C2G 39748 User Manual
Displayed below is the user manual for 39748 by C2G which is a product in the Network Transceiver Modules category. This manual has pages.
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462-3624-LEG!
40Gbase!QSFP+!Transceiver!
!
!
Features!
• Four-channel!full-duplex!transceiver!modules!
• Transmission!data!rate!up!to!10.3Gbit/s!per!channel!
• 4!channels!850nm!VCSEL!array!
• 4!channels!PIN!photo!detector!array!
• Low!power!consumption!<1.5W!
• Housing!isolated!from!connector!ground!
• Operating!case!temperature!0°C!to!70°C!
• 3.3V!power!supply!voltage!
• RoHS!6!compliant!
• Hot!Pluggable!QSFP!form!factor!
• Maximum!link!length!of!300m!on!OM3!Multimode!Fiber!
(MMF)!and!450m!on!OM4!MMF!
• Single!MPO!connector!receptacle!
• Built-in!digital!diagnostic!functions!!
!
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Product!Description!
!
Legrand’s!462-3624-LEG!Quad!Small!Form!Factor!Pluggable!(QSFP+)!transceivers!are!compatible!with!the!Small!
Form!Factor!Pluggable!Multi-Sourcing!Agreement!(MSA).!The!QSFP+!transceivers!are!high!performance,!cost!
effective!modules!supporting!40!Gigabit!Ethernet!and!up!to!300m!transmission!distance!with!MMF.!!
!
Legrand’s!QSFP+!transceivers!are!RoHS!compliant!and!lead-free.!
!
!
!
Applications!
• 40Gbase-X!40G!Ethernet!
• 16x!Fibre!Channel!
• Datacom/Telecom!switch!&!
router!connections!
• Data!Aggregation!and!Backplane!
Application!
• Proprietary!Protocol!and!Density!
Applications!
Part#!39748!
462-3624-LEG!
DELL!COMPATIBLE!40GBASE-ESR4!QSFP+!MMF!
850NM!300M!REACH!MPO!DOM!
!
!
Absolute!Maximum!Ratings!
Parameter!
Symbol!
Min.!
Typ.!
Max.!
Unit!
Supply!Voltage!
Vcc!
-0.3!
!
3.6!
V!
Input!Voltage!
Vin!
-0.3!
!
Vcc+0.3!
V!
Storage!Temperature!
Tst!
-20!
!
85!
°C!
Case!Operating!Temperature!
Top!
0!
!
70!
°C!
Humidity!(non-condensing)!
Rh!
5!
!
95!
%!
!
Recommended!Operating!Conditions!
Parameter!
Symbol!
Min.!
Typ.!
Max.!
Unit!
Supply!Voltage!
Vcc!
3.13!
3.3!
3.47!
V!
Operating!Case!Temperature!
Tca!
0!
!
70!
°C!
Data!Rate!Per!Lane!
fd!
2.5!
!
14.025!
Gbps!
Humidity!
Rh!
5!
!
85!
%!
Power!Dissipation!
Pm!
!
!
1.5!
W!
Fiber!Bend!Radius!
Rb!
3!
!
!
cm!
!
Electrical!Characteristics!!
Parameter!
Symbol!
Min.!
Typ.!
Max.!
Unit!
Notes!
Differential!Input!impedance!
Zin!
90!
100!
110!
ohm!
!
Differential!Output!impedance!
Zout!
90!
100!
110!
ohm!
!
Differential!Input!Voltage!
amplitude!
ΔVin!
300!
!
1100!
mVp-p!
!
Differential!output!voltage!
amplitude!
ΔVout!
500!
!
800!
mVp-p!
!
Skew!
Sw!
!
!
300!
ps!
!
Bit!Error!Rate!
BR!
!
!
E-12!
!
!
Input!Logic!Level!High!
VIH!
2.0!
!
VCC!
V!
!
Input!Logic!Level!Low!
VIL!
0!
!
0.8!
V!
!
Output!Logic!Level!High!
VOH!
VCC-0.5!
!
VCC!
V!
!
Output!Logic!Level!Low!
