Nortel 1120E User Manual page 31

Figure 6: Remove the stand cover
2. Connect the global power supply (optional). Connect the global power
supply 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 NTYS17BAE6).
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 CAT5e
cable, the LAN must support Power over Ethernet, and an AC
Connecting the components
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