RS232
The COM1 serial interface (X100) is fed out via a 12-pin round connector. The signals comply with the RS232 standard. The interface is used to connect serial peripheral devices.
The C9900-K234 adapter cable is supplied with the panel PC. This allows you to connect serial peripheral devices with standard D-sub connector.
Pin | Signal | Description |
|---|---|---|
1 | DCD | Data Carrier Detect |
2 | DSR | Data Set Ready |
3 | RxD | Receive Data |
4 | RTS | Request to Send |
5 | TxD | Transmit Data |
6 | CTS | Clear to Send |
7 | DTR | Data Terminal Ready |
8 | RI | Ring Indicator |
9 | GND | Ground |
10 | NC | not used |
11 | NC | not used |
12 | NC | not used |