Cisco 6800 Series Administration Manual page 130

Install a Cisco IP Phone 6841, 6851, or 6861 with the Wall Mount Kit
Step 8 Attach the bracket to the phone with the M3-7L screws provided.
Step 9 If you use the power adapter, plug the adapter into the phone and thread the cable through the closest notch
in the bottom of the bracket.
Step 10
Plug the LAN cable into the phone and thread the cable through a notch in the bottom of the bracket.
Step 11 Place the bracket over the wall screws and pull the phone down until it is seated securely. You may need to
remove the phone and loosen or tighten the wall screws to make the phone and bracket stable.
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
116
Phone Accessories