RS232
The COM1 serial interface (X102) is fed out via a 9-pin standard D-sub connector. The signals comply with the RS232 standard. The port address and the used interrupt are configured automatically, but can also be set manually with the help of the BIOS setup if required.
Pin | Signal | Description |
|---|---|---|
1 | DCD | Data Carrier Detect |
2 | RxD | Receive Data |
3 | TxD | Transmit Data |
4 | DTR | Data Terminal Ready |
5 | GND | Ground |
6 | DSR | Data Set Ready |
7 | RTS | Request to Send |
8 | CTS | Clear to Send |
9 | RI | Ring Indicator |