VOL!
0!
!
0.4!
V!
!
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Optical!Characteristics!
Parameter!
Symbol!
Min.!
Typ.!
Max.!
Unit!
Notes!
Transmitter!
Center!Wavelength!
λC!
840!
850!
860!
nm!
!
RMS!Spectral!Width!
∆λ!
!
!
0.65!
nm!
!
Average!Optical!Power!per!Channel!!
Pout!
-7.5!
!
2.5!
dBm!
!
Difference!in!launch!power!
between!any!two!lanes!(OMA)!
!
!
!
4!
dB!
!
Extinction!Ratio!
ER!
3!
!
!
dB!
!
Peak!power,!each!lane!
!
!
!
4!
dBm!
!
Transmitter!and!dispersion!penalty!
(TDP),!each!lane!
TDP!
!
!
3.5!
dB!
!
Eye!Mask!Coordinates:!
X1,!X2,!X3,!Y1,!Y2,!Y3!
Specification!Values!
0.23,!0.34,!0.43,!0.27,!0.35,!0.4!
!
Hit!Ratio!
=!5x10-5!
Receiver!
Center!Wavelength!
λC!
840!
850!
860!
nm!
!
Stressed!receiver!sensitivity!in!
OMA,!each!lane!
!
!
!
-5.4!
dBm!
1!
Average!power!at!receiver!input,!
each!lane!
!
-9.5!
!
2.4!
dBm!
!
Receiver!Reflectance!!
!
!
!
-12!
dB!
!
Peak!power,!each!lane!
!
!
!
4!
dBm!
!
LOS!Assert!
!
-30!
!
!
dBm!
!
LOS!De-Assert!-!OMA!
!
!
!
-7.5!
dBm!
!
LOS!Hysteresis!
!
0.5!
!
!
dB!
!
!
Note:!
1. Measured!with!conformance!test!signal!at!TP3!for!BER!=!10e-12!
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Pin!Descriptions!
Pin!
Logic!
Symbol!
Name/Descriptions!
Ref.!
1!
!
GND!
Module!Ground!
1!
2!
CML-I!
Tx2-!
Transmitter!inverted!data!input!
!
3!
CML-I!
Tx2+!
Transmitter!non-inverted!data!input!
!
4!
!
GND!
Module!Ground!
1!
5!
CML-I!
Tx4-!
Transmitter!inverted!data!input!
!
6!
CML-I!
Tx4+!
Transmitter!non-inverted!data!input!
!
7!
!
GND!
Module!Ground!
1!
8!
LVTTL-I!
MODSEIL!
Module!Select!
2!
9!
LVTTL-I!
ResetL!
Module!Reset!
2!
10!
!
VCCRx!
+3.3v!Receiver!Power!Supply!
!
11!
LVCMOS-I!
SCL!
2-wire!Serial!interface!clock!
2!
12!
LVCMOS-I/O!
SDA!
2-wire!Serial!interface!data!
2!
13!
!
GND!
Module!Ground!
1!
14!
CML-O!
RX3+!
Receiver!non-inverted!data!output!
!
15!
CML-O!
RX3-!
Receiver!inverted!dta!output!
!
16!
!
GND!
Module!Ground!
1!
17!
CML-O!
RX1+!
Receiver!non-inverted!data!output!
!
18!
CML-O!
RX1-!
Receiver!inverted!data!output!
!
19!
!
GND!
Module!Ground!
1!
20!
!
GND!
Module!Ground!
1!
21!
CML-O!
RX2-!
Receiver!inverted!data!output!
!
22!
CML-O!
RX2+!
Receiver!non-inverted!data!output!
!
23!
!
GND!
Module!Ground!
1!
24!
CML-O!
RX4-!
Receiver!inverted!data!output!
!
25!
CML-O!
RX4+!
Receiver!non-inverted!data!output!
!
26!
!
GND!
Module!Ground!
1!
27!
LVTTL-O!
ModPrsL!
Module!Present,!internal!pulled!down!to!GND!
!
28!
LVTTL-O!
IntL!
