Interface Specifications; Qsfp28 Pin Description - Nvidia Mellanox SB7700 Hardware User Manual

Interface Specifications

QSFP28 Pin Description

QSFP Pin Description
Connector Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
Pin Name
GND
Tx2n
Tx2p
GND
Tx4n
Tx4p
GND
Mod-SelL
ResetL
Vcc Rx
SCL
SDA
GND
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
45