Western Digital Ultrastar Data60 User Manual page 160

User Guide
Figure 172: Tightening the Thumbscrew
a. Check that the crossbar is fully secured to the CMA mounting bracket by pulling on the bar
to ensure it does not move.
Step 46 : Cable the CMA(s).
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 154)
3. Support
3.9 Chassis Replacement
for more information.
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