SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
TO HOLDERS OF MULTI-CHANNEL SATCOM SYSTEM, SYSTEM DESCRIPTION, INSTALLATION, AND
MAINTENANCE MANUAL WITH ILLUSTRATED PARTS LIST 23-20-35, REVISION 0, DATED 15 JUL 2006.
INSERT THIS PAGE AS THE FIRST PAGE OF THE MANUAL.
Temporary
Revision
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Applicable Page Number
23-1 TC-9
INTRO-5
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Publication Number A15-5111-010
© Honeywell International Inc. Do not copy without express permission of Honeywell.
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
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Copyright - Notice
Copyright 2009 Honeywell International Inc. All rights reserved.
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© Honeywell International Inc. Do not copy without express permission of Honeywell.
Honeywell International Inc.
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U.S.A.
(CAGE 55939)
Telephone: (800) 601--3099 (U.S.A.)
Telephone: (602) 365--3099 (International)
System Description, Installation, and
Maintenance Manual
with illustrated parts list
Multi--Channel SATCOM System
System Designation Type
MCS--4200 4 --Channel
MCS--7200 7 --Channel
This document contains technical data and is subject to U.S. export regulations. These commodities,
technology, or software were exported from the United States in accordance with the export administration
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Publication Number A15--5111--010, Revision 000
15 Jul 2006
Honeywell International Inc. Do not copy without express permission of Honeywell.
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Honeywell--Confidential
THIS COPYRIGHTED WORK AND ALL INFORMATION ARE THE PROPERTY OF HONEYWELL
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
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SERVICE BULLETIN LIST
Service Bulletin
Identified
Mod
Date Included
in this Manual
Description
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LIST OF EFFECTIVE PAGES
Subeading and Page Date Subeading and Page Date
Title
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Record of Revisions
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Record of Temporary Revisions
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Service Bulletin List
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Table of Contents
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Introduction
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System Description
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System Operation
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Cabin/Cockpit Communications
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Mechanical Installation
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Maintenance Practices
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Appendix A
Vendor Equipment
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Appendix B
Installation Procedures For
SATCOM Air Filtration
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Appendix C
Owner Requirements Table
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Appendix D
Call Events Log (CEL)
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Appendix E
Messaging
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Appendix F
Failure Overview
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Index
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INDEX--6 15 Jul 2006
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
TABLE OF CONTENTS
Subject Page
INTRODUCTION INTRO--1...........................................................
1. How to Use This Manual INTRO--1................................................
A. General INTRO-- 1...........................................................
B. Symbols INTRO--1..........................................................
C. Weights and Measurements INTRO--2.........................................
2. Customer Support INTRO--2......................................................
A. Honeywell Aerospace Online Technical Publications Web Site INTRO--2...........
B. Customer Response Center INTRO--2.........................................
3. References INTRO--2............................................................
A. Honeywell Publications INTRO--2.............................................
B. Other Publications INTRO-- 3..................................................
4. Acronyms and Abbreviations INTRO--3............................................
A. General INTRO-- 3...........................................................
5. Maximum Permissible Exposure Level INTRO--9....................................
A. General INTRO-- 9...........................................................
SECTION 1
SYSTEM DESCRIPTION 1--1...................................................
1. Overview 1--1..............................................................
A. General 1--1...........................................................
B. Aircraft Earth Station – General 1--4......................................
C. Space Segment 1--14....................................................
D. Ground Earth Station/Land Earth Station 1--14..............................
E. Terrestrial Data and Voice Networks 1--14..................................
2. System Components 1--16...................................................
A. General 1--16...........................................................
3. System Description 1--17.....................................................
A. General 1--17...........................................................
B. Satellite Data Unit 1--21..................................................
C. High Speed Data Unit 1--23...............................................
D. High Power Amplifier 1--24...............................................
E. Avionics Configurations 1--25.............................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject
4. MCS--4200/7200 Component Descriptions 1--25................................
A. Physical Description 1--25................................................
B. Satellite Data Unit (SDU) 1--25............................................
C. High Speed Data Unit (HSU) 1--30.........................................
D. High--Power Amplifier (60 Watt) 1--34......................................
E. Radio Frequency Unit Interface Adapter (RFUIA) 1--38.......................
F. ARINC 429 Data Requirements 1--42......................................
G. Nameplates (SDU, HSU, HPA) 1--42.......................................
H. Software and Hardware Compatibility (SDU, HSU and HPA) 1--44.............
5. Summary 1--45..............................................................
A. General 1--45...........................................................
SECTION 2
SYSTEM OPERATION 2--1.....................................................
1. Overview 2--1..............................................................
A. General 2--1...........................................................
Page
2. AES Management 2--1......................................................
A. General 2--1...........................................................
B. HSDU Installed 2--3....................................................
3. System Log-On/Log-Off 2--3.................................................
A. General 2--3...........................................................
B. Automatic Log-On 2--5..................................................
C. Constrained Log-On 2--6................................................
D. Log-On Mode Selection 2--6.............................................
E. Handover 2--7.........................................................
F. Log-Off 2--7...........................................................
4. System Software/Database Updates 2--8......................................
A. General 2--8...........................................................
B. Software Upload Process 2--8...........................................
C. Validation of the Software Upload File 2--9.................................
5. Owner Requirements Table 2--10..............................................
A. General 2--10...........................................................
6. ORT Upload/Download Process 2--11..........................................
A. General 2--11...........................................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject Page
B. Startup 2--11............................................................
C. ORT Download 2 --11....................................................
D. Control Mode ORT Upload Procedures 2--11................................
E. Auto Mode ORT Upload Procedure 2--13...................................
7. Circuit-Mode Services 2--13..................................................
A. Circuit-Mode Voice 2--13.................................................
B. Circuit-Mode Data 2--13..................................................
8. Packet-Data Services 2--15...................................................
A. General 2--15...........................................................
9. Dual SATCOM Configuration 2--16............................................
A. Overview 2--16..........................................................
B. Dual System Control/Status Interfaces 2--17................................
C. System Reversion 2--18..................................................
D. Antenna Configurations 2--19.............................................
E. Cockpit Voice Configurations and Functionality 2--27.........................
SECTION 3
CABIN/COCKPIT COMMUNICATIONS 3--1.......................................
1. Cabin Communications 3--1.................................................
A. General 3--1...........................................................
B. Cabin Communications System 3--1......................................
C. Analog Audio Channels 3--2.............................................
2. Cockpit Communications 3--14................................................
A. General 3--14...........................................................
B. Headset Off-Hook Signaling 3--14.........................................
C. Headset On-Hook Signaling 3--15.........................................
D. Voice Codec Module Audio Switching 3--15.................................
E. Voice Codec Module Sidetone 3--15.......................................
F. Voice Interface Module Stored Audio Messages 3--15........................
G. Voice Interface Module Dedication 3--17....................................
SECTION 4
MECHANICAL INSTALLATION 4--1..............................................
1. Overview 4--1..............................................................
A. General 4--1...........................................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject
2. Equipment and Materials 4--1................................................
A. General 4--1...........................................................
3. Mechanical Installation Design 4--1...........................................
A. LRU Mechanical Installation 4--1.........................................
B. Installation Dependent Considerations 4--2................................
C. Owner Requirements Table (ORT) Uploading 4--2..........................
D. Cable Loss Requirements 4--2...........................................
E. Cooling Requirements 4--3..............................................
F. Vendor Supplied Equipment 4--4.........................................
SECTION 5
ELECTRICAL INSTALLATION 5--1..............................................
1. Overview 5--1..............................................................
A. General 5--1...........................................................
2. Equipment and Materials 5--1................................................
A. General 5--1...........................................................
Page
3. Electrical Installation Procedure 5--1..........................................
A. Connector Layout and Contact Arrangement 5--1...........................
B. Electrical Installation 5--21................................................
4. Configuration Pins 5--57......................................................
A. General 5--57...........................................................
B. Availability of ARINC 429 ICAO ADDRESS (AES ID) from 429 Ports 5--58......
C. FMC Connection to SDU 5--60............................................
D. ARINC 429 Speed to/from CMU No. 1 and CMU No. 2 5--60..................
E. Cabin Packet Data Function (CPDF) 5--61..................................
F. ARINC 429 BUS Speed of AES ID Input 5--61..............................
G. HSU Presence 5--61.....................................................
H. SDU Controller Type 5--62................................................
I. Call Light On (Air/Ground Calls) 5--62......................................
J. Strap Parity (ODD) 5--62.................................................
K. Cabin Communications System (CCS) 5-- 63................................
L. Inertial Reference System (IRS) 5-- 63......................................
M. HPA/Antenna Subsystem Configuration 5--64...............................
N. CFDS/CMC 5--65........................................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject Page
O. SDU Configuration 5--66.................................................
P. SDU Number 5--66......................................................
Q. CMU No. 1 and No. 2 Configuration 5--67..................................
R. MCDU/WSC No. 1 thru No. 3 Configuration 5--67............................
S. Priority 4 Calls to/from Cockpit 5--68.......................................
T. ARINC 429 BUS Speed to MCDU No. 1/MCDU No. 2/MCDU No. 3 5--69.......
U. Cockpit Voice Call Light/Chime Option 5--69................................
V. SDU CODEC 1 and CODEC 2 Wiring 5--70.................................
W. Cockpit Hookswitch Signaling Method 5--70................................
X. CM--250 CGU Connection Configuration 5--72..............................
Y. Cockpit Call Discrete Signaling Mode 5--72.................................
Z. Strap Parity 5--73........................................................
SECTION 6
TESTING/FAULT ISOLATION 6--1...............................................
1. Overview 6--1..............................................................
A. General 6--1...........................................................
B. Definitions 6--2.........................................................
C. Failure Detection and Reporting Levels 6--3...............................
D. LRU Coverage 6--3.....................................................
E. Monitoring and Testing Functions 6--4.....................................
F. Failure Recording 6--7..................................................
G. Failure Reporting 6--8...................................................
H. Miscellaneous BITE Requirements 6--20...................................
I. Maintenance Activity Log 6--20............................................
2. SATCOMControl and Display Unit 6--21.......................................
A. General 6--21...........................................................
B. SCDU Display Terminology and Basic Operation 6--21.......................
C. SCDU Page Hierarchy 6--25..............................................
D. SCDU Pages 6 --25......................................................
3. Maintenance Computer Interface 6--90.........................................
A. General 6--90...........................................................
B. Boeing 747--400 CMC/777 OMS 6--90.....................................
C. Airbus/Douglas CFDS 6--93...............................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject
D. Central Aircraft Information and Maintenance System 6--94...................
E. Level I Failure Messages and ATA Reference Numbers 6--95.................
4. SCDU for Dual SATCOM 6--121................................................
A. General 6--121...........................................................
B. SATCOM Logical Channels 6-- 121..........................................
C. SATCOM(Cross-Talk Bus Failed) 6--121....................................
D. SATCOM 6--121..........................................................
E. SATCOM Menus 6--121...................................................
5. Maintenance Panel Assembly 6--121............................................
A. General 6--121...........................................................
SECTION 7
MAINTENANCE PRACTICES 7--1...............................................
1. Overview 7--1..............................................................
A. General 7--1...........................................................
2. Equipment and Materials 7--1................................................
Page
A. General 7--1...........................................................
3. Procedure for Antennas 7--2.................................................
A. General 7--2...........................................................
B. Antenna Weather Protection 7--2.........................................
C. Antenna Hardware 7 --2.................................................
D. General Antenna Removal Instructions 7--3................................
4. Procedure for the LRUs 7--3.................................................
A. LRU Removal 7--3......................................................
B. LRU Installation 7--3....................................................
5. Owner Requirements Table Uploading 7--4....................................
A. General 7--4...........................................................
6. Instructions for Continued Airworthiness, FAR 25.1529 7--5......................
A. General 7--5...........................................................
APPENDIX A
VENDOR EQUIPMENT A--1.....................................................
