Western Digital Ultrastar ScaleUp SE4U102 User Manual page 151

User Guide
Figure 149: Lower CMA Orientation
c. Slowly slide the enclosure forward to ensure the arm is operating properly, then slide it back
into the rack.
d. CMA Standard: Repeat these steps to install the upper arm with the elbow facing to the
right.
Step 35 : Cable the CMA(s).
CMA Standard:
a. Unlatch the elbow side of the arm(s) by pressing the blue button labeled "push," and then
swing the arm(s) open.
b. Gather the SAS, power, and Ethernet cables for installation. Before cabling, note the
following routing patterns for best results:
Note: Route the cables supported by the lower arm to IOM A (left hand side
looking at the rear). Second, route the cables supported by the upper arm to
IOM B (right hand side looking at the rear) in a "criss-cross" pattern. See the
Special Considerations for Cable Routing (page 189)
3. Support
3.8 Rails Replacement
for more information.
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