Table of Contents
- Compliance Statements
- About This Manual
- Conventions
- Package Contents
- Product Information
- User Information
- Online Registration
- Telephone Support
- User Notice
- Contents
ATEN KH2508A-AX-G User Manual
Displayed below is the user manual for KH2508A-AX-G by ATEN which is a product in the KVM Switches category. This manual has pages.
Related Manuals
ATEN Altusen™
KH2508A / KH2516A
KVM Switch
User Manual
KH2508A / KH2516A User Manual
ii
Compliance Statements
FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE
STATEMENT
This equipment has been tested and found to comply with the limits for a Class
A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
The device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC Caution
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate this equipment.
Warning
Operation of this equipment in a residential environment could cause radio
interference.
Achtung
Der Gebrauch dieses Geräts in Wohnumgebung kann Funkstörungen
verursachen.
Suggestion
Shielded twisted pair (STP) cables must be used with the unit to ensure
compliance with FCC & CE standards.
KCC Statement
KH2508A / KH2516A User Manual
iii
Industry Canada Statement
This Class A digital apparatus complies with Canadian ICES-003.
RoHS
This product is RoHS compliant.
KH2508A / KH2516A User Manual
iv
About This Manual
This User Manual is provided to help you get the most from your KH2508A /
KH2516A system. It covers all aspects of installation, configuration and
operation. An overview of the information found in the manual is provided
below.
Chapter 1, Introduction, introduces you to the KH2508A / KH2516A
system. Its purpose, features and benefits are presented, and its front and back
panel components are described.
Chapter 2, Hardware Setup, describes how to set up your installation. The
necessary steps – from a basic single stage hookup to a complete daisy-chained
operation are provided.
Chapter 3, Basic Operation, explains the fundamental concepts involved
in operating the KH2508A / KH2516A.
Chapter 4, OSD Operation, provides a complete description of the
KH2508A / KH2516A's OSD (On Screen Display), and how to work with it.
Chapter 5, Hotkey Operation, details all of the concepts and procedures
involved in the keyboard hotkey operation of your KH2508A / KH2516A
installation.
Chapter 6, Keyboard Emulation, provides tables that list the PC to Mac
and PC to Sun keyboard emulation mappings.
Chapter 7, The Firmware Upgrade Utility, explains how to upgrade the
KH2508A / KH2516A's firmware with the latest available versions.
An Appendix, provides specifications and other technical information
regarding the KH2508A / KH2516A.
KH2508A / KH2516A User Manual
v
Conventions
This manual uses the following conventions:
Monospaced Indicates text that you should key in.
[ ] Indicates keys you should press. For example, [Enter]
means to press the Enter key. If keys need to be chorded,
they appear together in the same bracket with a plus sign
between them: [Ctrl+Alt].
1. Numbered lists represent procedures with sequential steps.
♦Bullet lists provide information, but do not involve sequential
steps.
>Indicates selecting the option (on a menu or dialog box, for
example), that comes next. For example, Start > Run means
to open the Start menu, and then select Run.
Indicates critical information.
KH2508A / KH2516A User Manual
vi
Package Contents
The KH2508A / KH2516A package consists of:
1 KH2508A or KH2516A Cat 5 High-Density KVM Switch
1 firmware upgrade cable
1 power cord
1 rack mount kit
1 foot pad set (4 pcs)
1 user instructions*
Check to make sure that all of the components are present and in good order.
If anything is missing, or was damaged in shipping, contact your dealer.
Read this manual thoroughly and follow the installation and operation
procedures carefully to prevent any damage to the switch or to any other
devices on the KH2508A / KH2516A installation.
*Features may have been added to the KH2508A / KH2516A since this
manual was published. Please visit our web site to download the most up-to-
date version of the manual.
KH2508A / KH2516A User Manual
vii
Product Information
For information about all ATEN products and how they can help you connect
without limits, visit ATEN on the Web or contact an ATEN Authorized
Reseller. Visit ATEN on the Web for a list of locations and telephone numbers:
User Information
Online Registration
Be sure to register your product at our online support center:
Telephone Support
For telephone support, call this number:
International http://www.aten.com
North America http://www.aten-usa.com
International http://eservice.aten.com
International 886-2-8692-6959
China 86-400-810-0-810
Japan 81-3-5615-5811
Korea 82-2-467-6789
North America 1-888-999-ATEN ext 4988
1-949-428-1111
KH2508A / KH2516A User Manual
viii
User Notice
All information, documentation, and specifications contained in this manual
are subject to change without prior notification by the manufacturer. The
manufacturer makes no representations or warranties, either expressed or
implied, with respect to the contents hereof and specifically disclaims any
warranties as to merchantability or fitness for any particular purpose. Any of
the manufacturer's software described in this manual is sold or licensed as is.
Should the programs prove defective following their purchase, the buyer (and
not the manufacturer, its distributor, or its dealer), assumes the entire cost of all
necessary servicing, repair and any incidental or consequential damages
resulting from any defect in the software.
The manufacturer of this system is not responsible for any radio and/or TV
interference caused by unauthorized modifications to this device. It is the
responsibility of the user to correct such interference.
The manufacturer is not responsible for any damage incurred in the operation
of this system if the correct operational voltage setting was not selected prior
to operation. PLEASE VERIFY THAT THE VOLTAGE SETTING IS
CORRECT BEFORE USE.
KH2508A / KH2516A User Manual
ix
Contents
Compliance Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Package Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Product Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Online Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Telephone Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
User Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viii
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Chapter 1.
Introduction
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Consoles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Computers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
KVM Adapter Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operating Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
KH2508A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
KH2516A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Rear View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
KH2508A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
KH2516A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 2.
Hardware Setup
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Before you Begin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Stacking and Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Stacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Single Station Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Daisy Chaining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Chapter 3.
Basic Operation
Port Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
OSD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Hotkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Hot Plugging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
KH2508A / KH2516A User Manual
x
Hot Plugging Stations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Hot Plugging KVM Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Hot Plugging Console Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Powering Off and Restarting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Port ID Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 4.
OSD Operation
OSD Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
OSD Hotkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
OSD Login. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Manufacturing Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
OSD Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
OSD Main Screen Headings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
OSD Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
F1: GOTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
F2: LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
F3: SET. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
F4: ADM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
F5: SKP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
F6: BRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
F7: SCAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
F8: LOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Chapter 5.
Hotkey Operation
Hotkey Port Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Invoking Hotkey Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Number Lock and Minus Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Control and F12 Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Hotkey Mode Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Exiting Hotkey Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Selecting the Active Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Auto Scan Mode Switching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Setting the Scan Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Invoking Auto Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Exiting Auto Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Skip Mode Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Entering Skip Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Exiting Skip Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Computer Keyboard / Mouse Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Setting the Hotkey Beeper ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Setting the Hotkey key combination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Setting the OSD Hotkey combination . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Setting the Port Operating System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Restore the Default Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Hotkey Summary Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
KH2508A / KH2516A User Manual
xi
Chapter 6.
Keyboard Emulation
Mac Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Sun Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chapter 7.
The Firmware Upgrade Utility
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Performing the Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Starting the Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Upgrade Succeeded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Upgrade Failed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Firmware Upgrade Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Main Board and OSD Firmware Upgrade Recovery . . . . . . . . . . .57
Adapter Cable Firmware Upgrade Recovery. . . . . . . . . . . . . . . . .58
OSD Configuration Backup/Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Appendix
Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Consignes de sécurité. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Général . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Montage sur bâti . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
International. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
North America . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Connection Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
KH2508A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
KH2516A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Compatible Products. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
OSD Factory Default Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Administrator Login Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
KH2508A / KH2516A User Manual
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This Page Intentionally Left Blank
1
Chapter 1
Introduction
Overview
The KH2508A and KH2516A KVM switches are control units that allows IT
administrators to access and control multiple computers from two PS/2 or USB
KVM consoles (2 bus). Operators working at up to two consoles can
independently and simultaneously take control of up to 8 (KH2508A), or 16
(KH2516A) computers. By daisy chaining up to 15 additional switches, as
many as 256 computers can be controlled from the original KVM consoles.
These switches have been designed with unique and powerful features that
enable administrators to manage their entire server room and data center
devices easily and conveniently.
For example, the advanced Adapter ID feature stores the Adapter Cable's
configuration information - such as its ID, port name, OS, keyboard language,
etc. This feature allows administrators to relocate servers to different ports
without having to reconfigure the adapters . Other advances found with these
switches includes enhanced video quality - extending the distance to the
servers to up to 50 m* at a resolution of 1280 x 1024.
Compact, high-density, RJ-45 connectors and CAT 5e/6 cable make for a
compact, efficient, wiring configuration, while the use of PS/2 and USB KVM
Adapter Cables to link to the computers, permits any combination of PCs,
Macs, Sun computers, and serial devices to coexist on the installation.
Setting up the KH2508A / KH2516A is fast and easy – plugging cables into
their appropriate ports is all that is entailed. Because the KH2508A / KH2516A
intercepts keyboard and mouse input directly, there is no software to configure
and no complex installation routines.
Access to any computer on the installation is easily accomplished – either by
pressing front panel port selection pushbuttons; entering hotkey combinations
from the keyboard; or by means of a powerful OSD (On Screen Display) menu
system. A convenient Auto Scan function also permits automatic scanning and
one-by-one monitoring of the activities of selected computers.
Your KH2508A / KH2516A investment is protected through firmware
upgrades. You can download firmware update files from our website, and use
the Firmware Upgrade function to quickly and conveniently install them.
KH2508A / KH2516A User Manual
2
A KH2508A or KH2516A installation provides one of the best, and most
economical, solutions ATEN offers to the SMB market. There is no better way
to save time, space, and money than with a KH2508A or KH2516A KVM
switch.
Note: With KVM Adapter Cable KA7000 series. Please see KVM Adapter
Cables, page 5, for details.
Chapter 1. Introduction
3
Features
Two KVM consoles independently and simultaneously control up to 8 or
16 directly connected computers
Space-Saving RJ-45 connectors and Cat 5e/6 cabling
By daisy chaining up to 15 additional KH2508A / KH2516A switches, as
many as 256 computers can be controlled from the original KVM consoles
Console conversion – any type of KVM console can control any type of
computer; mixed combinations (PS/2&USB) supported on both the KVM
console and computer sides
Superior Video Quality – Supports video resolutions up to 1920 x 1200 @
60 Hz up to 30 meters, 1600 x 1200 @ 60 Hz up to 40 meters, and 1280 x
1024 @ 75 Hz up to 50 meters*
Configure port access rights for users on a port-by-port basis
Diversified port operation mode enables flexible computer management –
Occupy, Exclusive and share modes
Three port selection methods – Manual (via front panel pushbuttons),
Hotkey, and multi-language OSD (On Screen Display)
Multiplatform support – PC, Mac, Sun, and serial
Multiple User Accounts – Supports up to 10 user and 1 administrator
accounts
Two-Level Password Security – Supports one administrator and ten user
profiles. Strong password Password protection prevents unauthorized
accessing to the installation
Auto Scan mode enables continuous monitoring of user-selected
computers
Broadcast Mode sends commands from the console to all computers –
allowing you to perform operations (such as software installation,
upgrades, shutdowns, etc.), on them simultaneously
Adapter ID
Firmware Upgradeable
Note: With the KVM adapter cable KA7000 series. Please see KVM Adapter
Cables, page 5, for details.
