| Номер контакта | Имя | Направление | Описание |
| 1 | CD | < | Carrirer Detect |
| 2 | RXD | < | Receive Data |
| 3 | TXD | > | Transmit Data |
| 4 | DTR | > | Data Terminal Ready |
| 5 | GND | – | System Ground |
| 6 | DSR | < | Data Set Ready |
| 7 | RTS | > | Request to Send |
| 8 | CTS | < | Clear to Send |
| 9 | RI | < | Ring Indicator |
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