Cisco 8821 Administration Manual page 96

Secure the Charger with a Cable Lock
Procedure
Step 1 Take the looped end of the cable lock and wrap it around the object to which you want to secure your phone.
Step 2 Pass the lock through the looped end of the cable.
Step 3 Unlock the cable lock.
Step 4
Press and hold the locking button to align the locking teeth.
Step 5 Insert the cable lock into the lock slot of your charger and release the locking button.
Step 6 Lock the cable lock.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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