Polycom 2000 Hardware Manual page 24

RealPresence®Collaboration Server (RMX) 2000 Hardware Guide
3 Adjust the telescopic rack rail runner to the rack opening and mount it onto the marked position of
the rear post as described in Step 2.
Detail of Rear RMX 2000 Rack Spacer Assembly
4 Repeat Steps 2 and 3 for the right rack rail runner.
5 Install the flat head screw (5), flat washer (6) and nut spring (7) in the middle of the telescopic rack
rail runner for added stability as shown in the figure below.
Detail of Left Rail Runner (front internal view)
The number of screws to install depends on the rack width.
Polycom, Inc. 24