User manual
Rev 1.5
Mellanox Technologies
43
B.3 PCI Express Connector Pinout
B.4 QSFP Connector Pinout
Figure 12: Connector and Cage Views
Table 16 - Connector Pin Name and Number to Signal Name Correspondence
Connector Pin Number Connector Pin Name Port A Signal Name
1 GND GND
2 TXN_2 Tx2n
3 TXP_2 Tx2p
4 GND GND
5 TXN_4 Tx4n
6 TXP_4 Tx4p
7 GND GND
8 ModSelL_Port0 ModSelL
9 ResetL_Port0 ResetL
10 VccRx
11 SCL SCL
12 SDA SDA
18.35
8.50
Top
ResetL
SDA
SCL
ModSelL
RX3p
TX2n
GND
VccRx
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
TX2p
GND
TX4n
TX4p
GND
1
1
1
1
1
1
1
1
1
1
20
GND
GND
GND
RX3n
RX1p
RX1n
30
1
2
3
4
5
6
7
8
9
2
2
2
2
2
2
2
2
2
1
2
3
4
5
6
7
8
3
3
3
3
3
3
3
3
RX4p
GND
GND
GND
RX4n
RX2p
RX2n
TX1n
GND
TX1p
GND
TX3n
TX3p
GND
IntL
ModPrsL
VccTx
Vcc1
LPMode
18.35
8.50
Top
ResetL
SDA
SCL
ModSelL
RX3p
TX2n
GND
VccRx
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
TX2p
GND
TX4n
TX4p
GND
1
1
1
1
1
1
1
1
1
1
20
GND
GND
GND
RX3n
RX1p
RX1n
30
RX4p
GND
GND
GND
RX4n
RX2p
RX2n
TX1n
GND
TX1p
GND
TX3n
TX3p
GND
IntL
ModPrsL
VccTx
Vcc1
LPMode
1
2
3
4
5
6
7
8
3
3
3
3
3
3
3
3
1
2
3
4
5
6
7
8
9
2
2
2
2
2
2
2
2
2
View into Front of Cage
View into Rear
of Module