User Guide
Polycom RMX 4000 Hardware Guide
2-9
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 Unscrew the captive screws on the front panel of the Fan drawer 
secured to the Fan chassis.
2 Use the finger grip, pull the Fan drawer out of its slot in the 
Backplane.
3 Carefully slide the Fan drawer out through the front panel.
4 Slide in the replacement Fan drawer.
5 Push the Fan drawer firmly into the Backplane, making sure it is 
properly seated in its slot.
6 Tighten the captive screws on the front panel of the Fan drawer to the 
chassis.
Finger 
grip
Warning!
The Fan drawer can be replaced when the RMX unit is ON, however a 
replacement drawer must be inserted immediately. The temperature increase is 
detected by the system, when critical, a system shutdown is initiated.










