The microphone on a Cisco TelePresence System 3000 is switching incorrectly to a camera that does not have an active speaker. What is the first step that an engineer should take to troubleshoot this…

Question

Options

• ACheck whether the microphone is properly plugged in.
• BRun the microphone calibration procedure.
• CPlug all microphones into the primary codec.
• DCheck whether the cable from the microphone is plugged into the correct receptor on the codec.

• A
  8% (3)
• B
  79% (31)
• C
  3% (1)
• D
  10% (4)

Explanation

On the Cisco TelePresence System 3000, automatic camera switching is driven by microphone zone detection - the system maps each microphone to a specific camera angle. When the system incorrectly activates a camera without an active speaker, it indicates the microphone-to-camera zone mapping is misconfigured or has drifted, which is resolved by running the microphone calibration procedure first. Physical checks (cable seating, correct receptor, microphone connectivity) are valid follow-up steps if calibration does not resolve the issue, but calibration addresses the most likely root cause - an incorrect spatial mapping - and is therefore the recommended first step per Cisco troubleshooting guidelines.

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