25 Pins | 9 Pins | Signal | Richtung | Bedeutung |
---|---|---|---|---|
1 | - | PG | - | Protective |
2 | 2 | TD | Eingabe | Transceive data |
3 | 3 | RD | Ausgabe | Receive data |
4 | 7 | RTS | Eingabe | Request to send |
5 | 5 | CTS | Ausgabe | Clear to send |
6 | 6 | DSR | Ausgabe | Data set readily |
7 | - | GND | - | Signal ground |
8 | 1 | DCD | Ausgabe | Data carrier detect |
9-19 | - | NC | - | Not connected |
20 | 4 | DTR | Eingabe | Data terminal ready |
21 | - | NC | - | Not connected |
22 | 9 | RI | Ausgabe | Ring indicator |
23 | - | NC | - | Not connected |
24 | - | NC | - | Not connected |
25 | - | NC | - | Not connected |