Rack Requirements; Supported Cisco Slide Rail Kits; Rack Installation Tools Required; Slide Rail And Cable Management Arm Dimensions - Cisco UCS C240 M5 Installation And Service Manual

Installing the Server
Avoid uninterruptible power supply (UPS) types that use ferroresonant technology. These UPS types can
Caution
become unstable with systems such as the Cisco UCS, which can have substantial current draw fluctuations
from fluctuating data traffic patterns.
When you are installing a server, use the following guidelines:
• Plan your site configuration and prepare the site before installing the server. See the
• Ensure that there is adequate space around the server to allow for accessing the server and for adequate
• Ensure that the air-conditioning meets the thermal requirements listed in the
• Ensure that the cabinet or rack meets the requirements listed in the
• Ensure that the site power meets the power requirements listed in the

Rack Requirements

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
• The rack-post holes can be square 0.38-inch (9.6 mm), round 0.28-inch (7.1 mm), #12-24 UNC, or
• The minimum vertical rack space per server must be two rack units (RUs), equal to 3.5 in. (88.9 mm).

Supported Cisco Slide Rail Kits

The server supports the following rail kit options:
• Cisco part UCSC-RAILB-M4= (ball-bearing slide rail kit)
• Cisco part UCSC-CMAF-M4= (cable management arm)

Rack Installation Tools Required

The slide rails sold by Cisco Systems for this server do not require tools for installation.

Slide Rail and Cable Management Arm Dimensions

The slide rails for this server have an adjustment range of 24 to 36 inches (610 to 914 mm).
The optional cable management arm (CMA) adds additional length requirements:
• The additional distance from the rear of the server to the rear of the CMA is 5.4 inches (137.4 mm).
• The total length of the server including the CMA is 35.2 inches (894 mm).
Preparation Guide for the recommended site planning tasks.
airflow. The airflow in this server is from front to back.
on page 122.
122. If available, you can use an uninterruptible power supply (UPS) to protect against power failures.
universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.
#10-32 UNC when you use the Cisco-supplied slide rails.
Rack Requirements, on page
Power Specifications, on page
Cisco UCS C240 M5 Server Installation and Service Guide
Rack Requirements
Cisco UCS Site
Environmental Specifications,
15.
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