Polycom DOC2559B - Manual (Page 56)

Chapter 2- Component Replacement
2-10
Inserting an Air Filter (Optional) in the Fan Drawer
In the fan drawer, an Air Filter can be added as an option. You must order
this part through your next level of support.
1
Ensure that the power switch/circuit switch on the RMX 4000 is
turned OFF (O).
2 Unscrew the captive screws on the front panel of the Fan drawer
secured to the Fan chassis.
3 Use the finger grip, pull the Fan drawer out of its slot in the
Backplane.
4 Carefully slide the Fan drawer out through the front panel.
Warning!
The air filter cannot be replaced when the RMX 4000 unit is ON.
Finger
grip