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Overview

This document describes the steps for installing your Cisco 1721 router with its complement of WAN interface cards (WICs).

Additional documentation can be found on Cisco.com.

Product Serial Number Location

The serial number label for Cisco 1721 router is located on the rear of the chassis, to the right of the power switch.

Parts List

Your router package should include the following items:

• One Cisco 1721 router

• One blue RJ-45-to-DB-9 console cable

• One DB-9-to-DB-25 adapter

• One black power supply

• One black power supply cord

• Product documentation

Items You Need to Provide

Depending on your network environment, you may need to provide some of the following items to install the router:

• Ethernet hub or switch to connect the router to the local network

• Straight-through Ethernet cables (RJ-45-to-RJ-45) to connect the router to a broadband (xDSL or cable) modem and to a

hub or switch

• Cisco WIC(s), if you did not order the router with WICs already installed

• Cables to connect WICs to the appropriate WAN services

• External NT-1 or data service unit/channel service unit (DSU/CSU), if needed, to connect a WIC to WAN services

Follow these steps to connect the router to the power supply:

Connect the attached power supply cord to the power socket (labeled +5, +12, -12 VDC) on the back panel of the

Step 1

router, as shown in Figure 1.