User Guide

Chapter 4: Installing the 1120E IP
Deskphone
This chapter describes how to install and connect your 1120E IP Deskphone.
Before you begin
Caution:
Do not plug your IP Deskphone into a regular telephone jack. This can result in severe
damage to the IP Deskphone. Consult your system administrator to ensure that you plug
your telephone into a 10/100/1000 BaseT Ethernet jack.
Caution:
Your IP Deskphone is designed for use in an indoor environment only.
Caution:
Do not plug your Avaya 1120E IP Deskphone into an Integrated Service Digital Network
(ISDN) connection. Severe damage to the Avaya 1120E IP Deskphone can result.
Connecting the components
Install your IP Deskphone by completing the following procedures in the order listed:
Removing the stand cover on page 41
Connecting the AC power adapter (optional) on page 41
Connecting the handset on page 42
Connecting the headset (optional) on page 42
Connecting the LAN ethernet cable on page 43
Installing additional cables on page 44
Wall-mounting the IP Deskphone (optional) on page 44
Avaya 1120E IP Deskphone with SIP Software User Guide November 2013 39