Honeywell HS-700 Inmarsat Aircraft Telecommunications System User Manual

Honeywell International Inc. Inmarsat Aircraft Telecommunications System

User Manual

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 theexport administration regulations. Diversion contrary to U.S. law is prohibited.HoneywellAerospace Electronic SystemsCES--PhoenixP.O. Box 21111Phoenix, Arizona 85036-1111U.S.A.Printed in U.S.A. Pub. No. A15--5111--00723--20--33Title Page T--130 Aug 2002System Description and InstallationManualHS--700High Speed Data System
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data SystemPROPRIETARY NOTICEThis document and the information disclosed herein are proprietary data of Honeywell. Neitherthis document nor the information contained herein shall be used, reproduced, or disclosed toothers without the written authorization of Honeywell, except to the extent required forinstallation or maintenance of the recipient’s equipment.NOTICE -- FREEDOM OF INFORMATION ACT (5 USC 552) ANDDISCLOSURE OF CONFIDENTIAL INFORMATION GENERALLY (18 USC 1905)This document is being furnished in confidence by Honeywell. The information disclosedherein fall within exemption (b) (4) of 5 USC 552 and the prohibitions of 18 USC 1905.S2002Honeywell is a U.S. registered trademark of Honeywell. All other marks are owned by their respective companies.Copyright 2002 HoneywellAll Rights Reserved23--20--33Title Page T--230 Aug 2002
Please cut along the dotted line.Please cut along the dotted line.REPORT OF POSSIBLE DATA ERRORFOR HONEYWELL USE ONLYCONTROL NO.DATE RECEIVEDPlease mail or FAX completed form to Technical Publications Quality Administrator. If returning by mail, please tape this form closed (U.S. postalregulations prohibit the use of staples). If sending by FAX, the Technical Publications’ U.S. FAX No. is (602- 436- 3900). If sending by email, the email addressis tpqa@honeywell.com.Local reproduction of this form is encouraged. This form is based on electronic form INF--300, Revision 0To help us improve the quality of our publication, Honeywell encourages any report of a possible data error.PUBLICATION INFORMATIONPublicationNumberA15-- 5111--007Volume No.(Book, orAddendum)ATANumber23--20--33Latest Issue DateFrom Title PagePublicationTitleHigh Speed Data UnitDocumentTypeSystem Description and InstallationManualREADER INFORMATIONPlease check all that apply:hTrainer hTechnician hLibrarian hEngineer hOther(Please specify)Your Name (optional) Company NameStreet Address City, State (Province),Zip Code, CountryTelephone No. FAX No.POSSIBLE DATA ERRORPageNo.ParagraphFigure No. Table No. Description of Possible Data ErrorHONEYWELL REPLY
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DO NOT STAPLEDO NOT STAPLEBUSINESS REPLY MAILFIRST CLASS PERMIT NO. 3532, PHOENIX, AZFOLDFOLDPOSTAGE WILL BE PAID BY ADDRESSEEHoneywellAerospace Electronic SystemsCES--PhoenixP.O. Box 21111Phoenix, Arizona 85036-1111U.S.A.ATTN: Technical PublicationsQuality AdministratorNO POSTAGENECESSARYIF MAILEDIN THEUNITED STATES
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page RR--1RECORD OF REVISIONSFor each revision, put the revised pages in your manual and discard the superseded pages. Writethe revision number and date, date put in manual, and the incorporator’s initials in the applicablecolumns on the Record of Revisions. The initial H shows Honeywell is the incorporator.RevisionNumberRevisionDateDate PutIn Manual ByRevisionNumberRevisionDateDate PutIn Manual By
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SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page RTR--1RECORD OF TEMPORARY REVISIONSInstructions on each page of a temporary revision tell you where to put the pages in your manual.Remove temporary revision pages only when discard instructions are given. For each temporaryrevision, put the applicable data in the record columns on this page.TemporaryRevisionNumberTemporaryRevisionDateTemporaryRevisionStatusDate Putin Manual By *DateRemovedfrom Manual By ** The initial H in this column shows Honeywell has done this task.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page RTR--2Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page SBL--1SERVICE BULLETIN LISTService BulletinIdentifiedModDate Includedin this Manual Description
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page SBL--2Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--1TABLE OF CONTENTSSubject PageINTRODUCTION INTRO--1...........................................................1. Proprietary, Export, and Precautionary Data INTRO--1...............................A. Proprietary Notice INTRO--1..................................................B. Export Notice INTRO--1......................................................C. Special Precautions INTRO--1................................................2. Content Data INTRO--2..........................................................A. How to Use This Manual INTRO--2............................................B. Weights and Measurements INTRO--2.........................................C. Acronyms and Abbreviations INTRO--3.........................................3. Customer Assistance INTRO--4...................................................A. Who to Contact INTRO--4....................................................SECTION 1SYSTEM DESCRIPTION AND OPERATION1--1...........................................................................1. Overview 1--1..............................................................A. General 1--1...........................................................B. Aero--H/H+ 1--2........................................................C. Services 1--3..........................................................D. User Interfaces 1--3.....................................................E. Service Routing 1--4....................................................F. Control Interfaces and Status 1--5........................................G. CDM 1--6..............................................................H. Boot Loader 1--6.......................................................I. BITE 1--7..............................................................(1) General 1--7.......................................................(2) POST 1--7.........................................................(3) PAST 1--7.........................................................(4) CM 1--7...........................................................(5) Performed Tests 1--7................................................J. Cable Loss 1--7........................................................
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--2Subject PageK. Power Management 1--8................................................(1) General 1--8.......................................................(2) Power Allocation 1--8...............................................(3) Power Adjustment 1--9..............................................(4) Power Preemption 1--9..............................................2. System Components 1--10...................................................A. General 1--10...........................................................3. Component Descriptions 1--11................................................A. HS--700 HSU 1--11......................................................B. CDM 1--15..............................................................C. RF Splitter/Combiner 1--17...............................................D. HSU Mounting Tray 1--17.................................................SECTION 2MECHANICAL INSTALLATION 2--1.............................................1. Overview 2--1..............................................................A. General 2--1...........................................................B. Equipment and Materials 2--1............................................2. Mechanical Installation Design 2--1...........................................A. HS--700 HSU Provisions 2--1............................................B. CDM Provisions 2--1....................................................C. RF Splitter/Combiner Provisions 2--1......................................SECTION 3ELECTRICAL INSTALLATION 3--1..............................................1. Overview 3--1..............................................................A. General 3--1...........................................................B. Equipment and Materials 3--1............................................2. Electrical Installation Procedure 3--1..........................................A. General 3--1...........................................................B. Power Requirements 3--1...............................................C. Ground Requirements 3--2..............................................(1) General 3--2.......................................................(2) Chassis Grounding 3--2.............................................(3) Shield Grounds 3--3................................................(4) Power/Signal Grounds 3--4..........................................
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--3Subject Page3. Electrical Installation 3--6....................................................A. HSU 3--6..............................................................(1) General 3--6.......................................................(2) HSU X1 Connector 3--6.............................................(3) HSU X2 Connector 3--7.............................................(4) HSU X3 Connector 3--9.............................................B. CDM 3--10..............................................................SECTION 4INSTALLATION CHECK 4--1....................................................1. Overview 4--1..............................................................A. General 4--1...........................................................SECTION 5ADJUSTMENT/TEST 5--1.......................................................1. Overview 5--1..............................................................A. General 5--1...........................................................SECTION 6FAULT ISOLATION 6--1........................................................1. Overview 6--1..............................................................A. General 6--1...........................................................SECTION 7MAINTENANCE PRACTICES 7--1...............................................1. Overview 7--1..............................................................A. General 7--1...........................................................B. Equipment and Materials 7--1............................................2. Procedure for the HS--700 HSU 7--1..........................................A. Removal and Reinstallation Procedures 7--1...............................B. Adjustment Procedures 7--2.............................................C. Repair Procedures 7--2.................................................D. Return to Service Procedures 7--2........................................3. Procedure for the CDM 7--3.................................................A. Removal and Reinstallation Procedures 7--3...............................B. Adjustment Procedures 7--3.............................................C. Repair Procedures 7--3.................................................D. Return to Service Procedures 7--3........................................
