Examining the installation site, Weight support, Temperature – H3C Technologies H3C SR8800 User Manual

Page 29: Humidity

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Examining the installation site

The H3C SR8800 routers can only be used indoors. To make sure the router operates correctly and to
prolong its service lifetime, the installation site must meet the requirements in this section.

Weight support

Evaluate the floor loading as compared to the actual weight of the router and its accessories (such as

rack, chassis, cards, and power supply units), and make sure the floor can support the weight of the rack

and the router chassis. For the weights of the router components, see "Appendix A Technical

specifications."

IMPORTANT:

Consider expansion of your router in the future (for example, installing a new card) when evaluating the
floor loading.

Temperature

CAUTION:

If condensation appears on the router when you move it to a high-temperature environment, dry the router
before powering it on to avoid short circuits.

To ensure the normal operation of the router, make sure the room temperature meets the requirements

described in

Table 8

.

Table 8 Temperature requirements

Temperature Range

Operating temperature

Long term: 0°C to 45°C (32°F to 113°F)
Short term: –10°C to +55°C (14°F to 131°F) (no more than 96
hours of continuous operation in less than 15 days in one year)

Storage temperature

–40°C to +70°C (–40°F to +158°F)

Humidity

Maintain appropriate humidity in your equipment room, as described in

Table 9

.

Table 9 Humidity requirements

Humidity Range

Operating humidity (noncondensing)

5% to 95%

Storage humidity (noncondensing)

5% to 95%

Lasting high relative humidity can cause poor insulation, electricity creepage, mechanical property
change of materials, and metal corrosion. Lasting low relative humidity can cause washer contraction

and ESD and bring problems including loose captive screws and circuit failure.

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