KH2508A / KH2516A User Manual
4
Requirements
Consoles
A VGA, SVGA, or multisync monitor capable of the highest resolution
that you will be using on any computer in the installation
A PS/2 or USB mouse
A PS/2 or USB keyboard
Computers
The following equipment must be installed on the computers that connect to the
KH2508A or KH2516A KVM ports:
A VGA, SVGA or multisync port
A USB Type-A port and USB host controller (for USB KVM adapter
cable connection, see following section)
- or -
6-pin Mini-DIN keyboard and mouse ports (for PS/2 KVM adapter cable
connection, see following section)
Chapter 1. Introduction
5
KVM Adapter Cables
Cat 5e/6 cable is required to connect the KH2508A / KH2516A to one of the
KVM adapter cables.
The following KVM adapter cables are required for use with the KH2508A /
KH2516A:
Note: 1. KVM adapter cables are referred to as I/O Modules in some dialog boxes.
2. The following cable models support the Adapter Cable ID function:
KA7166 / KA7168 / KA7169 / KA7920 / KA7970 / KA7520 / KA7570
/ KA7120 / KA7170 / KA7130
Operating Systems
Supported operating systems are shown in the table below:
1
Does not support USB.
2
Kernels below 2.6 do not support USB 2.0
Function Module
Connect to devices with PS/2 ports KA7920 / KA7520 / KA7120
KA9520 / KA9120
Connect to devices with USB ports KA7166 / KA7168 / KA7169
KA7970 / KA7570 / KA7170
KA9570 / KA9170
Connect to Sun Legacy systems (with 13W3 port) KA9130 / KA7130
Connect to Sun USB systems KA9170 / KA7170
Connect to serial based devices KA9140
OS Version
Windows NT
1
, 2000, XP, 2003 Server, 2008 Server, Vista
Linux
2
RedHat 9.0, Fedora or later, RHEL AS 4, RHEL 5
SuSE 10 or later, OpenSUSE 10.2; SLES 10 SP1
Debian 3.1, 4.0
Ubuntu 7.04, 7.10
UNIX IBM AIX4.3, 5L (V5.2,V5.3), V6 (V6.1)
FreeBSD 5.5, 6.1, 6.2
Novell Netware 5.0 or later
Sun Solaris 8, 9, 10
Mac 9.0, 9.1, 10.1, 10.2, 10.3, 10.4 , 10.5
DOS 6.2 or later
1
KH2508A / KH2516A User Manual
6
Components
Front View
KH2508A
KH2516A
No. Component Description
1 port selection
pushbuttons
Press a pushbutton to give the KVM focus to the computer
attached to its corresponding port.
Simultaneously pressing pushbuttons 1 and 2 for 3 seconds
performs a keyboard and mouse reset.
Simultaneously pressing pushbuttons 7 and 8 of the
KH2508
A
or pushbuttons 15 and 16 of the KH2516
A
starts
Auto Scan mode (see F7: SCAN, page 36, for auto scan
details).
543 6
1&2
78
543 6
1&2
78
Chapter 1. Introduction
7
2 port LEDs The port LEDs are built into the port selection pushbuttons. The
left ones are the On Line LEDs; the right ones are the Selected
Port LEDs:
An On Line LED lights green to indicate that the computer
attached to its corresponding port is up and running. A
flashing LED indicates that the port is being used for
cascading to another switch.
A Selected LED lights orange to indicate that the computer
attached to its corresponding port is the one that has the
KVM focus. The LED is steady under normal conditions, but
flashes when its port is accessed under Auto Scan mode
(see F7: SCAN, page 36, for auto scan details).
3 reset button Pressing this button in performs a system reset.
Note: The switch is recessed and must be pushed with a small
object, such as the end of a paper clip, or a ballpoint pen.
4 console
selection
pushbuttons
Press a pushbutton to select a console for manual port
selection. When you press one of the manual port selection
pushbuttons the selected console will be connected to that port.
The LED next to the pushbutton indicates which console is
selected.
5 firmware
upgrade
recovery
switch
During normal operation and while performing a firmware
upgrade, this switch should be in the NORMAL position. If a
firmware upgrade operation does not complete successfully,
this switch is used to perform a firmware upgrade recovery.
See Firmware Upgrade Recovery, page 57 for details.
6 firmware
upgrade port
The firmware upgrade cable that transfers the firmware
upgrade data from the administrator's computer to the
KH2508A / KH2516A (see page 51), plugs into this RJ-11
connector.
7 power LED Lights to indicate that the KH2508A / KH2516A is powered and
ready to operate.
8 station ID
LED
The KH2508A / KH2516A's station ID is displayed here. If this is
a single station installation (see page 12), or the first station on
a daisy chained installation (see page 15), the KH2508A /
KH2516A has a station ID of 01.
On a daisy chained installation, the KH2508A / KH2516A auto-
senses its position and displays the station ID that corresponds
to its place in the chain. (see Port ID Numbering, page 21, for
details).
No. Component Description
KH2508A / KH2516A User Manual
8
Rear View
KH2508A
KH2516A
No. Component Description
1 power socket The power cord to the AC source plugs in here.
2 power switch This is a standard rocker switch that powers the KH2508A /
KH2516A on and off.
3 daisy chain
ports
When daisy chaining units (see KVM Adapter Cable
Installation Diagrams cont., page 15), the daisy chain cables
plug in here. The port on the left is the Chain In port; the port
on the right is the Chain Out port.
4 grounding
terminal
The wire used to ground the unit connects here.
5 console 1
ports
The KH2508A / KH2516A supports two independent
consoles. If this is a single station installation, or if this is the
first station of a daisy chained installation, the keyboard,
monitor, and mouse that make up local console 1 plug into
section no. 5 and local console 2 plugs into section no. 6. You
can use any combination of PS/2 and USB keyboards and
mice for the console.
6 console 2
ports
7 KVM port
section
The Cat 5e/6 cables that link to the KVM adapter cables
(which link to the computers) plug in here.
12
745 6
3
12
745 6
3
9
Chapter 2
Hardware Setup
Overview
For convenience and flexibility that allows mixing the PS/2, USB and serial
interfaces, the KH2508A / KH2516A’s design utilizes KVM adapter cables
that serve as intermediaries between the KVM switch and the connected
devices:
A separate KVM adapter cable is required for each computer or device
connection. The KVM adapter cables are listed in the KVM Adapter Cables
section on page 5. Consult your dealer to find out which KVM adapter cables
best fit your needs.
Before you Begin
1. Important safety information regard
ing the placement of this
device is provided on page 61. Please review it before proceeding.
2.
Make sure that the power to any device that you connect to the
installation has been turned off. You m
ust unplug the power cords
of any computers that have the Keyboard Power On function.
KH2508A / KH2516A User Manual
10
Stacking and Rack Mounting
The KH2508A / KH2516A can be stacked on the desktop or rack mounted at
the front or rear of the rack. The following sections take you through the
procedures for each method.
Note: 1. Allow at least 5.1 cm on each side for adequate ventilation and
12.7 cm at the rear for power cord and cable clearance.
2. The standard rack mount kit does not include rack mount screws or
cage nuts. If you need additional rack mount screws or cage nuts,
contact your rack dealer.
Stacking
The KH2508A / KH2516A can be placed on any appropriate level surface that
can safely support its weight plus the weight of its attached cables. To place the
KH2508A / KH2516A, or to stack units if you are daisy chaining them, remove
the backing material from the bottom of the rubber feet that came with this
package, and stick them onto the switch’s bottom panel at the corners, as
shown in the diagram, below:
Chapter 2. Hardware Setup
11
Rack Mounting
The KH2508A / KH2516A can be mounted in a 19” (1U) rack. The mounting
brackets can screw into either the front or the back of the unit so that it can
attach to the front or the back of the rack. To rack mount the unit:
1. Remove the screws at the front or the rear, as shown in the diagram below.
2. Screw the mounting brackets into the sides of the unit at the front or the
rear, as shown in the diagram below.
3. Slide the unit into the front or rear of the rack and secure it to the rack.
Philips hex head
M3x6
Philips hex head
M3x6
Philips hex head
M3x8
Philips hex head
M3x8
KH2508A / KH2516A User Manual
12
Single Station Installation
In a single stage installation, there are no additional KVM switches daisy
chained down from the KH2508A / KH2516A. To set up a single stage
installation, refer to the installation diagrams starting on page 13 (the numbers
in the diagram correspond with the numbers of the instruction steps), and do
the following:
1. Ground the KH2508A / KH2516A by connecting one end of a grounding
wire to the grounding terminal, and the other end of the wire to a suitable
grounded object.
Note: Do not omit this step. Proper grounding helps to prevent damage to
the unit from power surges or static electricity.
2. Plug the console keyboards, monitors, and mice into the unit’s console 1
and console 2 console ports. The ports are color coded and marked with
icons for easy identification.
Note: You can use any combination of keyboard and mouse connections.
For example, you can use a PS/2 keyboard with a USB mouse.
3. Use Cat 5e/6 cable to connect any available KVM port to a KVM adapter
cable that is appropriate for the computer you are installing (see KVM
Adapter Cables, page 5 for details).
Note: To support a resolution of 1280x1024, the recommended maximum
distance between the KH2508A / KH2516A and the KVM adapter
cable is 50 meters.
4. Connect the KVM adapter cable to the computer.
Plug the connectors on the KVM adapter cable into the appropriate ports
of the computer you are installing. (See KVM Adapter Cable Installation
Diagrams, page 14 for connection examples.)
5. Plug the female end of the power cord into the KH2508A / KH2516A's
power socket; plug the male end into an AC power source.
After the KH2508A / KH2516A is cabled up, you can turn on the power. After
it is powered up, you can turn on the servers.
Chapter 2. Hardware Setup
13
Single Stage Installation Diagram
5
4
3
1
2
3
by ATEN
PS/2 CPU MODULE
MODEL NO. KA9120
PS/2 CPU MODULE
MODEL NO. KA9120
LINK
2
KH2508A / KH2516A User Manual
14
KVM Adapter Cable Installation Diagrams
KA7120
KA7520
KA7920
KA9120
KA9520
by ATEN
LINK
KA7170
KA7570
KA7970
KA9170
KA9570
by ATEN
LINK
KA9140
SERIAL TERMINAL
KA7130
KA9130
by ATEN
LINK
Chapter 2. Hardware Setup
15
KVM Adapter Cable Installation Diagrams cont.
