Rev 1.9
61
Mellanox Technologies
Appendix A: Interface Connectors Pinouts
A.1
QSFP28 Connector Pinouts
Figure 5: Connector and Cage Views
Table 12 - Connector Pin Number and Name to Signal Name Map
Pin
Symbol Name
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
