Appendix C Interface Specifications; Qsfp Interface - Mellanox Technologies SX6710 Hardware User Manual

Appendix C: Interface Specifications
C.1

QSFP Interface

J3 and J6
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
Connector
Pin Number
19
GND
18
Rx1n
17
Rx1p
16
GND
15
Rx3n
10
14
Rx3p
11
13
GND
12
12
SDA
13
11
SCL
14
10
Vcc Rx
15
9
ResetL
16
8
ModSelL
7
17
GND
6
18
Tx4p
5
Tx4n
19
4
GND
20
3
Tx2p
2
21
Tx2n
1
GND
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Connector
Pin Name
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
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
Mellanox Technologies
Signal Description
53