Choosing A Suitable Site; Rack-Mounting The Webcache - 3Com SUPERSTACK 3 WEBCACHE 3000 User Manual

Choosing a Suitable
Site
Rack-Mounting the
Webcache
The Webcache must be mounted in a standard 19-inch 4-posted
equipment rack, and is suited for use in a wiring closet, an equipment
room, a server room, or telecommunications room. A rack-mounting kit is
supplied with the Webcache.
CAUTION: Ensure that the ventilation holes in the Webcache are not
obstructed.
When deciding where to position the Webcache, ensure that:
Cabling is located away from:
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sources of electrical noise such as radios, transmitters and
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broadband amplifiers.
power lines and fluorescent lighting fixtures.
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The Webcache is accessible and cables can be connected easily.
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Water or moisture cannot enter the case of the Webcache.
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Air-flow is not restricted around the Webcache. 3Com recommends
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that you provide a minimum of 25 mm (1 in.) clearance.
Air temperature around the Webcache does not exceed 40
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If the Webcache is installed in a 19-inch rack or closed assembly its local
air temperature may be greater than room ambient temperature.
The air is as free from dust as possible.
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The Webcache is situated away from sources of conductive (electrical)
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dust, for example laser printers.
The Webcache is installed in a clean, air conditioned environment.
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The AC supply used by the Webcache is separate to that used by units
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that generate high levels of AC noise, for example air conditioning
units and laser printers.
The Webcache is 1U high and will fit in most standard 19-inch rack
mounts.
CAUTION: The rear of the Webcache must be supported. This is best
achieved through the use of a 19-inch 4-posted rack.
CAUTION: Disconnect all cables from the Webcache before continuing.

Choosing a Suitable Site

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