Northern Airborne Technology NPX136D - Manual (Page 8)

NPX136D Series Panel Mount P25 VHF Transceiver
SM68 Installation and Operation Manual
Section 1 Rev: 1.00
Issue 4 Page 1-4
1.4.6 Environmental Specifications
Temperature -30 C to +60 C
Altitude 50,000 feet
Humidity 95 %
Shock 6g (any axis)
RTCA/DO-160D Env. Cat. [(A4)(D1)]BAB(SBM) 1 XXXXXXZBABA[UUX]MXXXX
1.5 Unit Nomenclature
NPX136D radios are identified as follows:
NPX136D - 000
ENG-FORM: 800-0115.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Lighting Power Special Options
1.5.1 Lighting Power
The digit in the first position of the unit suffix indicates the lighting power used.
NPX136D - 000
0 = 28 Vdc Lights
1.5.2 Special Options
The digit in the second position of the unit suffix indicates any special options installed.
NPX136D - 000
0 = No Guard installed
7 = Two channel synthesized Guard
1.5.3 Other Options
The digit in the third position of the unit suffix is currently not assigned.
NPX136D - 000
1 Vibration also qualified to DO-160C, Sec. 8, Cat. N.