KA7166
KA716
8
KA716
9
KH2508A / KH2516A User Manual
16
Daisy Chaining
To control even more computers, up to 15 additional KH2508A / KH2516A
KVM switches can be daisy chained from the original KH2508A or KH2516A.
As many as 256 computers can be controlled from a single console in a
complete installation.
Note: A single console KVM switch can not be installed on a KH2508A/
KH2516A daisy chain.
Tables showing the relation between the number of computers and the number
of KH2508A / KH2516A units needed to control them are provided on
page 69.
To set up a daisy chained installation, do the following:
1. Use a daisy chain cable set to connect the chain out port of the first station
KH2508A / KH2516A unit to the chain in port of the chained station
KH2508A / KH2516A unit (first station out to second station in, second
station out to third station in, etc.).
Note: 1. You cannot use the chain in port of the first station, since it is the
highest level first station.
2. Daisy chain cable sets require a separate purchase. See your
dealer for details.
2. Cable up the computers and the switch according to the information
provided under Single Station Installation, page 12.
3. Repeat the above for any other switches you want to add to the chain.
4. Power up the installation according to the following procedure:
a) Plug in the power cord for the first station. Wait for the unit to ascertain
its station ID and display it on the Station ID LED. (The station ID for
the first stage unit is 01, the ID for the second stage unit is 02, the ID for
the third stage unit is 03, etc.)
b) Power on each station on the installation in turn (second station, then
third station, etc.). In each case, wait for the station ID to be ascertained
and displayed before powering on the next station.
c) After all the stations are up, power on the computers.
Note: A chained KVM switch with active console ports is not supported
since the channel is occupied by the first station KVM switch.
Chapter 2. Hardware Setup
17
When installing more than one KVM switches:
The maximum distance between the KH2508A / KH2516A and the last
switch in the daisy chain cannot exceed 100 meters, regardless of the
number of switches in the daisy chain.
The maximum distance between any two KVM switches in the daisy chain
cannot exceed 15 meters.
Daisy Chain Installation Diagram
KH2508A / KH2516A User Manual
18
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19
Chapter 3
Basic Operation
Port Selection
KH2508A / KH2516A installations provide three methods to obtain instant
access to any computer on your installation: Manual, OSD (on-screen display),
and Hotkey.
Manual
Manual port selection simply involves pressing the port selection switch that
corresponds to the device you wish to access.
Note: Before making your port selection, first make your console selection by
pressing the appropriate console selection button.
OSD
The OSD provides a menu driven interface to the computer switching
procedure. OSD operation is discussed in the next chapter.
Hotkey
Hotkeys allow you to conveniently provide KVM focus to a particular
computer from the keyboard instead of having to manually select them by
pressing port selection switches, or accessing the OSD. Keyboard operation is
discussed in Chapter 5.
KH2508A / KH2516A User Manual
20
Hot Plugging
The KH2508A / KH2516A supports hot plugging – components can be
removed and added back into the installation by unplugging and replugging
their cables without the need to shut the unit down. In order for hot plugging to
work properly, however, the procedures described below should be followed.
Hot Plugging Stations
You can switch station positions by simply unplugging from the old parent and
plugging into a new one. After you do, in order for the OSD menus to
correspond to the change, you should reset the OSD. See RESET STATION
IDS, page 32, for details.
Hot Plugging KVM Ports
After switching KVM ports, in order for the OSD menus to correspond to the
change, you may need to reconfigure the OSD information for the new port
information. The settings of the port name, operating system, and keyboard
language will be restored to the KVM switch from any previously used adapter
cables after they are plugged in. See F3: SET, page 28, and the port setting
selections under the F4 ADM function, page 31, for details.
Note: 1. If a computer’s operating system doesn’t support hot plugging, this
function may not work properly.
2. Empty ports that previously were connected to an adapter cable will
retain their prior configuration data.
Hot Plugging Console Ports
The keyboard, monitor, and mouse can be hot plugged. When hot plugging the
mouse, however, be aware of the following:
If you unplug the mouse (to reset the mouse, for example), you must use
the same mouse when you plug back in.
If you plug in a different mouse, all stations and computers on the
installation should be shut down for 10 seconds, then restarted following
the sequence given under Powering Off and Restarting on page 21.
Some older operating systems may not support hot plugging.
Note: If, after hot plugging (or at any other time), there is no response to
keyboard and/or mouse input, perform a keyboard and mouse reset
by pressing in the Reset switch (see page 7).
Chapter 3. Basic Operation
21
Powering Off and Restarting
If it becomes necessary to power off the KH2508A / KH2516A, or if the switch
loses power and needs to be restarted, before starting it back up it is suggested
that you follow these procedures to prevent possible equipment issues:
1. Shut down all the computers that are attached to the switch.
Note: You must unplug the power cords of any computers that have the
Keyboard Power On function.
2. Wait 10 seconds then power it back on. If you have shut down more than
one station, power up the highest station first and work your way down to
the lowest one. Wait for each station to display its station ID on the front
panel LED before powering on the next one.
3. After the station(s) is (are) up, power the computers back on.
Port ID Numbering
Each computer on the installation is assigned a unique port ID. The port ID is
a one or two segment number that is determined by the stage level and port
number of the switch that the computer is connected to.
The first segment represents the stage level of the switch (04, for example); the
second segment represents the number of the port that the computer is plugged
into.
For example, a computer that is connected to KVM port 3 of a switch that is in
the 12th position of the daisy chain, would have a port ID of 12-03.
Note: Single digit numbers (1–9) are padded with a preceding zero (0).
KH2508A / KH2516A User Manual
22
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23
Chapter 4
OSD Operation
OSD Overview
The On Screen Display (OSD) is a menu driven method to handle computer
control and switching operations. All procedures start from the OSD Main
Screen. To display the Main Screen, tap the OSD hotkey twice.
OSD Hotkey
The default hotkey is [Scroll Lock]. You can change the hotkey to the [Ctrl]
key or the [Alt] key if you like (see OSD HOTKEY, page 28).
Note: 1. If you use the [Ctrl] or [Alt] key method you must press the same
[Ctrl] or [Alt] key both times.
2. Once you start the OSD, the keyboard lock will be controlled by the
device. The number lock and caps lock will always be on when the
OSD is being accessed.
OSD Login
The OSD incorporates a two level (administrator / user) password system.
Before the OSD main screen displays, a login screen appears requiring a
username and a password.
If this is the first time you are using the OSD, enter the default administrator
username and password (administrator and password, respectively). The OSD
main screen will display under administrator mode. In this mode, you have
administrator privileges, with access to all administrator and user functions,
and can set up operations.
KH2508A / KH2516A User Manual
24
When you start the OSD, a screen similar to the one below appears:
Note: 1. The image above is the Administrator's Main Screen. The User Main
Screen does not show the F4 and F6 functions, since these are
reserved for the administrator and cannot be accessed by users
without administrator privileges.
2. Only the ports that have been set accessible by the Administrator, for
the currently logged in user, are visible (see SET ACCESSIBLE
PORTS, page 31, for details).
Manufacturing Number
The “MFG Number” (Manufacturing Number) is an internal serial number
used by ATEN’s factory and technical support staff to identify products. This
number does not affect products’ warranty. If your product requires after-sales
services, you may provide the MFG Number to ATEN’s sales or technical
support staff to identify the product and model number.
Chapter 4. OSD Operation
25
OSD Navigation
To dismiss the menu, and deactivate the OSD, click the X at the upper
right corner of the OSD Window or press Esc.
To Logout click F8 or the
Z
Z
Z
symbol at the top of the Main Screen, or
press [F8].
The OSD uses a tree view. To see the ports for a particular station, click
the plus sign [
+
] in front of the station number. The port number list
drops down. To retract the list, click the dash symbol [
-
] in front of the
station number.
To move up or down through the list one line at a time, click the up and
down triangle symbols (ST
)
or use the up and down arrow keys. If there
are more list entries than there is room for on the Main Screen, the screen
will scroll.
To move up or down through the list one screen at a time, click the up and
down arrow symbols (), or use the [Pg Up] and [Pg Dn] keys. If there
are more list entries than there is room for on the Main Screen, the screen
will scroll.
To bring the KVM focus to a port, double-click it, or move the highlight
bar to it and then press [Enter].
After executing any action, you automatically go back to the menu one
level above.
OSD Main Screen Headings
Heading Explanation
SN-PN This column lists the port ID numbers (station number-port number) for
all the KVM ports on the installation. The simplest method to access a
particular computer is to click it, or move the highlight bar to it, and then
press [Enter].
QV If a port has been selected for Quick View scanning (see SET QUICK
VIEW PORTS, page 30), an arrowhead displays in this column.
The computers that are powered on and are online have a sun symbol
in this column.
NAME If a port has been given a name (see EDIT PORT NAMES, page 32), its
name appears in this column.
KH2508A / KH2516A User Manual
26
OSD Functions
OSD functions are used to configure and control the OSD. For example, you
can rapidly switch to any port, scan selected ports only, limit the list you wish
to view, designate a port as a Quick View Port, create or edit a port name, or
make OSD setting adjustments.
To access an OSD function:
1. Either click a function key field at the top of the Main Screen, or press a
function key on the keyboard.
2. In the submenus that appear make your choice either by double clicking it,
or moving the highlight bar to it, and then pressing [Enter].
3. Press [Esc] to return to the previous menu level.
F1: GOTO
Accessing the GOTO function allows you to switch directly to a port either by
keying in the port's name or its port ID.
To use the Name method, key in 1, key in the port's name, and then press
[Enter].
To use the Port ID method, key in 2, key in the port ID, and then press
[Enter].
Note: You can key in a partial name or port ID. The screen will show all the
computers that the user has View rights to (see SET ACCESSIBLE
PORTS, page 31), that match the name or port ID pattern, regardless of
the current List settings (see F2: LIST, page 27, for details).
To return to the OSD Main Menu without making a choice, press [Esc].
Chapter 4. OSD Operation
27
F2: LIST
Many of the switch’s OSD functions only operate on the computers currently
selected for listing on the Main Screen. Accessing this function lets you
broaden or narrow the scope of ports that get listed. The submenu choices and
their meanings are given in the table below:
Move the highlight bar to the choice you want, then press [Enter]. An icon
appears before the choice to indicate that it is the currently selected one.
Choice Meaning
ALL Lists all of the ports on the installation.
