User's Guide

DRAFT
Page 1-5
17 Mar 2016
23-15-87
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
© Honeywell International Inc. Do not copy without express permission of Honeywell.
Table 1-2 provides a summary of the physical characteristics and equipment specifications of the SCM
component.
Table 1-3 lists the RTCA/DO-160E environmental characteristics of the SDU and SCM.
Table 1-2. SCM Physical Characteristics and Specifications
Characteristic Specification
Related Documents
ARINC characteristics ARINC 781 Mark 3 Aviation Satellite Communications
System
RTCA documents DO-160E, Environmental Conditions and Test
Procedures for Airborne Equipment
SCM Specifications
Physical size
Length 4.7 inches (11.94 cm)
Width 4.0 inches (10.16 cm)
Height 1.0 inch (2.54 cm)
Weight 1.0 pound (0.454 kg)
Mounting information 4 x 0.125" holes on 3.3" x 3.5" spacing, per attachment
1-6 of ARINC 781
Electrical interfaces
Power/control interface as per ARINC 781
Power requirements Powered by SDU
Table 1-3. ARINC 781-500 SDU and SCM ERTCA/DO-160E Environmental Characteristics
Section
Environmental Condition Category
4.0 Temperature and Altitude A2
4.5.1 Ground Survival Low A2
4.5.2 Operating Low Ambient A2
4.5.3 Short Time Operating High A2
4.5.4 Operating High Ambient A2
4.5.5 In Flight Loss of Cooling A2
Ground Survival Low Temperature A2
Ground Survival High Temperature A2
4.6.1 Altitude A2
5 Temperature Variation B
6 Humidity A
7 Operational Shock and Crash Safety B
8.5.2 Vibration Standard – Random S, Curve B
DRAFT as of
4 Mar 2016