Northern Airborne Technology AA20 - Manual (Page 6)

AA20 Series PA/Siren System
SM33-1 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-2
ENG-FORM: 800-0113.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Power Key External switched +28 Vdc @ 250 mA max. available to activate
remote PA110/220 amplifiers
Key Logic
Ground-seeking inputs for all lines
1.4.2 Physical Specifications
Height 1.12" (28.4 mm) max.
Depth
6.56" (166.6 mm) max. (behind panel)
Width
5.76" (146.3 mm) max. (front panel)
5.01" (127.3 mm) max. (rear enclosure)
Weight
1.1 lbs (0.5 kg) (excluding mating connector)
Mounting
Standard Dzus Mounting (four fasteners)
1.4.3 Environmental Specifications
Temperature -20 to +55
°C (ambient)
Altitude
35,000 feet max.
Humidity 95%
Non-condensing
Shock
12g (any axis)
1.5 Unit Nomenclature
AA20-030 Standard swept siren, adjustable rate/tone
Mode select, PA/Radio monitor
30 W output into 8
Ω
PA and Siren override at all times
Radio Monitor function
+28 Vdc switched power output
Use with PA110 and PA220 series amplifiers
AA20-050/050H
Standard swept siren, adjustable rate/tone
Mode select: Internal/External PA
30 W output into 8
Ω
PA and Siren override at all times
Radio Monitor function
Use with PA110 and PA220 series amplifiers
Adjustable internal level (-050 = 4 W, -050H = 25 W max.)