Cisco 2524 - Router - EN Подготовка к установке - Страница 5

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Configuring Equipment Racks

The following tips will help you plan an acceptable equipment rack configuration:

•

Enclosed racks must have adequate ventilation. Ensure that the rack is not overly

congested because each unit generates heat. An enclosed rack should have louvered

sides and a fan to provide cooling air.

•

When mounting a chassis in an open rack, ensure that the rack frame does not block the

intake or exhaust ports. If the chassis is installed on slides, check the position of the

chassis when it is seated all the way into the rack.

•

In an enclosed rack with a ventilation fan in the top, excessive heat generated by

equipment near the bottom of the rack can be drawn upward and into the intake ports of

the equipment above it in the rack. Ensure that you provide adequate ventilation for

equipment at the bottom of the rack.

•

Baffles can help to isolate exhaust air from intake air, which also helps to draw cooling

air through the chassis. The best placement of the baffles depends on the airflow patterns

in the rack, which are found by experimenting with different arrangements.

Check the power at your site to ensure that you are receiving "clean" power (free of spikes

and noise). Install a power conditioner if necessary.

Warning

versions of this warning, refer to the appendix "Translated Safety Warnings.")

The device is designed to work with TN power systems. (To see translated

Preparing to Install the Cisco 2524 and Cisco 2525 Routers 2-5

General Site Requirements