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Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Chapter 2 Installing the Server
Preparing for Server Installation
Rack Requirements
This section provides the requirements for the standard open racks.
The rack must be of the following type:
• 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 server must be one RU, equal to 1.75 in. (44.45 mm).
Equipment Requirements
The slide rails supplied by Cisco Systems for this server do not require tools for installation. The inner
rails (mounting brackets) are pre-attached to the sides of the server.
Slide Rail Adjustment Range
The slide rails for this server have an adjustment range of 24 to 36 inches (610 to 914 mm).