Pin Description
Pin # | Connector Pin Name | Descriptions |
1 | VeeT | Module Transmitter Ground |
2 | Tx_Fault | Module Transmitter Fault |
3 | Tx_Disable | Transmitter Disable. Turns off transmitter laser output |
4 | SDA | 2-wire Serial Interface Data Line |
5 | SCL | 2-wire Serial Interface Clock |
6 | Mod_ABS | Module Absent. Grounded within the module |
7 | RS0 | Rate Select 0, optionally controls SFP+ module receiver |
8 | Rx_LOS | Receiver Loss of Signal Indication |
9 | RS1 | Rate Select 1, optionally controls SFP+ module transmitter |
10 | VeeR | Module Receiver Ground |
11 | VeeR | Module Receiver Ground |
12 | RD- | Receiver Inverted Data Output |
13 | RD+ | Receiver Non-Inverted Data Output |
14 | VeeR | Module Receiver Ground |
15 | VccR | Module Receiver Power Supply |
16 | VccT | Module Transmitter Power Supply |
17 | VeeT | Module Transmitter Ground |
18 | TD+ | Transmitter Non-Inverted Data Input. AC coupled |
19 | TD- | Transmitter Inverted Data Input. AC coupled |
20 | VeeT | Module Transmitter Ground |
SFP28 Module Pad Layout
![image2021-10-4_12-24-45.png](https://docscontent.nvidia.com/dims4/default/f6193aa/2147483647/strip/true/crop/450x244+0+0/resize/450x244!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fconfluence%2F00000187-94ca-d3c2-a7af-9fde84590000%2Fimages%2Fnetworking%2Fdownload%2Fattachments%2F58765455%2Fimage2021-10-4_12-24-45.png)