Ethernet connection
The connection to the Ethernet bus is made via an RJ45 plug (a Western plug).
Pin assignment of the RJ45 plug
PIN | Signal | Description |
---|---|---|
1 | TD + | Transmit + |
2 | TD - | Transmit - |
3 | RD + | Receive + |
4 | - | reserved |
5 | - | reserved |
6 | RD - | Receive - |
7 | - | reserved |
8 | - | reserved |
Direct connection between PC with Ethernet card and BC9191
The BC9191 supports auto-crossing. A crossed or an uncrossed Ethernet cable can be used to connect a PC directly to the BC9191. The internal switch in the BC9191 detects this automatically.