Step 5: Attach cable chains
Attach the cable chains so you can safely re-install the drives in the drive drawer.
When attaching a cable chain, reverse the order you used when disconnecting the cable chain. You must insert
the chain’s horizontal connector into the horizontal guide rail in the enclosure before inserting the chain’s
vertical connector into the vertical guide rail in the enclosure.
Steps
1. Make sure that:
◦ You completed the step to install the new drive drawer.
◦ You have two replacement cable chains, marked as LEFT and RIGHT (on the horizontal connector
next to the drive drawer).
2. From the back of the drive shelf, remove the fan canister on the right side, and set it aside.
3. If the shelf is powered on, ensure that the left fan goes to its maximum speed.
Possible equipment damage due to overheating — If the shelf is powered on, do not
remove both fans at the same time. Otherwise, the equipment might overheat.
4. Attach the right cable chain:
a. Locate the horizontal and vertical connectors on the right cable chain and the corresponding horizontal
guide rail and vertical guide rail inside the enclosure.
b. Align both cable chain connectors with their corresponding guide rails.
c. Slide the cable chain’s horizontal connector onto the horizontal guide rail, and push it in as far as it can
go.
Risk of equipment malfunction — Make sure to slide the connector into the guide rail.
If the connector rests on the top of the guide rail, problems might occur when the system
runs.
The figure shows the horizontal and vertical guide rails for the second drive drawer in the enclosure.
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