QUICK VIEW Lists only the ports that have been selected as Quick View Ports
(see SET QUICK VIEW PORTS, page 30).
POWERED ON Lists only the ports that have attached computers Powered On.
QUICK VIEW +
POWERED ON
Lists only the ports that have been selected as Quick View Ports
(see SET QUICK VIEW PORTS, page 30), and that have their
attached computers Powered On.
KH2508A / KH2516A User Manual
28
F3: SET
Accessing this function allows the administrator and each user to set up an
individual working environment. A separate profile for each operator is stored
by the OSD and is activated according to the username provided during login.
To change a setting:
1. Double-click it; or move the highlight bar to it, then press [Enter].
2. After you select an item, a submenu with further choices appears. To make
a selection, either double click it; or move the highlight bar to it, then press
[Enter]. An icon appears before the selected choice to indicate which one
it is. The settings are explained in the following table:
Setting Function
OSD
HOTKEY
Selects which hotkey activates the OSD function:
[Scroll Lock] [Scroll Lock]; [Ctrl] [Ctrl] or [Alt] [Alt].
Since the [Ctrl] or [Alt] key combinations may conflict with programs
running on the computers, the default is the [Scroll Lock] combination.
PORT ID
DISPLAY
POSITION
Allows you to position where the port ID appears on the monitor. The
default is the upper left corner, but you can choose to have it appear
anywhere on the screen.
Use the mouse or the arrow Keys plus Pg Up, Pg Dn, Home, End, and
5 (on the numeric keypad with Num Lock off), to position the port ID
display, then click or press [Enter] to lock the position and return to the
Set submenu.
Note: The setting affects the currently selected port. If you don’t want
to use the default position, you must change the setting for each port
individually.
PORT ID
DISPLAY
DURATION
Determines how long a port ID displays on the monitor after a port
change has taken place. There are two choices: 3 seconds and
Always On.
PORT ID
DISPLAY
MODE
Selects how the port ID is displayed: the port number alone (PORT
NUMBER); the port name alone (PORT NAME); or the port number
plus the port name (PORT NUMBER + PORT NAME). The default is
PORT NUMBER + PORT NAME.
SCAN
DURATION
Determines how long the focus dwells on each port as it cycles through
the selected ports in Auto Scan mode (see F7: SCAN, page 36). Key in
a value from 1–255 seconds, then press [Enter]. Default is 5 seconds.
Chapter 4. OSD Operation
29
SCAN/SKIP
MODE
Selects which computers will be accessed under Skip mode (see F5:
SKP, page 34), and Auto Scan mode (see F7: SCAN, page 36).
Choices are:
ALL
–
All the ports which have been set Accessible (see SET
ACCESSIBLE PORTS, page 31);
QUICK VIEW
–
Only those ports which have been set Accessible and
have been selected as Quick View Ports (see SET QUICK VIEW
PORTS, page 30);
POWERED ON
–
Only those ports which have been set Accessible
and are Powered On;
QUICK VIEW + POWERED ON
–
Only those ports which have been
set Accessible and have been selected as Quick View Ports and are
Powered On. The default is ALL.
SCREEN
BLANKER
If there is no input from the console for the amount of time set with this
function, the screen is blanked. Key in a value from 1–30 minutes, then
press [Enter]. A setting of 0 disables this function. The default is off
(disabled).
HOTKEY
COMMAND
MODE
Enables / Disables the Hotkey function (see Hotkey Operation,
page 39), in case a conflict with programs running on the computers
occurs. The default is On.
HOTKEY This setting selects the Hotkey invocation keys (see Hotkey Operation,
page 39). Choices are [NUM LOCK] + [-], or [CTRL] + [F12]. The
default is on as set by [NUM LOCK] + [-].
SET OSD
LANGUAGE
Sets the language that the OSD displays in. Choices are: English,
German, Japanese, Simplified Chinese and Traditional Chinese.The
default is English.
SET
CONSOLE
KEYBOARD
Sets the keyboard language mapping of the console keyboard. The
default is Auto. If the switch does not automatically receive language
mapping from the keyboard, it will set to English (US).
SET
LOGOUT
TIMEOUT
If there is no input from the console for the amount of time set with this
function, the operator is automatically logged out. A login is necessary
before the console can be used again.
This enables other operators to gain access to the computers when the
original operator is no longer accessing them, but has forgotten to log
out. To set the timeout value, key in a number from 1–180 minutes,
then press [Enter]. If the number is 0 (zero), this function is disabled.
Default is Off.
Note: This feature does not function if Set Login Mode is disabled. See
SET LOGIN MODE, page 33.
ACTIVATE
BEEPER
Choices are Y (for Yes), or N (for No). When activated, the beeper
sounds whenever a port is changed, when activating the Auto Scan
function (see F7: SCAN, page 36), or an invalid entry is made on an
OSD menu. The default is On.
Setting Function
KH2508A / KH2516A User Manual
30
SET QUICK
VIEW PORTS
This function lets users and the administrator select which ports to
include as Quick View ports.
To select/deselect a port as a Quick View Port, use the navigation
keys to move the highlight bar to it, then press the [Spacebar].
When a port has been selected as a Quick View Port, an arrowhead
displays in the QV column of the LIST on the Main Screen to
indicate so. When a port is deselected, the arrowhead disappears.
If one of the Quick View options is chosen for the LIST view (see F2:
LIST, page 27), only a port that has been selected here will display
on the List.
If one of the Quick View options is chosen for Auto Scanning (see
SCAN/SKIP MODE, page 29), only a port that has been selected
here will be Auto Scanned.
The default is for no ports to be selected.
Setting Function
Chapter 4. OSD Operation
31
F4: ADM
F4 is an administrator only function. Accessing this function allows the
administrator to configure and control the overall operation of the OSD. To
change a setting double click it; or use the up and down arrow keys to move the
highlight bar to it, then press [Enter].
After you select an item, a submenu with further choices appears. Double click
the choice you want, or move the highlight bar to it, then press [Enter]. An icon
appears before the selected choice. The settings are explained in the following
table:
Setting Function
SET USER
ACCOUNT
This function is used to set usernames and passwords for the
administrator and users:
One Administrator and 10 user passwords can be set.
After you select the administrator field or one of the user fields, a
screen that allows you to key in your username and password
appears. The username and password may be up to 16 characters
long, and can consist of any combination of letters and numbers (A–
Z, 0–9).
For each individual, key in the username and password, then press
[Enter].
To modify or delete a previous username and/or password, use the
backspace key to erase individual letters or numbers.
The icon indicates data is stored in the account.
SET
ACCESSIBLE
PORTS
This function allows the administrator to define user access to the
computers on the installation on a port-by-port basis.
For each user, select the target port, then press the [Spacebar] to cycle
through the choices: F (Full access), V (View Only), or N (No Access).
Repeat until all access rights have been set, then press [Esc]. The
default is F for all users on all ports.
Note: An N setting means that no access rights are granted. The port
will not show up on the user's LIST on the Main Screen.
SET
OPERATION
MODE
This function defines how the port is to be accessed when multiple
users have logged on. Press [Spacebar] to cycle through the settings,
as follows:
E (Exclusive): The first user to switch to the port has exclusive control
over the port. No other users can view the port. The Timeout function
does not apply to ports which have this setting.
O (Occupy): The first user to switch to the port has control over the
port. However, additional users may view the port’s video display. If
the user who controls the port is inactive for longer than the time set
in the Timeout box, port control is transferred to the next user to
move the mouse or strike the keyboard.
S (Share): Users simultaneously share control over the port. Input
from the users is placed in a queue and executed chronologically.
KH2508A / KH2516A User Manual
32
SET
OCCUPY
TIMEOUT
This function sets a time threshold for users on ports whose Operation
Mode has been set to Occupy (see SET OPERATION MODE,
page 31). If there is no activity from the user occupying the port for the
amount of time set here, the user is timed out and keyboard and
mouse control on the port is released, after which the first user to send
keyboard or mouse input will occupy the port. However, the user
originally connected to the port will still see the port’s video output.
Input a value from 1 to 255 seconds. The default is 30 seconds.
EDIT PORT
NAMES
To identify which computer is connected to a particular port, each port
can be assigned a name. This function allows the administrator to
create, modify, or delete port names. To assign a port name:
1. Click the port to be assigned, or use the navigation keys to move
the highlight bar to it, then press [Enter].
2. Key in the new port name; or modify/delete the old one. The maxi-
mum number of characters allowed for the port name is 14. Legal
characters include:
All alpha characters: A–Z
All numeric characters: 0–9
*You can enter the port names in either upper or lower case
however the OSD displays the port name only in UPPERCASE.
3. When you have finished editing, press [Enter] to have the change
take effect. To abort the change, press [Esc].
RESTORE
DEFAULT
VALUES
This function is used to undo all configuration changes and return to
the original factory default configuration (see OSD Factory Default
Settings, page 73)
–
except for the Names settings, assigned to the
ports, which are saved.
CLEAR THE
NAME LIST
This function clears the port name list.
RESET
STATION IDS
Use this function to reset the Station IDs when the IDs in the OSD do
not match the physical positions of the Stations in the chain. This can
be due to a new installation or a change in the station positions.
Note: Only the station numbers get updated. Except for the port
names, all administrator settings (such as Set Accessible Ports, Set
Quick View Ports, etc.), for all of the computers affected by the change,
have to be manually redone.
SET
OPERATING
SYSTEM
Specifies the operating platform of the computer attached to each port.
You must configure each port of the installation. For each port, press
the [Spacebar] to cycle through the choices (PC, Mac, or Sun). Repeat
until all the ports have been set, then press [Esc]. The default is PC.
Note: If you are installing a Sun or Mac computer it may not boot when
you run it for the first time unless you first set the correct operating
system for the port it is connected to.
Setting Function
Chapter 4. OSD Operation
33
SET CAT 5
LENGTH
Lets you specify how long the Cat 5e/6 cable between the port and the
KVM adapter cable is. Press [Spacebar] to cycle through the cable
length settings:
S: Short – for up to 25 m
M: Medium – for between 20 and 35 m
L: Long – for above 35 m
An S, M, or L appears next to the port to indicate the choice.
SET
KEYBOARD
LANGUAGE
Sets the keyboard language layout for the computers attached to each
port. Press [Spacebar] to cycle through the language choices. The
default keyboard language layout is English (US).
FIRMWARE
UPGRADE
In order to upgrade the KH2508A / KH2516A’s and adapter cables
firmware (see The Firmware Upgrade Utility, page 51) you must first
enable Firmware Upgrade mode with this setting.
When you bring up this menu, the current firmware version levels
display. Select Y to enable Firmware Upgrade mode, or N to leave this
menu without enabling it.
