Appendix B Connector and Cable Specifications
Cable Specifications
DB-9 Adapter (for Connecting to a PC)
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-9 female DTE adapter (labeled “Terminal”) to connect the console port to a PC running terminal emulation software. Table B-2lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter.
Table B-2 Port Mode 1 Signaling and Pinouts (DB-9 Adapter)
| RJ-45-to-RJ-45 | RJ-45-to-DB-9 | Console |
Console Port | Rollover Cable | Terminal Adapter | Device |
| | | | |
Signal | RJ-45 Pin | RJ-45 Pin | DB-9 Pin | Signal |
| | | | |
RTS | 11 | 8 | 8 | CTS |
DTR | 2 | 7 | 6 | DSR |
| | | | |
TxD | 3 | 6 | 2 | RxD |
| | | | |
GND | 4 | 5 | 5 | GND |
| | | | |
GND | 5 | 4 | 5 | GND |
| | | | |
RxD | 6 | 3 | 3 | TxD |
| | | | |
DSR | 7 | 2 | 4 | DTR |
| | | | |
CTS | 81 | 1 | 7 | RTS |
1. Pin 1 is connected internally to Pin 8.
DB-25 Adapter (for Connecting to a Terminal)
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 female DTE adapter (labeled “Terminal”) to connect the console port to a terminal. Table B-3lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter.
| Cisco 7609 Internet Router Installation Guide |
B-10 | OL-5079-04 |
