serial interface cable This cable should be used for DTE to DCE (for instance computer to modem) connections without hardware handshaking.
25 pin D-SUB female
connector to the Computer
25 pin D-SUB male connector
to the Modem
| Female | Male | Dir |
|---|---|---|
| Shield Ground | 1 | 1 |
| Transmit Data | 2 | 2 |
| Receive Data | 3 | 3 |
| System Ground | 7 | 7 |
| Jumper these: | ||
| Request to Send | 4 | |
| Clear to Send | 5 | |
| Data Set Ready | 6 | |
| Carrier Detect | 8 | |
| Data Terminal Ready | 20 | |
| Request to Send | 4 | |
| Clear to Send | 5 | |
| Data Set Ready | 6 | |
| Carrier Detect | 8 | |
| Data Terminal Ready | 20 |