SET LOGIN
MODE
This function allows the administrator to request users to login or not.
When the login dialog box is disabled, the system disables the login/
logout function. If the system is re-started, the login/logout function
remains disabled. Select Y to require users to login/logout of the
system. Select N to disable the login/logout function.
OSD CONF
BACKUP/
RESTORE
This option lets you backup the current OSD configuration of the
KH2508A / KH2516A, and restore it when necessary. Storing the OSD
configuration settings is useful when deploying more than one
installation that uses the same settings. For more information see OSD
Configuration Backup/Restore, page 59.
MFG The MFG number is an internal serial number used by ATEN’s factory
and technical support staff to identify products. This number does not
affect products’ warranty. If your product requires after-sales services,
you may provide the MFG Number to ATEN’s sales or technical
support staff to identify the product and model number.
SET VIDEO
HV MODE
This setting selects the video mode (separate or composite video sync
signals) the port(s) (internal/external) is using. Press [Enter] to enter
this setting and see a list of ports. In the list, the “Mode” column will
display the video mode choices, these are:
S Separate (default)
C Composite
Use the [Spacebar] to cycle through the choices, and the change is
saved every time you press the [Spacebar]. The supported
adapters are as follows: KA7170, KA7166, KA7168, KA7169, and
KA7570.
Note: Some old adapters may not support HV mode and the “Mode”
column will still display the video mode choices. You can still press
[Spacebar] to cycle through the choices, but it makes no effect.
Setting Function
KH2508A / KH2516A User Manual
34
F5: SKP
This function enables you to easily skip backward or forward, switching the
console focus from the currently active KVM Port to the previous or next
available one.
The selection of computers to be available for Skip mode switching is
made with the Scan/Skip mode setting under the F3 SET function
(see page 29).
When you are in Skip mode, press:
Note: When you skip, you only skip to the previous or next available
computer that is in the Scan/Skip mode selection (see page 29).
If a port has been selected for Scan/Skip mode, when the focus switches to
that port a left/right triangle symbol appears before its port ID display.
While Skip mode is in effect, the console will not function normally. You
must exit Skip mode in order to regain control of the console.
To exit Skip mode, press the [Spacebar] or [Esc].
←To skip to the previous port in the List.
→To skip to the next port in the List.
↑To skip to the last port of the previous station in the List.
↓To skip to the first port of the next station in the List.
Chapter 4. OSD Operation
35
F6: BRC
F6 is an administrator only function. When this function is in effect, commands
sent from the console are broadcast to all available computers on the
installation.
This function is particularly useful for operations that need to be performed on
multiple computers, such as performing a system wide shutdown, installing or
upgrading software, etc.
While BRC mode is in effect, a speaker symbol appears before the port ID
display of the port that currently has the console focus.
While BRC mode is in effect, the mouse will not function normally. You
must exit BRC mode in order to regain control of the mouse.
To exit BRC mode, start the OSD (with the OSD Hotkey), then click the
F6 field, or press [F6], to turn BRC mode off.
KH2508A / KH2516A User Manual
36
F7: SCAN
This function automatically switches among the available computers at regular
intervals so that you can monitor their activity without having to take the
trouble of switching manually.
The selection of computers to be included for Auto Scanning is made with
the Scan/Skip mode setting under the F3 SET function (see page 29).
The amount of time that each port displays for is set with the Scan
Duration setting under the F3 SET function (see page 28).
As each computer is accessed, an appears in front of the port ID
display to indicate that it is being accessed under Auto Scan mode.
While you are in Auto Scan mode, you can pause the scanning in order to
keep the focus on a particular computer either by pressing P, or with a left
click of the mouse. To resume scanning, press any key or left click again.
See Invoking Auto Scan, page 42, for details.
While Auto Scan mode is in effect, the console will not function normally.
You must exit Auto Scan mode in order to regain control of the console.
To exit Auto Scan mode, press the [Spacebar] or [Esc].
S
Chapter 4. OSD Operation
37
F8: LOUT
Clicking the F8 field, or pressing [F8], logs you out of the OSD and blanks the
console screen. This is different from simply deactivating the OSD when you
are at the Main Screen by pressing [Esc].
With this function you must log in all over again to regain access to the OSD,
whereas with [Esc], all you have to do to reenter the OSD is tap the OSD
Hotkey.
Note: 1. When you reenter the OSD after logging out, the screen stays blank
except for the login dialog box. You must input your username and
password before you can continue (see page 23). If login has been
disabled by the administrator (see page 33), the F8 function is also
disabled.
2. If you reenter the OSD after logging out, and immediately use [Esc]
to deactivate the OSD without having selected a port from the OSD
menu, a Null Port message displays on the screen. The OSD hotkey
will bring up the OSD Main Screen.
KH2508A / KH2516A User Manual
38
This Page Intentionally Left Blank
39
Chapter 5
Hotkey Operation
Hotkey Port Control
Hotkey port control allows you to provide KVM focus to a particular computer
directly from the keyboard. The KH2508A / KH2516A provides the following
Hotkey port control features:
Selecting the Active Port
Auto Scan Mode Switching
Skip Mode Switching
Computer Keyboard / Mouse Reset
The following settings can also be controlled in Hotkey mode:
Setting the Beeper
Setting the Quick Hotkey
Setting the OSD Hotkey
Setting the Port Operating System
Restoring the OSD Default Values
KH2508A / KH2516A User Manual
40
Invoking Hotkey Mode
All Hotkey operations begin by invoking Hotkey mode.
1
To invoke Hotkey
mode you may use two possible keystroke sequences shown below. Only one
of the two key-sequences below can be operational (see Setting the Hotkey key
combination on page 46):
Number Lock and Minus Keys
1. Hold down the
[Num Lock]
key;
2. Press and release the
[Minus]
key;
3. Release the
[Num Lock]
key:
[Num Lock] + [-]
Control and F12 Keys
1. Hold down the
[Ctrl]
key;
2. Press and release the
[F12]
key;
3. Release the
[Ctrl]
key:
[Ctrl] + [F12]
Hotkey Mode Environment
When Hotkey mode is active:
A command line appears on the monitor screen. The command line prompt
is the word Hotkey: in white text on a blue background, and displays the
subsequent Hotkey information that you key in.
Ordinary keyboard and mouse functions are suspended – only Hotkey
compliant keystrokes (described in the sections that follow), can be input.
Exiting Hotkey Mode
Pressing
[
Esc
]
exits Hotkey mode.
1. Make sure that the Hotkey Command Mode function is enabled and
that you key in the appropriate Hotkey. See page 28 for details.
Chapter 5. Hotkey Operation
41
Selecting the Active Port
Each computer port is assigned a port ID (see Port ID Numbering, page 21).
You can directly access any computer with a Hotkey combination that specifies
the port ID that the computer is connected to. The steps are:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Key in the port ID.
The port ID numbers display on the command line as you key them in. If
you make a mistake, use
[Backspace]
to erase it.
3. Press
[Enter].
After you press [Enter], the KVM focus switches to the designated
computer and you automatically exit Hotkey mode.
Note: In Hotkey mode, the KVM focus will not switch to a port if an
invalid switch or port number is entered. The Hotkey command line
will continue to display on the screen until you enter a valid switch
and port number combination, or exit Hotkey mode.
KH2508A / KH2516A User Manual
42
Auto Scan Mode Switching
Auto Scan automatically switches among all the active computer ports that are
accessible to the currently logged on user at regular intervals. This allows their
activity to be monitored automatically (See SKAN/SKIP MODE of the OSD F3
SET function, page 28).
Setting the Scan Interval
The amount of time Auto Scan keeps the focus on each port is set with the
SCAN DURATION setting of the OSD F3 SET function (see page 28). You can
change the scan interval, before you activate Hotkey Auto Scanning, by
entering the following Hotkey combination:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Key in
[A][n]
Where
[A]
is the letter A, and
[n]
is a number from 1–255 that
represents the length of the focus time in seconds.
The letter A and the numbers display on the command line as you key
them in. Use
[Backspace]
to erase any wrong entry.
3. Press
[Enter]
After you press [Enter], you exit Hotkey mode, and are ready to start Auto
Scanning.
Invoking Auto Scan
To invoke Auto Scanning mode, key in the following Hotkey combination:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[A] + [Enter]
.
While you are in Auto Scan mode, you can pause the scanning to keep
the focus on a particular computer by pressing
[P]
. When Auto
Scanning is paused, the Command Line displays: Auto Scan: Paused.
(Continues on next page.)
Chapter 5. Hotkey Operation
43
(Continued from previous page.)
When you want to keep the focus on a particular computer, Pausing is
more convenient than exiting Auto Scan mode. When you resume
scanning it starts at the computer where you paused. If you exited and
then restarted Auto Scanning, it starts, at the beginning, from the first
computer on the installation.
To resume Auto Scanning, press any key. Scanning continues from the
computer you paused at.
While the Auto Scan mode is operating, ordinary keyboard and mouse
functions are suspended - only Auto Scan mode compliant keystrokes
can be input. You must exit Auto Scan mode to regain normal control
of the console.
Exiting Auto Scan
1. To exit Auto Scan mode press
[Esc]
or
[Spacebar]
. Auto Scanning
stops when you exit Auto Scan mode.
KH2508A / KH2516A User Manual
44
Skip Mode Switching
This feature allows you to switch between computers in order to monitor them
manually. You can focus on a particular port for as long as you like – as
opposed to auto-scanning, which automatically switches the port focus after a
fixed interval.
Entering Skip Mode
To enter Skip mode, key in the following Hotkey combination:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press one of the
[Arrow]
keys.
After you press one of the keyboard arrows, you automatically exit Hotkey
mode and enter Skip mode where you can switch ports as follows:
Once you are in Skip mode, you can continue skipping by pressing the
arrow keys. You do not have to use the [Num Lock] + [-] combination
again.
While Skip mode is in effect, ordinary keyboard and mouse functions are
suspended – only Skip mode compliant keystrokes can be input. You must
exit Skip mode to regain normal control of the console.
Exiting Skip Mode
1. To exit Skip mode, press
[Esc]
or
[Spacebar].
←Skips to the first accessible port. (See SCAN/SKIP MODE,
page 29, for information regarding accessible ports.)
→Skips to the next accessible port.
↑Skips to the last accessible port of the previous station.
↓Skips to the first accessible port of the next station.
Chapter 5. Hotkey Operation
45
Computer Keyboard / Mouse Reset
If either the keyboard or mouse stop functioning on the computer connected to
the currently selected port, you can perform a keyboard / mouse reset on the
computer by executing the following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[F5]
.
After you press [F5] you automatically exit Hotkey mode and regain
keyboard and mouse control on the computer connected to the KVM port.
