HGST Ultrastar Data102 User Manual page 163

User Guide
Figure 134: Cable Retention Mechanism
c. Power down the enclosure by disconnecting both power cables, one from each PSU.
3. Disconnect the HD Mini-SAS cables from the rear of the enclosure by pulling (don't jerk) on
the blue tab that is extending outward from the connector. This will free the cable from the port.
Make sure each cable is labeled or label them yourself to ensure that they will be plugged back
into the same location.
4. Unplug the Ethernet cables from the out-of-band management ports.
5. Uncable the CMA.
a. Open all of the baskets on the CMA.
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4. Part Replacement
4.10 Chassis Replacement