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INSTALLATION REQUIREMENTS/ SPECIFICATIONS
2-5
POWER SUPPLY REQUIREMENTS
Parameter Typical Worst
Value Case
120V Input Voltage: 120 V 90 to 130 V
Input Current
NB20E: 0.5 Amps 1.0 Amps
NB25E: 0.75 Amps 1.5 Amps
Frequency Range: 47 - 63 Hz
220V Input Voltage: 220 V 180 to 264 V
Input Current
NB20E: 0.25 Amps 0.5 Amps
NB25E: 0.375 Amps 0.75 Amps
Frequency Range: 47 - 63 Hz
Overload Protection
Input: (2) 3AG 3 amp fuses in series with both primary
inputs.
Output: (2) 3AG 1 amp fuse for each AUI port.
ENVIRONMENTAL REQUIREMENTS
Operating Temperature: +5
°
to +40
°
C
Non-operating Temperature: -30
°
to +90
°
C
Operating Humidity: 5 to 95% (non-condensing)