Installing the cable management arm  107 
Procedure 
1. Attach the strap carabiner to the rack mounting rail.
2. Bundle the rear panel power cords and peripheral cables, and then wrap the strap around the cables.
Installing the cable management arm 
Prerequisites 
• Before you perform this procedure, review the Rack warnings and cautions.
• T-25 Torx screwdriver—This tool is required if the shipping screws located inside the chassis ears need to
be loosened or tightened.
About this task 
The cable management arm (CMA) allows the server to be fully extended from the server without the need to 
power off the system or disconnect any rear panel cables. This CMA is designed for ambidextrous 
implementation. 
For the purpose this procedure, left and right terminology is from the perspective of a user facing the front of 
the server. 
CAUTION: Support the CMA during the removal and replacement procedures. Do not allow the CMA to 
hang by its own weight during the procedure. 
Procedure 
1. Connect and secure all peripheral cables and power cords to the rear panel.
2. (Optional) The CMA retention bracket can be rotated to fit a left- or right-hand CMA operation. Press and
hold the rotate mechanism (callout 1), and then rotate the bracket 180°(callout 2).
There will be an audible click to indicate that the bracket is locked in its adjusted position.