This cable is used to connect a Cisco device's console port to a workstation in order to access the device's command-line configuration. This is occasionally referred to as a "rollover" cable, and Cisco-supplied cables are flat and light blue in color.
| Cisco Pin Number |
DB-9 Pin Number |
Description |
|---|---|---|
| 1 | 7 | CTS |
| 2 | 4 | DSR |
| 3 | 3 | RxD |
| 4 | 5 | GND |
| 5 | 5 | GND |
| 6 | 2 | TxD |
| 7 | 6 | DTR |
| 8 | 8 | RTS |
correct
incorrect