Western Digital Ultrastar Data102 User Manual page 176

4. Part Replacement
User Guide
4.9 Chassis Replacement
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 174) for more information.
Figure 192: CMA Cable Routing
c. Open all of the baskets.
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