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--4Subject Page4. Procedure for the Combiner/Splitter 7--3......................................A. Removal and Reinstallation Procedures 7--3...............................B. Adjustment Procedures 7--4.............................................C. Repair Procedures 7--4.................................................D. Return to Service Procedures 7--4........................................5. Instructions for Continued Airworthiness, Code of Federal RegulationCFR 91.213 7--5...........................................................A. General 7--5...........................................................B. Instructions 7--5........................................................APPENDIX AINMARSAT REGISTRATION FORM A--1..........................................1. Overview A--1..............................................................A. General A--1...........................................................List of IllustrationsFigure PageFigure 1-1. High Speed Data System Block Diagram 1--2..........................Figure 1-2. HS--700 HSU 1--11..................................................Figure 1-3. CDM 1--15..........................................................Figure 1-4. RF Splitter/Combiner 1--17............................................Figure 2-1 (Sheet 1). HSU Outline and Installation Diagram 2--3....................Figure 2-1 (Sheet 2). HSU Outline and Installation Diagram 2--5....................Figure 2-2. Mounting Tray Outline and Installation Diagram 2--7....................Figure 2-3. CDM Outline and Installation Diagram 2--9............................Figure 2-4. RF Splitter/Combiner Outline Diagram 2--11..............................Figure 3-1. Electric Cable Chart 3--2............................................Figure 3-2. Example 1, Multi--point Shield Ground 3--3............................Figure 3-3. Example 2, Multi--point Shield Ground 3--3............................Figure 3-4. Shield Grounding Example for Rack Mount Connectors 3--4.............Figure 3-5. Aircraft Grounding 3--5..............................................Figure 3-6. HSU Interface Block Diagram 3--6....................................Figure 3-7. HSU Maintenance Connector (X1) Pin Layout 3--7......................Figure 3-8. HSU ARINC 404 Connector (X2) Pin Layout 3--8.......................
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--5List of Illustrations (cont)Figure PageFigure 3-9. HSU CDM Connector (X3) Pin Layout 3--10.............................Figure 3-10. HS--700 High Speed Data System Interconnect Diagram 3--11...........List of TablesTable PageTable Intro--1. Related Publications INTRO--2.........................................Table 1-1. Type of Service 1--2.................................................Table 1-2. Service Routing 1--4................................................Table 1-3. Power Allocation 1--8................................................Table 1-4. Components Supplied by Honeywell 1--10..............................Table 1-5. Components/Parts Not Supplied by Honeywell 1--10.....................Table 1-6. HS--700 Leading Particulars 1--12.....................................Table 1-7. DO--160D Environmental Categories 1--14..............................Table 1-8. HSU Front Panel Description 1--15.....................................Table 1-9. CDM Leading Particulars 1--16........................................Table 1-10. HSU Mounting Trays 1--18...........................................Table 3-1. HSU X1 Connector Pin Assignments 3--7..............................Table 3-2. HSU X2 Connector Pin Assignments 3--8..............................Table 3-3. HSU X3 Connector Pin Assignments 3--10..............................
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page TC--6Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page INTRO--1INTRODUCTION1. Proprietary, Export, and Precautionary DataA. Proprietary Notice(1) This document and the information disclosed herein are proprietary data ofHoneywell. Neither this document nor the information contained herein shall be used,reproduced, or disclosed to others without the written authorization of Honeywell,except to the extent required for installation or maintenance of the recipient’sequipment. FREEDOM OF INFORMATION ACT (5 USC 552) AND DISCLOSUREOF CONFIDENTIAL INFORMATION GENERALLY (18 USC 1905).(2) This document is being furnished in confidence by Honeywell. The informationdisclosed herein falls within exemption (b) (4) of 5 USC 552 and the prohibitions of 18USC 1905. Copyright 2002 Honeywell. All Rights Reserved.(3) Honeywell is a U.S. registered trademark of Honeywell. All other marks are owned bytheir respective companies.B. Export Notice(1) This document contains unrestricted technical data and is being exported underlicense exception TSU/OTS in accordance with EAR Section 740.13(a).(2) These commodities, technology, or software were exported from the United States inaccordance with the export administration regulations. Diversion contrary to U.S. lawis prohibited. ECCN: 7E994 Schedule B#4901.99.0050C. Special Precautions(1) Warnings, cautions, and notes in this manual give the data that follows:•A WARNING is an operation or maintenance procedure or condition that, if notobeyed, can cause injury or death.•A CAUTION is an operation or maintenance procedure or condition that, if notobeyed, can cause damage to the equipment.•A NOTE gives data to make the work easier or gives directions to go to aprocedure.(2) All personnel who operate equipment and do maintenance specified in this manualmust know and obey the safety precautions. The warnings and cautions that followapply to all parts of this manual.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page INTRO--2WARNING: BEFORE YOU USE A MATERIAL, REFER TO THE MANUFACTURERS’MATERIAL SAFETY DATA SHEETS FOR SAFETY INFORMATION. SOMEMATERIALS CAN BE DANGEROUS.CAUTION: DO NOT USE MATERIALS THAT ARE NOT EQUIVALENT TOMATERIALS SPECIFIED BY HONEYWELL. MATERIALS THAT ARE NOTEQUIVALENT CAN CAUSE DAMAGE TO THE EQUIPMENT AND CANVOID THE WARRANTY.CAUTION: THE HS--700 HIGH SPEED DATA SYSTEM CONTAINS ITEMS THAT AREELECTROSTATIC DISCHARGE SENSITIVE (ESDS). IF YOU DO NOTOBEY THE NECESSARY CONTROLS, A FAILURE ORUNSATISFACTORY OPERATION OF THE UNIT CAN OCCUR FROMELECTROSTATIC DISCHARGE. USE APPROVED INDUSTRYPRECAUTIONS TO KEEP THE RISK OF DAMAGE TO A MINIMUM WHENYOU TOUCH, REMOVE, OR INSERT PARTS OR ASSEMBLIES.2. Content DataA. How to Use This Manual(1) This manual gives general system description and installation information for theHS--700 High Speed Data System. It also gives block diagram and interconnectinformation to permit a general understanding of the system interface.(2) The purpose of this manual is to help you install, operate, maintain, and troubleshootthe HS--700 High Speed Data System. Common system maintenance proceduresare not presented in this manual. The best established shop and flight line practicesshould be used.(3) Related publications that are referred to in this manual are identified in Table Intro--1.Table Intro--1. Related PublicationsPublication Publication No.Handling, Storage, and Shipping Procedures for Honeywell AvionicsEquipment Instruction ManualA09--1100--001MCS--4000/7000 Multi--Channel SATCOM System Description,Installation, and Maintenance ManualA15-- 5111 -- 001NOTES:1. You can order a Honeywell publication from Honeywell as follows:Telephone No.: (602) 436--6900Fax No.: (602) 436--1588E--mail: cas--publications--distribution@honeywell.comB. Weights and Measurements(1) All weights and measurements are in U. S. values.(2) The letter symbols for units of measurement are the same as shown inANSI/IEEE Std 260.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page INTRO--3C. Acronyms and Abbreviations(1) The acronyms and abbreviations that follow help the reader identify terms anddefinitions used by Honeywell.(2) The letter symbols for units of measurement are the same as shown inANSI/IEEE Std 260.Term DefinitionACSE access control and signalling equipmentACU antenna control unitBSU beam steering unitCCA circuit card assemblyCDM configuration data moduleCMT commissioning and maintenance terminalCNS/ATM communication, navigation, and surveillance/air traffic managementDCE data circuit--terminating equipmentDLNA diplexer/low noise amplifierESD electrostatic dischargeESDS electrostatic discharge sensitiveHGA high gain antennaHIRF high intensity radiated electromagnetic frequenciesHPA high power amplifierHSD high speed dataHSU high speed data unitICAO International Civil Aviation Organization: Agency of the UNIETF Internet Engineering Task ForceIPC Illustrated Parts CatalogIPDS Inmarsat Packet Mode Data ServiceIRS inertial reference systemISDN Integrated Services Digital NetworkLES land earth stationLESA land earth station assignmentLRU line replaceable unitMCS multi--channel SATCOMMCU modular concept unitMEL minimum equipment listMES Mobile Earth StationMM/HSD Mini M/high speed data
