Chapter 5 Installation of 5U enclosures 35
Access a drawer
Each tamper-resistant drawer contains 42 slots for drives in carriers (DDICs). The drawer supports its DDIC
contents and own weight when partially or fully open. A safety latching mechanism prevents access to more
than one drawer at a time.
CAUTION Only open a drawer for no more than 10 minutes, or you will compromise airflow and cooling.
DDICs are hot-swappable.
To access a drawer:
1. Confirm the drawer is in the unlocked position. If it is locked, use a T20 Torx driver to unlock each drawer
pull handle by turning both locks counterclockwise on each drawer.
2. Complete the following actions to open the upper drawer:
a. Facing the front of the storage enclosure, press and hold both drawer pull handles while pulling outward.
b. Stop as the drawer rails engage the safety lock latches, and then access three rows of slots for drive
modules in their carriers (DDICs).
3. Complete the following actions to close the upper drawer:
a. Press and hold the safety lock latches with the blue touchpoint at the front of both extended drawer slide
rails.
Figure 27 Safety lock to release left drawer slide rail (lower drawer used for relational clarity)
b. Pressing simultaneously inward, begin sliding the upper drawer back into place until the safety lock
clears the opening.
c. Placing the heels of both palms against the face of the drawer near the anti-tamper locks, exert even
inward pressure until the drawer is almost flush with the rack ear flanges.
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