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Cisco TelePresence System 3000
OL-14521-01
Chapter 11 Field-Replaceable Unit Guide
Replacing a Codec Unit—Part Number CTS-CODEC-PRI-G2 (Primary Codec) or CTS-CODEC-SEC (Secondary Codec)
Replacing a Codec Unit—Part Number CTS-CODEC-PRI-G2 (Primary Codec) or CTS-CODEC-SEC (Secondary Codec)
Required Information, Tools, and Equipment
To remove and replace a codec unit for the Cisco TelePresence 3000, you need the following
information, tools, and equipment:
The Cisco TelePresence System Administrator's Guide for your software release
Power screwdriver with 2.5, 3, and 6 mm (standard or round) Allen bits, or standard 2.5, 3, and 6 mm
Allen wrenches
Tip A round-head Allen bit allows the bit to work at an angle instead of only straight out, which is
helpful in tight spots.
Manual screwdrivers, Phillips and flat head types
Metric wrenches, 10 to 15 mm
Masking tape
Laptop computer attached to the network
Powering Off the System
Power off the system by turning the power switches to the Off position on the two left PDUs, single right
PDU and, if present, the PDU or auxiliary control unit behind the center display assembly.
Caution Make sure all system power is turned off before beginning this disassembly.

Removing and Replacing a Codec

Note Make sure to retain all screws, connectors, and other parts during the disassembly.
Step 1 From the back of the Cisco TelePresence 3000, access the codec to be removed. Turn the power switch
on the codec to the Off position.
Step 2 Remove all cable ties holding the cables to the cable management bar. Take note of the organization of
the cables.
Step 3 Remove the cables from the codec. Label each cable with masking tape for identification as it is
removed.
See Chapter 8, “Routing Power and Signal Cables” for additional information.
Step 4 Remove and retain the screws that attach the codec’s L-brackets to the Display structure Front feet.