Western Digital Ultrastar Data60 User Manual page 126

User Guide
c. Slowly slide the enclosure forward to ensure the arm is operating properly, then slide it
back into the rack.
a. Repeat these steps to install the upper arm with the elbow facing to the right.
Step 30 : 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:
Figure 123: 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 157)
Special Considerations for Cable
for more information.
4. Part Replacement
4.8 Rails Replacement
116