1. Overview A--1..............................................................
A. General A--1...........................................................
2. Electronic Cable Specialists A-- 1.............................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject Page
A. General A--1...........................................................
B. Radio Frequency Components A--1.......................................
C. Cable Assembly Fabrication A--1.........................................
D. Cable Assembly Testing A--2.............................................
E. ARINC 600 Connectors A--2.............................................
F. SATCOM Avionics Unit Mounting Hardware A--4...........................
G. SATCOM Hardware Component Kits A--4..................................
H. Air Filtration Assemblies A--19.............................................
I. SATCOM Shelf Assemblies A--19..........................................
J. Additional Avionics Installation Components A--19...........................
K. Antenna System Provisions A--19..........................................
L. Cabin Communications System Provisions A--19............................
M. Wire Harnesses A--19....................................................
N. Complete Integrated SATCOM Installation Kits A--20.........................
3. Hollingsead International A--20................................................
A. General A--20...........................................................
B. Engineering Services A--20...............................................
C. LRU Mounting Requirements A--21........................................
D. Installation Kit Components A--21..........................................
4. Signal Conditioning Unit A--26.................................................
A. General A--26...........................................................
B. Operator Functions A--27.................................................
C. Control Functions A--28..................................................
D. System Functions A--29..................................................
E. ARINC 600 Connector Pin Assignments A--33...............................
APPENDIX B
INSTALLATION PROCEDURES FOR SATCOM AIR FILTRATION SYSTEMS B--1.....
1. Introduction B--1............................................................
A. General B--1...........................................................
2. Continued Airworthiness B-- 1................................................
A. General B--1...........................................................
3. Equipment and Materials B--2................................................
A. General B--2...........................................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Subject
4. Installation Instructions B-- 4..................................................
A. Top Mount Assembly B--4...............................................
B. Body--Mounted Assembly B-- 8...........................................
C. Tray--Mounted Assembly B--9............................................
APPENDIX C
OWNER REQUIREMENTS TABLE C--1...........................................
1. Overview C--1..............................................................
A. General C--1...........................................................
APPENDIX D
CALL EVENTS LOG (CEL) D--1.................................................
1. Call Events Log D--1........................................................
A. General D--1...........................................................
2. Commentary D--4...........................................................
A. Most Significant Digit D--4...............................................
B. SLCV And Detailed Code Definitions D-- 4.................................
Page
C. HSD ISDN Call SLCV And Detailed Codes D--9............................
APPENDIX E
MESSAGING E--1..............................................................
1. PPPoE Messaging E--1.....................................................
A. General E--1...........................................................
B. PPPoE Active Discovery Offer (PADO) E--1................................
C. PPPoE Active Discovery Request (PADR) E--3.............................
D. PPPoE Active Discovery Session--Confirmation (PADS) E--5.................
E. PPPoE Active Discovery Termination (PADT) E--5..........................
APPENDIX F
FAILURE OVERVIEW F--1......................................................
1. Fault Codes F--1...........................................................
INDEX INDEX--1....................................................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 3 OF 53 FACING PAGE TC-9.
Reason: To change Four-Region to Seven-Region and to change the capitalization of INMARSAT to
Inmarsat for Figure 1-3 in the List of Illustrations in the Table of Contents.
The List of Illustrations is changed as follows:
Figure 1-3. Inmarsat Seven-Region Satellite Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .1-13
23-20-35
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Page 3 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Illustrations
Figure Page
Figure Intro--1. Symbols INTRO--2...................................................
Figure Intro--2. Radio Frequency Energy Levels INTRO--10..............................
Figure 1-1. Aviation Satellite Communications System 1--3.....................
Figure 1-2. Aircraft Earth Station Block Diagram 1 --7..........................
Figure 1-3. INMARSAT Four-Region Satellite Coverage 1--13...................
Figure 1-4. MCS--4200/7200 Avionics Block Diagram 1--19......................
Figure 1-5. MCS-- 7200 SDU Equipment Description 1-- 21.......................
Figure 1-6. Satellite Data Unit 1--27..........................................
Figure 1-7. High Speed Data Unit 1--31.......................................
Figure 1-8. High Power Amplifier 1--35........................................
Figure 1-9. RFUIA System Interface Diagram 1--39.............................
Figure 1-10. Radio Frequency Unit Interface Adapter 1 --40.......................
Figure 1-11. MCS-- 4200/7200 SDU LRU Labels 1--43...........................
Figure 2-1. Satellite Audio System 2--14......................................
Figure 2-2. Dual System Wiring Diagram 2 --18.................................
Figure 2-3. HGA + LGA Configuration with Top-Mounted HGAs 2--21.............
Figure 2-4. HGA + LGA Configuration with Side-Mounted HGAs 2--21............
Figure 2-5. HGA + HGA Configuration with Two Top-Mounted HGAs 2--22........
Figure 2-6. HGA + HGA Configuration with Two Side-Mounted HGAs 2--22.......
Figure 2-7. HGA + HGA Configuration with One Side-Mounted
HGA + One Top-Mounted HGA (Dissimilar HGA) 2--23...............
Figure 2-8. LGA + L GA Configuration 2--23...................................
Figure 2-9. (HGA + LGA) + HGA Configuration with Two Side-Mounted HGAs 2--24
Figure 2-10. (HGA + LGA) + HGA Configuration with the LGA Paired with
One Side-Mounted HGA 2--25....................................
Figure 2-11. (HGA + LGA) + HGA Configuration with the LGA Paired with
One Top-Mounted HGA 2 --26.....................................
Figure 2-12. (HGA + LGA) + HGA Configuration with Two Top-Mounted HGAs 2--27.
Figure 3-1. Audio Interfaces 3--3............................................
Figure 4-1. Cable Attenuations 4--3.........................................
Figure 4-2. SD-700 and SD-720 (7516119) Outline and Installation Diagram 4--5.
Figure 4-3. HP--720 (7520006) Outline and Installation Diagram 4--7............
Figure 4-4. RFUIA Outline and Installation Diagram 4--13.......................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Illustrations (cont)
Figure Page
Figure 4-5. HS--720 (7520063) Outline and Installation Diagram 4--17............
Figure 5-1. SDU ARINC 600 Connector Layout 5-- 4...........................
Figure 5-2. Contact Arrangements for Bottom Insert, SDU ARINC 600
Connector 5--7.................................................
Figure 5-3. HPA ARINC 600 Connector Layout 5-- 8...........................
Figure 5-4. Contact Arrangements for the Top Insert 60 Watt HPA
ARINC 600 Connector 5--9......................................
Figure 5-5. Contact Arrangements for Middle Insert, HPA (60 Watt)
ARINC 600 5--11................................................
Figure 5-6. Contact Arrangements for Bottom Insert, HPA (60 Watt)
ARINC 600 Connector 5--13......................................
Figure 5-7. HS--720 ARINC 600 Connector Layout 5--14........................
Figure 5-8. Contact Arrangements for Top Insert, HSU ARINC 600
Connector 5--15.................................................
Figure 5-9. Contact Arrangements for the Middle Insert, HSU ARINC 600
Connector 5--17.................................................
Figure 5-10. Contact Arrangements for the Bottom Insert, HSU ARINC 600
Connector 5--19.................................................
Figure 5-11. RFUIA ARINC 600 Connector Layout 5--20.........................
Figure 5-12. Satellite Data Unit & HSU Interface Diagram 5--23...................
Figure 5-13. CMC Top--mounted High Gain Antenna (HGA) Interface Diagram 5--31
Figure 5-14. WH-- 10 Handset Interface Diagram 5--33...........................
Figure 5-15. HF-SAT Transfer Panel Interface Diagram 5--34.....................
Figure 5-16. Signal Conditioning Unit Interface Diagram 5--35....................
Figure 5-17. Maintenance Panel Assembly Interface Diagram 5 --37...............
Figure 5-18. HS--720 Interface Diagram 5--39..................................
Figure 5-19. HS--720 Forward ID & Configuration Pins 5--41......................
Figure 5-20. Tecom Top --Mount High Gain Antenna Interface Diagram 5--43........
Figure 5-21. Thales Mechanically Steered High Gain Antenna Interface
Diagram 5--45...................................................
Figure 5-22. EMS AMT --50 Mechanically Steered High Gain Antenna Interface
Diagram 5--47...................................................
Figure 5-23. Dassault Conformal High Gain Antenna Interface Diagram 5--49......
Figure 5-24. Ball Conformal High Gain Antenna Interface Diagram 5--51...........
Figure 5-25. Low Gain Antenna Interface Diagram 5--53.........................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Illustrations (cont)
Figure Page
Figure 5-26. Toyocom Top--mounted High Gain Antenna Interface Diagram 5--55...
Figure 6-1. System BITE Communication 6--1................................
Figure 6-2. SATCOM SCDU Page Hierarchy 6--27.............................
Figure 6-3. SATCOM SCDU Main Menu Page 6--29............................
Figure 6-5. SATCOM MAINTENANCE Page 6--34.............................
Figure 6-6. TEST Page 6--36................................................
Figure 6-7. SATCOM SELF--TEST Page 6--41.................................
Figure 6-8. Configuration Data 6--44..........................................
Figure 6-9. DATA LOADER MENU 6--67......................................
Figure 6-10. LAST LEG REPORT Page 6--73...................................
Figure 6-11. PREVIOUS LEG REPORT Page 6--75.............................
Figure 6-12. LRU IDENTIFICATION Page 6--79.................................
Figure 6-13. TROUBLESHOOTING DATA Page 6--82...........................
Figure 6-14. LAST LEG CLASS 3 FAULTS Page 6--84...........................
Figure 6-15. GROUND REPORT Page 6--86...................................
Figure 6-16. GROUND REPORT TROUBLE SHOOTING DATA Page 6--88........
Figure 6-17. Configuration Data Pages for Boeing 777 Installation 6--92...........
FigureA--1. ARINC Connectors A--3.........................................
FigureA--2. ARINC Assembly A--3...........................................
FigureA--3. Dimensions for ECS Tray Assemblies A--5.........................
FigureA--4. Dimensions for Hollingsead Tray Assemblies A--23...................
Figure B-- 1. ECS Top Mount Air Filtration Assembly B--5........................
Figure B --2. Front and Side Views Showing Filter Removal B--10.................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Tables
Table Page
Table 1-1. Classes of Installations 1-- 11.....................................
Table 1-2. Types of Baseband RF Channels 1--12............................
Table 1-3. Ground Earth Stations for Aero H/H+ Services 1--15.................
Table 1-4. Land Earth Stations for Aero Swift64 Services 1--15.................
Table 1-5. System Components Supplied by Honeywell/Thales 1--16...........
Table 1-6. System Components Not Supplied by Honeywell 1--16..............
Table 1-7. SDU Configurations 1--17........................................
Table 1-8. HSU Configuration 1--17.........................................
Table 1-9. HPA Configuration 1--17.........................................
Table 1-10. RFUIA Configuration 1-- 17.......................................
Table 1-11. SD--720 SDU Leading Particulars 1 --28............................
Table 1-12. SD--720 SDU DO--160D Environmental Categories 1--29............
Table 1-13. HS--720 HSU Leading Particulars 1--32............................
Table 1-14. HS--720 HSU DO--160D Environmental Categories 1 --33............
Table 1-15. HP--720 60W HPA Leading Particulars 1--36.......................
Table 1-16. HP--720 60W HPA Environmental Categories 1--37.................
Table 1-17. RFUIA Leading Particulars 1--41..................................
Table 1-18. RFUIA DO--160D Environmental Categories 1--41...................
Table 2-1. Data Set Upload/Download 2--8.................................
Table 2-2. Basic Antenna Configurations 2-- 20...............................
Table 3-1. SDU to WH-10 Handset Actions 3 --5.............................
Table 3-2. Global-Wulfsberg Flitephone WH-10 Commands 3--7...............
Table 3-3. Assignment of DTMF Digits in the APBX Interface 3--13.............
Table 3-4. SDU to APBX Off-Hook Actions 3--13..............................
Table 3-5. Stored Audio Messages 3--16....................................
Table 4-1. Cable Loss Requirements 4--3...................................
Table 4-2. Cooling Requirements 4--4......................................
Table 5-1. ARINC 615 Connector Pin Callouts 5--2..........................
Table 5-2. HSU Front Panel RJ--45 Pin Arrangements 5--2...................
Table 5-3. ARINC 600 Connector Requirements 5--3.........................
Table 5-4. Contact Arrangements for Top Insert, SDU ARINC 600 Connector 5--5
Table 5-5. Contact Arrangements for Middle Insert, SDU ARINC 600
Connector 5--6................................................
