Attaching A Modular 2U Sas Extension Unit Front Bezel - Hitachi AMS 2100 Hardware Manual

NOTE: Insert the key all the way into the lock before turning it. If the key
is not inserted all the way, the key or the lock may be damaged when
attempting to turn the key.
5. Remove the key from the front bezel and store it in a safe place.
• When removing the key after locking up the front bezel, pull it off
aligning its groove with the positioning mark on the lock.
• When the key is pulled off in the state where its groove is not
correctly aligned with the positioning mark on the lock, damage to
the lock might occur.

Attaching a modular 2U SAS extension unit front bezel

Complete the following steps to attach the front bezel to the array chassis.
CAUTION! Attach and remove the front bezel carefully. Otherwise
you may pinch your fingers between the bezel and the chassis as
it snaps closed.
NOTE: When installing or removing the front bezel, be careful not to
operate the main switch or the ON/OFF button of the front bezel.
NOTE: You must unlock the front bezel before you can install it. The key
for the front bezel is required to unlock it.
1. Grasp the front bezel on both sides and above the center of the unit.
2. Insert the claw on the front side of the subsystem main body into the
claw hole in the front bezel (1).
3. Engage the front bezel by pressing the right side of the front bezel to
engage the hook of the front bezel with the ball catch (2).
4. Lock the front bezel with the key (3).
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Installation
Hitachi AMS 2100/2300 Storage System Hardware Guide