User Guide

Figure 8: Remove the stand cover
Connecting the AC power adapter (optional)
Your IP Deskphone supports AC power and Power over Ethernet (PoE) options, including
IEEE 802.3af standard power. For AC power, use the Avaya AC adapter only. You can order
the optional Avaya AC adapter (N0023000) separately.
Warning:
Use only the approved Avaya AC Adapter (model #N0023000) with your IP Deskphone.
To connect the AC adapter to the AC adapter jack in the bottom of the IP Deskphone use the
following procedure:
1. Form a small bend in the cable.
2. Thread the adapter cord through the channels in the stand.
To use PoE, your connected LAN must support PoE. A PoE-enabled LAN delivers power to
your IP Deskphone over the CAT-5 network cable and an AC adapter is not required.
Warning:
If you are connected to a PoE connection do not use the AC power adapter.
To use gigabit Ethernet, you must connect to the LAN through CAT-5e (or later) cables.
Installing the 1120E IP Deskphone
42 Avaya 1120E IP Deskphone with SIP Software on Avaya Aura
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User Guide November 2013
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