Page TC--12
23--20--35
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15 Jul 2006
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Tables (cont)
Table Page
Table 5-6. ICAO Block Strapping 5--29......................................
Table 5-7. Configuration Pins 5--57.........................................
Table 5-8. Availability of ARINC 429 ICAO ADDRESS (AES ID) from 429
Ports 5--59.....................................................
Table 5-9. FMC Connection to SDU 5--60....................................
Table 5-10. ARINC 429 Speed to/from CMU No. 1 and CMU No. 2 5--60.........
Table 5-11. Cabin Packet Data Function (CPDF) 5--61.........................
Table 5-12. ARINC 429 Bus Speed of AES ID Input 5-- 61.......................
Table 5-13. HSU Presence 5-- 61............................................
Table 5-14. SDU Controller Type 5--62.......................................
Table 5-15. Call Light On (Air/Ground Calls) 5--62..............................
Table 5-16. Strap Parity (ODD) 5--62.........................................
Table 5-17. Cabin Communications System (CCS) 5--63........................
Table 5-18. Inertial Reference System (IRS) 5-- 63.............................
Table 5-19. HPA/Antenna Subsystem Configuration 5--64.......................
Table 5-20. CFDS/CMC 5--65...............................................
Table 5-21. SDU Configuration 5--66.........................................
Table 5-22. SDU Number 5--66..............................................
Table 5-23. CMU No. 1 5--67................................................
Table 5-24. CMU No. 2 5--67................................................
Table 5-25. MCDU/WSC No. 1 5--67.........................................
Table 5-26. MCDU/WSC No. 2 5--67.........................................
Table 5-27. MCDU/WSC No. 3 5--68.........................................
Table 5-28. Priority 4 Calls to/from Cockpit 5--68...............................
Table 5-29. ARINC 429 Bus Speed to MCDU No. 1/MCDU No.2/MCDU No. 3 5--69
Table 5-30. Cockpit Voice Call Light/Chime Option 5--69........................
Table 5-31. SDU Analog Interface No. 1 Wiring 5 --70...........................
Table 5-32. SDU Analog Interface No. 2 Wiring 5 --70...........................
Table 5-33. Cockpit Hookswitch Signaling Method 5--70........................
Table 5-34. CM--250 CGU Connection Configuration 5--72......................
Table 5-35. Cockpit Call Discrete Signaling Mode 5--72.........................
Table 5-36. Call Signaling Definitions 5--72....................................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Tables (cont)
Table Page
Table 5-37. Per Channel State Definition (MP11F=0) 5--73......................
Table 5-38. Strap Parity 5 --73...............................................
Table 6-1. Levels of Failure 6--3...........................................
Table 6-2. HPA Indicators/Controls 6--9....................................
Table 6-3. HSU Indicators/Controls 6--10....................................
Table 6-4. SDU Indicators/Controls 6--12....................................
Table 6-5. Level 1 Failure Messages 6--13...................................
Table 6-6. List of Part Numbers 6--18.......................................
Table 6-7. MAR Information 6--20...........................................
Table 6-8. LS Key/Line Pair Relations 6--22..................................
Table 6-9. Special Symbols 6--25...........................................
Table 6-10. System Configuration Pin Mapping 6--44...........................
Table 6-11. Textual Message Display (Page 6 -- Lines 4 thru 9) 6--51.............
Table 6-12. Textual Message Display (Page 7 -- Lines 4, 5, and 6) 6--53..........
Table 6-13. Textual Message Display (Page 9 -- Lines 8 and 9) 6--57.............
Table 6-14. Textual Message Display (Page 10 -- Lines 4 and 5) 6--59............
Table 6-15. Textual Message Display (Page 10 -- Lines 8 and 9) 6--59............
Table 6-16. DATA LOADER MENU Page Prompts 6--70........................
Table 6-17. LRU Acronyms 6--78............................................
Table 6-18. Boeing Level I Failure Messages and ATA Reference Numbers 6-- 96..
Table 6-19. Airbus Level I (SDU No. 1) Failure Messages and ATA No. 6--100......
Table 6-20. Airbus Level I (SDU No. 2) Failure Messages and ATA No. 6--108......
Table 6-21. McDonnell Douglas Level I Failures Messages and
ATA Reference Numbers 6--116....................................
Table 6-22. Commissioning and Maintenance Terminal Panel Lamps 6 --122........
Table 7-1. Materials 7--1..................................................
Table A--1. ECS Cables and Connectors A--2................................
Table A--2. ECS Attenuators A--2...........................................
Table A--3. SD--720 (120--10141--1XX) Pressurized Hardware Kit A--7..........
Table A--4. SD--720 (120--10142--1XX) Unpressurized Hardware Kit A--9........
Table A--5. HS--720 (120--10267-- 1XX) Pressurized Hardware Kit A--11..........
Table A--6. HS--720 (120--10268-- 1XX) Unpressurized Hardware Kit A--13........
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Tables (cont)
Table Page
Table A--7. HP--720 (120--99510-- 1XX) Pressurized Hardware Kit A--15..........
Table A--8. HP--720 (120--99509-- 1XX) Unpressurized Hardware Kit A--17........
Table A--9. Tray Assembly Part Numbers A--22................................
Table A--10. ARINC 429 Data Requirements A--27..............................
Table A--11. SCU Discrete Functions A--27....................................
Table A--12. SCU Error Code A--28...........................................
Table A--13. SCU Manual Signal Selection A--29...............................
Table A--14. ARINC 561 Binary Data A--30.....................................
Table A--15. ARINC 561 BCD Data A--30......................................
Table A--16. ARINC 571 Data, ARINC 429 Format A--31.........................
Table A--17. ARINC 571 Data, ARINC 419 Format A--31.........................
Table A--18. ARINC 404 Data, ARINC 429 Format A--31.........................
Table A--19. SCU Attitude Data Inputs A--32...................................
Table A--20. Contact Arrangements for SCU ARINC 600 Connector A--34.........
Table A--21. Signal Source Select Lines A--38..................................
Table A--22. SCU Program Pin Combinations A-- 39.............................
Table B--1. Materials B--2..................................................
Table B--2. Air Filtration Systems from ECS for a Top Mount Assembly B--2......
Table B--3. Air Filtration Systems from ECS for a Body--Mounted Design B--3....
Table B--4. Air Filtration Systems from ECS for a Tray--Mounted Design B--3.....
Table C--1. ORT Characteristics C--1........................................
Table D--1. Call Events Log D --1............................................
Table D--2. SCLV and Detailed Code Descriptions D--4........................
Table D--3. SLCV Description for HSD ISDN Call Terminations D--9.............
Table D--4. Detailed Codes D--15............................................
Table E--1. PADO Services E--1............................................
Table E--2. PADR Services E--3............................................
Table E--3. Service Name Error E--5........................................
Table E--4. SLCV Cause Codes and Strings E-- 6.............................
Table E--5. Q.850 Cause Codes and Strings E--18.............................
Table E--6. MPDS +WQ Cause Codes and Strings E--20.......................
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Blank Page
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
1. How to Use This Manual
A. General
(1) This manual gives general system description and installation information for the
MCS-- 4200/7200 Multi--Channel SATCOM System. It also gives block diagram and
interconnect information to permit a general understanding of the system interface.
(2) The purpose of this manual is to help you install, operate, maintain, and troubleshoot
the MCS-- 4200/7200 Multi --channel SATCOM System. Common system maintenance
procedures are not presented in this manual. The best established shop and flight
line practices should be used.
(3) Warnings, cautions, and notes in this manual give the data that follows:
• A WARNING gives a condition that, if you do not obey, can cause injury or death.
• A CAUTION gives a condition that, if you do not obey, can cause damage to the
equipment.
• A NOTE gives data to make the work easier or gives direction to go to a
procedure.
INTRODUCTION
(4) Warnings and cautions go before the applicable paragraph or step. Notes follow the
applicable paragraph or step.
(5) All personnel who operate equipment and do the specified maintenance must know
and obey the safety precautions.
WARNING: HIGH VOLTAGES MAY BE PRESENT ON SYSTEM INTERCONNECT
CABLES. MAKE SURE THAT SYSTEM POWER IS OFF BEFORE YOU
DISCONNECT LRU MATING CONNECTORS.
WARNING: BEFORE YOU USE A MATERIAL, REFER TO THE MANUFACTURERS’
MATERIAL SAFETY DATA SHEETS FOR SAFETY INFORMATION. SOME
MATERIALS CAN BE DANGEROUS.
CAUTION: DO NOT USE MATERIALS THAT ARE NOT EQUIVALENT TO
MATERIALS SPECIFIED BY HONEYWELL. MATERIALS THAT ARE NOT
EQUIVALENT CAN CAUSE DAMAGE TO THE EQUIPMENT AND CAN
VOID THE WARRANTY.
CAUTION: THE MCS--4200/7200 MULTI--CHANNEL SATCOM SYSTEM CONTAINS
ITEMS THAT ARE ELECTROSTATIC DISCHARGE SENSITIVE (ESDS). IF
YOU DO NOT OBEY THE NECESSARY CONTROLS, A FAILURE OR
UNSATISFACTORY OPERATION OF THE UNIT CAN OCCUR FROM
ELECTROSTATIC DISCHARGE. USE APPROVED INDUSTRY
PRECAUTIONS TO KEEP THE RISK OF DAMAGE TO A MINIMUM WHEN
YOU TOUCH, REMOVE, OR INSERT PARTS OR ASSEMBLIES.
B. Symbols
(1) The symbols in Figure Intro--1 identify ESDS and moisture sensitive devices in this
manual, if applicable.
Page INTRO-- 1
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
ESDS
Figure Intro--1. Symbols
C. Weights and Measurements
(1) All weights and measurements a re in U.S. and SI (metric) values.
(2) The letter symbols for this units of measurement are the same as shown in
ANSI/IEEE Std 260.
Moisture Sensitive
2. Customer Support
A. Honeywell Aerospace Online Technical Publications Web Site
(1) If you have access to the Internet, go to the Honeywell Online Technical Publications
web site at https://pubs.cas.honeywell.com/ to:
• Download or see publications online
• Make an order for a publication
• Tell Honeywell of a possible data error in a publication.
B. Customer Response Center
(1) If you do not have access to the Internet, send an e--mail message or a fax, or speak
to a person at the Customer Response Center:
• E--mail: cas--publications--distribution@honeywell.com
• Fax: 602--822 --7272
• Phone: 800--601--3099 (U.S.A.)
• Phone: 602--365--3900 (International).
(2) Also, the Customer Response Center is available if you need to:
• Identify a change of address, telephone number, or e--mail address
• Make sure that you get the next revision of this manual.
3. References
A. Honeywell Publications
(1) The list that follows identifies Honeywell publications that are related to this manual:
• ATA No. 23--20-- 26 (Pub. No. A09--5111--026), SD--700/720 Satellite Data Unit
CMM
Honeywell International Inc. Do not copy without express permission of Honeywell.
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
• ATA No. 23--20-- 50 (Pub. No. A32--5111--008), HP--720 High Power Amplifier
CMM
• ATA No. 23--20 --52 (Pub No. A32--5111--001), HS--720 High Speed Data Unit
Assembly CMM
• Pub. No. A09--1100--001, Handling, Storage, and Shipping Procedures for
Honeywell Avionics Equipment Instruction Manual
• Pub. No. A09--1100--004, Standard Repair Procedures for Honeywell Avionics
Equipment Instruction Manual
• Pub. No. A62--0119--001, Honeywell Material Number (HMN) Codes.
B. Other Publications
(1) These publications are standard references:
• The United States Government Printing Office (GPO) Style Manual 2000
(available at http://www.gpoaccess.gov/stylemanual/browse.html)
• ANSI/IEEE Std 260 (1978), Standard Letter Symbols for Units of Measurement
(available from the American National Standards Institute, New York, NY)
• ASME Y14.38--1999 (Formerly ASME Y1.1--1989), Abbreviations for Use on
Drawings and in Text (available from the American National Standards Institute,
New York, NY)
• ANSI/IEEE Std 315--1975 (Replaces ANSI Y32.2--1975), Graphic Symbols for
Electrical and Electronics Diagrams (available from the American National
Standards Institute, New York, NY)
• ANSI/IEEE Std 91 (1984), Graphic Symbols for Logic Functions (available from
the American National Standards Institute, New York, NY)
• H4/H8 Commercial and Government Entity (CAGE) Codes (available at
http://www.dlis.dla.mil/cage_welcome.asp).
