3
Complete the information below, and keep it for reference.
2 Overview
This document describes the steps for installing the Cisco 1811 and the Cisco 1812 integrated services routers. The Cisco 1811
and Cisco 1812 routers are fixed-configuration routers. They each include an integrated 8-port 10/100-Mbps Ethernet switch,
two onboard Fast Ethernet WAN ports, two dual USB 2.0 ports, and optional 802.11a/b/g wireless LAN support. The switch
ports and the onboard 10/100-Mbps Ethernet ports support 802.1Q virtual LAN (VLAN) encapsulation and enable you to
configure demilitarized zones (DMZs), using VLANs and Cisco IOS firewall features. The switch ports are also optionally
upgradable to include inline power support for IP phones.
The Cisco 1811 and Cisco 1812 integrated services routers provide secure Internet connectivity and dial backup if your primary
connection fails. The Cisco 1811 router provides dial backup through a V.92 analog modem port. The Cisco 1812 router
provides dial backup through an ISDN S/T port.
Additional documentation can be found on Cisco.com.
Product Serial Number Location
The serial number label for the Cisco 1811 and Cisco 1812 routers is located on the back of the chassis, above and to the right
of the power switch. You need this serial number when calling Cisco for support. To see specifically where the serial label is on
your router, go to the following link:
http://tools.cisco.com/Support/CPI/index.do
3 Unpacking the Box
When you unpack the box containing your Cisco 1811 or Cisco 1812 router, you should find the items shown in Figure 1.
Note The Cisco 1811 and Cisco 1812 routers have a wireless upgradable option. If this option is chosen, an antenna kit
should have been shipped with your router in addition to the items listed in Figure 1.
Company product purchased from
Company telephone number
Product model number
Product serial number
Maintenance contract number