If you fail to regain keyboard / mouse control on the computer after
pressing [F5], perform a system reset. For more information see reset
button, page 7.
This function is essentially the same as unplugging and replugging the
keyboard and mouse on the target computer.
Setting the Hotkey Beeper ON/OFF
The beeper (see Activate Beeper, page 29) can be turned on and off with
Hotkeys by the following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[B]
.
After you press
[B]
, the beeper turns on or off. The command line displays
Beeper On or Beeper Off for one second; then the message disappears and you
automatically exit Hotkey mode.
KH2508A / KH2516A User Manual
46
Setting the Hotkey key combination
The keys used to enter the Hotkey Mode (see HOTKEY COMMAND MODE,
page 29) can be switched between:
[Num Lock] + [-]
, and
[Ctrl] + [F12]
by the following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[H]
.
After you press [H], the command line displays HOTKEY HAS BEEN
CHANGED for one second; then the message disappears and you
automatically exit Hotkey mode.
Setting the OSD Hotkey combination
The Hotkeys used to access the OSD (see OSD HOTKEY, page 28) can be
switched between
[Scroll Lock], [Scroll Lock], [Ctrl], [Ctrl],
and
[Alt], [Alt]
by the following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[T]
.
After you press
[T]
, the command line displays HOTKEY HAS BEEN
CHANGED for one second; then the message disappears and you
automatically exit Hotkey mode.
Chapter 5. Hotkey Operation
47
Setting the Port Operating System
A port’s operating system configuration can be matched to that of the computer
attached to the port by performing the following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press a
[Function]
key, where
[Function]
refers to one of the
function keys in the following table:
After pressing a function key you automatically exit Hotkey mode.
Restore the Default Values
This administrator-only Hotkey restores the KH2508A / KH2516A default
values (see RESTORE DEFAULT VALUES on page 32) by performing the
following steps:
1. Invoke Hotkey mode:
[Num Lock] + [-] or [Ctrl] + [F12]
2. Press
[R]
.
3. Press
[Enter]
.
After you press
[Enter]
, the command line displays RESET TO DEFAULT
SETTING for three seconds; then the message disappears and you
automatically exit Hotkey mode.
Key Description
F1
Sets the Port OS to Windows
F2
Sets the Port OS to Mac
F3
Sets the Port OS to Sun
KH2508A / KH2516A User Manual
48
Hotkey Summary Table
[Num Lock] + [-]
or
[Ctrl] + [F12]
[A] [Enter] Invokes Auto Scan mode.
When Auto Scan mode is in effect, [P] or
left-click pauses auto-scanning.
When auto-scanning is paused, pressing
any key or another left-click resumes auto-
scanning.
[B] Toggles the Beeper On or Off.
[Esc] or [Spacebar] Exits hotkey mode.
[F1] Sets Operating System to Windows
[F2] Sets Operating System to Mac
[F3] Sets Operating System to Sun
[F5] Performs a keyboard / mouse reset on the
target computer.
[H] Toggles the Hotkey invocation keys.
[Port ID] [Enter] Switches access to the computer that
corresponds to that Port ID.
[R] [Enter] Administrator only hotkey. It returns the
switch’s settings to their default values.
[T] Toggles the OSD Hotkey between [Ctrl]
[Ctrl] and [Scroll Lock] [Scroll Lock].
[
←
]Invokes Skip Mode and skips from the
current port to the first accessible port
previous to it.
[
→
]Invokes Skip Mode and skips from the
current port to the next accessible port.
[
↑
]Invokes Skip Mode and skips from the
current port to the last accessible port of the
previous Station.
[
↓
]Invokes Skip Mode and skips from the
current port to the first accessible port of the
next Station.
49
Chapter 6
Keyboard Emulation
Mac Keyboard
The PC compatible (101/104 key) keyboard can emulate the functions of the
Mac keyboard. The emulation mappings are listed in the table below.
Note: When using key combinations, press and release the first key (Ctrl),
then press and release the activation key.
PC Keyboard Mac Keyboard
[Shift] Shift
[Ctrl] Ctrl
[Ctrl] [1]
[Ctrl] [2]
[Ctrl] [3]
[Ctrl] [4]
[Alt] Alt
[Print Screen] F13
[Scroll Lock] F14
=
[Enter] Return
[Backspace] Delete
[Insert] Help
[Ctrl] F15
KH2508A / KH2516A User Manual
50
Sun Keyboard
The PC compatible (101/104 key) keyboard can emulate the functions of the
Sun keyboard when the Control key [Ctrl] is used in conjunction with other
keys. The corresponding functions are shown in the table below.
Note: When using key combinations, press and release the first key (Ctrl),
then press and release the activation key.
PC Keyboard Sun Keyboard
[Ctrl] [T] Stop
[Ctrl] [F2] Again
[Ctrl] [F3] Props
[Ctrl] [F4] Undo
[Ctrl] [F5] Front
[Ctrl] [F6] Copy
[Ctrl] [F7] Open
[Ctrl] [F8] Paste
[Ctrl] [F9] Find
[Ctrl] [F10] Cut
[Ctrl] [1]
[Ctrl] [2]
[Ctrl] [3]
[Ctrl] [4]
[Ctrl] [H] Help
Compose
-
+
51
Chapter 7
The Firmware Upgrade Utility
Introduction
The purpose of the Windows-based Firmware Upgrade Utility is to provide an
automated process for upgrading the KH2508A / KH2516A and compatible
adapter cable firmware. The program comes as part of a Firmware Upgrade
Package that is specific for each device.
The Firmware Upgrade Package also includes an OSD Configuration Backup/
Restore utility for enabled devices. See OSD Configuration Backup/Restore,
page 59, for full details.
The latest revisions of new firmware for the KH2508A / KH2516A, and
supported KVM Adapter Cables are posted as Firmware Upgrade Packages on
our web site. Check the website regularly to find the latest firmware packages
and information relating to them.
Note: 1. A single upgrade package contains the upgrade files for the Main
Board, OSD and all the supported KVM Adapter Cables.
2. KVM Adapter Cables are referred to as I/O Modules in some dialog
boxes.
Before You Begin
To prepare for the firmware upgrade, do the following:
1. From a computer that is not part of your KVM installation go to our
Internet support site and choose the model name that relates to your device
to get a list of available Firmware Upgrade Packages.
2. Choose the Firmware Upgrade Package you want to install (usually the
most recent), and download it to your computer.
(Continues on next page.)
KH2508A / KH2516A User Manual
52
(Continued from previous page.)
3. Use the firmware upgrade cable (provided with this unit), to connect a
COM port on your computer to the firmware upgrade port of your device.
Note: On a daisy chained installation, connect the cable to the first station
unit. The chained stations will receive the upgrade via the daisy
chain cables.
4. Shut down all of the computers except those that are attached to cable
adapters that require upgrade. The cable adapters require the computers
power source to be upgraded. Do not shut down the stations on the KVM
installation.
5. From your KVM switch console, bring up the OSD (see page 23) and
select the F4ADM function.
6. Scroll down to FIRMWARE UPGRADE. Press [Enter], then press [Y] to
start the Firmware Upgrade Mode (see page 33).
Note: 1. The upgrade to the KVM Adapter Cables takes place via the Cat
5e/6 cable that connects the adapter cable to the KVM switch, so
there is no separate firmware upgrade cable to attach.
2. Adapter cable firmware selected with the upgrade utility will
upgrade in a single session all connected adapter cables models
that match the firmware type.
Chapter 7. The Firmware Upgrade Utility
53
Performing the Upgrade
Starting the Upgrade
To upgrade your firmware:
1. Run the downloaded Firmware Management Utility file, either by double
clicking the file icon, or by opening a command line and keying in the full
path to it. The Firmware Management Wizard Welcome screen appears:
2. Select Firmware Upgrade Utility from the Management Options and click
Next. The Firmware Upgrade Utility Welcome screen appears:
3. Read and Agree to the License Agreement (enable the I Agree radio
button).
KH2508A / KH2516A User Manual
54
4. Click Next to continue. The Firmware Upgrade Utility main screen
appears:
The Utility checks to make sure the KH2508A / KH2516A is in the
Firmware Upgrade Mode and then lists all firmware available preselected
in the Device List panel.
Note: If the Utility fails to list any firmware check that the KH2508A /
KH2516A is connected and in the Firmware Upgrade Mode.
Alternatively the Firmware Package maybe corrupted or the wrong
version therefore obtain a new copy of the file and retry.
5. Select MAIN01 and MAIN02 to upgrade the firmware for the Main Board
and the OSD; they must always be upgraded together as a pair. Deselect
any KVM Adapter Cable types not included in the installation or are not
Device
Firmware
Available
Chapter 7. The Firmware Upgrade Utility
55
required to be upgraded. After you have made your selection(s), click
Next to perform the upgrade.
6.
Check Firmware Version - when selected the utility compares the Main
Board and OSD firmware level with the upgrade files MAIN01 and
MAIN02. If the device versions are higher than the upgrade versions a
dialog box informs you and gives you the option to continue or cancel.
The firmware versions of the adapter cables are not checkd.
If you didn't enable Check Firmware Version, the utility installs the
upgrade files without checking whether they are a higher level, or not.
As the upgrade proceeds status messages appear in the Status
Messages panel, and the progress toward completion is shown on the
Progress bar.
To abort the upgrade procedure before it completes, click Cancel.
If you cancel before completion, a dialog box warns you that the
upgrade will not finish and shows the options to proceed or abort the
cancel operation. The Mainboard and OSD firmware may be missing or
corrupted upon rebooting the switch.
Deselect
any firmware
not to be
upgraded
Select for
Firmware
Checking
KH2508A / KH2516A User Manual
56
To recover from missing or corrupt firmware, see Firmware Upgrade
Recovery, page 57.
Upgrade Succeeded
After the upgrade has completed, a screen appears to inform you that the
procedure was successful
Click Finish to close the Firmware Upgrade Utility
Note: At the completion of the upgrade, the KH2508A / KH2516A restarts
Chapter 7. The Firmware Upgrade Utility
57
Upgrade Failed
If the upgrade failed to complete successfully a dialog box appears asking if
you want to retry. Click Yes to retry. If you click No, the Upgrade Failed
screen appears similar to below:
Click Cancel to close the Firmware Upgrade Utility. See the next section,
Firmware Upgrade Recovery, for how to proceed.
Firmware Upgrade Recovery
Should the firmware on the switch be missing or corrupted it may not be
possible to operate or boot the switch. This could be due to:
Starting the Firmware Upgrade Mode (see FIRMWARE UPGRADE,
page 33), and then canceling the upgrade.
An interruption of the firmware upgrade.