4. Acronyms and Abbreviations
A. General
(1) Refer to the list that follows for acronyms and abbreviations in this manual.
List of Acronyms and Abbreviations
Term Full Term
AAC
aeronautical administrative communications
ACARS aircraft communications addressing and reporting system
ACP audio control panel
ACU antenna control unit
ADL airborne data loader
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Acronyms and Abbreviations (cont)
Term Full Term
ADS
AES aircraft earth station
AFIS aircraft flight information system
AMS audio management system
AMU audio managment unit
ANSI American National Standards Institute
AOC aeronautical operational control
AOR--E Atlantic Ocean Region--East
AOR--W Atlantic Ocean Region--West
APBX analog private branch exchange
APC aeronautical passenger communications
APHONE analog telephone
APOS actual power out status
ARINC Aeronautical Radio, Inc.
ASME American Society of Mechanical Engineers
ATA Air Transport Association
automatic dependent surveillance
ATC air traffic control
ATN aircraft telecommunications network
BIT built--in test
BITE built--in test equipment
BSU Beam Steering Unit
CAIMS central aircraft information and maintenance system
CCA circuit card assembly
CCS cabin communications system
CEL call events log
CF/M cubic feet per minute
CFDIU centralized fault display interface unit
CFDS central fault display system
CGU communications gateway unit
CLR clear
23--20--35
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Page INTRO-- 4
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 4 OF 53 FACING PAGE INTRO-5.
Reason: To add two acronyms, GNSS and GPS to the List of Acronyms and Abbreviations and the
change the definition for GES from ground earth stations to ground earth station.
Add GNSS and GPS and change the definition of GES as follows:
GES ground earth station
GNSS global navigation satellite system
GPS global positioning system
23-20-35
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Page 4 of 53
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Acronyms and Abbreviations (cont)
Term Full Term
CM
CMC central maintenance computer
CMM component maintenance manual
CMT commissioning and maintenance terminal
CMU communications management unit
CPDF cabin packet data function
CRC cyclic redundancy check
CTM cabin telecommunications
CTU cabin telecommunications unit
D/LNA diplexer/low noise amplifier
DEL delete
DIP dual in--line packaging
DIU data interface unit
DSLCV most significant digit of the detailed code
DTE data terminal equipment
DTMF dual tone multifrequency
continuous monitoring
EAR Export Administration Regulations
ECS Electronic Cable Specialists
EIRP effective isotopic radiated power
ESDS electrostatic discharge sensitive
FID forwardID
FMC flight management computer
FRLP forward/return link pair
FWP fault warning processor
GES ground earth stations
GMT Greenwich Mean Time
GPO Government Printing Office
GSDB GES--specific data broadcast
GSPD groundspeed
HDM HSU data module
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Acronyms and Abbreviations (cont)
Term Full Term
HGA
HMN Honeywell Material Number
HPA high power amplifier
HPR high power relay
HSD high speed data
HSDU high speed data unit
HSU high speed data unit
I/O input/output
ICAO International Civil Aviation Organization
ID identification
IEEE Institute of Electrical and Electronics Engineers
IGA intermediate gain antenna
INMARSAT International Maritime Satellite Organization
IOM input/output module
IOR Indian Ocean Region
IPC illustrated parts catalog
high gain antenna
IRS inertial reference system
ISDN integrated services digital network
ISN Inmarsat serial number
ISO International Standards Organization
ISU initial signal unit
ITAR International Traffic in Arms Regulations
ITU International Telecommunications Union
LED light emitting diode
LES land earth station
LGA low gain antenna
LNA low noise amplifier
LRU line replaceable unit
LS line select
MAR maintenance activity record
23--20--35
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Page INTRO-- 6
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 5 OF 53 FACING PAGE INTRO-6.
Reason: To change the capitalization of INMARSAT to Inmarsat in the List of Acronyms and
Abbreviations.
The List of Acronyms and Abbreviations is changed as follows:
Inmarsat International Maritime Satellite Organization
23-20-35
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Page 5 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 6 OF 53 FACING PAGE INTRO-7.
Reason: To add four acronyms, MES, MIB, PBX, and POTS to the List of Acronyms and Abbreviations.
Add MES, MIB, PBX, and POTS as follows:
MES mobile earth station
MIB management information base
PBX private (automatic) branch exchange
POTS plain-old telephone service or system
23-20-35
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Page 6 of 53
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Acronyms and Abbreviations (cont)
Term Full Term
MCDU
MCS Multi--Channel SATCOM
MEL minimum equipment list
MISDN mobile integrated services digital network
MPDS mobile packet--data service
MPEL maximum permissible exposure level
MTBF mean--time--between--failure
MU management unit
NVM non--volatile memory
OCXO oven controlled crystal oscillator
OEM Original Equipment Manufacturer
OMS on--board maintenance system
ORT owner requirements table
PABX Private Automatic Branch Exchange
PAST person--activated self--test
PDL portable data loader
multifunction control display unit
PF power factor
PLO phase--locked oscillator
PMAT portable maintenance access terminal
POC power--on counter
POR Pacific Ocean Region
POST power--on self--test
PPPoE point--to--point protocol over Ethernet
PROM programmable read--only memory
PSTN Public Switched Telephone Networks
PSU power supply unit
PTT push--to--talk
RF radio frequency
RFM radio frequency module
RFU radio frequency unit
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
List of Acronyms and Abbreviations (cont)
Term Full Term
RFUIA
RID return ID
RMP Radio Management Panel
RTC real--time clock
RTCA radio technical commission for aeronautics
SAL system address label
SCDU SATCOM control and display unit
SCM swift channel module
SCPC single channel per carrier
SCU signal conditioning unit
SDI source destination identifier
SDU satellite data unit
SITA Satellite AIRCOM
SSM sign--status matrix
Std standard
TDM time division multiplex
Radio Frequency Unit Interface Adapter
TDMA time division multiple access
TIF terminal interface function
TOTC total on--time clock
TSPO time since power--on
TTCM triple transcoder modem
UTC universal time coordinated
VCM voice codec module
VIM voice interface module
VSWR voltage standing wave ratio
WSC Williamsburg SDU controller
XTB
Honeywell International Inc. Do not copy without express permission of Honeywell.
cross--talk bus
23--20--35
Page INTRO-- 8
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 7 OF 53 FACING PAGE INTRO-8.
Reason: To add nine acronyms, SAS, SBB, SBS, SIM, SNMP, UE, UMTS, USIM, and UT to the List of
Acronyms and Abbreviations.
Add SAS, SBB, SBS, SIM, SNMP, UE, UMTS, USIM, and UT as follows:
SAS satellite access station
SBB SwiftBroadband
SBS satellite base station
SIM subscriber identity module
SNMP simple network management protocol
UE user equipment
UMTS universal mobile telecommunications service
USIM universal (or UMTS) SIM
UT user terminal
23-20-35
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Page 7 of 53
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
5. Maximum Permissible Exposure Level
A. General
(1) The radio frequency energy generated by the MCS system may be hazardous to
personal health. To eliminate the potential danger, Honeywell recommends that
operators of the MCS system implement safety procedures.
(2) When the MCS system is in operation, personnel should remain at a distance from
the antenna that is greater than the maximum permissible exposure level (MPEL)
radius. Because there are many possible antenna locations, antenna gains, and
system output powers, it is the responsibility of the operator to ascertain the MPEL
radius for their MCS system configuration and train their personnel in safe ground
procedures. The following warnings state Honeywell’s MPEL recommendations for
both high and low gain antennas.
WARNING: TO AVOID POTENTIALLY DANGEROUS EXPOSURE TO RADIO
FREQUENCY ENERGY ABOVE THE ANSI C95.1 LIMIT AND OTHER
WORLD STANDARDS (SEE FIGURE INTRO--2) WHEN USING A HIGH
GAIN ANTENNA (12 dB NOMINAL ANTENNA), DO NOT OPERATE THE
MCS SYSTEM WHEN ANY PERSONNEL ARE WITHIN 8.5 FEET OF THE
ANTENNA OR WITHIN 20 FEET OF THE ANTENNA FOR PERIODS OF
LONGER THAN 3 MINUTES PER HOUR.
WARNING: TO AVOID POTENTIALLY DANGEROUS EXPOSURE TO RADIO
FREQUENCY ENERGY ABOVE THE ANSI C95.1 LIMIT AND OTHER
WORLD STANDARDS (SEE FIGURE INTRO--2) WHEN USING A
INTERMEDIATE GAIN ANTENNA (6 dB NOMINAL ANTENNA), DO NOT
OPERATE THE MCS SYSTEM WHEN ANY PERSONNEL ARE WITHIN 3
FEET OF THE ANTENNA OR WITHIN 6 FEET OF THE ANTENNA FOR
PERIODS OF LONGER THAN 3 MINUTES PER HOUR.
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
WARNING: TO AVOID POTENTIALLY DANGEROUS EXPOSURE TO RADIO
FREQUENCY ENERGY ABOVE THE ANSI C95.1 LIMIT AND OTHER
WORLD STANDARDS (SEE FIGURE INTRO--2) WHEN USING A LOW
GAIN ANTENNA (0 dB NOMINAL ANTENNA), DO NOT OPERATE THE
MCS SYSTEM WHEN ANY PERSONNEL ARE WITHIN 1.5 FEET OF THE
ANTENNA OR WITHIN 3 FEET OF THE ANTENNA FOR PERIODS OF
LONGER THAN 3 MINUTES PER HOUR.
Figure Intro--2. Radio Frequency Energy Levels
23--20--35
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Page INTRO-- 10
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 8 OF 53 FACING PAGE 1-1.
Reason: To change the text in Paragraphs (4) and (5) to add Classic Aero, to change the capitalization of
INMARSAT to Inmarsat, and to delete text, as applicable.
Paragraphs (4) and (5) are changed as follows:
(4) The MCS-4200/7200 system provides seven Classic Aero comm unication channels capable of
supporting six simultaneous full-duplex circuit mode voice connections and one channel of packetmode data. In addition, the MCS-4200/7200 system provides multiple channels of Inmarsat Swift64
and SwiftBroadband functionality. This Swift capability is configurable to support four MISDN
channels, four MPDS channels, or a mixture of each (when operating with Inmarsat-3 satellites); or a
maximum of two SwiftBroadband channels when operating with Inmarsat-4 satellites.
(5) The MCS-4200 system operates identically to the MCS-7200, except that it supports only four Classic
Aero communication channels (including one packet-mode data channel) rather than the seven that
are provided by the MCS-7200. The MCS system accommodates all four airborne categories of
communications:
• ATC
• AOC
• AAC
• APC.
Page 8 of 53
23-20-35
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28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
1. Overview
A. General
(1) The MCS--4200/7200 MCS is an augmented version of the MCS --4000/7000 system
currently certified and in use today by hundreds of operators. The MCS --4200/7200 is
a mobile avionics communications system that supplies continuous worldwide voice
and data communications services to and from the aircraft via satellite.
(2) The MCS system interfaces at baseband with various avionics data equipment, as
well as with crew and passenger voice equipment onboard the aircraft. It also
provides narrowband connectivity to support data --intensive airborne user
applications. The MCS--4200/7200 system utilizes the antenna subsystem to
transmit/receive L--band RF signals to/from satellites in geostationary orbit. These
satellites convey the information to and from ground stations that interface with the
terrestrial telephone network.
MCS--4200/7200 Multi--Channel SATCOM System
SECTION 1
SYSTEM DESCRIPTION
(3) The MCS system augments and/or supersedes the present HF transceiver by
supplying higher quality voice service and by supplying data services at higher bit
rates needed by datalink ATN applications, such as ADS and the international
ACARS. Additional services include cockpit communications with administrative and
operational personnel and with governmental bodies such as ATS. The system is
designed to make sure that communications involving safety and regularity of flight
are not delayed by the transmission and reception of other message types.
(4) The MCS--4200/7200 system provides seven baseband communication channels
capable of supporting six simultaneous full--duplex circuit mode voice connections
and one channel of packet--mode data. In addition, the MCS--4200/7200 system
provides multiple channels of INMARSAT Swift64 and SwiftBroadband functionality.
