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RS232 Pinouts
RS232 DB25 Pinouts
| Pin 1 | Protective Ground |
| Pin 2 | Transmit Data |
| Pin 3 | Received Data |
| Pin 4 | Request To Send |
| Pin 5 | Clear To Send |
| Pin 6 | Data Set Ready |
| Pin 7 | Signal Ground |
| Pin 8 | Data Carrier Detect |
| Pin 20 | Data Terminal Ready |
| Pin 22 | Ring Indicator |
RS232 DB9 Pinouts
| Pin 1 | Data Carrier Detect |
| Pin 2 | Received Data |
| Pin 3 | Transmit Data |
| Pin 4 | Data Terminal Ready |
| Pin 5 | Signal Ground |
| Pin 6 | Data Set Ready |
| Pin 7 | Request To Send |
| Pin 8 | Clear To Send |
| Pin 9 | Ring Indicator |
RS232 RJ-45 Pinouts
| Pin 1 | Data Set Ready / Ring Indicator |
| Pin 2 | Data Carrier Detect |
| Pin 3 | Data Terminal Ready |
| Pin 4 | Signal Ground |
| Pin 5 | Received Data |
| Pin 6 | Transmit Data |
| Pin 7 | Clear To Send |
| Pin 8 | Request To Send |
Bookmark RS232 Pinouts
