HPE D8000 Manual page 10

Procedure
1. Ensure that the CMA is oriented properly. The arrow next to the "B" mark on the CMA should be pointed
upward.
2. Slide the CMA "B" bracket into the right rack rail CMA attachment bracket until it "clicks" into place.
3. Slide the CMA "A" bracket into the cable management arm physical enclosure attachment bracket unit it
"clicks" into place.
4. Install the crossbar using the two blue captive thumbscrews to stabilize the two rack rails at the rear of the
enclosure as shown in the following illustration.
10 Best practices for rack installation