3Com OfficeConnect 3C8861, User Manual

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Be sure nothing rests on the unit’s system cables and that the cables are not located where
they can be stepped on and cause damage to the unit.
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Keep the unit away from radiators and heat sources. Allow 1 inch (25mm) around the unit
to provide adequate air circulation.
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Install the unit in a clean area that is free from dust or extreme temperatures.
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Allow a clearance gap of at least a 6 inches (150 mm) from the rear panel of the unit, to
allow for cable access.
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Interconnecting directly, or by way of other apparatus, to ports complying with SELV
requirements may produce hazardous conditions on the network. Advice should be sought
from a competent engineer before such a connection is made.