31 PowerEdge R320 Technical Guide
9 Rack rails and cable management
The sliding and static rail systems for the Dell PowerEdge R320 provide tool-less support for four-
post racks with square or unthreaded round mounting holes. Both rail systems also support tooled
mounting in four-post threaded racks, and the static rails support tooled mounting in two-post
(Telco) racks as well for added versatility.
Compared to the R310 sliding rails that required the use of adapter brackets, the sliding rails for the
R320 now offer support for threaded hole racks with the ReadyRails II mounting interface. The
optional cable management arm (CMA) can be mounted on either the left or right side of the sliding
rails without the use of tools for fast and easy deployment.
Sliding and static rail systems
The R320 supports both sliding rails and static rails. Both rails have a new slim rail design that
supports the wide system chassis. The rails ship in the tool-less mounting configuration, but can be
converted to the tooled configuration quickly and easily.
Sliding rails include a self-adjusting feature to allow the rails to be shared across multiple systems
and accommodate various chassis depths. The sliding rail system allows you to fully extend the
server out the rack for easy access for service. The sliding rails are available with or without the
optional CMA. Figure 8 shows the sliding rails with the CMA.
Figure 8. Sliding rails with optional CMA
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General
Weight and Dimensions
