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26 PowerEdge VRTX Technical Guide

9 Rack, rails and cable management

VRTX supports ReadyRails II sliding rails for 4-post racks and cable management arm (CMA) options:

 Support for toolless installation in 19-inch EIA-310-E compliant square or unthreaded round

hole 4-post racks including all generations of Dell racks

 Support for tooled installation in 19-inch EIA-310-E compliant threaded hole 4-post racks

 Support full extension of the system out of the rack to allow serviceability of key internal

components

 Support for optional CMA

 Minimum rail mounting depth without the CMA: 714 mm

 Minimum rail mounting depth with the CMA: 845 mm

 Square-hole rack adjustment range: 608–915 mm

 Round-hole rack adjustment range: 594–908 mm

 Threaded-hole rack adjustment range: 608–930 mm

The rails ship in the toolless mounting configuration but can be converted to the tooled

configuration very quickly and easily. Table 9 lists the rack rail system that the VRTX system supports.

Note that static rail mounting in 2-post racks is not supported.

Supported rack rail system Table 9.

Product

Rail

Identifier

Mounting Interface

Rail Type

Rack Types Supported

4-Post

2-Post

Square

Round

Thread

Flush

Center

VRTX

ReadyRails II

Sliding



Other factors to consider when deploying the VRTX system include the spacing between the front

and back 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. See Table 10 for more information.

Rail adjustability range Table 10.

Product

Rail

identifier

Rail type

Rail adjustability range (mm)

Rail depth (mm)

Square

Round

Threaded

without

CMA

with

CMA

Min

Max

Min

Max

Min

Max

VRTX

Sliding

608

915

594

908

608

930

756

845

Note that the adjustment range of the rails is a function of the type of rack in which they are being

mounted. The minimum and maximum values listed above represent the allowable distance

between the front and rear mounting flanges in the rack. Rail depth represents the minimum depth

of the rail as measured from the rack front mounting flanges when the rail rear bracket is positioned

all the way forward.

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