Cisco 6800 Series Administration Manual page 126

Install the Cisco IP Phone 6821 Multiplatform Phones on a Wall
Figure 8: RJ45 Connector in the Wall Mount Jack
1
2
Step 5
Press the LAN cable into one of the cable channels.
Step 6 (Optional) If you do not use PoE, plug the power adapter into the phone and the electrical outlet, and press
the power cable into the other cable channel.
Step 7
Slip the mounting holes on the phone over the wall mount pins as shown in the following figure.
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
112
Network Port on the Phone
RJ45 Connector
3 Wall Mount Plate
4 Network Port on the Wall Mount Plate
Phone Accessories