2N TELEKOMUNIKACE a.s., www.2n.cz
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Warning
Remember to disconnect the mains supply before installing, maintaining
or checking the main unit.
Use only the battery packs supplied or approved by the manufacturer
for replacement! If a wrong type is used, the battery pack can start
burning or explode or the central unit electronics can get damaged.
Expired battery packs contain hazardous chemical substances and have
to be disposed of in accordance with the applicable environmental
regulations!
Accident hazard
WARNING! The live parts are freely accessible when the main unit cover
has been removed!
Be very careful and never touch the dangerous live parts!
Never work with the main unit on and the protective cover removed
unless you are a properly trained person with a higher qualification and
educated according to Regulation 50/1978 Coll.
Never install a damaged battery pack. Never insert a battery pack in the
main unit if you suspect any electrical or mechanical damage.
Never use
without the protective cover to avoid electric
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shock hazard, wrong functionality due to misconnection and, last but not
least, damage or destruction of the
electronics as a result
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of an electric short-circuit or adverse environmental effects. Without the
cover,
is not protected against incidental touch and water.
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Always make sure before installation that the
motherboard
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is not damaged!
Do not connect devices other than the approved ones. Unapproved
devices may cause electrical accident or device damage.