Cisco UCS S3260 Service Manual page 18

Preparing for System Installation
Rack Requirements
This section provides the requirements for the standard open racks, assuming an external ambient air
temperature range of 41°F to 95°F (5°C to 35°C).
The rack must be of the following type:
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Equipment Requirements
The slide rails supplied by Cisco Systems for this system do not require tools for installation if you
install them in a rack that has square 0.38-inch (9.6 mm), round 0.28-inch (7.1 mm), or #12-24 UNC
threaded holes.
Slide Rail Adjustment Range
The slide rails for this system have an adjustment range of 26 to 36 inches (660 to 914 mm).
Cable Management Arm Dimensions
The optional cable management arm (CMA) adds additional length requirements:
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Cisco UCS S3260 Storage Server Chassis Installation and Service Guide
2-4
A standard 19-in. (48.3-cm) wide, four-post EIA rack, with mounting posts that conform to English
universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.
The rack post holes can be square 0.38-inch (9.6 mm), round 0.28-inch (7.1 mm), #12-24 UNC, or
#10-32 UNC when you use the supplied slide rails.
The minimum vertical rack space per system must be four RUs, equal to 7 in. (17.78 cm).
There must be a minimum of 48 inches clearance at the front of the rack.
The additional distance from the rear of the chassis to the rear of the CMA is 6.8 inches (173 mm)
The total length of the chassis from front rack post to the rear of the CMA is 38.3 inches (973 mm).
The total length of the chassis including front handles and CMA is 40.3 inches (1024 mm).
Chapter 2 Installing the System