
SFP Transceiver Electrical Pad Layout
Pin Function Definitions
| Pin Num. | Name | Function | Plug Seq. | Notes | |
| 1 | VeeT | Transmitter Ground | 1 | 
 | |
| 2 | TX Fault | Transmitter Fault Indication | 3 | Note 1 | |
| 3 | TX Disable | Transmitter Disable | 3 | Note 2 | |
| Module disables on high or open | |||||
| 
 | 
 | 
 | 
 | ||
| 4 | 
 | Module Definition 2 | 3 | Note 3, 2 wire serial ID interface | |
| 5 | Module Definition 1 | 3 | Note 3, 2 wire serial ID interface | ||
| 6 | 
 | Module Definition 0 | 3 | Note 3, Grounded in Module | |
| 7 | Rate Select | Not Connect | 3 | Function not available | |
| 8 | LOS | Loss of Signal | 3 | Note 4 | |
| 9 | VeeR | Receiver Ground | 1 | Note 5 | |
| 10 | VeeR | Receiver Ground | 1 | Note 5 | |
| 11 | VeeR | Receiver Ground | 1 | Note 5 | |
| 12 | RD- | Inv. Received Data Out | 3 | Note 6 | |
| 13 | RD+ | Received Data Out | 3 | Note 7 | |
| 14 | VeeR | Receiver Ground | 1 | Note 5 | |
| 15 | VccR | Receiver Power | 2 | 3.3 ± 10%, Note 7 | |
| 16 | VccT | Transmitter Power | 2 | 3.3 ± 10%, Note 7 | |
| 17 | VeeT | Transmitter Ground | 1 | Note 5 | |
| 18 | TD+ | Transmit Data In | 3 | Note 8 | |
| 19 | TD- | Inv. Transmit Data In | 3 | Note 8 | |
| 20 | VeeT | Transmitter Ground | 1 | Note 5 | 
Plug Seq.: Pin engagement sequence during hot plugging.
| 4 | Aug., 2006 | 
| 
 | Rev. 0A | 
| DELTA ELECTRONICS, INC. | www.deltaww.com | 
