Mellanox Technologies Spectrum SN2010 User Manual

Rev 2.2 92Mellanox Technologies
Appendix C: Interface Specifications
C.1 QSFP28 Pin Description
Table 31 - QSFP Pin Description 1-20
Connector
Pin
Number
Symbol Signal Description
1 GND Ground
2
Tx2n Connected to Port 2 lane Rx
Inverted Data
3
Tx2p Connected to Port 2 lane Rx
Non-Inverted Data
4 GND Ground
5
Tx4n Connected to Port 4 lane Rx
Inverted Data
6
Tx4p Connected to Port 4 lane Rx
Non-Inverted Data
7 GND Ground
8
Mod-
SelL
Cable/Module Select
9 ResetL Cable/Module Reset
10 Vcc Rx +3.3 V Power supply receiver
11 SCL 2-wire serial interface clock
12 SDA 2-wire serial interface data
13 GND Ground
14
Rx3p Connected to Port 3 lane Tx
Non-Inverted Data
15
Rx3n Connected to Port 3 lane Tx
Inverted Data
16 GND Ground
17
Rx1p Connected to Port 1 lane Tx
Non-Inverted Data
18
Rx1n Connected to Port 1 lane Tx
Inverted Data
19 GND Ground
20 GND Ground
GND
Rx2n
GND
1
2
3
4
5
6
7
8
9
10
11
12
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
Rx1n
Rx2p
Rx1p
GND
GND
GND
GND
GND
GND
Tx2n
Tx1n
Tx2pTx1p
Tx4n
Tx3n
Tx4p
Tx3p
GND
GND
Rx4n
Rx3n
Rx4p
Rx3p
GND
GND
SDA
SCL
Vcc Rx
ResetL
ModSelLLPMode
Vcc1
VccTx
IntL
ModPrsL
J3 and J6
GND
Rx2n
GND
1
2
3
4
5
6
7
8
9
10
11
12
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
Rx1n
Rx2p
Rx1p
GND
GND
GND
GND
GND
GND
Tx2n
Tx1n
Tx2pTx1p
Tx4n
Tx3n
Tx4p
Tx3p
GND
GND
Rx4n
Rx3n
Rx4p
Rx3p
GND
GND
SDA
SCL
Vcc Rx
ResetL
ModSelLLPMode
Vcc1
VccTx
IntL
ModPrsL
J3 and J6

Mellanox Technologies Spectrum SN2010 Specifications

General

Brand	Mellanox Technologies
Model	Spectrum SN2010
Category	Switch
Language	English