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16
Dos and Don'ts
Do not install / operate the
equipment or lay cables
during a lightning storm.
The vacant slots should be
covered with dummy
panels to prevent foreign
objects from entering the
equipment and ensure
normal air circulation.
normal air circulation.
When plugging / unplugging
a card, exercise care and
align it with the slide rails.
Install rat guards at the top
and bottom of the cabinet
or fasten the mouseproof
hop-pockets after
connection of the cables is
completed.
Do not connect or remove
the power cable while it is
p
powered.
The power cables should
be separated from signal
cables.
Put an anti-dust cap on an
unused optical fiber.
Keep the cabinet
door closed in
daily operations.
Direct or indirect contact
(through damp objects) with
high voltage power supply
can cause bodily harm and
b dil h
should be avoided.
Do not bind optical fibers
with cable ties. Use the
black fiber binding strap
instead.
Put an anti-dust cap on an
unused optical module.
Do not place the
labels between
two cards, which
may affect the
electrical
conductivity
between the
cards.
2
3
23
3
Promptly report any
conditions that may lead to
security problems.
security problems.
d
Tidy up big bundles of
cables, and avoid crossing
or twisting them whenever
possible.
Do not twist, bend, stretch or
squeeze optical fibers during
installation. The bending
radius of the optical fibers
should be no smaller than 30
mm.
Reserve proper margins
between cable connectors
and the first binding points,
so that the cables can be
easily plugged or unplugged
and stress will not be
produced at the connecting
points.
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