3Com AccessBuilder 500, Руководство пользователя

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Additional Safety Information 5
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Avoid using a telephone, which is connected to the unit (other than a
cordless type), during an electrical storm. There may be a remote risk of
electric shock from lightning.
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Equipment connected to the Voice port must be located in the same
building as the unit.
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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 25 mm (1 inch)
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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The unit has been designed to be a free standing unit. Do not place
anything on top of the unit’s case.
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Allow a clearance gap of at least a 150 mm from the rear panel of the
unit, to allow for cable access.
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This product ostensibly complies with the electro-magnetic
compatibility (EMC) requirements of EN 55022 Class A and EN 50082
(susceptibility). However, to fully comply with Class B of EN55022 the
following prerequisites should be observed;
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the WAN port must be attached to a screened digital cable.
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the ISDN cable must be used in conjunction with a three turn ferrite.
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This unit contains a lithium battery which is attached to a microchip on
the printed circuit board. The defective battery must be disposed of
safely in-line with the manufacturers instructions.
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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.