DG-GS4628E2 / DG-GS4628HPE-P Installation Guide
regularly to extend the lifespan of the switch.
When using SFP transceiver, do not stare directly at the fiber bore when the switch is
in operation. Otherwise the laser may hurt your eyes.
Do not attempt to conduct the operations which can damage the switch or which can
cause physical injury.
Do not install, move or disclose the switch and its modules when the switch is in
operation.
Do not open the switch shell.
Do not drop metals into the switch. It can cause short-circuit.
Do not touch the power plug and power socket.
Do not place the tinder near the switch.
Do not configure the switch alone in a dangerous situation.
Use standard power sockets which have overload and leakage protection.
Inspect and maintain the site and the switch regularly.
Have the emergence power switch on the site. In case of emergence, switch off the
power immediately.
According to the require of standard GB9254-2008 information technology equipment
radio disturbance limits and methods of measurement, information technology
equipment divided into A level ITE and B level ITE.
A level ITE is the information technology equipment that satisfied A level limit but not
satisfied B level limit.
Note: For this kind of equipment, the sales should not be limited but it must includes
the following statement in related direction for use.
Warning
This is class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Caution!
Potential risk include: Electric leakage, Power supply arcing, Power line
breakage, Imperfect earth, Overload circuit and Electrical short circuit..If electric
shock, fire, electrical short circuit occurs, please cut off the electricity supply and
alarm rapidly. Rescue the injured person in the contingency under inherently safe,
give the injured person proper first aid treatment according to the injury state, and
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