The firmware upgrade procedure failing.
The unit’s firmware becoming corrupted for unknown reasons.
Main Board and OSD Firmware Upgrade Recovery
To perform a firmware upgrade recovery, do the following:
1. On the KVM Switch slide the firmware upgrade recovery switch (see
page 7) to the Recover position.
2. Power off and restart the switch according to the instructions given in the
Powering Off and Restarting section (see page 21).
KH2508A / KH2516A User Manual
58
3. From your KVM switch console, bring up the OSD (see page 23) and
select the F4ADM function.
4. Scroll down to FIRMWARE UPGRADE. Press [Enter].
5. Press [Y] to invoke Upgrade Mode.
6. Proceed with the firmware upgrade as described in Performing the
Upgrade, starting on page 53.
7. When the upgrade ends, power off the switch
8. Slide the firmware upgrade recovery switch back to the Normal position.
9. Power on the switch.
Note: If one of the chained station KVM units fails to upgrade successfully,
unchain it from the installation and perform the recovery and upgrade
operation on it independently. After it has been successfully upgraded,
plug it back into the chain
Adapter Cable Firmware Upgrade Recovery
To perform an adapter cable firmware upgrade recovery, do the following:
1. Unplug the adapter cable from the computer it is connected to.
2. Slide its firmware upgrade recovery switch (located next to the RJ45
connector) to the Recover position.
3. Plug the adapter cable back into the computer.
4. From your KVM switch console, bring up the OSD (see page 23) and
select the F4ADM function.
5. Scroll down to FIRMWARE UPGRADE. Press [Enter].
6. Press [Y] to invoke Upgrade Mode.
7. Proceed with the firmware upgrade as described in Performing the
Upgrade, starting on page 53.
8. After the upgrade completes and the switch restarts, unplug the adapter
cable from the computer and slide the firmware upgrade recovery switch
back to the Normal position.
9. Plug the adapter cable back into the computer.
Chapter 7. The Firmware Upgrade Utility
59
OSD Configuration Backup/Restore
The Firmware Management Utility lets you backup the current OSD
configuration of the KH2508A / KH2516A, and restore it when necessary.
Storing the OSD configuration settings is useful when deploying more than one
installation that uses the same settings.
Backup
Follow these steps to store a backup file to a local computer:
1. Make sure your computer is connected to the KH2508A / KH2516A.
See Before You Begin, page 51, and follow steps 1–3.
2. When you have selected the F4 ADM function, scroll down to OSD
CONFIG BACKUP / RESTORE. Press [Enter], then press [Y] to invoke
OSD Config Backup / Restore Mode.
3. Run the Firmware Management Utility. In the dialog box, choose OSD
Configuration Backup/Restore, then click Next.
4. In the window that appears, click Connect Device.
5. In the Password field, key in a password for the file.
Note: Setting a password is optional. If you do not set one, the file can be
restored without specifying a password.
6. Click Backup.
7. When the browser asks what you want to do with the file, select Save to
disk, then save it in a convenient location.
KH2508A / KH2516A User Manual
60
Restore
Follow these steps to restore a backup file from a local computer:
1. Do steps 1 to 3 of the previous section. See Backup, page 59.
2. Click Restore to recover an OSD configuration stored in the local
computer. If you have previously set a password for this feature, enter the
password in the provided field before clicking Restore. A confirmation
window appears; click Ye s to proceed.
3. Browse for the OSD configuration file you want to use and click Restore.
Make sure the backup file is in the local computer.
4. A confirmation window appears when the restore process is done and
successful. Click OK to close it.
61
Appendix
Safety Instructions
General
This product is for indoor use only.
Read all of these instructions. Save them for future reference.
Follow all warnings and instructions marked on the device.
Do not place the device on any unstable surface (cart, stand, table, etc.). If
the device falls, serious damage will result.
Do not use the device near water.
Do not place the device near, or over, radiators or heat registers.
The device cabinet is provided with slots and openings to allow for
adequate ventilation. To ensure reliable operation, and to protect against
overheating, these openings must never be blocked or covered.
The device should never be placed on a soft surface (bed, sofa, rug, etc.) as
this will block its ventilation openings. Likewise, the device should not be
placed in a built in enclosure unless adequate ventilation has been
provided.
Never spill liquid of any kind on the device.
Unplug the device from the wall outlet before cleaning. Do not use liquid
or aerosol cleaners. Use a damp cloth for cleaning.
The device should be operated from the type of power source indicated on
the marking label. If you are not sure of the type of power available,
consult your dealer or local power company.
The device is designed for IT power distribution systems with 230V
phase-to-phase voltage.
To prevent damage to your installation it is important that all devices are
properly grounded.
The device is equipped with a 3-wire grounding type plug. This is a safety
feature. If you are unable to insert the plug into the outlet, contact your
electrician to replace your obsolete outlet. Do not attempt to defeat the
purpose of the grounding-type plug. Always follow your local/national
wiring codes.
KH2508A / KH2516A User Manual
62
Do not allow anything to rest on the power cord or cables. Route the
power cord and cables so that they cannot be stepped on or tripped over.
If an extension cord is used with this device make sure that the total of the
ampere ratings of all products used on this cord does not exceed the
extension cord ampere rating. Make sure that the total of all products
plugged into the wall outlet does not exceed 15 amperes.
To help protect your system from sudden, transient increases and
decreases in electrical power, use a surge suppressor, line conditioner, or
uninterruptible power supply (UPS).
Position system cables and power cables carefully; Be sure that nothing
rests on any cables.
Never push objects of any kind into or through cabinet slots. They may
touch dangerous voltage points or short out parts resulting in a risk of fire
or electrical shock.
Do not attempt to service the device yourself. Refer all servicing to
qualified service personnel.
If the following conditions occur, unplug the device from the wall outlet
and bring it to qualified service personnel for repair.
The power cord or plug has become damaged or frayed.
Liquid has been spilled into the device.
The device has been exposed to rain or water.
The device has been dropped, or the cabinet has been damaged.
The device exhibits a distinct change in performance, indicating a need
for service.
The device does not operate normally when the operating instructions
are followed.
Only adjust those controls that are covered in the operating instructions.
Improper adjustment of other controls may result in damage that will
require extensive work by a qualified technician to repair.
Do not connect the RJ-11 connector marked “UPGRADE” to a public
telecommunication network.
Appendix
63
Rack Mounting
Before working on the rack, make sure that the stabilizers are secured to
the rack, extended to the floor, and that the full weight of the rack rests on
the floor. Install front and side stabilizers on a single rack or front
stabilizers for joined multiple racks before working on the rack.
Always load the rack from the bottom up, and load the heaviest item in the
rack first.
Make sure that the rack is level and stable before extending a device from
the rack.
Use caution when pressing the device rail release latches and sliding a
device into or out of a rack; the slide rails can pinch your fingers.
After a device is inserted into the rack, carefully extend the rail into a
locking position, and then slide the device into the rack.
Do not overload the AC supply branch circuit that provides power to the rack.
The total rack load should not exceed 80 percent of the branch circuit rating.
Make sure that all equipment used on the rack – including power strips and
other electrical connectors – is properly grounded.
Ensure that proper airflow is provided to devices in the rack.
Ensure that the operating ambient temperature of the rack environment
does not exceed the maximum ambient temperature specified for the
equipment by the manufacturer
Do not step on or stand on any device when servicing other devices in a rack.
KH2508A / KH2516A User Manual
64
Consignes de sécurité
Général
Ce produit est destiné exclusivement à une utilisation à l’intérieur.
Veuillez lire la totalité de ces instructions. Conservez-les afin de pouvoir
vous y référer ultérieurement.
Respectez l’ensemble des avertissements et instructions inscrits sur
l’appareil.
Ne placez jamais l’unité sur une surface instable (chariot, pied, table, etc.).
Si l’unité venait à tomber, elle serait gravement endommagée.
N’utilisez pas l’unité à proximité de l’eau.
Ne placez pas l’unité à proximité de ou sur des radiateurs ou bouches de
chaleur.
Le boîtier de l’unité est doté de fentes et d’ouvertures destinées à assurer
une ventilation adéquate. Pour garantir un fonctionnement fiable et
protéger l’unité contre les surchauffes, ces ouvertures ne doivent jamais
être bloquées ou couvertes.
L’unité ne doit jamais être placée sur une surface molle (lit, canapé, tapis,
etc.) car ses ouvertures de ventilation se trouveraient bloquées. De même,
l’unité ne doit pas être placée dans un meuble fermé à moins qu'une
ventilation adaptée ne soit assurée.
Ne renversez jamais de liquides de quelque sorte que ce soit sur l’unité.
Débranchez l’unité de la prise murale avant de la nettoyer. N’utilisez pas
de produits de nettoyage liquide ou sous forme d’aérosol. Utilisez un
chiffon humide pour le nettoyage de l’unité.
L’appareil doit être alimenté par le type de source indiqué sur l’étiquette.
Si vous n’êtes pas sûr du type d’alimentation disponible, consultez votre
revendeur ou le fournisseur local d’électricité.
Afin de ne pas endommager votre installation, vérifiez que tous les
périphériques sont correctement mis à la terre.
L’unité est équipée d’une fiche de terre à trois fils. Il s’agit d’une fonction
de sécurité. Si vous ne parvenez pas à insérer la fiche dans la prise murale,
contactez votre électricité afin qu’il remplace cette dernière qui doit être
obsolète. N’essayez pas d’aller à l’encontre de l’objectif de la fiche de
terre. Respectez toujours les codes de câblage en vigueur dans votre
région/pays.
Appendix
65
L’équipement doit être installé à proximité de la prise murale et le
dispositif de déconnexion (prise de courant femelle) doit être facile
d’accès.
La prise murale doit être installée à proximité de l’équipement et doit être
facile d’accès.
Veillez à ce que rien ne repose sur le cordon d’alimentation ou les câbles.
Acheminez le cordon d’alimentation et les câbles de sorte que personne ne
puisse marcher ou trébucher dessus.
En cas d’utilisation d’une rallonge avec cette unité, assurez-vous que le
total des ampérages de tous les produits utilisés sur cette rallonge ne
dépasse pas l’ampérage nominal de cette dernière. Assurez-vous que le
total des ampérages de tous les produits branchés sur la prise murale ne
dépasse pas 15 ampères.
Pour contribuer à protéger votre système contre les augmentations et
diminutions soudaines et transitoires de puissance électrique, utilisez un
parasurtenseur, un filtre de ligne ou un système d’alimentation sans
coupure (UPS).
Placez les câbles du système et les câbles d’alimentation avec précaution ;
veillez à ce que rien ne repose sur aucun des câbles.
