IBM 5000 - Manual (Page 112)

Installing the Rack Model in a Rack Enclosure
5. Attach the cable-management arm to the cable-arm bracket, using two long
(M6 by 16 mm) screws.
6. If you have not done so already, attach the cable-management arm to the rack
as described in steps 5a on page 100 and 5b on page 101.
7. Attach the monitor, keyboard, and power cables to the corresponding
connectors on the server. Refer to the rack enclosure documentation for
instructions.
8. Attach the cables to the cable-management arm using the cable ties provided.
Note: Be sure to route the cables above the top edge or below the bottom
edge of the cable-management arm, to avoid overstressing the cables.
Chapter 5. Installing a Server in a Rack Enclosure 103