Nortel 1120 User Manual page 30

Connecting the components
Figure 6: Remove the stand cover
2. Connect the AC power adapter (optional). Connect the adapter to the
AC adapter jack in the bottom of the phone. Form a small bend in the
cable, and then thread the adapter cord through the channels in the
stand.
WARNING
Use your IP Phone 1120E with the approved Nortel AC
Adapter (model # N0089601).
Note 1: The IP Phone 1120E supports both AC power and Power
over LAN options, including IEEE 802.3af Power Classification 3. To
use Power over Ethernet, where power is delivered over the CAT5
cable, the LAN must support Power over Ethernet, and an AC
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