Condition: NewCisco CP-LOCK-7921G Cisco 7921G and Desk Top Charger Lock SetIncludes Cable, C-Ring, and Combination LockProcedureStep 1 Put the cable (with loops at each end) around a post or cable that is used to lock your computer.Step 2 Put the two loops at the ends of the cable in the C-ring.Step 3 Insert the C-ring in the slot on the back of the phone.Step 4 Using the combination lock, fasten the two ends of the C-ring together.The phone is now secure. In addition, you can secure the Cisco Unified Wireless IP Phone 7921G Desktop Charger using a laptop cable lock. The lock connects to the security slot on the side of the desktop charger and the cable can be secured to a desktop.The security slot can accommodate a lock up to 20 mm. Compatible laptop cable locks include the Kensington laptop cable lock and other manufacturer's cable locks that fit into the security slot on the left side of the desktop charger.Note: a laptop cable lock is NOT included; you must purchase a cable lock from your local electronics supply source.