Specifications

AA21-400 Cabin PA System Manual SM34 Rev. 4.00
1.4.2 Physical Specifications
Height 1.11 ± 0.03” (28.1 ± 0.8 mm)
Depth 6.53 ± 0.03” (165.9 ± 0.8 mm) behind panel (including
connector).
Width 4.96 ± 0.03” (126.0 ± 0.8 mm) behind panel.
5.75 ± 0.03” (146.1 ± 0.8 mm) in front of panel.
Weight 1.40 ± 0.07 lbs. (0.64 ± 0.03 kg)
Mounting Std. Dzus Mounting (4 fasteners)
Faceplate Engraved acrylic edge lit panel, with 28 Vdc backlighting.
Material/Finish Chassis & cover: 5052-H32 brushed aluminum with
chromate conversion finish.
Heat sinks: de-burred 6063-T6 aluminum with chromate
conversion finish.
Connector Male filtered 25 pin D-subminiature with Positronics
V5 locking tabs.
1.4.3 Environmental Specifications
Operating Temp -30° C to +55° C
Survival Temp -55° C to +85° C
Humidity > 95%
Altitude 25,000 ft.
DO-160D Env. Cat. B4-BAB[(SBM)(UF)]XXXXXXZBABB[TTX]MXXXX
TSO Compliance TSO-C50c, RTCA DO170 Class II
(Applicable to units Serial # 1200 and up)
Page 1-4 Nov 10, 2003
ENG-FORM: 800-0106.DOT Amendment #2 May 24, 2006
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.