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page INTRO--4Term DefinitionMTBF mean--time--between--failuresNCSA network coordination station assignmentNT network terminationPC personal computerPID personal identification numberPSTN Public Switched Telephone NetworkRF radio frequencyRFC request for commentsRFU radio frequency unitSATCOM satellite communicationsSCPC single channel per circuitSDM System Definition ManualSDU satellite data unitSU signal unitTA terminal adapterTDM time division multiplexTE terminal equipmentTDMA time division multiple access3. Customer AssistanceA. WhotoContact(1) For assistance with installation, operation, or maintenance of the HS--700 HighSpeed Data System, contact your local Honeywell Dealer or regional HoneywellCustomer Support Engineer. Additional assistance can be obtained from:•HoneywellAviation Services, Customer Response Center (CRC)Commercial Electronic Systems21111 N. 19th AvenuePhoenix, AZ 85027TEL: (877) 436--2005 (Toll--Free)FAX: (602) 436--1501
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--1SECTION 1SYSTEM DESCRIPTION AND OPERATION1. OverviewA. General(1) The HS--700 high speed data (HSD) system is designed to form part of theMCS--7000 Aero H/H+ satellite communication (SATCOM) system. The MCS--7000multi--channel SATCOM (MCS) system includes a SD--700 satellite data unit (SDU),HP--600 high power amplifier (HPA), and Aero--H/H+ high gain antenna (HGA). TheHS--700 high speed data unit (HSU) provides an additional dedicated 64 kbpsintegrated services digital network (ISDN) or mobile packet data service (MPDS)channel that can be operated simultaneously with the MCS--7000 SATCOM system.(2) Figure 1-1 shows how the HSU interconnects to the MCS--7000 SATCOM system.The HSU is operated as a slave to the MCS system in cooperative mode. TheSD--700 SDU controls the slave HSU through a high speed ARINC 429 bus and adisable discrete.(3) The HSU is a terminal for data, fax, and voice communications through the Inmarsatglobal area network (GAN). It provides the services of this network to the user. Theuser can access these services through the user interfaces of the terminal.(4) The L--band radio frequency (RF) transmit outputs of the HSU and the SDU arecombined with an RF combiner. The output of the RF combiner drives a common 40W HPA, the diplexer portion of the diplexer/low noise amplifier (DLNA), and nominal12 dB gain antenna. The SDU manages the satellite selection and steers the HGA.(5) The L--band RF signals received from the satellite by the HGA and amplified by thelow noise amplifier in the DLNA are divided in two by the RF splitter. One signal set isconnected to and processed by the SDU. The other signal set is connected to andprocessed by the HSU. In this way, full duplex communication is achieved for all partsof the system (MCS--7000 and HS--700).(6) The MCS--7000 SDU and HPA require only operational software modifications toproperly operate with the HS--700.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--2Figure 1-1. High Speed Data System Block DiagramB. Aero--H/H+(1) Aero--H/H+ is a multi--channel aeronautical system that can operate in both theInmarsat--3 global and spot beams using either a fuselage-- or tail--mounted HGA.The type of antenna and the global/spot beam operation identify the type of servicepossible as given in Table 1-1.Table1-1. TypeofServiceAeroType AntennaGlobalBeamSpotBeamVoice9.6kbpsVoice4.8kbpsSecureVoice 4.8kbpsFax(max)PC Data(max)PacketModeData(max)Aero--H High gain Yes No Yes No Yes 4.8 kbps 2.4 kbps 10.5 kbpsAero--H+ High gain Yes Yes Yes Yes Yes 4.8/2.4kbps2.4 kbps 10.5 kbps
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--3(2) When used within the spot beams, the Aero--H+ service requires less power so thatcall charges are reduced.(3) All Honeywell/Thales aeronautical equipment complies with the International CivilAviation Organization (ICAO) Agency of the UN requirements for aeronautical safetyservices. The equipment can be used for communication, navigation, andsurveillance/air traffic management (CNS/ATM).C. HSD Services(1) The HS--700 HSD system provides two modes of communication: circuit--mode andpacket--mode. In these modes, there are five services provided as follows:•ISDN speech, typically used for ISDN telephones and Public Switched TelephoneNetwork (PSTN) telephones connected with a terminal adapter (TA).•3.1 kHz audio, typically used for analog data modems, group 3 fax machines, andsecure telephone unit (STU) terminals connected through a TA.•56 kbps unrestricted digital information (UDI) which is provided for compatibilitywith equipment requiring this service.•64 kbps UDI, typically used for video terminals, group 4 fax machines, datacommunication, and secure telephone equipment (STE) terminals.•MPDS, which is used for internet access and access to corporate local areanetworks (LAN) through the virtual private network (VPN) service.(2) The first four services are circuit--mode services and MPDS is a packet--modeservice.D. User Interfaces(1) The services of the HS--700 HSD system can be accessed through three interfaces:•ISDN NT1 (European S/T Interface)•EIA/TIA--232 Asynchronous Serial Port•10BASE--T Ethernet Port.(2) The ISDN network termination 1 (NT1) interface is the access point for allcircuit--mode services. This interface is physically located on the ARINC--404connector on the rear of the HSU. Except for the physical design of the connector,this interface is ISDN compliant. The HS--700 is configured as NT1 for directconnection to the user’s terminal equipment 1 (TE1) interface, or for connection toterminal equipement 2 (TE2) through an external terminal adapter (TA).(3) The HS--700 includes an internal 100 ohm termination resistor for the ISDN interfaceto support cable lengths longer than three meters.(4) The ISDN interface can supply power to up to four ISDN devices, but supports up toeight devices if at least four of them have their own power supply. During primarypower interruptions of up to 200 ms duration, the HS--700 is capable of maintaininghold--up with no more than one ISDN device being powered by the HS--700. Forexample, if more than one such phone is connected and an incoming call is receivedduring a 200 ms power interrupt, the HS--700 may reset rather than hold--up over thepower interruption.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--4(5) The EIA/TIA--232 asynchronous serial port interface is the primary access point forMPDS. The port provides a standard modem interface with a Hayes compatible ATstyle command set. For the data communication, the port operates in the point topoint protocol (PPP) mode. The HS--700 is configured as data circuit--terminatingequipment (DCE), using hardware flow control (RTS/CTS) and operating at 115.2kbps.(6) The 10BASE--T Ethernet port is an alternate access point for MPDS. The interfaceimplements a standard 10BASE--T Ethernet port, except for the connector. MPDS isaccessed using the point to point protocol over Ethernet (PPPoE). Only one of thetwo MPDS interfaces (10BASE--T or EIA/TIA--232--E) can be used at a time. The portto be enabled is selected during the configuration of the HSU. The MPDS interfaceconfiguration settings are stored in the configuration data module (CDM). TheHS--700 is configured as an Ethernet hub (DCE).E. Service Routing(1) Table 1-2 illustrates the routing or mapping of calls of a certain service to thecorresponding interface in the HS--700 system.Table 1-2. Service RoutingService/Interface ISDN Ethernet EIA/TIA--232ISDN Speech Yes No No3.1 kHz Audio Yes No No64 kbps UDI Yes No (Note) No (Note)56 kbps UDI Yes No (Note) No (Note)MPDS No Yes YesNOTE: Hardware for these combinations are implemented but no software is implemented in the initial version of theHS--700 system.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--5F. Control and Status Interfaces(1) The control interfaces include the following:•CMT interfaces•ARINC 429 control interfaces•HSU disable control interface•Discrete outputs.(2) The HSU has two CMT interfaces, one on the front panel and one on the ARINC 404connector at the rear panel. The rear panel interface makes it possible to connect tothe SDU and have the SDU access the HSU’s commissioning and maintenanceterminal (CMT) interface. The front panel interface provides an interface to a personalcomputer (PC) terminal for configuration and maintenance purposes. The CMTinterfaces are used for configuration control, SW downloads, and debug.(3) The debug shell provides access to a series of commands provided for debuggingpurposes. The commands are organized in shells. The active shell can be read fromthe command prompt.(4) The SDU controls the HSU via the ARINC 429 Interface. The HSU operates as aslave to the SDU in cooperative mode. Three levels of communication areimplemented on the ARINC 429 control interface as follows:•Solo words used for block transfers and solo words, for example, high priority andtiming--critical messages.•Periodic words, which are words transmitted at a periodic rate.•SDU/HSU message transfer, which is a high level message transfer byWilliamsburg protocol.(5) The Williamsburg protocol provides detection of errors and retransmissions of failedpackets. The protocol also provides the transmission of data packets spanning morethan one ARINC word.(6) A discrete input is provided for the SDU to disable the HSU. The HSU disable signalinhibits the transmitter output and keeps the HSU reset as long as it is activated.When released, the HSU performs a normal power--on self test (POST) procedure.(7) The HS--700 is supplied with three discrete outputs. One of the outputs is a spare forfuture use (not defined yet). The second is an HSD service availability indicator(ISDN or MPDS). The third is used to indicate failures in the HSU (from built--in testequipment [BITE], person--activated self--test [PAST] and POST).
