User's Guide

DRAFT
Page INTRO-1
17 Mar 2016
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
© Honeywell International Inc. Do not copy without express permission of Honeywell.
INTRODUCTION
This manual provides the specifications, principles of operation, and information necessary to install the ARINC
781-500 Avionics SATCOM System, including the Satellite Data Unit (SDU) and SDU Configuration Module
(SCM).
This document is divided into the following sections:
• System Description
• System Operation
• Installation
• Testing and Fault Isolation
• Maintenance and Repair
• Appendix A: Return Material Authorization.
NOTE: An Illustrated Parts List is not included with this manual.
Only qualified avionics personnel who are knowledgeable in the technical and safety issues related to the
installation of aircraft communications equipment should perform the installation procedures provided in this
manual.
This manual includes general installation guidelines only; it is not intended to provide specific procedures for
every type of installation.
If necessary, the information in this manual will be revised. Before attempting the installation procedures
presented in this manual, verify that you have a complete and up-to-date release of this document.
1. Illustration of Equipment
Figure INTRO-1 shows the SDU.
Figure INTRO-1. Satellite Data Unit
DRAFT as of
4 Mar 2016