B-9
Cisco 7600 Series Router Installation Guide
OL-4503-26
Appendix B Connector and Cable Specifications
Cable Specifications
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-4 lists 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.
Modem Adapter
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 male DCE adapter (labeled “Modem”) to
connect the console port to a modem.
Table B-5 lists the pinouts for the asynchronous serial auxiliary
port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 male DCE adapter.
Ta b l e B-3 Port Mode 1 Signaling and Pinouts (DB-9 Adapter)
Console Port
RJ-45-to-RJ-45
Rollover Cable
RJ-45-to-DB-9
Terminal Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-9 Pin Signal
RTS 1
1
1. Pin 1 is connected internally to Pin 8.
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 8
1
1 7 RTS
Ta b l e B-4 Port Mode 1 Signaling and Pinouts (DB-25 Adapter)
Console Port RJ-45-to-RJ-45 Rollover Cable
RJ-45-to-DB-25
Terminal
Adapter
Console
Device
Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal
RTS 1
1
1. Pin 1 is connected internally to Pin 8.
8 5 CTS
DTR 2 7 6 DSR
TxD 3 6 3 RxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 TxD
DSR 7 2 20 DTR
CTS 8
1
1 4 RTS