Digital Equipment DECserver 700-08, Руководство владельца оборудования, Страница: 18 / 77

2–2 Site Preparation and Maintenance
Table 2–2: Acoustics
Parameter Measurement
L
WAd
1
4.1 bels (L
WA
= 3.8 bels)
L
pAm
(bystander)
1
27 dBA
1
Preliminary declared values per ISO 9296 and ISO 7779. Current values are available from
Digital representatives.
2.2 Environmental Requirements
Environmental requirements for temperature and humidity must be within the
ranges shown in Table 2–3.
Table 2–3: Environmental Specifications of the DECserver 700
Parameter Minimum Maximum
Temperature
1
Operating 5
°
C (41
°
F) 50
°
C (122
°
F)
Nonoperating – 40
°
C (– 40
°
F) 66
°
C (151
°
F)
Maximum rate of
temperature change per hour 20
°
C (36
°
F
)
Altitude
Operating 2438 m (8000 ft)
Nonoperating 4876 m (16000 ft)
Relative humidity
Operating (noncondensing) 10% 95%
Nonoperating (noncondensing) 10% 95%
1
For high altitude sites, decrease the operating temperature specification by 1.8
°
C for each
1000 m (1
°
F for each 1000 ft) above sea level.