Installation Manual
H3C WA2200 Series WLAN Access Points
Chapter 2 Installation Preparations
2-3
2.3.2 Temperature and Humidity Requirements
Table 2-3 lists the operating temperature and humidity requirements.
Table 2-3
Environment specifications
Specification
Range
Recommended
value
Test
condition
Operating
temperature (indoor)
0°C to 45°C (32°F to
113°F)
25°C (77°F)
None
Operating
temperature (outdoor)
–30°C to +55°C (–22°F
to +131°F)
25°C (77°F)
None
–20°C to +35°C (–4°F to
+95°F)
25°C (77°F)
No longer
than one
year
–20°C to +45°C (–22°F
to +113°F)
25°C (77°F)
No longer
than three
months
Storage temperature
–20°C to +55°C (–22°F
to +131°F)
25°C (77°F)
No longer
than one
month
Relative humidity
(noncondensing)
10% to 95%
—
None
2.3.3 Power Supply
Check that the site power supply is stable. The centralized AC power system consisting
of mains, UPS, and self-supplied diesel generator should be
z
Easy to connect
z
Safe to operate
z
Flexible to dispatch
z
Convenient to maintain
The low-voltage power supply should adopt the single-phase three-wire system. Table
2-4 lists the nominal voltage and frequency of the low-voltage AC power supply.
Table 2-4
Nominal voltage and frequency of the low-voltage AC power supply
Power supply
Nominal voltage
Stable frequency
Single-phase three-wire
100 VAC to 240 VAC
50 Hz/60 Hz