Cisco CISCO1721 Installation Guide download pdf (Page 67)

B-3

Cisco 1721 Router Hardware Installation Guide

78-13834-02

Appendix B Cabling Specifications

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

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 91 92

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Cisco CISCO1721 Installation Guide Page 67