Polycom RMX DOC2548A - Manual (Page 53)

Polycom RMX 4000 Hardware Guide
2-11
5 Open the filter tray, by unscrewing two screws on the tray.
6 Insert the air filter into the filter tray.
7 Close the filter tray, by tightening the two screws on the tray.
8 Insert and slide in the Fan drawer.
9 Push the Fan drawer firmly into the Backplane, making sure it is
properly seated in its slot.
10 Tighten the captive screws on the front panel of the Fan drawer to the
chassis.
11 Turn ON the RMX 4000.
Replacing a Faulty MPM+ Card
Removing the MPM+ Card from the MCU
All MPM+ cards can be installed or removed while the RMX 4000 is
powered on and operating.
Prior to removing an MPM+ card the captive screws must be unscrewed
and the ejector levers must be opened to initiate a “power down” on the
card.
1
If applicable, loosen the captive screws and remove the slot cover.
It is recommended that the air filter be replaced or cleaned every six months.