This Swift capability is configurable to support four MISDN channels, four MPDS
channels, or a mixture of each. By late ’07 or early ’08, this functionality will be
enhanced (with a software upgrade to the HSU and perhaps the SDU, combined with
a system configuration strap change) to supply a maximum of two SwiftBroadband
channels as well. This is subject to the constraint that the resources necessary to
support one SwiftBroadband channel are reserved at the expense of two Swift64
channels, and vice versa.
(5) The MCS--4200 system operates identically to the MCS--7200, except that it supports
only four baseband communication channels (including one packet--mode data
channel) rather than the seven that are provided by the MCS--7200. The MCS
system accommodates all four airborne categories of communications:
• ATC
• AOC
• AAC
• APC.
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(6) The four airborne communication categories are recognized by the ICAO and the
ITU, and are assigned priorities for communications purposes.
(7) The total aviation satellite communications system, shown in Figure 1-1, is made up
of the following:
• Aircraft earth station (airborne avionics subsyst ems and antenna subsystem)
• Space segment (satellite network)
• Ground earth stations
• Terrestrial data and voice networks.
23--20--35
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Page 1--2
15 Jul 2006
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 9 OF 53 FACING PAGE 1-3.
Reason: To add aircraft earth station (for Classic Aero), mobile earth station (for Swift64), and user
equipment/user terminal (for SwiftBroadband) to Figure 1-1.
Replace Figure 1-1 with the revised illustration as follows:
Figure 1-1. Aviation Satellite Communications System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
23-20-35
Page 9 of 53
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Figure 1-1. Aviation Satellite Communications System
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
B. Aircraft Earth Station – General
(1) General
(a) The AES is fully compliant with requirements of ARINC Characteristics 741/761.
Standard interfaces between the MCS --4200/7200 avionics and other aircraft
avionics enables the AES to accept data and voice messages from various
sources, encode and modulate this information onto appropriate RF carrier
frequencies, and transmit these carriers to the space segment for relay to a
GES. The AES also receives RF signals from a GES through the satellite,
demodulates these signals, performs the necessary decoding of the encoded
messages, and outputs the data or voice message for use by the cockpit crew
(pilot and copilot), the cabin crew or the passengers.
(2) AES Components
(a) General
A block diagram of the AES is shown in Figure 1--2. The AES is made up of
1
the following components:
• MCS SATCOM avionics
• Antenna subsystem
• Cabin communications system
• Analog connected telephones
• Cockpit voice sources
• Aircraft avionics.
(b) MCS Avionics
The MCS --4200/7200 avionics is made up of the SDU, the HSU and the
1
HPA.
The SDU supplies the digital and analog interface to all aircraft avionics, and
2
implements all functionality associated with modulation/demodulation, error
correction, channel rate/frequency selection, and RF translation for the
system’s seven baseband communication channels. The SDU’s seven
baseband channels support six simultaneous full--duplex circuit--mode voice
connections and one packet--mode channel.
The HSU incorporates the firmware necessary to support four narrowband
3
(Swift64) channels, which provide simultaneous circuit--mode and/or
packet--mode connectivity concurrently with the SDU’s baseband channels
at rates of 64 kbps (per single channel) or 256 kbps (four combined [bonded
ISDN] channels). Ultimately, the HSU will be augmented – by software
upgrade to the HSU, and perhaps the SDU, coupled with a system
configuration strap change – to support an additional two wideband
channels of 432 kbps (per single channel) SwiftBroadband functionality as
well. Note that when the HSU commits the resources necessary to support a
single SwiftBroadband channel, it simultaneously loses the capability to
provide two channels of Swift64 service (and vice versa).
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MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 10 OF 53 FACING PAGE 1-4.
Reason: To update headings and text to include references to MES, UE, LES, SAS, and Classic Aero, as
applicable, to Paragraphs B. (1) (a), B. (2) (a) 1
The headings and text are changed as follows:
B. Aircraft Earth Station/Mobile Earth Station/User Equipment – General
(1) General
(a) The AES/MES/UE is fully compliant with requirements of ARINC Characteristics 741/761.
Standard interfaces between the MCS-4200/7200 avionics and other aircraft avionics enable it
to accept data and voice messages from various sources, encode and modulate this
information onto appropriate RF carrier frequencies, and transmit these carriers to the space
segment for relay to a GES/LES/SAS. The AES/MES/UE also receives RF signals from a
GES/LES/SAS through the satellite, demodulates these signals, performs the necessary
decoding of the encoded messages, and outputs the data or voice message for use by the
cockpit crew (pilot and copilot), the cabin crew or the passengers.
(2) AES/MES/UE Components
(a) General
A block diagram of the AES/MES/UE is shown in Figure 1-2. It is made up of the following
1
components:
• MCS avionics
2
The SDU supplies the digital and analog interface to all aircraft avionics, and implements
all functionality associated with modulation/demodulation, error correction, channel
rate/frequency selection, and RF translation for the system’s seven baseba nd
communication channels. The SDU’s seven Classic Aero channels support six
simultaneous full-duplex circuit-mode voice connections and one packet-mode channel.
The HSU incorporates the firmware necessary to support four narrowband (Swift64)
3
channels, which provide simultaneous circuit-mode and/or packet-mode connectivity
concurrently with the SDU’s baseband channels at rates of 64 kbps (per single channel)
or 256 kbps (four combined [bonded ISDN] or two channels of up to 432 kbps (per singl e
channel) SwiftBroadband functionality. When operating through an Inmarsat-3 satellite
and its GESs/LESs, Classic Aero and Swift64 services are possible; when operating
through an Inmarsat-4 satellite and its GESs/SASs, Classic Aero and SwiftBroadband
services are possible; i.e., only one type of Swift service is possible at any given time,
depending on the type of satellite and ground station being used at any given time.
, and B. (2) (b) 2 and 3.
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MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 11 OF 53 FACING PAGE 1-5.
Reason: To change the text in Paragraphs 6
Some text was deleted.
Replace the text in Paragraphs 6
The CMU or equivalent, route packet-data messages to and from the SDU. Cabin
6
communications use either a CCS or an analog equivalent (cabin unit) to provide
baseband voice telephone communication (including FAX and PC modem services). The
HSU’s Swift64 and SwiftBroadband communication channels supporting data-intensive email, web surfing, video-conferencing transmittals, and other data, are interfaced to the
user by way of a server/router, which is part of the airborne network.
To permit operation of the MCS-4200/7200 system to be easily tailored around aircraft-
7
specific and user-specific needs, the SDU incorporates an ORT. The ORT contains more
than 100 configurable entries (each with a default value) that are individually designated
as either a user or secure (that is, installation-specific) item, as well as either Airbus
modifiable or Airbus non-modifiable. The ORT affects not only the operation of the
conventional Aero channels but the HSU channel complement (that is, the four Swift64
channels or the two SwiftBroadband channels) as well.
The SDU/HSU combination supplies all essential services required to accommodate
9
effective air/ground communications by way of satellite which use the antenna and related
RF components for both the cockpit and cabin environments. The 60-Watt HPA assists in
supporting multiple simultaneous channel communications by supplying linear power
amplification to boost the RF signals associated with each channel to the levels required
for transmission to the satellite.
, 7, and 9 as follows:
, 7, and 9 as applicable to the latest version of the system.
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
The HPA implements the linear power amplification of the SDU’s and HSU’s
4
combined RF signals needed to assure their successful transmission from
the aircraft to the satellite and to the ground network.
A cockpit audio system conveys cockpit voice to and from the SDU.
5
Messages requiring cockpit action or initiation appear on the appropriate
cockpit display – RMP -- for the A380 -- or MCDU for all other platforms, with
the correct protocol selected by the SDU based on data present on the
display buses and/or other cockpit annunciators.
The CMU or equivalent, route packet--data messages to and from the SDU.
6
Cabin communications use either a CCS or an analog equivalent (cabin unit)
to provide baseband voice telephone communication (including FAX and PC
modem services). The HSU’s narrowband Swift64 and SwiftBroadband
communication channels supporting data--intensive e--mail, web surfing,
video--conferencing transmittal, and other data, are interfaced to the user by
way of a server/router, which is part of the airborne network.
7
To permit operation of the MCS-- 4200/7200 system to be easily tailored
around aircraft--specific and user--specific needs, the SDU incorporates an
ORT. The ORT contains more than 60 configurable entries (each with a
default value) that is individually designated as either a user or secure (that
is, installation--specific) item. The ORT affects not only the operation of the
conventional Aero channels but the HSU channel complement (that is, the
four Swift64 channels initially, and the two additional SwiftBroadband
channels ultimately) as well.
The ORT is subject to configuration management to the extent that the
8
ORT’s version number is incremented whenever significant changes to the
database occur (for example, introduction of SwiftBroadband items). Once
made, the ORT selections are preserved by the SDU across power and test
cycles in non--volatile memory. In addition, the ORT is able to be
downloaded from or uploaded to the SDU from an external file storage
medium (such as diskettes) which serve as the file destination or file source,
respectively.
The SDU/HSU combination supplies all essential services required to
9
accommodate effective air/ground communications by way of satellite which
use the antenna and related RF components for both the cockpit and cabin
environments. The 60--Watt HPA assists in supporting multiple simultaneous
baseband and narrowband (Swift64) channel communications by supplying
linear power amplification to boost the RF signals associated with each
channel to the levels required for transmission to the satellite.
The extensive variety of functionality that is afforded by the MCS--4200/7200
10
system results largely from the software direction of the hardware operation.
The SDU’s hardware platform uses the MCS-- 4000/7000 designs, which are
already certified on various other aircraft, as the baseline.
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MCS--4200/7200 Multi--Channel SATCOM System
11
These proven platforms provide a solid structure on which the
MCS-- 4200/7200 SATCOM enhancements (both hardware and software) are
being built. The software that drives the MCS --4200/7200 system operation
is DO --178B Level D for the SDU and HPA from their first release into
production. However, the initial (that is, Swift64--only) HSU will migrate to
DO--178B Level D from Level E when its capabilities are upgraded to
support full SwiftBroadband functionality.
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MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 12 OF 53 FACING PAGE 1-6.
Reason: To change the text in Paragraph 11
was deleted.
Replace the text in Paragraph 11
These proven platforms provide a solid structure on which the MCS-4200/7200 SATCOM
11
enhancements (both hardware and software) are built. The software that drives the MCS4200/7200 system operation is DO-178B Level D for the SDU and HPA from their first
release into production. However, the HSU is DO-178B Level E.
as follows:
as applicable to the latest version of the system. Some text
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28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 13 OF 53 FACING PAGE 1-7/1-8.
Reason: To change Figure 1-2 to change the text of Note 1 and to add new Note 3 and Note 4.
Replace Figure 1-2 with the illustration that follows:
Figure 1-2. Aircraft Earth Station Block Diagram
© Honeywell International Inc. Do not copy without express permission of Honeywell.
23-20-35
Page 13 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Figure 1-2. Aircraft Earth Station Block Diagram
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Page 1--7/1--8
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 14 OF 53 FACING PAGE 1-9.
Reason: To change INMARSAT to show initial capitalization only in Paragraph 13
2, and 3 as applicable to add references to MES, UE, LES,
Paragraph 13
To change text in Paragraphs (c) 1,
SAS, ACU, Classic Aero, and additional data about SwiftBroadband operations.
and Paragraphs (c) 1, 2, and 3 are changed as follows:
13 In those applications for which the Swift64/SwiftBroadband capability is not required, an
additional LRU may be necessary; this is the RFUIA. The RFUIA is used in place of the
RFU in a conventional ARINC 741 system, and replaces the HSU in those installations
which utilize only the MCS-4200/7200 SATCOM system’s classic Inmarsat baseband
features.
and Paragraph (c) 1.
1
The primary function of the antenna subsystem is to complete the communication link
between the GES/LES/SAS, the space segment, and the AES/MES/UE. The D/LNA is a
three-port RF device (antenna, transmit, and receive) which provides signal routing and
filtering – signals in the receive band are routed from the antenna port to the receive port,
and transmit signals are routed from the transmit port to the antenna port. The LNA
establishes the noise floor of the communication system’s receiver by boosting the signals
received from the antenna to the maximum level relative to the noise received with the
signals, as well as the noise developed by the LNA itself. For SwiftBroadband operations,
the D/LNA must be a Type F (or later type approved for SwiftBroadband operation). Also,
the selected antenna must be an Inmarsat-approved type for SwiftBroadband operation.
