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c. Make sure that you hear the audible click that indicates that the lower cable management arm is in place.
2. Close the upper cable management arm:
a. Swing the upper cable management arm to the right side of the enclosure, and align the retention latch with the upper
rail bracket.
b. Press the retention latch onto the upper rail bracket.
c. Make sure that you hear the audible click that indicates that the upper cable management arm is in place.
Example
Figure 44. Closing the cable management arms
Testing the cable management arms
Steps
1. From the front of the rack, lift the black tabs on the expansion enclosure and slowly pull the expansion enclosure from the
rack to ensure that proper slack has been provided for the cables.
2. Ensure that the stops on the rails engage into the service position when the top access door is clear.
3. If you feel resistence, stop pulling and adjust any tight cables so that pulling the expansion enclosure from the rack does not
strain any cables or pull them from the ports.
4. Ensure that you can remove the expansion enclosure from the rack until it is in the service position. The expansion enclosure
is in the service position when it clicks into place and will not move any further.
5. Once you have finished adjusting the cables, pull the orange tabs on the side of the expansion enclosure, and push the
expansion enclosure back into the rack until it locks into place.
6. Inspect the cables again to make any necessary final adjustments.
7. Using a Philips screwdriver, tighten the chassis-securing screws located under the self-locking latches on the front of the
expansion enclosure. These screws secure the expansion enclosure chassis to the cabinet rails in the event that the cabinet
needs to be moved.
Attach the cables
Steps
1. Plug the power cables into the power source.
2. Attach the data cables to the ports on the new expansion enclosure.
50
Install a new base enclosure and an optional expansion enclosure
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