RS232
The serial interface (X109) is fed out via a 9-pin standard DSUB connector. The signals comply with the RS232 standard. The port address and the interrupt used are set with the help of the BIOS setup.
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 |