Replacing The Fan Drawer - Polycom 4000 Hardware Manual

RealPresence®Collaboration Server 4000 Hardware Guide
4 Using a star screw driver, disconnect the two wires connected to the Terminal block
(-48 VDC & RTN) of the failed DC PRM unit.
5 Unscrew the captive screws on the rear panel of the PRM unit that secures the unit to the chassis.
6 Using the handle fitted to the DC PRM, pull and slide the PRM unit out.
7 Slide in the replacement PRM unit.
8 Push the PRM unit firmly into the chassis, making sure it is properly seated in its slot.
9 Tighten the captive screws on the rear panel of the PRM unit to the rear chassis.
10 Connect the black wire into the -48 VDC terminal block and the red wire to the RTN terminal block
and tighten the two screws.
11 Replace the transparent plastic cap on the terminal block.
12 Turn ON the Main that supplies power to the RMX.
13 Turn ON the circuit breaker on each of the DC Power Rail Modules.

Replacing the Fan Drawer

Eight fans are mounted in the Fan drawer, where the airflow is from right to left. Should one of these fans
fail as indicated by a Fan LED, you are required to replace the Fan drawer.
To replace the fan drawer:
1 Unscrew the captive screws on the front panel of the Fan drawer secured to the Fan chassis.
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