installation and operation.
To avoid any equipment damage or bodily injury, read the following safety recommendations before
installation. Note that the recommendations do not cover every possible hazardous condition. For more
information, see the Compliance and Safety Guide included with your device.
• Before cleaning the switch, remove the power cords from the switch. Do not clean the switch with
wet cloth or liquid.
• Do not place the switch near water or in a damp environment. Prevent water or moisture from
entering the switch chassis.
• Do not place the switch on an unstable case or desk. The switch might be severely damaged in case
of a fall.
• Ensure good ventilation of the equipment room and keep the ventilation vents of the switch free of
obstruction.
• Connect the yellow-green protection grounding cable before power-on.
• Make sure that the operating voltage is in the range labeled on the power supply of the switch.
• To avoid electrical shocks, do not open the chassis when the switch is operating or when the switch
is just powered off.
• When replacing FRUs, wear an ESD wrist strap to avoid damaging the units.
Examining the installation site
The switch must be used indoors. You can mount your switch in a rack or on a workbench, but make sure:
• Adequate clearance is reserved at the air inlet and exhaust vents for ventilation.
• The rack or workbench has a good ventilation system.
• The rack is sturdy enough to support the switch and its accessories.
• The rack or workbench is correctly earthed.
To ensure normal operation and long service life of your switch, install it in an environment that meets the
requirements described in the following subsections.
Temperature/humidity
Maintain appropriate temperature and humidity in the equipment room.
• Lasting high relative humidity can cause poor insulation, electricity creepage, mechanical property
change of materials, and metal corrosion.
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