Dell PowerEdge R520 Technical Manual
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Brand: Dell
Category: Desktop , Network Storage Server , Server , Storage
Type: Technical manual for Dell PowerEdge R520
Pages: 51 (1.49 Mb)
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32 PowerEdge R520 Technical Guide
The static rails (shown in Figure 9) support a wider variety of racks than the sliding rails but do not
support serviceability in the rack and are therefore are not compatible with the CMA.
Figure 9. Static rails
One key factor in selecting the proper rails is identifying the type of rack in which they will be
installed. Both the sliding rails and the static rails support tool-less mounting in 19”-wide, EIA-310-E
compliant square hole and unthreaded round hole four-post racks. Both also support tooled
mounting in threaded hole four-post racks, but only the static rails, as the more universal solution,
support mounting in two-post (Telco) racks.
Table 18 lists the rack types that the R520 supports.
Table 18. Supported rack types
Product
Rail
Identifier
Mounting Interface
Rail Type
Rack Types Supported
4-Post
2-Post
Square
Round
Thread
Flush
Center
R520
B6
ReadyRails II
Sliding
X
X
B4
ReadyRails
Static
Screws are not included in either kit due to the fact that threaded racks are offered with a variety of
thread designations. You must provide your own screws when mounting the rails in threaded racks
Screw head diameter for the sliding rails must be 10mm or less.
Other key factors governing proper rail selection include the spacing between the front and rear
mounting flanges of the rack, the type and location of any equipment mounted in the back of the
rack, such as PDUs, and the overall depth of the rack. Due to their reduced complexity and lack of
need for CMA support, the static rails offer a greater adjustability range and a smaller overall
mounting footprint than the sliding rails.
For detailed information about static and sliding rails, see the Rack rail specifications section in
Appendix A. For more information on installing the R520 in a rack, see the
Rack Installation
Instructions
on Dell.com/Support/Manuals.