User's Manual
Table Of Contents
- Customer Response Form
- Record of Revisions
- Service Bulletin List
- List of Effective Pages
- Introduction
- System Description
- System Operation
- 1. Registering and Activating Terminals
- 2. Using the A781-200 System
- 3. Channel Status and System Configuration
- 4. Maintenance Mode
- Installation
- Test and Fault Isolation
- Maintenance and Repair
- Appendix A: Return Material Authorization
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-200 SDU and SCM
23-15-30 1-5
DATE TBD
Table 1-2 provides a summary of the physical characte
ristics and equipment specifications of
the SCM component.
Table 1-2 SCM Physical Characteristics and Specifications
CHARACTERISTIC SPECIFICATION
RELATED DOCUMENTS
ARINC characteristics ARINC 781 Mark 4 Aviation Satellite
Co
mmunications System
RTCA documents DO-254, Design Assurance Guidance for Airborne
Elec
tronic Hardware
DO-160E, Environmental Conditions and Test
Pr
ocedures for Airborne Equipment
SCM SPECIFICATIONS
Physical Size
Length 11.43 cm (4.5 in)
Width 10.16 cm (4.0 in)
Height 2.54 cm (1.0 in)
Weight 0.454 kg (1.0 lbs)
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 + 12 V ± 5% (derived from SDU)
Electrical Interfaces
Power/Control interface as per ARINC 781
Power Requirements
Input Voltage (AC) 96 to 122 V AC, 300 to 900 Hz
Power Consumption 400 VA
Table 1-1 SDU Physical Characteristics and Specifications (Continued)
CHAR
ACTERISTIC SPECIFICATION