to install the model 6c3 cable management arm, do the following:

    1. from the rear of the rack unit, locate the cable management arm flange located on the fixed rear portion of the left system rail assembly.

    2. pin the cable management arm to the flange as shown in the figure below.

    3. pin the other end of the cable management arm to the flange attached to the sliding portion of the left system rail assembly.

   

    to avoid any binding of the cable management arm, ensure that the cable management arm is level.