Western Digital Ultrastar ScaleUp SE4U102 User Manual page 163

User Guide
c. The arm(s) should be extended away from the enclosure as shown in the following example.
Figure 165: CMA(s) in service position (Cables not shown)
Step 2 : Disconnect the Enclosure from power.
a. Locate the redundant PSUs at the rear of the enclosure.
b. Detach the cable retention mechanism from both power cords.
Figure 166: Clip-Style Cable Retention
3.9 Chassis Replacement
3. Support
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