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--6G. CDM(1) The HSU is supplied with a CDM, which is plugged into the rear panel of the HSU.The CDM stores all installation and user specific data and is designed to remain withthe aircraft. This allows easy replacement of the HSU, without the need for areconfiguration of the CDM. The CDM stores the following parameters:•ISN Number•Forward and Return ID•CDM Model Number•CDM Serial Number•CDM Data Type Version•Allowed Land Earth Station (LES)•Preferred LES•Default LES•Initial Equivalent Isotropic Radiated Power (EIRP) (e.g. 22.5 to 25.0 dBW)•Minimum Initial EIRP (e.g. 22.5 dBW)•Minimum Call EIRP (e.g. 17 dBW)•MPDS Initial EIRP (e.g. 22.5 dBW)•MPDS Interface Selection (Ethernet or EIA/TIA--232)•Receive (RX) Cable Loss•Transmit (TX) Cable Loss•Automatic Test Equipment (ATE) Access Levels.(2) All parameter values and settings except for the protected and non--changeablevalues can be read out from the CMT interfaces. This makes it possible to store allthe information on a floppy disk.(3) Each CDM is configured from the manufacturer with ISN numbers, IDs, and defaultvalues for all of the configuration parameters. If a defective CDM is replaced on anaircraft, all of the configuration parameters must be reentered into the new CDMthrough the CMT. Two CDMs cannot have the same ISN and IDs.H. Boot Loader(1) All software in the HSU (except for the boot loader) can be downloaded through theCMT interfaces without any hardware modifications. New software is loaded usingthe X--modem protocol with 1024 byte packets and cyclic redundancy check (CRC)on all packets. The transfer rate is 9.6 kbps (fixed) except for software upload on theCMT1 (front panel) interface, which is 115.2 kbps. During download, the HSU verifiesthe software for compatibility and errors (CRC). A command in the debug shell liststhe loaded file with CRC and version information.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--7I. BITE(1) General(a) The HSU has two types of BITE: continuous monitoring (CM) and PAST/POST. Ifa BITE error occurs, the BITE error code number is reported to the SDU and thefail/pass light emitting diode (LED) illuminates red.(b) The CDM has no BITE functions performed by itself. The HSU performs the BITEtests on the CDM by checking CRC, etc. If a BITE error occurs in the CDM, theBITE error code number is reported to the SDU and the fail/pass LED on theHSU illuminates red.(2) POST(a) The HSU can report some errors during POST, but these errors do not preventthe SDU from operating properly. The SDU and HSU take appropriate actions onthe detected BITE errors. Some of the more drastic actions from the SDU couldbe to turn the HSU RF off and reset and keep the HSU reset.(3) PAST(a) The PAST can be activated either through the SDU control interface or the resetbutton on the front panel of the HSU. The PAST performs the same tests as thePOST.(4) CM(a) Some of the hardware in the HSU is under continuous supervision by the BITEsoftware or by dedicated BITE monitoring hardware (for burst durationmonitoring). If any errors are detected either by software or hardware, they arereported to the SDU and appropriate actions are taken.(5) Performed Tests(a) Each error code is categorized into either an error or warning. Errors are errorsthat prevent the full use of all the HSU functionalities. Warnings are errors that donot prevent the use of the HSU but require the HSU to be sent for repair. Thetests include:•Digital hardware integrity tests•Software integrity tests•RF hardware monitoring.J. Cable Loss(1) The RF cable loss specifications for the RX and TX coax cables are per ARINC 741.ARINC 741 specifies an allowable input power level to the HPA of --12 to --2 dBm,given a variation in SDU to HPA cable loss of 19 to 25 dB (including a possibleexternal combiner for multiple antenna configurations). For each installation, thespecific RX and TX cable loss must be entered into the CDM through the CMTinterface for the HSU to be able to compensate its RX and TX gain accordingly.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--8K. Power Management(1) General(a) The HPA is shared between the SDU and the HSU. The HSU has to cooperatewith the SDU regarding the use of the shared HPA.(2) Power Allocation(a) The output power of the HPA is a limited resource. The SDU is responsible forthe management of this resource. The HSU must request that the SDU allocatepower before it can start a transmission. Depending on the channel mode(Table 1-3), the HSU asks the SDU to allocate the required amount of powerbefore using the channel. For burst mode channels such as MPDS, a fixedpower allocation is assumed. If sufficient power is granted, the SDU informs theHSU what backoff from 12 dBm will generate the requested power, and then theHSU can initiate the transmission. The HSU indicates to the SDU what is thelowest amount of power that the SDU can allocate to initiate a call before the callsetup is rejected.(b) In the single carrier per channel (SCPC) and MPDS modes, the HSU mayoperate in either nominal power mode (25 dBW) or economy mode (less than 25dBW) depending on a setting in the CDM. When the power control protocol ofthe LES reduces or increases the EIRP of the HSU, the HSU gives the SDU thenew EIRP level. The HSU also waits for the SDU to indicate what power isavailable and what the HSU backoff level should be. If the HSU receives a lowerpower allocation than it requested, it operates the channel until the channelnaturally terminates or the power is less than the Inmarsat minimum requirementof 17 dBW.(c) An SDU owner requirements table (ORT) item governs the minimum power thatthe SDU will allocate for the HS--700, even when the HS--700 indicates a lowercurrent power requirement due to ongoing dynamic power control commandsfrom the ground station. This allows for more stability of both Aero--H/H+ andHSD calls, for example, fewer incidents of calls being terminated (shortly afterbeing established) due to changing power requirements.Table 1-3. Power AllocationChannel Mode Power RequiredTime Division Multiplex (TDM) (Signaling) 14 dBWSCPC (Circuit--Mode) As defined in the CDM (nominally 25 dBW)MPDS (Packet--Mode) As defined in the CDM (nominally 25 dBW)
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--9(3) Power Adjustment(a) By design, the shared HPA assumes a constant input level. Subsequently, theHSU has to adjust its carrier level when an event causes the SDU to change itscarrier level.(b) The SDU is responsible for informing the HSU when adjustment is required andwhat the new backoff will be relative to the initial power. The HSU applies thenew backoff immediately upon reception of the SDU message.(4) Power Preemption(a) There are conditions when the SDU needs to ask the HSU to release the powerthat has been reserved for its use. For example, a cockpit/important cabin callneeds to be made and there is not enough power available for it withoutsacrificing the HSU power, the antenna gain has fallen too low to support anychannel types, etc.(b) The preempt type indicates power is no longer available and all the HSU can dois terminate any ongoing transmission and inform any user that the service is nolonger available. When a preemption has taken place and the SDU is stilllogged--on (e.g still steering the antenna), the HSU asks for power to bereserved every 10 seconds.(c) An SDU ORT item governs how the SDU will manage preemption of HSD callswhen Aero--H/H+ calls (new or ongoing) require power that would otherwise beused by HSD calls. This item has no effect on the priority preemption scheme,whereby higher priority safety--service Aero--H/H+ calls preempt lower--prioritycalls (including HSD) as required. This ORT item has separate settings for ISDNand for MPDS. These settings govern whether or not the respective HSD servicecan be preempted, as required, in favor of non--safety (public correspondence)low--priority Aero--H/H+ calls (voice, fax, or PC modem). This item can thus beused to favor such Aero--H/H+ calls over HSD, or vice--versa. For example, theSDu can be set to allow Aero--H/H+ calls to preempt (as necessary) MPDS HSD,but not ISDN HSD, assuming that active phone calls are more important than thealways--on but possibly idle MPDS, and that active ISDN HSD is more importantthan voice calls.