AT&T 3B2/300 Technical Reference Manual page 94

EQUIPMENT D E S C R I P T I O N - - - - - - - - - - - - - - - - - - - - - - - - - -
AT&T DCM/4E Equipment Characteristics
Physical.
Height
Width
Depth
Electrical.
Voltage
Frequency
Environmental.
Temperature
Humidity
4 inches
11 inches
12.5 inches
120 V AC, 1.5 Amperes Domestic
240 V AC, 0.75 Amperes International
50/60 Hz
40°F to 100°F
5°C to 38°C
20% to 80%, noncondensing
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