
A–2
DECrepeater 90C Specifications
Environmental Specifications
The DECrepeater 90C is designed to operate in an office environment
or equipment room environment such as telephone closets or satellite
equipment rooms. It is not intended to operate in an air plenum.
Operating Environment
Condition
Value
Temperature
5°C to 50°C (41°F to 122°F)
Maximum rate of
change
20°C/hr (36°F/hr)
Relative humidity
10% to 95% (noncondensing)
Wet-bulb
temperature
32°C ( 90°F) maximum
Dew point
2°C (36°F) minimum
Altitude
Sea level to 2.4 km (8000 ft)
Air flow
Convectively cooled. A minimum of 10 cm (4 in) of
space must be provided on both ends of the repeater for
adequate air flow.
Shipping Environment Specifications
Condition
Value
Temperature
-40°C to 66°C (-40°F to 151°F)
Relative humidity
10% to 95% (non-condensing)
Altitude
Sea level to 4.9 km (16,000 ft)