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--102. System ComponentsA. General(1) Table 1-4 gives the component part numbers supplied by Honeywell. Table 1-5 givescomponents that are necessary, but are not supplied by Honeywell.Table 1-4. Components Supplied by HoneywellComponent Model No. Honeywell Part No.HSU HS--700 7519360--901 (with CDM)7519360--902 (without CDM)RFSplitter/Combiner -- 7519349--1CDM HS--700--001 7519362--1Table 1-5. Components/Parts Not Supplied by HoneywellComponent/Part CommentsHSU Mounting Tray ARINC 404A, 1/4 short ATR mount, cooling air not required.(Installer to supply mount.)NOTE: Refer to paragraph 3.D. in this section for mounting tray information.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--113. Component DescriptionsA. HS--700 HSU(1) The HSU is designed to perform reliably under field conditions and provide ease ofmaintenance when required.(2) The HSU is packaged as a 1/4 short ATR. The mechanical chassis is constructed ofaluminum alloy sheet metal. The HSU does not require external cooling air. The HSUis shown in Figure 1-2.(3) Table 1-6 gives the leading particulars for the HSU and Table 1-7 gives the DO--160Dcategories that this equipment meets or exceeds.Figure 1-2. HS--700 HSU
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--12Table 1-6. HS--700 Leading ParticularsCharacteristic SpecificationDimensions (maximum):•Length ................................•Width .................................•Height ................................12.99 in. (329.946 mm)2.25 ±0.03 in. (57.150 ±0.762 mm)7.62 in. (193.548 mm)Weight (maximum) ....................... 4.63 lb (2.1 kg) nominal, 5.97 lb (2.7 kg) maximumPower requirements (continuous operation):•Nominal ............................... 28 V dc•Maximum ............................. 32.2 V dc•Minimum .............................. 20.5 V dcPowerconsumption....................... 20 W maximum (eight ISDN phones connected)Power hold--up ........................... 5 ms (fully operational), 200 ms (power save mode)1.Cooling requirements ..................... NoneConnector X1 (front) ...................... D--sub 9 contact receptacleMating connector (X1) .................... Standard D--sub 9 contact plugConnector X2 (rear) ...................... Radiall Part No. 616--697--202Mating connector (X2) .................... Radiall Part No. 616--697--201•20AWGcontacts ...................... Radiall Part No. 616--310•16AWGcontacts ...................... Radiall Part No. 616--330•Size 5 twinax contacts .................. Radiall Part No. 616--095--001•Size5coaxcontacts.................... Radiall Part No. 616--021Mounting ................................ Tray, ARINC 404A, 1/4 short ATRTuning range:•RX ................................... 1525.0 to 1559.0 MHz•TX ................................... 1626.5 to 1660.5 MHzDoppler compensation .................... ±2.5 kHz (approximately ±360 m/s)Rate of Doppler frequency change(maximum) .............................. ±65 Hz/s (approximately 50°banking angle)RF receive levels:•M4 (134.4 kbps) ....................... --96 to --43 dBm per carrier•Mini--M(3.0kbps) ...................... --109 to --50 dBm per carrier2.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--13Table 1-6. HS--700 Leading Particulars (cont)Characteristic SpecificationRF transmit levels:•Output power level (nominal) ............ +12 dBm•Output power level range ................ -- 1 3 t o + 1 3 d B mChannel spacing:•High speed data M--4 channel (134.4 kbps) 40.0 kHz•Mini--M transmit signalling (3.0 kbps) ...... 20.0 kHz•Mini--M receive signalling (6.0 kbps) ...... 10.0 kHzChannel grid spacing (all channel types) ..... 1.25 kHzMPDS232 .............................. EIA/TIA--232, 115.2 kbps, asynchronous RFC 1549high--level data link control (HDLC), configuration: datacircuit--terminating equipment (DCE) with hardware flowcontrolMPDS 10BASE--T ........................ Ethernet 10BASE--T (10 Mbps)ISDN:•UDI .................................. 64 kbps•Data .................................. 56 kbps•Audio ................................. 64 kbps (3.1 kHz)•Speech ............................... 64 kbpsFaxdatarate ............................ 14,400 bps V.17 (3.1 kHz audio)SDUcontrolinterface ..................... 100 kbps high speed ARINC 429Configuration and maintenance ............ Standard asynchronous serial EIA/TIA--232--E, 9.6 kbps(115.2 kbps for software upload) via front panel CMT1interface, configuration: DCE with software flow control,XON, XOFFAmbient temperature:•Operational ............................ -- 2 0 °Cto+55°C•Storage ............................... -- 5 5 °Cto+85°CAltitude:•Non--pressurized(CatF1) ............... 55,000 ft•Pressurized(CatA1) ................... 15,000 ftRelative humidity ......................... 95% non--condensing at +50 °CCircuit breaker current capability ............ 20 W at 17.7 V dc3.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--14Table 1-6. HS--700 Leading Particulars (cont)Characteristic SpecificationPower supply cable impedance requirement . Less than 225 milliohm (includes circuit breaker)NOTES:1. During the power save mode, there is a short interruption, but the connection/call is kept (no redial is necessary).2. The HS--700 does not support mini--M services. The mini--M transmit and receive signals are only used forsignalling/controlling the Aero--M4 high speed data services.3. Forexample,theKlixon2TCseriescircuitbreakerwitha4Acurrentrating,orequivalent, should be sufficient formost installations.Table 1-7. DO--160D Environmental CategoriesDescription CategoryTemperature and Altitude A1F1In--Flight Loss of Cooling XTemperature Variation CHumidity AShock BVibration S2B2Explosion Proofness EWaterproofness XFluids Susceptibility XSand and Dust XFungus Resistance XSalt Spray XMagnetic Effect APower Input A()BVoltage Spike AAudio Frequency Susceptibility A()BInduced Signal Susceptibility ZRadio Frequency (RF) Susceptibility RRREmission of RF Energy MLightning Indirect Effects A3E3Lightning Direct Effects X
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--15Table 1-7. DO--160D Environmental Categories (cont)Description CategoryIcing XElectrostatic Discharge (ESD) A(4) Table 1-8 gives a description of the HSU front panel lights and button.Table 1-8. HSU Front Panel DescriptionLED/Button DescriptionFAIL LED The red FAIL LED continually illuminates when a failure has been detectedin the HSU which can degrade the system operation.SELF TEST LED The green SELF TEST LED continually flashes during POST and PAST toindicate that the self test is operating. The LED is extinguished when allself tests have been completed.RESET Button The HSU has a RESET button on the front panel for BITE purposes. If theRESET button is pushed, the HSU first asks the SDU for permission toperform the reset procedure. The RESET button can be activated at anytime. During the RF loop back part of the test procedure, the HPA andDLNA are switched off by the SDU.B. CDM(1) The CDM is housed in a small box which fits into the slot on the rear panel of theHSU. Figure 1-3 shows the CDM. The leading particulars for the CDM are given inTable 1-9.NOTE: When extracting the LRU from the aircraft’s mounting tray for maintenance,detach the CDM from the rear of the removed LRU and install the CDM onthe replacement LRU.Figure 1-3. CDM
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--16Table 1-9. CDM Leading ParticularsCharacteristic SpecificationDimensions (maximum):•Length ................................•Width .................................•Height (excluding fasteners) .............1.79 ±0.02 in. (45.5 ±0.05 mm)0.79 ±0.02 in. (20.0 ±0.05 mm)2.68 ±0.02 in. (68.0 ±0.05 mm)Weight (maximum) ....................... .022 lb (0.1 kg)Power requirement ....................... +3.0 to +3.5 V dcPowerconsumption....................... 5mAPower hold--up ........................... Full power hold--up provided by the HSUMemory capacity ......................... 32 kbyteWrite sessions ........................... 100,000 minimumAmbient temperature:•Operational ............................ -- 2 0 °Cto+55°C•Storage ............................... -- 5 5 °Cto+85°CAltitude:•Non--pressurized(CatF1) ............... 55,000 ft•Pressurized(CatA1) ................... 15,000 ftRelative humidity ......................... 95% non--condensing at +50 °C
