Rev 1.0
Appendix B: QSFP Interface
20 | GND | GND | 19 | |
21 | 18 | |||
Rx2n | Rx1n | |||
22 | 17 | |||
Rx2p | Rx1p | |||
23 | 16 | |||
GND | GND | |||
24 | 15 | |||
Rx4n | Rx3n | |||
25 | 14 | |||
Rx4p | Rx3p | |||
26 | 13 | |||
GND | GND | |||
27 | 12 | |||
ModPrsL | SDA | |||
28 | 11 | |||
IntL | SCL | |||
29 | 10 | |||
VccTx | Vcc Rx | |||
30 | 9 | |||
Vcc1 | ResetL | |||
31 | 8 | |||
LPMode | ModSelL | |||
32 | 7 | |||
GND | GND | |||
33 | 6 | |||
Tx3p | Tx4p | |||
34 | 5 | |||
Tx3n | Tx4n | |||
35 | 4 | |||
GND | GND | |||
36 | 3 | |||
Tx1p | Tx2p | |||
37 | 2 | |||
Tx1n | Tx2n | |||
38 | 1 | |||
GND | GND | |||
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Table 3- InfiniBand QSFP Connector Pinout
Connector | Connector | Signal Description |
Pin | Pin Name | |
Number |
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1 | GND | Ground |
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2 | Tx2n | Transmitter Inverted Data Input |
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3 | Tx2p | Transmitter |
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4 | GND | Ground |
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5 | Tx4n | Transmitter Inverted Data Input |
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6 | Tx4p | Transmitter |
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7 | GND | Ground |
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8 | ModSelL | Module Select |
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9 | ResetL | Module Reset |
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10 | Vcc Rx | +3.3 V Power supply receiver |
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11 | SCL | |
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12 | SDA | |
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13 | GND | Ground |
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14 | Rx3p | Receiver |
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15 | Rx3n | Receiver Inverted Data Output |
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16 | GND | Ground |
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17 | Rx1p | Receiver |
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18 | Rx1n | Receiver Inverted Data Output |
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19 | GND | Ground |
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20 | GND | Ground |
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21 | Rx2n | Receiver Inverted Data Output 3 |
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22 | Rx2p | Receiver |
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23 | GND | Ground |
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24 | Rx4n | Receiver Inverted Data Output 3 |
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25 | Rx4p | Receiver |
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26 | GND | Ground |
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27 | ModPrsL | Module Present |
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28 | IntL | Interrupt |
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29 | Vcc Tx | +3.3 V Power supply transmitter |
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30 | Vcc 1 | +3.3 V Power Supply |
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31 | LPMode | Low Power Mode |
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32 | GND | Ground |
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33 | Tx3p | Transmitter |
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34 | Tx3n | Transmitter Inverted Data Input |
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35 | GND | Ground |
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36 | Tx1p | Transmitter |
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37 | Tx1n | Transmitter Inverted Data Input |
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38 | GND | Ground |
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Mellanox Technologies
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