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Polycom RealPresence Collaboration Server (RMX) 4000 Hardware Guide
6
7
8
9
10 Connect the black wire into the -48 VDC terminal block and the red wire to the RTN
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.
1
2
2-6
Using the handle fitted to the DC PRM, pull and slide the PRM unit out.
Slide in the replacement PRM unit.
Push the PRM unit firmly into the chassis, making sure it is properly seated in its slot.
Tighten the captive screws on the rear panel of the PRM unit to the rear chassis.
terminal block and tighten the two screws.
Unscrew the captive screws on the front panel of the Fan drawer secured to the Fan
chassis.
Use the finger grip, pull the Fan drawer out of its slot in the Backplane.
Finger
grip
Polycom, Inc.
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