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Cisco TelePresence System 3200
OL-14521-01
Chapter 12 Field-Replaceable Unit Guide
Replacing the Audio/Video Extension Unit—Part Number CTS-AV-EXP

Replacing a Light Fixture

Step 1 Power off the Auxiliary Control Unit by turning the power switch to the Off position.
Note The Auxiliary Control Unit is located in the center of the display assembly. See Chapter 9, “Routing
Power and Signal Cables” for more information.
Step 2 Unplug the light fixture cord(s) from the Auxiliary Control Unit.
Step 3 For the right and left vertical light fixtures, follow these steps.
a. Remove the screws from the light fixture holding bracket. The bracket is located in the middle of
the fixture. Retain the screws.
b. Lift the light fixture up and out of the lower cup bracket.
Step 4 For the horizontal light fixtures, follow these steps.
a. Using the step stool or a small step ladder, reach over the display and remove the two screws from
the light fixture holding bracket. The bracket is located in the middle of the fixture.
b. Lift the light fixture up and out, being careful the cable does not mar the surface of the display.
Step 5 Place the replacement light fixture in the bracket and secure with the screws.
See Chapter 4, “Building the Lighting Assembly” for more information.
Step 6 Plug the light fixture into the Auxiliary Control Unit.
See Chapter 9, “Routing Power and Signal Cables” for more information.
Step 7 Turn the power switch on the Auxiliary Control Unit to the On position.
Replacing the Audio/Video Extension Unit—Part Number CTS-AV-EXP
To remove and replace the audio/video extension unit for the Cisco TelePresence 3200, you need the
following tools and equipment:
• Medium Phillips head screwdriver (for attaching the unit to its bracket)
• Large Phillips head screwdriver (for attaching the unit and bracket to the display structure)
• Masking tape
Remove and replace the audio/video extension unit by performing the following pro cedure:
Step 1 Power off the system by completing turning off the following units:
• The two left PDUs on the left accessory cabinet
• The single right PDU on the right accessory cabinet
• The auxiliary control unit on the center display structure