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Rack Requirements
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
Caution
Avoid UPS types that use ferroresonant technology. These UPS types can 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 servicing 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
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
• 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
• 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).
Server Specifications
This section lists the technical specifications for the server and includes the following sections:
Install Cisco ISE Software on Cisco SNS Appliances
12
Preparation Guide
for the recommended site planning tasks.
airflow. The airflow in this server is from front to back.
page
12.
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.
UNC when you use the supplied slide rails.
Install Cisco ISE Software on Cisco SNS Appliances
Cisco UCS Site
Server Specifications, on
Rack Requirements, on page
Power Specifications, on page
12.
13.
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