Table 5 - InfiniBand QSFP Connector Pinout
Connector
Pin Number
Connector
Pin Name
Signal Description
1 GND Ground
2 Tx2n Transmitter Inverted Data Input
3 Tx2p Transmitter Non-Inverted Data Input
4 GND Ground
5 Tx4n Transmitter Inverted Data Input
6 Tx4p Transmitter Non-Inverted Data Input
7 GND Ground
8 ModSelL Module Select
9 ResetL Module Reset
10 Vcc Rx +3.3 V Power supply receiver
11 SCL 2-wire serial interface clock
12 SDA 2-wire serial interface data
13 GND Ground
14 Rx3p Receiver Non-Inverted Data Output
15 Rx3n Receiver Inverted Data Output
16 GND Ground
17 Rx1p Receiver Non-Inverted Data Output
18 Rx1n Receiver Inverted Data Output
19 GND Ground
20 GND Ground
21 Rx2n Receiver Inverted Data Output 3
22 Rx2p Receiver Non-Inverted Data Output 3
23 GND Ground
24 Rx4n Receiver Inverted Data Output 3
25 Rx4p Receiver Non-Inverted Data Output 3
26 GND Ground
27 ModPrsL Module Present
28 IntL Interrupt
29 Vcc Tx +3.3 V Power supply transmitter
30 Vcc 1 +3.3 V Power Supply
31 LPMode Low Power Mode
32 GND Ground
33 Tx3p Transmitter Non-Inverted Data Input
34 Tx3n Transmitter Inverted Data Input
35 GND Ground
36 Tx1p Transmitter Non-Inverted Data Input
37 Tx1n Transmitter Inverted Data Input
38 GND Ground
