11-18
Cisco TelePresence System 3000
OL-14521-01
Chapter 11 Field-Replaceable Unit Guide
Replacing a Microphone—Part Number CTS-MIC=
Replacing a Microphone—Part Number CTS-MIC=
Required Information, Tools, and Equipment
To remove and replace a microphone 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 Microphone
Note Make sure to retain all screws, brackets, and other parts during the disassembly.
Step 1 From the back of the Cisco TelePresence 3000, determine whether the microphone cables are coming
from either the Primary (center) codec, or codec and audio/video extension unit.
Step 2 Detach the specific microphone cable from either the Primary codec or the audio/video extension unit.
Note the location of the cables for later reference.
If all microphones are attached to the primary codec, choose the appropriate microphone icon according
to the following conventions:
–
A single dot on a green background indicates a center microphone.
–
Two dots on a white background indicate a left microphone.
–
Three dots on a red background indicate a right microphone.
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