serial interface cable This cable should be used to connect an internal 14.4kbps Speedster modem to a computer.
9 pin D-SUB female connector
to the computer
2 4 6 10 12 14
- [][][][][][][][][][][][][][][] -
1 3 5 7 8 9 11 13 15
| 9 pin | 15 pin | Dir |
|---|---|---|
| Carrier Detect | 1 | 11 |
| Receive Data | 2 | 13 |
| Transmit Data | 3 | 12 |
| Data Terminal Ready | 4 | 10 |
| System Ground | 5 | 1+8+15 |
| Data Set Ready | 6 | 3 |
| Request to Send | 7 | 4 |
| Clear to Send | 8 | 5 |
| Ring Indicator | 9 | 6 |