Appendix E Qsfp Interface; Table 21: Infiniband Qsfp Connector Pin-Out - Mellanox Technologies Switch-IB User Manual

Appendix E: QSFP Interface
Table 21 - InfiniBand QSFP Connector Pin-out
Connector
Connector
Pin
Pin Name
Number
GND
1
Tx2n
2
3 Tx2p
GND
4
Tx4n
5
Tx4p
6
GND
7
8 ModSelL
ResetL
9
Vcc Rx
10
SCL
11
SDA
12
13 GND
Rx3p
14
Rx3n
15
GND
16
Rx1p
17
18 Rx1n
GND
19
GND
20
Rx2n
21
Rx2p
22
23 GND
Rx4n
24
Rx4p
25
Mellanox Technologies
Signal Description
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Transmitter Inverted Data Input
Transmitter Non-Inverted Data Input
Ground
Module Select
Module Reset
+3.3 V Power supply receiver
2-wire serial interface clock
2-wire serial interface data
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Receiver Non-Inverted Data Output
Receiver Inverted Data Output
Ground
Ground
Receiver Inverted Data Output 3
Receiver Non-Inverted Data Output 3
Ground
Receiver Inverted Data Output 3
Receiver Non-Inverted Data Output 3
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