Technical data

3-8

Extended XR Chassis

Chassis Use

Note You will need a 4mm Allen wrench to perform these

procedures.

Front Bezel Removal

The front bezel is a requirement for complete RFI shielding. Allen

wrench-operated locks at the upper corners fasten the bezel in

place. The bezels are to be removed by trained service personnel

only.

The 9U bezels for the dual 9- and 20-slot card cage and OEM

equipment enclosure are mounted on guides at the bottom and lock

at the top; the 3U bezels used for the power supply are simply

locked.

Refer to Figure 3-3 on page 3-9 and Figure 3-4 on page 3-10 while

performing this procedure.

1. Unlock the bezel by rotating the locks a quarter-turn inward

from the “locked” position to the “unlocked” position with a

4mm Allen wrench (clockwise on the left side,

counterclockwise on the right).

Caution

To avoid damaging the keyswitch assembly when you

remove card cage bezels, make sure that the key is

removed before you unlatch the bezel.

2. Pull the bezel straight out. (If it is a 3U bezel, removal is

complete at this point.)

3. (For 9U bezels): Release the bottom of the bezel from the

guides by firmly pulling the bezel straight up.