Pin No. | Signal | Direction | Description |
1 | DCD | Output | Data Carrier Detect |
2 | TxD | Output | Transmitted Data |
3 | RxD | Input | Received Data |
4 | DSR | Input | Data Set Ready |
5 | GND | Common | Signal Ground |
6 | DTR | Output | Data Terminal Ready |
7 | CTS | Input | Clear to Send |
8 | RTS | Output | Request to Send |
9 | Vcc | Input | DC +5V ~ +12V |
Features