Cisco 9971 - Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager

The following figure shows how the bracket attaches to the phone.
Figure 19: Attach Phone Bracket
Step 3
Attach the cables to the phone:
a) Attach the Ethernet cable to the 10/100/1000 SW network port and wall jack.
b) (Optional) If you are connecting a network device (such as a computer) to the phone, attach the cable to
the 10/100/1000 Computer (PC access) port.
c) (Optional) If you are using an external power supply, plug the power cord into the phone and dress the
cord by clipping it into the clips that are incorporated into the phone body next to the PC port.
d) (Optional) If the cables terminate inside the wall bracket, connect the cables to the jacks.
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
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Non-Lockable Wall Mount Components for Phone