Rack Requirements; Equipment Requirements; Slide Rail Adjustment Range - Cisco ucs c240 Installation Manual

Preparing for Server Installation
When you are installing a server, use the following guidelines:
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Rack Requirements

This section provides the requirements for the standard open racks.
The rack must be of the following type:
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Equipment Requirements

The slide rails supplied by Cisco Systems for this server 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. The inner rails are pre-attached to the sides of the server.
However, if you install the slide rails in a rack that has #10-32 round holes, a bladed screwdriver is
required to remove the larger square/round mounting pegs from the front of the slide rails.

Slide Rail Adjustment Range

The slide rails for this server have an adjustment range of 26 to 36 inches (660 to 914 mm).
Cisco UCS C240 Server Installation and Service Guide
2-4
Plan your site configuration and prepare the site before installing the server. See the
Preparation Guide for the recommended site planning tasks.
Ensure that there is adequate space around the server to allow for servicing the server and for
adequate airflow. The airflow in this server is from front to back.
Ensure that the air-conditioning meets the thermal requirements listed in the
Ensure that the cabinet or rack meets the requirements listed in the
page 2-4.
Ensure that the site power meets the power requirements listed in the
available, you can use an uninterruptible power supply (UPS) to protect against power failures.
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 two RUs, equal to 3.5 in. (88.9 mm).
Chapter 2 Installing the Server
Cisco UCS Site
Server Specifications.
"Rack Requirements" section on
Server Specifications. If
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