B-13
Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide
OL-10100-11
Appendix B Cable and Connector Specifications
Console Port Cabling Specifications and Pinouts
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-12 lists the pinouts for the asynchronous serial console
port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 male DCE adapter.
Console Port Mode 2 Signaling and Pinouts (Sup2 Only)
Table B-13 lists the pinouts for the Supervisor Engine 2 console port mode switch in mode 2 (switch in
the out position). In this mode, you can connect a terminal to the supervisor engine using a Catalyst 5000
family Supervisor Engine III console cable and adapter (not provided). For instructions, see “Supervisor
Engine 2” in the “Connecting a Terminal” section on page 3-9.
Table B-12 Console Port Modem Adapter Pinouts
Console Port
RJ-45-to-RJ-45
Rollover Cable
RJ-45-to-DB-25
Modem Adapter Modem
Signal RJ-45 Pin RJ-45 Pin DB-25 Pin Signal
RTS 1
1
1. Pin 1 is connected internally to Pin 8.
84 RTS
DTR 2 7 20 DTR
TxD 3 6 3 TxD
GND 4 5 7 GND
GND 5 4 7 GND
RxD 6 3 2 RxD
DSR 7 2 8 DCD
CTS 8
1
15 CTS
Table B-13 Console Port Pinouts (Supervisor Engine 2, Port Mode Switch Out)
Console Port Console Device
Pin (Signal Name) Input/Output
1 (RTS)
1
1. Pin 1 is connected internally to Pin 8.
Output
2 (DTR) Output
3 (RxD) Input
4 (GND) GND
5 (GND) GND
6 (TxD) Output
7 (DSR) Input
8 (CTS)
1
Input
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