Console Cable And Adapter - Cisco 1721 - VPN Security Router Bundle Hardware Installation Manual

Appendix B Cabling Specifications

Console Cable and Adapter

78-13834-02
A console cable is provided with your router. Use this cable to connect the router
to a PC or terminal. The router comes with a DB-9-to-DB-25 adapter that may be
used for connecting the router to a modem, using the console cable.
Table B-3 describes the wiring for the console port and the console cable. This
table also includes pinouts for the DB-9-to-DB-25 adapter.
Table B-3 Console Cable and Adapter Pinouts
Console Console
(DTE) Port
Signal RJ-45 Pin
RTS 1
DTR 2
TXD 3
GND 4
GND 5
RXD 6
DSR 7
CTS 8
Console
Cable Adapter
DB-9 Pin DB-25 Pin
8 5
6 8
2 3
5 7
5 7
3 2
4 20
7 4
Cisco 1721 Router Hardware Installation Guide
Console Cable and Adapter
Terminal
(DTE)
Signal
CTS
DSR
RXD
GND
GND
TXD
DTR
RTS
B-3