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5. Complete the following actions to prepare the 2U enclosure chassis for installation:
a. Facing the chassis front, grasp the right rack flange cover, work the cover free, and set it aside in a safe location.
b. Grasp the left rack flange cover, gently work the cover free, and set it aside in a safe location.
Install the 2U rackmount rail kit
The 2U enclosure requires rackmount hardware for installation into a standard 1.2m rack and occupies 2 EIA units of rack
space (8.9cm or 3.50 inches) per unit. The rail kit contains a left and right rail designed to handle the 2U enclosure and provide
for installation of multiple enclosures without loss of rack space. Product function and user safety hinge on proper installation.
This task assumes square mounting holes but pertains to other rack types.
You must take all appropriate rack cabinet safety precautions before mounting a 2U enclosure into a rack.
CAUTION Observe all the following directives:
Always place the rack cabinet on a flat, leveled surface. Do not install an expansion enclosure into a rack cabinet until you
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verify the rack cabinet is level.
Follow prescribed leveling procedures from the rack cabinet manufacturer.
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Never install or remove from the rack cabinet more than one expansion enclosure at a time. This helps prevent the rack
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cabinet from tipping or falling.
Verify the rack cabinet meets all safety requirements when configured with expansion enclosures.
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Verify connections comply with all electrical requirements.
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Verify the system complies with all temperature and exhaust requirements.
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To adhere to safety precautions when mounting a 2U enclosure into a rack cabinet:
1. Read and observe all warning and caution labels on the 2U enclosure.
2. Verify the rack cabinet is on a flat, leveled surface because any incline or unevenness stresses the rack cabinet and 2U
enclosure. A 2U enclosure in an uneven rack cabinet resists smooth rail movement and may distort the chassis.
3. Verify the rack cabinet design supports the total weight of 2U enclosures and has stabilizing features to prevent the rack
cabinet from tipping or being pushed over during installation or normal use.
4. Do not lift the 2U enclosure without a mechanical lift. No single person should lift an enclosure without help.
5. Mount 2U enclosures into the rack cabinet from the bottom to the top during installation.
6. Locate lighter 2U enclosures above heavier ones to maximize stability.
7. Remove 2U enclosures from the top of the rack cabinet to the bottom when emptying it.
Required equipment
Outer rails, properly oriented
#2 Phillips-head screwdriver, 6-in length
(Optional) 8mm nut driver, 6-in length
Phillips-head screw, M5 x 15, 8mm hex flange
22 Chapter 4 Installation of 2U enclosures
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Identification
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