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--17C. RF Splitter/Combiner(1) One RF splitter/combiner divides the signal received from the DLNA which is thensent to the SDU and HSU; the other RF splitter/combiner combines the transmitoutputs of the SDU and HSU to drive the HPA. Each unit weighs 2.5 oz. (70.87grams). Figure 1-4 shows the RF splitter/combiner.Figure 1-4. RF Splitter/CombinerD. HSU Mounting Tray(1) The HS--700 HSU ARINC 404A connector, contacts, and mounting trays can bepurchased from ECS or EMTEQ. The addresses for ECS and EMTEQ are as follows:Electronic Cable Specialists5300 W. Franklin DriveFranklin, WI 53132U.S.A.Telephone: (414) 421--5300Fax: (414) 421--5301EMTEQS84 W. 18693 Enterprise DriveMuskego, WI 53150U.S.A.Telephone: (262) 679--6170 / 1--888--679--6170
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 1--18(2) Table 1-10 gives a list of HSU mounting trays available through ECS. ContactEMTEQ for a list of HSU mounting trays available.Table 1-10. HSU Mounting TraysECS Part No. Description Voltage4130 1/4 ATR Tray Assembly Short/Short with DPX2 Cutout 28 V dc
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--1SECTION 2MECHANICAL INSTALLATION1. OverviewA. General(1) This section contains information on how and where to mount the HSU, CDM,combiner, and splitter. Figure 2-1 shows the HSU dimensions. Figure 2-2 showsmounting tray dimensions. Figure 2-3 shows the physical attributes of the CDM.Figure 2-4 shows the dimensions and mounting hole dimensions of the RFsplitter/combiner.B. Equipment and Materials(1) See the applicable outline and installation diagram in this section for mountinginformation.2. Mechanical Installation DesignA. HS--700 HSU Provisions(1) Mechanical installation data for the HS--700 HSU is shown in Figure 2-1. The HSU ismounted in an ARINC 404A 1/4 ATR short , 2MCU chassis with one hold--downhook. It can be installed inside the pressurized area, or outside (within the limits ofDO--160D specifications). It is important that the HSU is installed in a location whereits operational temperature specifications are met. The HSU is approved forinstallation on jet engine aircraft, but not turboprops or helicopters. No special coolingis required, but the airflow must not be blocked.(2) The location of the mounting tray should allow the interface cabling to other units tobe as short as possible. The location must give protection against rain, condensation,solvents, and hydraulic fluid. The mounting tray must be electrically bonded to theaircraft frame by a low resistance path of less than 0.1 ohm. Mechanical installationdata for the mounting tray is shown in Figure 2-2.B. CDM Provisions(1) Mechanical installation data for the CDM is shown in Figure 2-3. The CDM isdesigned for mounting into the slot in the HSU rear panel and acts as an integratedpart of the HSU. The CDM has the same installation requirements as the HSU.(2) AstudontheCDMcanbeusedtoattachatetherbetweentheCDMandthemounting tray to make sure that the CDM stays with the aircraft in case the HSUmust be replaced.C. RF Splitter/Combiner Provisions(1) Mechanical installation data for the splitter/combiner is shown in Figure 2-4.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--2Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--3/(2--4 blank)Figure 2-1 (Sheet 1). HSU Outline and Installation Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--5/(2--6 blank)Figure 2-1 (Sheet 2). HSU Outline and Installation Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--7/(2--8 blank)Figure 2-2. Mounting Tray Outline and Installation Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--9/(2--10 blank)Figure 2-3. CDM Outline and Installation Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--11Figure 2-4. RF Splitter/Combiner Outline Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 2--12Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--1SECTION 3ELECTRICAL INSTALLATION1. OverviewA. General(1) This section gives electrical installation procedures, power distribution, andinterconnect information for the HSU, combiner, and splitter.(2) Procedures for proper shield, power, and signal grounding are also provided in thissection. In addition, procedures for the various buses are included.B. Equipment and Materials(1) See leading particulars table for a list of mating connectors required to do theelectrical installation.2. Electrical Installation ProcedureA. General(1) The information necessary to provide the electrical interconnects is contained in thefollowing paragraphs.B. Power Requirements(1) The aircraft dc power supply must be 28 V dc (nominal). The normal minimum andmaximum voltages permitted are 20.5 and 32.2 V dc respectively.(2) Power supply to the HSU -- The voltage level of the power supplied to the HSU isimportant in this installation. The potential is the difference between the power pinsand power ground pins at the line replaceable unit (LRU). Excessive voltage drops inthe power wire(s) and power ground wire(s) cause one or more of the followingconditions:•The LRU draws additional current from the aircraft supply system.•The voltage drop can become large enough that the LRU oscillates on and off atlow line. This oscillation can damage the LRU.(3) The HSU is supplied from the 28 V dc aircraft power system through a separatecircuit breaker. It is essential to keep the impedance of the power supply cablesbelow the limits specified in Table 1-6. The HSU also provides the power supplyvoltages to the CDM.(4) The recommended maximum total combined voltage drop (voltage drop of the powerwire[s] plus voltage drop of the power ground wire[s]) low line input is 1.0 V. Voltagedrop is a function of current and resistance (resistance in this case is a function ofwire gauge and wire length). See Figure 3-1 for determining proper wire gauge for around trip length of LRU power and power ground wires.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--2Figure 3-1. Electric Cable ChartC. Ground Requirements(1) General(a) Proper grounding is a key factor in ensuring proper system operation undernormal conditions, high intensity radiated electromagnetic frequencies (HIRF),and lightning environments. You must obey this section to satisfy theserequirements.NOTE: HIRF and lightning requirements dictate that the shielded wires meetthe requirements of paragraph 2.C.(3). Installation of this system intoaircraft manufactured prior to the FAA requirements adheres to thesepractices whenever feasible.(2) Chassis Grounding(a) All rack mount/remote mount units are electrically bonded to the airframe. This isdone by making sure the mating surfaces between the LRU mounting tray (orLRU mounting feet if a tray is not used) provide a low impedance (< 0.1 Ω)electrical path.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--3(b) The mating surfaces must be free of all paint and other non--conductiveelements and are burnished to ensure a good bond. If the aircraft mating surfaceis not conductive, a bonding strap of a least 1/4--inch wide (preferably 1/2--inchwide) tin coated copper braid can be used between the LRU mounting tray (orLRU itself if a tray is not used) and the nearest airframe grounding point.(3) Shield Grounds(a) The shield wires in the HSU have the shield grounded at both ends. This iscalled multi--point grounding and is specified to minimize the adverse effects ofHIRF and lightning.(b) The shield must not be connected to any LRU or bulkhead connector pin.(c) Examples of multi--point shield grounding methods are shown in Figure 3-2 andFigure 3-3. The shield grounding method for rack mount units is detailed inFigure 3-4. This is the preferred shield grounding method for the HSU rackmount unit.Figure 3-2. Example 1, Multi--point Shield GroundFigure 3-3. Example 2, Multi--point Shield Ground