The HGA transmits L-band RF signals from the HPA to a satellite, and receives L-band
2
RF signals from a satellite for the SDU and HSU. When installed, the LGA supplies
backup communications (packet-data only) for the HGA by providing low-rate, Classic
Aero (only) packet-data communication services.
The BSU or ACU is used in the HGA system to convert tracking and pointing coordinates
3
(that is, aircraft-relative azimuth and elevation) from the SDU into signals needed to select
the antenna array elements in combinations that point the antenna beam in the desired
direction towards the satellite.
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Publication Number A15-5111-010
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
The MCS --4200/7200 system LRUs (building on their legacy
12
MCS-- 4000/7000 background) maintains extensive logs of information that is
useful in the monitoring of normal system activity as well as identifying any
failure conditions experienced during operation, whether in flight or on the
ground. This is accomplished through a combination of self--test suites that
are performed at POST or as the result of PAST, as well as by CM. The
maintenance logs are continuously updated, and accessible for download
using the ARINC 615 ADL and PDL.
13
In those applications for which the Swift64/SwiftBroadband capability is not
required, an additional LRU may be necessary; this is the RFUIA. The
RFUIA is used in place of the RFU in a conventional ARINC 741 system,
and replaces the HSU in those installations which utilize only the
MCS-- 4200/7200 SATCOM system’s classic INMARSAT baseband features.
(c) Antenna Subsystem
1
The primary function of the antenna subsystem is to complete the
communication link between the GES, the space segment, and the AES.
The D/LNA is a three-port RF device (antenna, transmit, and receive) which
provides signal routing and filtering -- signals in the receive band are routed
from the antenna port to the receive port, and transmit signals are routed
from the transmit port to the antenna port. The LNA establishes the noise
floor of the communication system’s receiver by boosting the signals
received from the antenna to the maximum level relative to the noise
received with the signals, as well as the noise developed by the LNA itself.
2
3
(d) CCS
1
The HGA transmits L--band RF signals from the HPA to a satellite, and
receives L--band RF signals from a satellite for the SDU and HSU. When
installed, the LGA supplies backup communications (packet-- data only) for
the HGA by providing low-- rate, packet --data communication services.
The BSU is used in the HGA system to convert tracking and pointing
coordinates (that is, aircraft--relative azimuth and elevation) from the SDU
into signals needed to select the antenna array elements in combinations
that point the antenna beam in the desired direction towards the satellite.
The CCS, in conjunction with the MCS avionics and a worldwide network of
ground stations, supplies cabin services such as baseband telephone,
facsimile, and PC modem communication interfaces. The CCS is partitioned
into two sections: the CTU and cabin/passenger communications equipment
(digitally connected telephones).
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
2
The CTU performs onboard PABX telephony functions, letting the digitally
connected telephones make the best use of resources supplied by the MCS
avionics. The ARINC 746 CTU supplies the conversion interface between
the digitally connected phones and the ARINC 741/761 SDU, and connects
to the SDU by means of a high-speed serial bus pair (CEPT --E1) that
accommodates up to 30 digitized voice channels along with status and
control information.
The digitally connected phones (handsets) are primarily supplied for
3
passenger use and can be located throughout the aircraft. The digital
handsets interface indirectly to the satellite communications equipment and
are controlled by the CCS.
(e) Airborne Server
1 The airborne server provides the means by which data streams from multiple
cabin (or other) users are collected and processed into formats suitable for
assignment onto the HSU’s narrowband or wideband channels. The HSU
interfaces with the airborne server by way of two Ethernet 10BaseT ports for
MPDS/SwiftBroadband and MISDN service, and by way of two ISDN ports
for MISDN service.
When using the Ethernet port for either MISDN or MPDS services, PPPoE
2
protocol is used to choose the service and to give to the HSU all the
parameters needed to access the correct ground service provider for the
service chosen.
3 A configuration discrete is used to configure the Ethernet ports so that all
Swift64 channels use only one Ethernet port or both Ethernet ports.
(f) Analog Connected Telephones
1
The SDU is provisioned to support two simultaneous analog audio channels
which use any four--wire analog telephone (such as, Global--Wulfsberg
Flitephone WH--10 handsets) by way of the APBX. The WH --10 is a
standalone handset with a 12--button keypad. The APBX has analog trunk
lines and in--line DTMF signaling.
(g) Cockpit Voice Sources
The SDU supports headset interfaces for cockpit use only. These interfaces
1
incorporate off--hook/on--hook signaling and dialing through the combination
of a control and display unit (either by the way of the MCDU or RMP), and
PTT or similar switches. When the PTT switch is pushed, a microphone
audio signal is sent to the selected voice channel and a discrete signal is
sent to the SDU. An audible chime combined with lit or flashing call lamps
announces call connections.
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 15 OF 53 FACING PAGE 1-10.
Reason: To change the text in Paragraphs (e) 1,
and to make other changes to the text as applicable. Some text was deleted.
Replace the text in Paragraphs (e) 1
The airborne server provides the means by which data streams from multiple cabin (or
1
other) users are collected and processed into formats suitable for assignment onto the
HSU’s narrowband or wideband channels. The HSU interfaces wit h the airborne server by
way of two Ethernet 10BaseT ports for MPDS, SwiftBroadband, and MISDN service, and
by way of two ISDN ports for MISDN and SwiftBroadband service.
When using the Ethernet port for either SwiftBroadband, MISDN or MPDS services,
2
PPPoE along with an SNMP-based ARINC MIB (in accordance with ARINC 781
Attachment 5) protocol is used to choose the service and to give to the HSU all the
parameters needed to access the correct ground service provider for the service chosen.
A configuration discrete is used to configure the Ethernet ports so that all
3
Swift64/SwiftBroadband channels use only one Ethernet port or both Ethernet ports.
, 2, and 3 and (f) 1 as follows:
2, and 3 and (f) 1 to add references to SwiftBroadband
1
The SDU is provisioned to support two simultaneous analog audio cha nnels which use
four-wire analog telephone interfaces such as Global-Wulfsberg Flitephone WH-10
handsets or an analog PBX (APBX). The WH-10 is a standalone handset with a 12-button
keypad that utilizes discretes for call signaling functions. The APBX has analog trunk lines
and in-line DTMF signaling.
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 16 OF 53 FACING PAGE 1-11.
Reason: To change the text in Paragraphs (h) 1
Swift64 operation, as applicable.
Replace the text in Paragraphs (h) 1
(bullet 4 and bullet 7) as follows:
• The IRS and GNSS (GPS), where installed, to supply the SDU with navigation
coordinates for positioning the antenna platform
• The 24-bit ICAO address identifies the aircraft in which the SDU is installed. Address pins
identified to take on the binary one state must be left open. Address pins identified to take
on the binary zero state must be wired to address common on the airframe side of the
connector. ARINC 429 interface options for the ICAO address are also supplied. Similar
configuration pins on the HSU identify a 24-bit Forward ID for similar addressing purposes
for Swift64 operation. Similar addressing and other functionality are handled for
SwiftBroadband operations by the SIM cards in the HSU's HDM.
(bullet 4 and bullet 7) to add a reference to GNSS and
23-20-35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(h) Aircraft Avionics
Standard interfaces between the MCS --4200/7200 avionics and the other
1
aircraft avionics include the following:
• CMU, or the MU of the ACARS, where installed
• SCDU, implemented as either MCDUs or RMPs, where installed, to
supply an interface to the MCS system for system log--on, GES selection,
cockpit voice call setup, data loading, and to access the SATCOM
maintenance pages including fault messages
• CFDS, CMC, or OMS, where installed, for fault reporting
• The IRS, where installed, to supply the SDU with navigation coordinates
for positioning the antenna platform
• Channels are also supplied for voice and data communication with ATC
to support departure clearances by datalink, as well as ADS for
non--radar position reporting in oceanic regions
• There is an ARINC 615 ADL or PDL for uploading operational software
and the ORT. Connections are made through the front and back panel
connectors on the MCS avionics LRUs
• The 24--bit ICAO address identifies the aircraft in which the SDU is
installed. Address pins identified to take on the binary one state must be
left open. Address pins identified to take on the binary zero state must be
wired to address common on the airframe side of the connector. ARINC
429 interface options for the ICAO address are also supplied.
(3) AES Classifications
(a) Each AES is classified according to the configuration and dynamic capabilities of
its aircraft avionics baseband communications capability and antenna
subsystem. Accordingly, an AES can be fitted with any combination of the
classes of installations given in Table 1-1.
Table 1 -1. Classes of Installations
Class Description
1 A Class 1 AES installation uses a low gain antenna only and supplies low rate
packet--mode data services only.
2 A Class 2 AES installation uses a high gain antenna or intermediate gain antenna,
and supplies telephony and optional circuit--mode services.
3 A Class 3 AES installation uses a high gain antenna or intermediate gain antenna,
and supplies telephony services, packet--mode data services, and optional
circuit--mode data services.
4 A Class 4 AES installation uses a high gain antenna or intermediate gain antenna,
and supplies packet--mode data services only.
Page 1--11
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(4) GES Communication Links
(a) The MCS--4200/7200 avionics supply access to ground --based networks through
the GES for baseband communications. Each GES supplies system
synchronization and coordination through ground--to--aircraft transmissions. Four
types of RF channels supporting baseband communications are defined for use
with the MCS--4200/7200 avionics as listed in Table 1-2.
Table 1-2. Types of Baseband RF Channels
RF Channel Description
P--Channel Packet--mode TDM channel used in the forward
(outbound) direction (ground--to--aircraft) to carry
signaling and packet--mode data. The transmission
is continuous from each GES in the satellite network.
R--Channel Random access (slotted Aloha) channel used in the
return (inbound) direction (aircraft--to--ground) to
carry signaling and packet--mode data, specifically
the initial signals of a transaction (typically request
signals).
T--Channel Reservation TDMA channel used in the return
direction only. The receiving GES reserves time slots
for transmissions requested by an AES according to
message length. The sending AES transmits the
messages in the reserved time slots.
C--Channel Circuit--mode SCPC channel used in both forward
and return directions to carry digital voice or
data/facsimile traffic. The use of the channel is
controlled by assignment and release signaling at
the start and end of each call or FAX transmission.
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MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 17 OF 53 FACING PAGE 1-12.
Reason: To change the text in Paragraph (4) (a) to add a reference to Classic Aero and to delete text, as
applicable.
Replace the text in Paragraph (4) (a) as follows:
(a) The MCS-4200/7200 avionics supply access to ground-based networks through the GES for
Classic Aero communications. Each GES supplies system synchronization and coordination
through ground-to-aircraft transmissions. Four types of RF channels supporting baseband
communications are defined for use with the MCS-4200/7200 avionics as listed in Table 1 -2 .
23-20-35
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MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 18 OF 53 FACING PAGE 1-13.
Reason: To change the art in Figure 1-3 to show seven regions instead of four and to change INMARSAT
in the figure title to show initial capitalization only.
Figure 1-3 and the title of Figure 1-3 are changed as follows:
Figure 1-3. Inmarsat Seven-Region Satellite Coverage
Page 18 of 53
23-20-35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Figure 1-3. INMARSAT Four-Region Satellite Coverage
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
C. Space Segment
(1) The space segment is made up of satellites placed in geostationary orbits that
support air-to-ground/ground-to-air packet-switched data services and
circuit-switched telephony communications on both baseband and narrowband
channels all of which use worldwide standardized conventions and capabilities. The
satellites function as communication transponders to support L-band links to and
from the aircraft, and supply links to and from ground earth stations. The space
segment supplier for airline aeronautical satellite communications is the INMARSAT,
whose system provides near--worldwide coverage (that is, some problems may be
encountered when the aircraft flies in Polar Regions with a latitude greater than 75
degrees). The four-region satellite system supplied by INMARSAT is shown in
Figure 1-3.
D. Ground Earth Station/Land Earth Station
(1) Each GES (and LES for Swift64) has the necessary equipment to communicate both
with terrestrial networks and through satellites with the aircraft. The ground earth
stations/land earth stations are designed to supply the airline customer with a diverse
routing of national and international voice and data communications through
submarine cable, satellite, and microwave links to all destinations. Automatic traffic
management systems ensure efficient routing of communications by using optimum
links into PSTN and avoiding multiple satellite connections whenever possible.
