Chapter 3 Installing and Connecting the Router

Connecting WAN, LAN, and Voice Interfaces

Figure 3-9 Connecting a Modem to the Cisco ISR 4451-X

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RJ-45 AUX port

 

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RJ-45 to DB-9

 

 

 

 

 

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DB-9 to DB-25 adapter

 

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Modem

 

 

 

 

 

Step 2 Connect the DB-9 end of the console cable to the DB-9 end of the modem adapter.

Step 3 Connect the DB-25 end of the modem adapter to the modem.

Step 4 Make sure that your modem and the router auxiliary port are configured for the same transmission speed (up to 115200 bps is supported) and for mode control with data carrier detect (DCD) and data terminal ready (DTR) operations.

Connecting WAN, LAN, and Voice Interfaces

This section describes how to connect WAN, LAN, and voice interface cables. It covers the following topics:

Ports and Cabling, page 3-22

Connection Procedures and Precautions, page 3-22

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity.

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Cisco 4400 Series Hardware Installation Guide

 

 

 

 

 

 

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Cisco Systems ISR4451XK9 manual Connecting WAN, LAN, and Voice Interfaces, Connecting a Modem to the Cisco ISR