Cisco C480M5 설치 매뉴얼 - 페이지 3

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Installing the Server

Warning

This equipment must be externally grounded using a customer-supplied ground wire before power is

applied. Contact the appropriate electrical inspection authority or an electrician if you are uncertain

that suitable grounding is available.

Statement 366

Caution

To ensure proper airflow it is necessary to rack the servers using rail kits. Physically placing the units on top

of one another or "stacking" without the use of the rail kits blocks the air vents on top of the servers, which

could result in overheating, higher fan speeds, and higher power consumption. We recommend that you mount

your servers on rail kits when you are installing them into the rack because these rails provide the minimal

spacing required between the servers. No additional spacing between the servers is required when you mount

the units using rail kits.

Caution

Avoid uninterruptible power supply (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 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 #10-32

• The minimum vertical rack space per server must be four rack units (RUs), equal to 7.0 in. (177.8 mm).

Supported Cisco Slide Rail Kits

The server supports the following rail kit options:

Preparation Guide

for the recommended site planning tasks.

airflow. The airflow in this server is from front to back.

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 Cisco-supplied slide rails.

Rack Requirements

Cisco UCS Site

Environmental

Specifications.

Rack Requirements, on page

Power

Specifications. If available,

Installing the Server