Interface Specifications; Qsfp28 Pin Description - Nvidia Spectrum SN2000 Hardware User Manual

Interface Specifications

QSFP28 Pin Description

QSFP Pin Description
Connector Pin Number
1
2
3
4
5
6
7
8
9
10
Symbol
GND
Tx2n
Tx2p
GND
Tx4n
Tx4p
GND
Mod-SelL
ResetL
Vcc Rx
Signal Description
Ground
Connected to Port 2 lane Rx
Inverted Data
Connected to Port 2 lane Rx
Non-Inverted Data
Ground
Connected to Port 4 lane Rx
Inverted Data
Connected to Port 4 lane Rx
Non-Inverted Data
Ground
Cable/Module Select
Cable/Module Reset
+3.3 V Power supply receiver
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