RS-232 - RS-232 connection between two DTE devices
This cable allows you to connect two DTE devices (for instance two desktops or external devices).
 | D25 pin connector on Side 1 |
| D25 pin connector on Side 2 |
| RS-232 DB25-1 | RS-232 DB25-2 | ||
|---|---|---|---|
| Receive Data | 3 | 2 | Transmit Data |
| Transmit Data | 2 | 3 | Receive Data |
| Data Terminal Ready | 20 | 6+8 | Data Set Ready + Carrier Detect |
| System Ground | 7 | 7 | System Ground |
| Data Set Ready + Carrier Detect | 6+8 | 20 | Data Terminal Ready |
| Request to Send | 4 | 5 | Clear to Send |
| Clear to Send | 5 | 4 | Request to Send |
Note: It is necessary to jumper DSR & CD to show that another side (computer or device) is online.
Our software allows you monitor, log, debug and test your RS232 or COM ports.
RS-232 - RS-232 related links
- If your devices use other connectors (for example, DB-9 pin) look here: RS232 to RS232 connection using DB9 connectors.
- Serial port - Serial port. Possible connections. DTE-DCE, DTE-DTE.
- RS232 port connector with all pins.