Interrupt!output,!should!be!pulled!up!on!host!board!
2!
29!
!
VCCTx!
+3.3v!Transmitter!Power!Supply!
!
30!
!
VCC1!
+3.3v!Power!Supply!
!
31!
LVTTL-I!
LPMode!
Low!Power!Mode!
2!
32!
!
GND!
Module!Ground!
1!
33!
CML-I!
Tx3+!
Transmitter!non-inverted!data!input!
!
!
!
34!
CML-I!
Tx3-!
Transmitter!inverted!data!input!
!
35!
!
GND!
Module!Ground!
1!
36!
CML-I!
Tx1+!
Transmitter!non-inverted!data!input!
!
37!
CML-I!
Tx1-!
Transmitter!inverted!data!input!
!
38!
!
GND!
Module!Ground!
1!
!
Note:!
1. Module!circuit!ground!is!isolated!from!module!chassis!ground!with!in!the!module.!
2. Open!collector;!should!be!pulled!up!with!4.7k-10k!ohms!on!host!board!to!a!voltage!between!3.15V!and!
3.6V.!
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Electrical!Pin-out!Details!
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ModSeIL!Pin!
The!ModSelL!is!an!input!pin.!When!held!low!by!the!host,!the!module!responds!to!2-wire!serial!communication!
commands.!The!ModSelL!allows!the!use!of!multiple!QSFP!modules!on!a!single!2-wire!interface!bus.!When!the!
ModSelL!is!“High”,!the!module!will!not!respond!to!any!2-wire!interface!communication!from!the!host.!ModSelL!
has!an!internal!pull-up!in!the!module.!
!
!
!
!
ResetL!Pin!
Reset.!LPMode_Reset!has!an!internal!pull-up!in!the!module.!A!low!level!on!the!ResetL!pin!for!longer!than!the!
minimum!pulse!length!(t_Reset_init)!initiates!a!complete!module!reset,!returning!all!user!module!settings!to!
their!default!state.!Module!Reset!Assert!Time!(t_init)!starts!on!the!rising!edge!after!the!low!level!on!the!ResetL!
pin!is!released.!During!the!execution!of!a!reset!(t_init)!the!host!shall!disregard!all!status!bits!until!the!module!
indicates!a!completion!of!the!reset!interrupt.!The!module!indicates!this!by!posting!an!IntL!signal!with!the!
Data_Not_Ready!bit!negated.!Note!that!on!power!up!(including!hot!insertion)!the!module!will!post!this!
completion!of!reset!interrupt!without!requiring!a!reset.!
!
LPMode!Pin!
Operate!in!the!low!power!mode!(less!than!1.5!W!power!consumption)!This!pin!active!high!will!decrease!power!
consumption!to!less!than!1W.!
!
ModPrsL!Pin!
ModPrsL!is!pulled!up!to!Vcc!on!the!host!board!and!grounded!in!the!module.!The!ModPrsL!is!asserted!“Low”!
when!the!module!is!inserted!and!de-asserted!“High”!when!the!module!is!physically!absent!from!the!host!
connector.!
!
IntL!Pin!
IntL!is!an!output!pin.!When!“Low”,!it!indicates!a!possible!module!operational!fault!or!a!status!critical!to!the!host!
system.!The!host!identifies!the!source!of!the!interrupt!by!using!the!2-wire!serial!interface.!The!IntL!pin!is!an!open!
collector!output!and!must!be!pulled!up!to!Vcc!on!the!host!board.!
!
Power!Supply!Filtering!
The!host!board!should!use!the!power!supply!filtering!shown!below.!
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Optical!Interface!Lanes!and!Assignment!
The!optical!interface!port!is!a!male!MPO!connector!.The!four!fiber!positions!on!the!left!as!shown!below,!with!the!
key!up,!are!used!for!the!optical!transmit!signals!(Channel!1!through!4).!The!fiber!positions!on!the!right!are!used!
for!the!optical!receive!signals!(Channel!4!through!1).!The!central!four!fibers!are!physically!present.!
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Module!Block!Diagram!
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Mechanical!Specifications!
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