Serial Port Pinout
- 31 Mar 2023
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Serial Port Pinout
- Updated on 31 Mar 2023
- 1 Minute to read
- Print
- DarkLight
- PDF
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The tables below provide serial port pinout information.
Cisco-like Pinout
Pin | Signal name | Input/output |
1 | CTS | IN |
2 | DCD | IN |
3 | RxD | IN |
4 | GND | N/A |
5 | GND | N/A |
6 | TxD | OUT |
7 | DTR | OUT |
8 | RTS | OUT |
Legacy Pinout
Pin | Signal name | Input/output |
1 | RTS | OUT |
2 | DTR | OUT |
3 | TxD | OUT |
4 | GND | N/A |
5 | CTS | IN |
6 | RxD | IN |
7 | DCD | IN |
8 | Unused | N/A |
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