(2) Ground earth stations/land earth stations are located strategically around the globe to
supply redundancy and diversity in the terrestrial extension of communications.
Aircraft are connected to a GES or LES through an in-view satellite depending on the
service preference settings encoded in the SDU ORT.
E. Terrestrial Data and Voice Networks
(1) Baseband data and voice services available through satellites and ground earth
stations include 9.6 and 4.8 kilobit/second (kbps) digital voice, 4.8 and 2.4 kbps FAX,
2.4 kbps PC modem data, and packet-mode data at RF channel rates ranging from
600 bit/second (bps) up to 10.5 kbps. Narrowband data services currently available
through satellites and land earth stations include 64 kbps circuit-switched ISDN
channels and 64 kbps packet--switched MPDS channels, either of which can be
combined to afford the user higher data rate throughput (for example, up to 256
kbps). By mid to late ’07, SwiftBroadband channels are planned to be available to
support wideband packet--data services at rates up to 432 kbps per channel. The
present worldwide complement of ground earth stations providing support for
baseband services, and land earth stations providing support for narrowband
services (including location, operator, and coverage region) are summarized in
Table 1-3 and Table 1-4. Aeronautical communications through the INMARSAT
satellites are transmitted to and from the terrestrial phone, and data networks through
these ground earth stations and land earth stations. The satellite regions that service
these ground earth stations/land earth stations are shown in Figure 1--3.
23--20--35
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Page 1--14
15 Jul 2006
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 19 OF 53 FACING PAGE 1-14.
Reason: To change Subhead D. and the text in Paragraphs C. (1), D. (1) and (2), and E. (1) as applicable
to the latest version of the system; some text was deleted and INMARSAT was changed to
show initial capitalization only.
Replace Subhead D. and Paragraphs C. (1), D. (1) and (2), and E. (1) as follows:
(1) The space segment is made up of satellites placed in geostationary orbits that support air-to-
ground/ground-to-air packet-switched data services and circuit-switched telephony
communications on both baseband and narrowband channels all of which use worldwide
standardized conventions and capabilities. The satellites function as communication transponders
to support L-band links to and from the aircraft, and supply links to and from ground earth stations.
The space segment supplier for airline aeronautical satellite communications is the Inmarsat,
whose system provides near-worldwide coverage (that is, some problems may be encountered
when the aircraft flies in Polar Regions with a latitude greater than 75 degrees). The seven-region
satellite system (which includes four-each Inmarsat-3 satellites and three-each Inmarsat-4
satellites) is shown in Figure 1-3. An eighth region (not shown in Figure 1-3) is the singlefunctional MTSAT satellite (which consists of two satellites, one of which is a hot spare).
D. Ground Earth Station/Land Earth Station/Satellite Base Station
(1) Each GES/LES/SAS has the necessary equipment to communicate both with terrestrial networks
and through satellites with the aircraft. The ground stations are designed to supply the airline
customer with a diverse routing of national and international voice and data communications
through submarine cable, satellite, and microwave links to all destinations. Automatic traffic
management systems ensure efficient routing of communications by using optimum links into
PSTN and avoiding multiple satellite connections whenever possible.
(2) Ground stations are located strategically around the globe to supply redundancy and diversity in
the terrestrial extension of communications. Aircraft are connected to one or more ground stations
through an in-view satellite depending on the service preference settings encoded in the SDU
ORT.
(1) Classic Aero data and voice services available through satellites and ground earth stations include
9.6 and 4.8 kilobit/second (kbps) digital voice, 4.8 and 2.4 kbps FAX, 2.4 kbps PC modem data,
and packet-mode data at RF channel rates ranging from 600 bit/second (bps) up to 10.5 kbps.
Swift64 circuit- and packet-mode data services currently available through satellites and land earth
stations include 64 kbps circuit-switched ISDN channels and 64 kbps packet-switched MPDS
channels, either of which can be combined to afford the user higher data rate throughput (fo r
example, up to 256 kbps). SwiftBroadband channels support circuit- and packet-data service s at
rates up to 432 kbps per channel. The present worldwide complement of ground stations are
summarized in Table 1-3 and Table 1-4. Aeronautical communi cations through the Inmarsat
satellites are transmitted to and from the terrestrial phone, and data networks through these
ground earth stations and land earth stations. The satellite regions that service these ground
stations are shown in Figure 1-3.
Page 19 of 53
23-20-35
28 Sep 2009
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 20 OF 53 FACING PAGE 1-15.
Reason: To update Table 1-3 and Table 1-4 with the latest data and to delete the Service Provider
column in Table 1-3.
Replace Table 1-3 and update Table 1-4, Row 3 and Row 4, the LES code for Xantic, as follows:
Table 1-3. Ground Earth Stations for Aero H/H+ Services
GES ID SAT ID GES Name
002
005
103
104
120
161
202
205
220
301
305
320
Table 1-4. Land Earth Stations for Aero Swift64 Services
000 (I3 AOR-W)
000 (I3 AOR-W)
000 (I3 AOR-W)
001 (I3 AOR-E)
005 (I4 APAC)
004 (MTSAT)
002 (I3 POR)
002 (I3 POR)
006 (I4 EMEA)
003 (I3 IOR)
003 (I3 IOR)
007 (I4 AMER)
Eik
Aussaguel
Aussaguel
Eik
Paumalu
Kobe/Hitachiota
Santa Paula
Perth
Fucino
Eik
Perth
Paumalu
LES Code SAT ID Service Provider
001
002
012
001
002
012
001
002
012
001
002
012
000 (AOR-W)
000
000
001 (AOR-E)
001
001
002 (POR)
002
002
003 (IOR)
003
003
Telenor
Stratos
Xantic
Telenor
Stratos
Xantic
Telenor
Stratos
Xantic
Telenor
Stratos
Xantic
23-20-35
Page 20 of 53
28 Sep 2009
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Table 1-3. Ground Earth Stations for Aero H/H+ Services
GES Name GES ID SAT ID Service Provider
Goonhilly--AW 001 000 (AOR--W) Stratos
Southbury--AW 002 000 T elenor
Aussaguel--AW 005 000 SITA
Goonhilly--AE 101 001 (AOR--E) Stratos
Aussaguel--AE
Eik--AE 104 001 Telenor
Sentosa--P 201 002 (POR) Stratos
Santa Paula--P 202 002 Telenor
Yamaguchi--P 203 002 KDD
Perth--P 205 002 SITA
Eik--I 301 003 (IOR) Telenor
Perth--I 305 003 SITA
Yamaguchi--I 306 003 KDD
Sentosa--I 310 003 Stratos
103
001 SITA
Table 1 -4. Land Earth Stations for Aero Swift64 Services
LES Code SAT ID Service Provider
001 000 (AOR--W) Telenor
002 000 Stratos
012 000 Xantic
001 001 (AOR--E) Telenor
002 001 Stratos
012 001 Xantic
001 002 (POR) Telenor
002 002 Stratos
022 002 Xantic
001 003 (IOR) Telenor
002 003 Stratos
022 003 Xantic
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
2. System Components
A. General
(1) The MCS--4200/7200 system avionics consists of the following components:
• SDU
• HSU
• HPA.
(2) These components are compatible with ARINC Characteristics 741 and 761.
Table 1-5 lists the MCS--4200/7200 system components to be supplied by
Honeywell/Thales. Table 1-6 lists the MCS-- 4200/7200 system components not
supplied by Honeywell/Thales. Table 1-7, Table 1-8, Table 1-9, and Table 1-10 list
system component configuration information.
Table 1-5. System Components Supplie d by Honeywell/Thales
Component Model No. Honeywell Part No.
Satellite Data Unit (SDU) SD--720 7516118--xxyyy
High Speed Data Unit (HSU) HS--720 7520061--xxyyy
High Power Amplifier (60 W) (HPA) HP--720 7520000--xxyyy
Radio Frequency Unit Interface Adapter (RFUIA)
NOTES:
1. The five-- digit dash number corresponds to the hardware/software version of the unit where the firsttwo digits
correspond to the hardware version and the last three digits correspond to the software version.
2. The RFUIA is installed in place of the HSU to eliminate wiringchanges in aircraftprovisioned for the HSU’s
presence.
2
RF--700 7516222--901
Table 1-6. System Components Not Supplied by Honeywell
Component Comments
SDU Installation Equipment (See Note) ARINC 600 6--MCU tray, cables, connectors,
assemblies, mounting hardware, and kits
HSU Installation Equipment (See Note) ARINC 600 4--MCU tray, cables, connectors,
assemblies, mounting hardware, and kits
HPA (60 W) Installation Equipment (See Note) ARINC 600 8--MCU tray, cables, connectors,
assemblies, mounting hardware, and kits
RFUIA Installation Equipment (See Note) ARINC 600 4--MCU tray, cables, connectors,
assemblies, mounting hardware, and kits
High Gain Antenna Equipment CMC Electronics - Canada,Chelton Inc - USA,
Tecom - USA, Thales--UK, EMS -- Canada
NOTE: Installation of this equipment is dependent on the specific requirements of the operator and willinvolve
interaction with suppliers of this equipment (such as, ECS, EMTEQ)
1
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
Table 1-8A. HDM Configuration
HDM Part Number Description
7520033-901 HDM (all platforms)
23-20-35
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Page 22 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 21 OF 53 THRU PAGE 22 OF 53 FACING PAGE 1-17.
Reason: To update Table 1-7 to replace baseband with Classic Aero and add part numbers and
descriptions applicable to the SwiftBroadband SDU.
To update Table 1-8 to replace narrowband with Swift64 and add one new part number and
description applicable to both Swift64 and SwiftBroadband.
To add a new Table 1-8A to incorporate the HDM configuration.
Table 1-7 and Table 1-8 are changed and Table 1-8A is added as follows:
Table 1-7. SDU Configurations
SDU Part Number Description
7516118-24130
7516118-27130
7516118-24140
7516118-27140
7516118-27150 SwiftBroadband SDU for Airbus Long Range
7516118-27145 SwiftBroadband SDU for Airbus A380
7516118-24145 SwiftBroadband SDU for Airbus A380
7516118-27135
7516118-24135
Table 1-8. HSU Configurations
115 V ac/320-800 Hz, or 28 V dc , 4-channel
Classic Aero (3 voice, 1 data) SDU for Boeing
corporate and military applications
115 V ac/320-800 Hz, or 28 V dc 7-channel
Classic Aero (6 voice, 1 data) SDU for Boeing
corporate and military applications
115 V ac/320-800 Hz, or 28 V dc 4-channel
Classic Aero (3 voice, 1 data) SDU for Airbus
applications
115 V ac/320-800 Hz, or 28 V dc 7-channel
Classic Aero (6 voice, 1 data) SDU for Airbus
applications
SwiftBroadband SDU for all non-Airbus,
including Boeing [particularly 777] and biz jets
SwiftBroadband SDU for all non-Airbus,
including Boeing and biz jets
HSU Part Number Description
7520061-34010
7520061-34015
© Honeywell International Inc. Do not copy without express permission of Honeywell.
115 V ac/320-800 Hz, or 28 V dc 4-channel
Swift64 HSU for all applications
115 V ac/320-800 Hz, or 28 V dc 4-channel
Swift64 and SwiftBroadband HSU for all
applications
Page 21 of 53
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28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Table 1-7. SDU Configurations
SDU Part Number Description
75161 18--24130 115 V ac/320--800 Hz, or 28 V dc , 4--channel
baseband (3 voice, 1 data) SDU for Boeing
corporate and military applications
75161 18--27130 115 V ac/320--800 Hz, or 28 V dc 7--channel
baseband (6 voice, 1 data) SDU for Boeing
corporate and military applications
75161 18--24140 115 V ac/320--800 Hz, or 28 V dc 4--channel
baseband (3 voice, 1 data) SDU for Airbus
applications
75161 18--27140 115 V ac/320--800 Hz, or 28 V dc 7--channel
baseband (6 voice, 1 data) SDU for Airbus
applications
Table 1-8. HSU Configuration
HSU Part Number Description
7520061--34010 115 V ac/320--800 Hz, or 28 V dc 4--channel
narrowband HSU for all applications.
