
Optical Fiber Cable Connectors 69
Tx = Send data Rx = Receive data BI = I-directional data.
Tabl e 50 lists RJ-45 MDI-X Port Pin-outs.
Optical Fiber Cable ConnectorsFigure 42 illustrates the SC optical fiber cable connector.
Figure 42 SC Optical Fiber Connector
3Rx+ Receive data BIDB+ Send data to direction B
4Reserved -BIDC+ Receive data from direction C
5Reserved -BIDC- Send data to direction C
6Rx- Receive data BIDB- Receive data from direction B
7Reserved -BIDD+ Send data to direction D
8Reserved -BIDD- Receive data from direction D
Tabl e 50 RJ-45 MDI-X Port Pinouts
Pinout 10BASE-T/100 BASE-TX 1000BASE-T
Signal Function Signal Function
1Rx+ Receive data BIDB+ Send data to direction B
2Rx- Receive data BIDB- Receive data from direction B
3Tx+ Send data BIDA+ Send data to direction A
4Reserved -BIDD+ Receive data from direction D
5Reserved -BIDD- Send data to direction D
6Tx- Send data BIDA- Receive data from direction A
7Reserved -BIDC+ Send data to direction C
8Reserved -BIDC- Receive data from direction C
Table 49 RJ-45 MDI Port Pin-outs (continued)
Pinout 10BASE-T/100BASE-TX 1000BASE-T