Appendix C Qsfp Interface; Table 13: Infiniband Qsfp Connector Pinout - Mellanox Technologies IS5025D-1BRC User Manual

Rev 2.9
Appendix C: QSFP Interface
20
GND
21
Rx2n
22
Rx2p
23
GND
24
Rx4n
25
Rx4p
26
GND
27
ModPrsL
28
IntL
29
VccTx
30
Vcc1
31
LPMode
32
GND
33
Tx3p
34
Tx3n
35
GND
36
Tx1p
37
Tx1n
38
GND
68
Mellanox Technologies
19
GND
18 Table 13 - InfiniBand QSFP Connector Pinout
Rx1n
17
Rx1p
Connector
16
GND
Pin
15
Rx3n Number
14
Rx3p
1
13
GND
2
12
SDA
3
11
SCL
4
10
Vcc Rx
5
9
ResetL
6
8
ModSelL
7
7
GND
8
6
Tx4p
9
5
Tx4n
4
10
GND
3
Tx2p
11
2
Tx2n
12
1
GND
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Connector
Signal Description
Pin Name
GND Ground
Tx2n Transmitter Inverted Data Input
Tx2p Transmitter Non-Inverted Data Input
GND Ground
Tx4n Transmitter Inverted Data Input
Tx4p Transmitter Non-Inverted Data Input
GND Ground
ModSelL Module Select
ResetL Module Reset
Vcc Rx +3.3 V Power supply receiver
SCL 2-wire serial interface clock
SDA 2-wire serial interface data
GND Ground
Rx3p Receiver Non-Inverted Data Output
Rx3n Receiver Inverted Data Output
GND Ground
Rx1p Receiver Non-Inverted Data Output
Rx1n Receiver Inverted Data Output
GND Ground
GND Ground
Rx2n Receiver Inverted Data Output 3
Rx2p Receiver Non-Inverted Data Output 3
GND Ground
Rx4n Receiver Inverted Data Output 3
Rx4p Receiver Non-Inverted Data Output 3
GND Ground
ModPrsL Module Present
IntL Interrupt
Vcc Tx +3.3 V Power supply transmitter
Vcc 1 +3.3 V Power Supply
LPMode Low Power Mode
GND Ground
Tx3p Transmitter Non-Inverted Data Input
Tx3n Transmitter Inverted Data Input
GND Ground
Tx1p Transmitter Non-Inverted Data Input
Tx1n Transmitter Inverted Data Input
GND Ground