Table 1-9. HPA Configuration
HPA Part Number Description
7520000--20140 115 V ac/320--800 Hz, or 28 V dc, 60 W HPA for all
applications.
Table 1-10. RFUIA Configuration
RFUIA Part Number Description
7516222--901 RFU Interface Adapter for all applications.
3. System Description
A. General
(1) The system description gives a general overview and summary of the features and
interfaces that the MCS--4200/7200 system implements. Figure 1--4 is a simplified
block diagram of the MCS-- 4200/7200 system as well as the other airborne systems
with which it interfaces.
Page 1--17
23--20--35
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15 Jul 2006
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 23 OF 53 FACING PAGE 1-18.
Reason: To update the text in Paragraphs 3. A. (2) and (3) to replace baseband with Classic Aero, add a
reference to MES and UE, and delete some text, as necessary.
Paragraph (2) and (3) are changed as follows:
2) The core of the AES avionics subsystem is the MCS-4000/7000 avionics, supporting Classic
Aero data and voice communications (inclusively) at single channel rates from 600 to 21,000
bits per second as well as Swift64 and SwiftBroadband data communications at single
channel rates of up to 64 and 432 kbps, respectively. Interfaces to various aircraft systems
including cockpit voice, cabin voice/data, aircraft avionics, and the antenna subsystem enable
the MCS avionics to handle data and voice messaging functions for the AES/MES/UE.
(3) The SDU supplies all essential services required to accommodate effective air/ground
communications through the satellite, using the antenna and related RF compo nents. The
SDU manages the RF link protocols on the AES side and supplies the system interface to
other aircraft avionics. The HSU administers all aspects of the Swift64 and SwiftBroadband
channels’ operation, from call setup through termination, in coordination with the SDU. The
HPA boosts the signal to be radiated by the antenna to the power level required for
transmission to the satellite.
23-20-35
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Page 23 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(2) The core of the AES avionics subsystem is the MCS--4000/7000 avionics, supporting
baseband data and voice communications (inclusively) at single channel rates from
600 to 21,000 bits per second as well as narrowband (Swift64 initially)/wideband
(SwiftBroadband ultimately) data communications at single channel rates of 64 and
432 Kbps, respectively. Interfaces to various aircraft systems including cockpit voice,
cabin voice/data, aircraft avionics, and the antenna subsystem enable the MCS
avionics to handle data and voice messaging functions for the AES.
(3) The SDU supplies all essential services required to a ccommodate effective
air/ground communications through the satellite, using the antenna and related RF
components. The SDU manages the RF link protocols on the AES side and supplies
the system interface to other aircraft avionics. The HSU administers all aspects of the
narrowband and wideband channels’ operation, from call setup through termination,
in coordination with the SDU. The HPA boosts the signal to be radiated by the
antenna to the power level required for transmission to the satellite.
23--20--35
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Page 1--18
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
Figure 1-4. MCS--4200/7200 Avionics Block Diagram
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Page 1--19/1-- 20
23--20--35 15 Jul 2006
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 24 OF 53 FACING PAGE 1-21.
Reason: To change Paragraph B. (1) (a) to replace baseband with Classic Aero.
Paragraph (a) is changed as follows:
(a) The SDU is the core element of the MCS–4200/7200 avionics and responsible for overall
AES control and monitoring. The unit interfaces to many aircraft avionics (for example,
CFDS, primary/secondary IRS, CMU 1/2, MCDU [or RMP] 1/2/3, ADL, etc.) and has
operational functionality, including coding and decoding all system voice and data signals
and defining system protocols. The SDU contains six channels capable of supplying
simultaneous full-duplex Classic Aero voice communication, one channel of Classic Aero
data 2/3 communication, and RF circuitry sufficient to operate the AES. Figure 1-5 shows
the CCA listing and block diagram for the MCS-7200 SDU. Removal of one of the TTCM
CCAs results in the MCS-4200 SDU.
23-20-35
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Page 24 of 53
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
B. Satellite Data Unit
(1) General
(a) The SDU is the core element of the MCS–4200/7200 avionics and responsible
for overall AES control and monitoring. The unit interfaces to many aircraft
avionics (for example, CFDS, primary/secondary IRS, CMU 1/2, MCDU [or RMP]
1/2/3, ADL, etc) and has operational functionality, including coding and decoding
all system voice and data signals and defining system protocols. The SDU
contains six channels capable of supplying simultaneous full--duplex baseband
voice communication, one channel of baseband data 2/3 communication, and
RF circuitry sufficient to operate the AES. Figure 1 --5 shows the CCA listing and
block diagram for the MCS--7200 SDU. Removal of one of the TTCM CCAs
results in the MCS --4200 SDU.
Figure 1-5. MCS--7200 SDU Equipment Description
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(b) The format for baseband voice/data encoding follows the INMARSAT system
definitions for voice and data transmission and reception. The INMARSAT
system uses a digital format for voice and data. The SDU digitizes the voice or
data signal and adds special codes to make the aircraft–to–ground station
connection possible. Voice signals are transmitted at a rate designed to supply
high voice quality (perceived quality is close to that of a good quality public
telephone line). When signal processing is complete, the coded voice/data signal
is sent to HPA. The SDU also controls the protocols for automatic call setup and
clear–down. System protocols are defined so the designated GES recognizes it
is being called b y the AES.
(c) The SDU houses the voice interface modules and transcoder modems required
for baseband voice and data services, and the RF transmit/receive circuitry
needed to convert modulated signals of either type to an L–band frequency (and
vice versa). All AES satellite signals use digital coding and modulation, which
include the voice circuits. The voice interface modules translate baseband
analog voice signals to and from the 9600 bps or 4800 bps digital coding
standard. Efficient information compression and coding techniques supply high
voice quality at an economical bit rate. The modems, one for each
communication channel, perform all of the physical layer signal processing
functions, including multiplexing/demultiplexing, interleaving/de--interleaving,
scrambling/unscrambling, modulation/demodulation, and Doppler effect
correction.
(d) The SDU system table memory contains the location of all satellites. When a
GES is selected, the SDU uses this location information and aircraft positional
information (through an ARINC 429 interface) from the IRS to compute the
position of the satellite relative to the aircraft. The SDU then transmits pointing
and tracking coordinates (aircraft relative azimuth and elevation) to the beam
steering unit (BSU) to permit optimum signal transmission and reception between
the high gain antenna subsystem and the satellite.
(e) The high gain antenna subsystem translates these steering commands into
control signals to the antenna(s). Once the beam has been steered toward the
satellite, the SDU receives the pilot tone from the satellite transponder through
its receive RF link from the antenna subsystem.
(f) In the SDU, the baseband data modulates RF carriers, which are sent to the
HPA for amplification, and then to the antenna subsystem for transmission to the
satellite. The SDU can adjust the transmission frequency in one--Hertz
increments to compensate for the Doppler shift caused by the speed of the
aircraft. The receive mode is handled in a similar manner. Since the
MCS-- 4200/7200 is a full--duplex system, the transmit and receive signals are
processed simultaneously as in conventional terrestrial telephone equipment.
23--20--35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 25 OF 53 FACING PAGE 1-22.
Reason: To change Paragraph (b) to replace baseband with Classic Aero an d to change the
capitalization of INMARSAT to Inmarsat.
To add the ACU and ARINC 781 antenna to Paragraph (d).
Paragraphs (b) and (d) are changed as follows:
(b) The format for Classic Aero voice/data encoding follows the Inmarsat system definitions
for voice and data transmission and reception. The Inmarsat system uses a digital format
for voice and data. The SDU digitizes the voice or data signal and adds special codes to
make the aircraft-to-ground station connection possible. Voice signals are transmitted at a
rate designed to supply high voice quality (perceived quality is close to that of a good
quality public telephone line). When signal processing is complete, the coded voice/data
signal is sent to HPA. The SDU also controls the protocols for automatic call setup and
clear-down. System protocols are defined so the designated GES recognizes it is being
called by the AES.
(d) The SDU system table memory contains the location of all satellites. When a GES is
selected, the SDU uses this location information and aircraft positional information
(through an ARINC 429 interface) from the IRS to compute the position of the satellite
relative to the aircraft. The SDU then transmits pointing and tracking coordinates (aircraft
relative azimuth and elevation) to the beam steering unit (BSU), antenna control unit
(ACU), or ARINC 781 antenna to permit optimum signal transmission and reception
between the high gain antenna subsystem and the satellite.
23-20-35
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Page 25 of 53
28 Sep 2009
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS-4200/7200
TEMPORARY REVISION NO. 23-1
INSERT PAGE 26 OF 53 FACING PAGE 1-23.
Reason: To change the text of Paragraphs C. (1) (a), (b), and (c) to include additional references to
SwiftBroadband and Swift64, as well as references to POTS. Some text was deleted.
Paragraphs (a), (b), and (c) are changed as follows:
(a) The HSU provides four additional simultaneous full-duplex Swift64 64 kbps channels or two
additional simultaneous full-duplex SwiftBroadband up-to-432 kbps channels to the MCS
system when operated in conjunction with the SDU. The Swift64 channels accommodate
digitized voice and data signals relayed to and from the airborne server at a maximum rate of
256 kbps when all four Swift64 channels are bonded to serve a single user or 128 kbps when
two channels are bonded together.
(b) The channels provided by the HSU are accessed by way of the two BRI ISDN interfaces
and/or the two Ethernet interfaces and/or the two POTS interfaces. The ISDN interface
provides the following services: 64 kbits/s UDI, 64 kbits/s 3.1 kHz Audio, 64 kbits/s Speech
and 56 kbits/s Data. The 10 Base T Ethernet interfaces are accessed through the PPPoE
using PPPoE tags for service selection.
(c) A configuration discrete is provided to control the functionality of the Ethernet user interfaces,
whether all channels are available on a first-come, first-served basis through either Ethernet
interface, or whether half of the channels are available by way of one (and only one) of the
Ethernet interfaces, and the other half of the channels are available by way of the other
Ethernet interface (and only that interface). The default (open-circuit) state of this discrete is
the former (first-come, first-served). The HSU supports APC calls only through its ISDN and/or
Ethernet and/or POTS connections to the airborne server.
23-20-35
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SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
MCS--4200/7200 Multi--Channel SATCOM System
(2) Installation Dependent Considerations
(a) General
1
The SDU stores the following installation dependent values to enable it to
set the EIRPs accurately:
• SDU to HPA loss
• HPA to antenna loss
• HSDU to antenna loss.
C. High Speed Data Unit
(1) The HSU is partitioned into functional SRUs that are electronically interconnected by
way of the motherboard. The major SRUs are:
• PSU -- Power Supply Unit
• CP -- Control Processor
• DIO -- Data Input / Output
• CC -- Channel Card (2 per unit).
(a) The HSU provides four additional simultaneous full --duplex Swift64 64 kbps
channels to the MCS system when operated in conjunction with the SDU. This
expands (with a software upgrade to the HSU and perhaps SDU, in conjunction
with a system configuration strap change) to include two more channels of
simultaneous full-- duplex SwiftBroadband 432 kbps channels (subject to the
constraint that resources consumed by one SwiftBroadband channel preclude
operation of two Swift64 channels, and vice versa). The channels provided by
the HSU are not (in contrast to the SDU) capable of supporting analog voice
transactions directly. Instead, these channels accommodate digitized voice and
data signals relayed to and from the airborne server at a maximum rate of 256
kbps when all four Swift64 channels are bonded to serve a single user.
(b) The channels provided by the HSU are accessed by way of the two BRI ISDN
interfaces and/or the two Ethernet interfaces. The ISDN interface provides the
following services 64 kbits/s UDI, 64 kbits/s 3.1 kHz Audio, 64 kbits/s Speech
and 56 kbits/s Data. The 10 Base T Ethernet interfaces are accessed through
the PPPoE using PPPoE tags for service selection.
(c) A configuration discrete is provided to control the functionality of the Ethernet
user interfaces, whether all channels are available on a first-- come, first--served
basis through either Ethernet interface, or whether half of the channels are
available by way of one (and only one) of the Ethernet interfaces, and the other
half of the channels are available by way of the other Ethernet interface (and
only that interface). The default (open--circuit) state of this discrete is the former
(first--come, first-- served). The HSU supports APC calls only through its ISDN
and/or Ethernet connections to the airborne server.
23--20--35
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15 Jul 2006
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