Cisco 1721 - Manual (Page 67)

B-3
Cisco 1721 Router Hardware Installation Guide
78-13834-02
Appendix B Cabling Specifications
Console Cable and Adapter
Console Cable and Adapter
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
(DTE) Console
Port Console
Cable
Adapter
Terminal
(DTE)
Signal RJ-45 Pin DB-9 Pin DB-25 Pin Signal
RTS 1 8 5 CTS
DTR 2 6 8 DSR
TXD 3 2 3 RXD
GND 4 5 7 GND
GND 5 5 7 GND
RXD 6 3 2 TXD
DSR 7 4 20 DTR
CTS 8 7 4 RTS