H3C LS-3100-16TP-EI-H3-A-O Installation Manual

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H3C LS-3100-16TP-EI-H3-A-O Installation Manual Manual pdf 44 page image

Installation ManualH3C S3100 Series Ethernet Switches Chapter 2 Installation Preparation2-1Chapter 2 Installation Preparation2.1 PrecautionsTo avoid any device impairment and body injury resulting from improper use, pleasetake the following precautions:z Before cleaning the switch, disconnect the power. Do not clean the switch with wetcloth or liquid.z Keep the switch away from water or dampness. Prevent water or moisture fromentering the switch chassis.z Do not place the switch on an unstable case or desk, because the switch might bedamaged severely in case of a fall.z Keep the switch room drafty and the switch ventilation hole free of obstruction.z The switch can operate normally only under correct voltage input. Make sure thatthe operating voltage is consistent with that labeled on the switch.z To prevent electric shock, do not open the chassis while the switch is operating,and do not open the chassis arbitrarily even when the switch is powered off.z Before changing interface cards, wear an ESD-preventive wrist strap to preventthe cards from being damaged by electrostatic discharge.2.2 Requirements on EnvironmentS3100 Series Ethernet Switches must be used indoors. When you install your switch ina cabinet or on a desk, you must ensure:z Enough space is reserved near the air-intake hole and the ventilation hole of theswitch for heat dissipation of the switch chassis.z The cabinet or the workbench takes good ventilation and heat dissipation system.z The cabinet or the desk is solid enough to bear the weight of the switch and theaccessories.z The cabinet or the desk is well grounded.To ensure normal operation and to prolong the life span of the switch, the followingrequirements on the installation site must also be satisfied.2.2.1 Temperature/Humidity RequirementsYou should keep your equipment room within the proper temperature and humidityranges to ensure the normal operation and working life of your switch. If the humidity inthe equipment room is too high for a long time, it may decrease the insulation attributeof insulating material or even cause electric leakage of insulating material, and,sometimes, may change the mechanical performance of material and cause the