Western Digital Ultrastar Data102 User Manual page 137

User Guide
c. Slowly slide the enclosure forward to ensure the arm is operating properly, then slide it
back into the rack.
a. CMA Standard: Repeat these steps to install the upper arm with the elbow facing to the
right.
Step 30 : 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:
Figure 133: Lower CMA Orientation
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
Routing (page 174)
Special Considerations for Cable
for more information.
4. Part Replacement
4.8 Rails Replacement
127