Removing The Cable Chains - Lenovo 7D7Y Service Manual

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Steps
• "Removing the cable chains" on page 18
• "Removing a drive drawer" on page 23
• "Installing a drive drawer" on page 25
• "Attaching the cable chains" on page 28

Removing the cable chains

Left and right cable chains for each drive drawer in the DM600S drive shelf allow the drawers to slide in and
out. Before you can remove a drive drawer, you must remove both cable chains.
Before you begin
• You have stopped host I/O activity and powered off the shelf.
• You have obtained the following items:
– Antistatic protection
Attention: Possible hardware damage – To prevent electrostatic discharge damage to the shelf, use
proper antistatic protection when handling shelf components.
– Flashlight
About this task
Each drive drawer has left and right cable chains. The metal ends on the cable chains slide into
corresponding vertical and horizontal brackets inside the enclosure, as follows:
• The left and right vertical brackets connect the cable chain to the enclosure's midplane.
• The left and right horizontal brackets connect the cable chain to the individual drawer.
Step 1.
Put on antistatic protection.
Step 2.
From the rear of the drive shelf, remove the right fan module, as follows:
a.
Press the orange tab to release the fan module handle.The figure shows the handle for the fan
module extended and released from the orange tab on the left.
18
Service Guide for DM120S, DM240S, and DM600S

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