Nat AA38-301 - Physical Specifications; Environmental Specifications; Product Approval; Unit Nomenclature

AA38-3xx Series Local ICS Loop
SM37 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-3
ENG-FORM: 800-0114.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4.2 Physical Specifications
AA38-300 AA38-301
Height
Max.
1.31"
(33.3 mm)
2.31”
(58.7 mm)
Depth 4.60" (116.8 mm) max. including connector
Width 4.50" (114.3 mm) max. including flanges
Weight
Max.
0.55 lbs
(0.25 Kg)
1.01 lbs
(0.45 Kg)
Mounting Bulkhead mount with four 10-32 screws
Material/
Finish
5052-H32 brushed aluminum with chromate conversion finish
Connectors Filtered male 37-pin D-subminiature.
connector with jack posts.
Two filtered male 37-pin
D-subminiature. connector with
jack posts.
1.4.3 Environmental Specifications
Temperature -30 to +55 C (operating)
-55 to +85
C (survival)
Altitude 25,000 feet max.
Humidity 95%
Qualification of the AA38-300 Local ICS Loop was completed in accordance with
DO-160C Env. Cat. B4-CA[BMN]XXXXXXZBABBTZXXX.
Note: Refer to Environmental Qualification Form located in Section 2 of this Manual for complete details
of the environmental categories.
1.4.4 Product Approval
FAA: TSO-C50c (RTCA/DO-170 Class 1a)
Note: Applicable to AA38-300 and AA38-301 units serial number 3000 and up.
1.5 Unit Nomenclature
AA38-300 Intercom functions for eight users
Selectable NAT ICS or Andrea Tie Line
ICS volume, AUX volume and VOX controls
Live and VOX Intercom modes
VOX operation LED and 28 Vdc Power LED
The document reference is online, please check the correspondence between the online documentation and the printed version.