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--4Figure 3-4. Shield Grounding Example for Rack Mount Connectors(4) Power/Signal Grounds(a) The length of exposed unshielded cable and the length of the drain leads iscritical for proper operation and EMC compliance. Figure 3-5 shows the properaircraft grounding method. It is critical that the ground pigtails be individuallyconnected to the tag ring(s). If the are daisy--chained, there will be EMCcompliance issues. Coaxial cables must have a continuous shield from the cableinto the tray connector. Do not put pigtails coaxial cables.NOTE: It is very important this grounding technique be adhered to. Do not tiethe various ground wires to multiple aircraft frame points and depend onthe aircraft structure to supply a low impedance path for the individualgrounds. Only chassis grounds and shield grounds are grounded atmultiple points in the aircraft.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--5Figure 3-5. Aircraft Grounding(b) Because signal grounds are low currents, multiple signal grounds can beconnected to remote aircraft terminal blocks other than the central groundingblocks as long as these remote terminal blocks are isolated from ground. Thevarious remote signal ground blocks must all be grounded only at the aircraftcentral grounding point. If 10 signal grounds are connected to a remote terminalblock, a minimum of one grounding wire must be run from this terminal block tothe aircraft central grounding point.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--63. Electrical InstallationA. HSU(1) General(a) The HSU interface block diagram is shown in Figure 3-6.Figure 3-6. HSU Interface Block Diagram(2) HSU X1 Connector(a) The HSU front panel X1 connector is an interface to a PC for maintenancepurposes. The X1 connector is a 9--pole female sub--D filter connector. The HSUX1 connector layout is shown in Figure 3-7. Table 3-1 gives the pin assignmentsof the X1 connector.(b) The HSU has two CMT interfaces, one on the X1 connector (CMT1) and one onthe X2 connector (CMT2). Both interfaces support EIA/TIA--232--E standard andcanalsobeusedasaprinterinterface.OnlytheCMT1ontheX1connectorcanbe used for software uploading. The interfaces are configured as DCE on theHSU.(c) The CMT1 interface (pins 2, 3, and 5) has a Baud rate of 9,600 bps or 115.2kbps for software uploading. There are eight data bits and one stop bit with noparity.(d) The HSU X1 connector contains an input pin (pin 4) to disable the X2 rearconnector CMT2 interface. If the rear connector CMT2 interface is connected toa terminal, it is diabled when using the front connector CMT1 since both CMTsshare the same internal serial I/O port.(e) The rear connector CMT2 interface is disabled by connecting X1 connector pin 4to--12Vdc.Thisisdonebymountingajumperfrompin4topin6intheserialcable plug. If a fully populated RS--232 serial cable is used, no jumper is needed.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--7Figure 3-7. HSU Maintenance Connector (X1) Pin LayoutTable 3-1. HSU X1 Connector Pin AssignmentsPin Signal Name/Description1Not Used2CMT1 RXD Output (EIA/TIA--232--E)3CMT1 TXD Input (EIA/TIA--232--E)4CMT2 Interface Disable Input5CMT1 GND (EIA/TIA--232--E)6CMT1 --12VDC (to pull down pin 4)7Not Used8Not Used9Not Used(3) HSU X2 Connector(a) The HSU rear panel X2 connector is an interface to aircraft and SATCOMinterconnections. The X2 connector is an ARINC 404 shell size 2 receptacleconnector. The layout of the HSU X2 connector is shown in Figure 3-8. Table 3-2gives the pin assignments of the X2 connector.(b) The HSU disable input is used by the SDU to reset and inhibit the transmitteroutput signal from the HSU. The ARINC 429 interface is used by the SDU tocontrol the HSU. The HSU operates as a slave to the SDU. The interface is a100 kbps high speed ARINC 429 receive and transmit data bus to/from the SDU.The HSU transmits and receives simultaneously on the two ARINC 429channels.(c) The CMT2 interface (pins 5, 6, and 7) has a Baud rate of 9,600 bps fixed. Thereare eight data bits and one stop bit with no parity.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--8Figure 3-8. HSU ARINC 404 Connector (X2) Pin LayoutTable 3-2. HSU X2 Connector Pin AssignmentsPin Signal Name/DescriptionTP A1 RF RX Input from DLNA/SplitterTP A2 RF TX Output to HPA/CombinerTP A3 10Base--T RX Output to User (RJ--45 pins 3 and 6)TP A4 10Base--T TX Input from User (RJ--45 pins 1 and 2)TP1 +28 V dc Ground PowerTP2 GND (Ground Power Return)TP3 Chassis GroundTP4 Not UsedTP5 CMT2 GND (EIA/TIA--232--E)TP6 CMT2 TXD Input (EIA/TIA--232--E)TP7 CMT2 RXD Output (EIA/TIA--232--E)TP8 HSU Disable Discrete InputTP9 ATE #1 Discrete InputTP10 ATE #2 Discrete InputTP11 MPDS TXD Input (EIA/TIA--232--E) from User (DB25--2/DE9--3)TP12 MPDS RXD Output (EIA/TIA--232--E) to User (DB25--3/DE9--2)
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--9Table 3-2. HSU X2 Connector Pin Assignments (cont)Pin Signal Name/DescriptionTP13 MPDS RTS Input (EIA/TIA--232--E) from User (DB25--4/DE9--7)TP14 MPDS CTS Output (EIA/TIA--232--E) to User (DB25--5/DE9--8)TP15 MPDS DTR Input (EIA/TIA--232--E) from User (DB25--20/DE9--4)TP16 MPDS DCD Output (EIA/TIA--232--E) to User (DB25--8/DE9--1)TP17 MPDS DSR Output (EIA/TIA--232--E) to User (DB25--6/DE9--6)TP18 MPDS GND (EIA/TIA--232--E) (DB25--7/DE9--5)TP19 Data Bus Output to SDU (ARINC 429--A)TP20 Data Bus Output to SDU (ARINC 429--B)TP21 Data Bus Input from SDU (ARINC 429--A)TP22 Data Bus Input from SDU (ARINC 429--B)TP23 ISDN TxP (c) Input + (Plus) from User (RJ--45 pin 3)TP24 ISDN RxP (d) Output + (Plus) to User (RJ--45 pin 4)TP25 ISDN RxN (e) Output -- (Minus) to User (RJ--45 pin 5)TP26 ISDN TxN (f) Input -- (Minus) from User (RJ--45 pin 6)TP27 HSU Failure Discrete Output (Lamp Type)TP28 Service Available Discrete Output (Lamp Type)TP29 Discrete Output Spare 2 (Lamp Type)(4) HSU X3 Connector(a) The HSU rear panel X3 CDM connector is an interface to the CDM. The X3connector is a 9--pole female sub--D connector. The layout of the HSU X3connector is shown in Figure 3-9. Table 3-3 gives the pin assignments of the X3connector.(b) The CDM consists of a write protected memory area and a non--write protectedmemory area. The write protected area contains the ISN number and theforward/return IDs which can only be altered by the manufacturer. The non--writeprotected area contains the system configuration and installation specific data.The contents of the non--write protected area can be altered or accessed by useof a software password. The communication protocol between the HSU and theCDM follows a synchronous serial protocol.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--10Figure 3-9. HSU CDM Connector (X3) Pin LayoutTable 3-3. HSU X3 Connector Pin AssignmentsPin Signal Name/Description1CS -- Chip Select Signal to the CDM (Active Low)2SO -- Serial Output Data from the CDM3WP -- Write Protect Signal to the CDM (Active Low)4NC -- Not Connected5SI -- Serial Input Data to the CDM6SCK -- Serial Clock to the CDM (2 MHz maximum)7ADR0 -- Address output to the CDM (5 V/10 mA maximum)8ADR1/ ID Input -- Output: 3 V Levels (Tri--state), Input: 3 V or 5 V Levels and10 Kohm pull down resistor9VCC -- Power Supply Voltage to the CDM (3.3 V ±0.15 V, 5 mA maximum)Shield GND -- Sheild must be connected internally to groundB. CDM(1) The CDM is connected to the X1 connector of the HSU. Refer to paragraph 3.A.(4) inthis section for electrical installation information for the HSU X1 connector.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 3--11/(3--12 blank)Figure 3-10. HS--700 High Speed Data System Interconnect Diagram
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 4--1SECTION 4INSTALLATION CHECK1. OverviewA. General(1) TBD.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 4--2Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 5--1SECTION 5ADJUSTMENT/TEST1. OverviewA. General(1) To be supplied.
