H3C S5500-SI Series Installation Manual

Also see for S5500-SI Series: Configuration Operation manual Configuration guide Configuration guide Configuration guide

2-12 Preparing for InstallationSafety PrecautionsTo avoid any device impairment and bodily injury caused by improper use, observe these rules:z Before cleaning the switch, unplug the power plug of the switch first. Do not clean the switch withwet cloth or liquid.z Do not place the switch near water or in a damp environment. Prevent water or moisture fromentering the switch chassis.z Do not place the switch on an unstable case or desk. The switch might be damaged severely incase of a fall.z Ensure proper ventilation of the equipment room and keep the ventilation vents of the switch free ofobstruction.z Make sure that the operating voltage is the same as the voltage labeled on the switch.z Do not open the chassis while the switch is operating or when electrical hazards are present toavoid electrical shocks.z When replacing interface cards, wear ESD-preventive gloves to avoid damaging the cards.Installation SiteThe S5500-SI series must be used indoors. You can mount your switch in a rack or on a workbench, butmake sure:z Adequate clearance is reserved at the air inlet/exhaust vents for ventilation.z The rack or workbench has a good ventilation system.z The rack is sturdy enough to support the device and its accessories.z The rack or workbench is well earthed.To ensure normal operation and long service life of your switch, install it in an environment that meetsthe requirements described in the following subsections.Temperature/HumidityYou must maintain a proper temperature and humidity in the equipment room. Long-term high humiditymay lead to bad insulation, electricity leakage, mechanical property changes, and metal corrosion.However, if the relative humidity is two low, captive screws may become loose as the result ofcontraction of insulation washers and static electricity may be produced in a dry environment tojeopardize the circuits on the device. High temperature is the most undesirable condition, because itaccelerates aging of insulation materials and can thus significantly lower reliability and service life ofyour switch.For the temperature and humidity requirements of different models, refer to Table 1-1.CleannessDust is a hazard to the operating safety of your device. The dust accumulated on the chassis can beadsorbed by static electricity and result in poor contact of metal connectors or metal contact points.