connector or cable wiring Baytech RPC-3 RJ45 to DB9 null modem serial cable
8 pin RJ45 (8P8C) male
connector to the Baytech RPC-3 EIA-232 connector
9 pin D-SUB female
connector to the PC serial port
| Baytech RPC-3 EIA-232 connector Name | Baytech RPC-3 EIA-232 connector Pin | Direction | PC serial port Pin | PC serial port Name | Description |
|---|---|---|---|---|---|
| rpc-3 TX | 4 | → | 2 | pc RX | |
| rpc-3 RX | 5 | ← | 3 | pc TX | |
| rpc-3 RTS | 3 | → | 8 | pc CTS | |
| rpc-3 DTR | 1 | → | 6 | pc DSR | |
| GND | 2 | — | 5 | GND | |
| rpc-3 CD | 8 | ← | 1 | CP |