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SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 6--1SECTION 6FAULT ISOLATION1. OverviewA. General(1) To be supplied.
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SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--1SECTION 7MAINTENANCE PRACTICES1. OverviewA. General(1) This section provides instructions for removing, reinstalling, and adjusting the HSU,CDM, combiner, and/or splitter that has been previously installed by the aircraftmanufacturer or completion center. Adjustment information is called out as required.CAUTION: SHOULD ANY INSTALLATION CRITICAL CASES ARISE WITH THEREINSTALLATION OF ANY UNIT, YOU MUST COMPLY 100 PERCENTWITH THE INSTRUCTION.CAUTION: TO PREVENT DAMAGE TO EQUIPMENT, TURN AIRCRAFT POWER OFFWHEN REMOVING OR INSTALLING LRUS.B. Equipment and Materials(1) No additional special equipment or materials, other than those commonly used in theshop, are required to install the units in existing trays and clamps, and adjust thesystem. Do not over tighten mounting screws. Where torque values are not given, itis acceptable to finger tighten the mounting screws.2. Procedure for the HS--700 HSUA. Removal and Reinstallation Procedures(1) Remove the HSU.(a) Remove power from the HSU and the interfacing subsystems (such asSATCOM). Circuit breakers for the systems are typically located on the flightdeck.(b) Loosen the mounting tray holddown clamp by rotating in a counterclockwisedirection.(c) Slowly pull forward on the unit handle to separate the unit and tray connectorsand slide the unit out of the tray, lifting slightly to clear the holddown clamps.(d) Remove the CDM. Refer to paragraph 3. in this section.(e) Place electrostatic protective covers on the HSU connectors to protect the pinsfrom damage.(f) Place the HSU in a protective static--resistant bag and protective carrying case.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--2(2) Reinstall the HSU.(a) Remove the HSU from the protective carrying case and protectivestatic--resistant bag.(b) Remove the electrostatic protective covers from the HSU rear connector.(c) Install the CDM. Refer to paragraph 3. in this section.(d) Slide the unit into the mounting tray.CAUTION: WHEN PLACING THE UNIT ON THE MOUNTING TRAY, DO NOTFORCE FIT. IF MATING IS DIFFICULT, REMOVE THE UNIT ANDCHECK FOR CONNECTOR PINS THAT CAN BE BENT OR OUT OFALIGNMENT. ALSO VISUALLY CHECK THE ALIGNMENT OF THERECEPTACLE ON THE MOUNTING TRAY.(e) Gently slide the unit backwards until its connectors are fully engaged with themating connectors of the mounting tray.(f) Put the holddown clamps in place and tighten the knobs in a clockwise directionuntil the proper torque is applied (clutch engages).(g) Reapply power to the HSU and its interfacing equipment.NOTE: Upon applying primary power, the HSU will automatically power up andstart a POST.B. Adjustment Procedures(1) Not applicable.C. Repair Procedures(1) Not applicable.D. Return to Service Procedures(1) Refer to test procedures in the INSTALLATION CHECK section of this manual.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--33. Procedure for the CDMA. Removal and Reinstallation Procedures(1) Remove the CDM.(a) Remove power from the HSU and its interfacing equipment. Circuit breakers forthe HSU are typically located on the flight deck.(b) Remove the HSU. Refer to paragraph 2. in this section.(c) Loosen the two screws holding the CDM to the HSU.(d) Remove the CDM from the HSU and place a protective cover on the connector.(2) Reinstall the CDM.(a) Remove the protective cover from the connector.(b) Carefully attach the CDM to the HSU using two screws.(c) Install the HSU. Refer to paragraph 2. in this section.(d) Reapply power to the HSU and its interfacing equipment.B. Adjustment Procedures(1) Re--enter all of the configuration parameters using the CMT.C. Repair Procedures(1) Not applicable.D. Return to Service Procedures(1) Refer to test procedures in the INSTALLATION CHECK section of this manual.4. Procedure for the Combiner/SplitterA. Removal and Reinstallation Procedures(1) Remove the combiner.(a) Remove power from the HSU. Circuit breakers for the HSU are typically locatedon the flight deck.(b) Locate the combiner.(c) Disconnect the aircraft connectors from the combiner and place protective coverson the connectors.(d) Remove the two screws holding the combiner in position.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--4(2) Reinstall the combiner.(a) Attach the combiner using two screws.(b) Remove the protective covers from the connectors and install the aircraftconnectors on the combiner.(c) Reapply power to the HSU and its interfacing equipment.(3) Remove the splitter.(a) Remove power from the HSU. Circuit breakers for the HSU are typically locatedon the flight deck.(b) Locate the splitter.(c) Disconnect the aircraft connectors from the splitter and place protective coverson the connectors.(d) Remove the two screws holding the splitter in position.(4) Reinstall the splitter.(a) Attach the splitter using two screws.(b) Remove the protective covers from the connectors and install the aircraftconnectors on the splitter.(c) Reapply power to the HSU and its interfacing equipment.B. Adjustment Procedures(1) Not applicable.C. Repair Procedures(1) Not applicable.D. Return to Service Procedures(1) Refer to test procedures in the INSTALLATION CHECK section of this manual.
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--55. Instructions for Continued Airworthiness, Code of Federal RegulationCFR 91.213A. General(1) Maintenance requirements and instructions for continued airworthiness of theHS--700 HSU components are contained in the following paragraphs:(2) Installation of the HSU on an aircraft by Supplemental Type Certificate or Form 337obligates the aircraft operator to include the maintenance information provided by thismanual in the operator’s Aircraft Maintenance Manual and the operator’s AircraftScheduled Maintenance Program.B. Instructions(1) Maintenance information for the HSU (system description, removal, installation,testing, etc.) is contained in this manual.(2) LRU part numbers and other necessary part numbers contained in this manualshould be placed into the aircraft operator’s appropriate aircraft Illustrated PartsCatalog (IPC).(3) Wiring diagram information contained in this manual should be placed into the aircraftoperator’s appropriate aircraft Wiring Diagram Manuals.(4) The high speed data system components are considered on--condition units and noadditional maintenance is required other than a check for security and operation atnormal inspection intervals.(5) If a system component is inoperative, remove unit, secure cables and wiring, collarapplicable switches and circuit breakers, and placard them inoperative. Reviseequipment list and weight and balance as applicable prior to flight and make a logbook entry that unit was removed. Refer to section 91.213 of the CFR or the aircraft’sminimum equipment list (MEL).(6) The HSU components can be repaired only at a factory authorized repair center or anappropriately rated FAA Part 145 repair station.(7) Once repaired, reinstall the LRU in the aircraft in accordance with the original Form337 approved data or instructions in this manual. Do a return--to--service test of thesystem and approve it for return to service with a log book entry required by section43.9 of the FAR.(8) Scheduled Maintenance Program tasks to be added to the aircraft operator’sappropriate aircraft maintenance program are as follows:(a) Recommended Periodic Scheduled Servicing Tasks: None Required(b) Recommended Periodic Inspections: None Required(c) Recommended Periodic Scheduled Preventative Maintenance Tests (Tests todetermine system condition and/or latent failures): None Required
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page 7--6Blank Page
SYSTEM DESCRIPTION AND INSTALLATION MANUALHS--700 High Speed Data System23--20--3330 Aug 2002Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.Page A--1APPENDIX AINMARSAT REGISTRATION FORM1. OverviewA. General(1) This appendix provides an example of the Inmarsat registration form required toactivate the HSD system.
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