Lors du branchement ou du débranchement à des blocs d’alimentation
permettant la connexion à chaud, veuillez respecter les lignes directrices
suivantes:
Installez le bloc d’alimentation avant de brancher le câble d’alimentation à
celui-ci.
Débranchez le câble d’alimentation avant de retirer le bloc d'alimentation.
Si le système présente plusieurs sources d’alimentation, déconnectez le
système de l'alimentation en débranchant tous les câbles d'alimentation des
blocs d'alimentation.
N’insérez jamais d’objets de quelque sorte que ce soit dans ou à travers les
fentes du boîtier. Ils pourraient entrer en contact avec des points de tension
dangereuse ou court-circuiter des pièces, entraînant ainsi un risque
d’incendie ou de choc électrique.
N’essayez pas de réparer l’unité vous-même. Confiez toute opération de
réparation à du personnel qualifié.
Si les conditions suivantes se produisent, débranchez l’unité de la prise
murale et amenez-la à un technicien qualifié pour la faire réparer:
Le cordon d’alimentation ou la fiche ont été endommagés ou éraillés.
Du liquide a été renversé dans l’unité.
KH2508A / KH2516A User Manual
66
L’unité a été exposée à la pluie ou à l’eau.
L’unité est tombée ou le boîtier a été endommagé.
Les performances de l’unité sont visiblement altérées, ce qui indique la
nécessité d’une réparation.
L’unité ne fonctionne pas normalement bien que les instructions
d’utilisation soient respectées.
N’utilisez que les commandes qui sont abordées dans le mode d’emploi.
Le réglage incorrect d’autres commandes peut être à l’origine de
dommages qui nécessiteront beaucoup de travail pour qu’un technicien
qualifié puisse réparer l’unité.
Ne connectez pas le connecteur RJ-11 portant la marque « Sensor »
(Capteur) à un réseau de télécommunication public.
Appendix
67
Montage sur bâti
Avant de travailler sur le bâti, assurez-vous que les stabilisateurs sont bien
fixées sur le bâti, qu’ils sont étendus au sol et que tout le poids du bâti
repose sur le sol. Installez les stabilisateurs avant et latéraux sur un même
bâti ou bien les stabilisateurs avant si plusieurs bâtis sont réunis, avant de
travailler sur le bâti.
Chargez toujours le bâti de bas en haut et chargez l’élément le plus lourd
en premier.
Assurez-vous que le bâti est à niveau et qu’il est stable avant de sortir une
unité du bâti.
Agissez avec précaution lorsque vous appuyez sur les loquets de libération
du rail d’unité et lorsque vous faites coulisser une unité dans et hors d’un
bâti ; vous pourriez vous pincer les doigts dans les rails.
Une fois qu’une unité a été insérée dans le bâti, étendez avec précaution le
rail dans une position de verrouillage puis faites glisser l’unité dans le bâti.
Ne surchargez pas le circuit de l’alimentation CA qui alimente le bâti. La
charge totale du bâti ne doit pas dépasser 80 % de la capacité du circuit.
Assurez-vous que tous les équipements utilisés sur le bâti, y-compris les
multiprises et autres connecteurs électriques, sont correctement mis à la
terre.
Assurez-vous que les unités présentes dans le bâti bénéficie d’une
circulation d’air suffisante.
Assurez-vous que la température ambiante de fonctionnement de
l’environnement du bâti ne dépasse pas la température ambiante maximale
spécifiée pour l’équipement par le fabricant.
Ne marchez sur aucun appareil lors de la maintenance d’autres appareils
d’un bâti.
Attention: Glisser / rail (LCD KVM) monté l'équipement ne doit pas être
utilisé comme une étagère ou un espace de travail.
KH2508A / KH2516A User Manual
68
Technical Support
International
For online technical support – including troubleshooting, documentation,
and software updates: http://eservice.aten.com
For telephone support, see Telephone Support, page vii:
North America
When you contact us, please have the following information ready beforehand:
Product model number, serial number, and date of purchase.
Your computer configuration, including operating system, revision level,
expansion cards, and software.
Any error messages displayed at the time the error occurred.
The sequence of operations that led up to the error.
Any other information you feel may be of help.
Email Support support@aten-usa.com
Online
Technical
Support
Troubleshooting
Documentation
Software Updates
http://www.aten-usa.com/support
Telephone Support 1-888-999-ATEN ext 4988
1-949-428-1111
Appendix
69
Specifications
Function KH2508A KH2516A
Computer
Connections
Direct 8 16
Max. 128 (via Daisy Chain) 256 (via Daisy Chain)
Port Selection OSD (On Screen Display);
Hotkeys
Pushbuttons
Connectors Console KB 2 x 6-pin Mini-DIN F (Purple)
2 x USB Type A F
Video 2 x HDB-15 F
Mouse 2 x 6-pin Mini-DIN F (Green)
2 x USB Type A F
KVM Ports 8 x RJ-45 16 x RJ-45
Daisy
Chain
In
1 x DB-25 F
Out
1 x DB-25 M
F/W Upgrade 1 x RJ-11
Power 3-Prong AC socket
Switches Port Selection 8 x Pushbutton 16 x Pushbutton
Console Selection 2 x Pushbutton
KVM Reset 1 x Recessed pushbutton
F/W Upgrade 1 x Slide
Power 1 x Rocker
LEDs Port
On Line
8 (Green) 16 (Green)
Selected
8 (Orange) 16 (Orange)
Console 2 (Orange) 2 (Orange)
Power 1 (Blue)
Station ID 1 x 2 Digit 7-segment (Orange)
Emulation Keyboard PS/2; USB
Mouse PS/2; USB
Scan Interval 1–255 sec.
Video 1920 x 1200 @ 60 Hz (30 m);
1600 x 1200 @ 60 Hz (40 m);
1280 x 1024 @ 75 Hz (50 m)
I/P Rating 100-240 VAC; 50/60 Hz; 1A
Power Consumption 120V/7.2W; 230V/8.6W 120V/7.6W; 230V/9.0W
KH2508A / KH2516A User Manual
70
Environment Operating Temp. 0–50
o
C
Storage Temp. -20–60
o
C
Humidity 0–80% RH
Physical
Properties
Housing Metal
Weight 2.81 kg 2.85 kg
Dimensions 43.72 x 16.36 x 4.40 cm
Function KH2508A KH2516A
Appendix
71
Connection Tables
The following table indicates the relationship between the number of
KH2508A / KH2516A units and the number of computers that they control
KH2508A
KH2516A
No. Computers No. Computers
1 1 - 8 9 65 - 72
29 - 16 10 73 - 80
3 17 - 24 11 81 - 88
425 - 32 12 89 - 96
5 33 - 40 13 97 - 104
641 - 48 14 105 - 112
7 49- 56 15 113 - 120
857 - 64 16 121 - 128
No. Computers No. Computers
1 1 - 16 9 129 - 144
217 - 32 10 145 - 160
3 33 - 48 11 161 - 176
449 - 64 12 177 - 192
5 65 - 80 13 193 - 208
681 - 96 14 209 - 224
7 97- 112 15 225 - 240
8113 - 128 16 241 - 256
KH2508A / KH2516A User Manual
72
Compatible Products
Refer to the ATEN website for more information on compatible products.
Please keep in mind the following limitations when installing more than one
KVM switches:
The maximum distance between the KH2508A / KH2516A and the last
switch in the daisy chain cannot exceed 100 meters, regardless of the
number of switches in the daisy chain.
The maximum distance between any two KVM switches in the daisy chain
cannot exceed 15 meters.
Appendix
73
OSD Factory Default Settings
The factory default settings are as follows:
Setting Default
OSD Hotkey [Scroll Lock] [Scroll Lock]
Port ID Display Position Upper Left Corner
Port ID Display Duration 3 Seconds
Port ID Display Mode The Port Number plus the Port Name
Scan Duration 5 Seconds
Scan/Skip Mode All
Screen Blanker OFF
Hotkey Command Mode ON
Hotkey [Num Lock] + [-]
Logout Timeout OFF
Beeper ON
Accessible Ports F (Full Access) For all Users on all Ports
Operation Mode Share
OSD Language English
KH2508A / KH2516A User Manual
74
Administrator Login Failure
If you are unable to perform an Administrator login (because the Username and
Password information has become corrupted or you have forgotten it, for
example) you can clear the login information with the following procedure:
1. Power off the KH2508A / KH2516A and remove its housing.
2. Short the jumper labeled J13.
3. Power on the switch.
The on screen display will show a message informing you that the
password information has been cleared.
4. Power off the switch.
5. Remove the jumper cap from J13.
6. Close the housing and start the KH2508A / KH2516A back up.
After you start back up, you can use the default Username and Password (see
OSD Overview, page 23) to log in.
Appendix
75
Troubleshooting
Overview
Operation problems can be due to a variety of causes. The first step in solving
them is to make sure that all cables are securely attached and seated completely
in their sockets.
In addition, updating the product’s firmware may solve problems that have
been discovered and resolved since the prior version was released. If your
product is not running the latest firmware version, we strongly recommend that
you upgrade. See The Firmware Upgrade Utility, page 51, for upgrade details.
Symptom Action
Mouse and/or Keyboard not
responding.
The mouse and/or keyboard need to be reset.
Unplug the cable(s) from the console port(s), then
plug it (them) back in.
All Station IDs display as 01. Station 1 suddenly lost its power. Wait a few
seconds for the system to reinitialize the station
sequence and display the proper IDs.
KH2508A / KH2516A User Manual
76
Limited Warranty
ATEN warrants its hardware in the country of purchase against flaws in
materials and workmanship for a Warranty Period of two [2] years (warranty
period may vary in certain regions/countries) commencing on the date of
original purchase. This warranty period includes the LCD panel of ATEN LCD
KVM switches. Select products are warranted for an additional year (see A+
Warranty for further details). Cables and accessories are not covered by the
Standard Warranty.
What is covered by the Limited Hardware Warranty
ATEN will provide a repair service, without charge, during the Warranty
Period. If a product is detective, ATEN will, at its discretion, have the option
to (1) repair said product with new or repaired components, or (2) replace the
entire product with an identical product or with a similar product which fulfills
the same function as the defective product. Replaced products assume the
warranty of the original product for the remaining period or a period of 90 days,
whichever is longer. When the products or components are replaced, the
replacing articles shall become customer property and the replaced articles
shall become the property of ATEN.
To learn more about our warranty policies, please visit our website:
http://www.aten.com/global/en/legal/policies/warranty-policy/
© Copyright 2021 ATEN® International Co., Ltd.
Released: 2021-05-17
ATEN and the ATEN logo are registered trademarks of ATEN International Co., Ltd. All rights reserved.
All other brand names and trademarks are the registered property of their respective owners.