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SYSTEM DESCRIPTION AND INSTALLATION MANUAL

HS--700 High Speed Data System

23--20--33

30 Aug 2002

Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.

Page 3--1

SECTION 3

ELECTRICAL INSTALLATION

1. Overview

A. General

(1) This section gives electrical installation procedures, power distribution, and

interconnect information for the HSU, combiner, and splitter.

(2) Procedures for proper shield, power, and signal grounding are also provided in this

section. 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 the

electrical installation.

2. Electrical Installation Procedure

A. General

(1) The information necessary to provide the electrical interconnects is contained in the

following paragraphs.

B. Power Requirements

(1) The aircraft dc power supply must be 28 V dc (nominal). The normal minimum and

maximum 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 is

important in this installation. The potential is the difference between the power pins

and power ground pins at the line replaceable unit (LRU). Excessive voltage drops in

the power wire(s) and power ground wire(s) cause one or more of the following

conditions:

•

The LRU draws additional current from the aircraft supply system.

•

The voltage drop can become large enough that the LRU oscillates on and off at

low line. This oscillation can damage the LRU.

(3) The HSU is supplied from the 28 V dc aircraft power system through a separate

circuit breaker. It is essential to keep the impedance of the power supply cables

below the limits specified in Table 1-6. The HSU also provides the power supply

voltages to the CDM.

(4) The recommended maximum total combined voltage drop (voltage drop of the power

wire[s] plus voltage drop of the power ground wire[s]) low line input is 1.0 V. Voltage

drop is a function of current and resistance (resistance in this case is a function of

wire gauge and wire length). See Figure 3-1 for determining proper wire gauge for a

round trip length of LRU power and power ground wires.

Содержание HS-700

Страница 1: ...States in accordance with the export administration regulations Diversion contrary to U S law is prohibited Honeywell Aerospace Electronic Systems CES Phoenix P O Box 21111 Phoenix Arizona 85036 1111 U S A Printed in U S A Pub No A15 5111 007 23 20 33 Title Page T 1 30 Aug 2002 System Description and Installation Manual HS 700 High Speed Data System ...

Страница 2: ...xtent required for installation or maintenance of the recipient s equipment NOTICE FREEDOM OF INFORMATION ACT 5 USC 552 AND DISCLOSURE OF CONFIDENTIAL INFORMATION GENERALLY 18 USC 1905 This document is being furnished in confidence by Honeywell The information disclosed herein fall within exemption b 4 of 5 USC 552 and the prohibitions of 18 USC 1905 S2002 Honeywell is a U S registered trademark o...

Страница 3: ... is based on electronic form INF 300 Revision 0 To help us improve the quality of our publication Honeywell encourages any report of a possible data error PUBLICATION INFORMATION Publication Number A15 5111 007 Volume No Book or Addendum ATA Number 23 20 33 Latest Issue Date From Title Page Publication Title High Speed Data Unit Document Type System Description and Installation Manual READER INFOR...

Страница 4: ...IT NO 3532 PHOENIX AZ FOLD FOLD POSTAGE WILL BE PAID BY ADDRESSEE Honeywell Aerospace Electronic Systems CES Phoenix P O Box 21111 Phoenix Arizona 85036 1111 U S A ATTN Technical Publications Quality Administrator NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES ...

Страница 5: ...t Issue Date From Title Page Publication Title High Speed Data Unit Document Type System Description and Installation Manual READER INFORMATION Please check all that apply h Trainer h Technician h Librarian h Engineer h Other Please specify Your Name optional Company Name Street Address City State Province Street Address City State Province Zip Code Country Telephone No FAX No CUSTOMER SATISFACTIO...

Страница 6: ...IT NO 3532 PHOENIX AZ FOLD FOLD POSTAGE WILL BE PAID BY ADDRESSEE Honeywell Aerospace Electronic Systems CES Phoenix P O Box 21111 Phoenix Arizona 85036 1111 U S A ATTN Technical Publications Quality Administrator NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES ...

Страница 7: ...nt Page RR 1 RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded pages Write the revision number and date date put in manual and the incorporator s initials in the applicable columns on the Record of Revisions The initial H shows Honeywell is the incorporator Revision Number Revision Date Date Put In Manual By Revision Number Revision Date Date Put...

Страница 8: ...ON AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page RR 2 Blank Page ...

Страница 9: ...IONS Instructions 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 temporary revision put the applicable data in the record columns on this page Temporary Revision Number Temporary Revision Date Temporary Revision Status Date Put in Manual By Date Removed from Manual By The initial ...

Страница 10: ...N AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page RTR 2 Blank Page ...

Страница 11: ...d Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page SBL 1 SERVICE BULLETIN LIST Service Bulletin Identified Mod Date Included in this Manual Description ...

Страница 12: ...N AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page SBL 2 Blank Page ...

Страница 13: ...NTRO 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 1 SYSTEM DESCRIPTION AND OPERATION 1 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 Cont...

Страница 14: ...ptions 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 2 MECHANICAL 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 3 ELECTRICAL INSTALLATION 3 1 1 Overview 3 1 A General 3 1 B Equipment and Ma...

Страница 15: ...TALLATION CHECK 4 1 1 Overview 4 1 A General 4 1 SECTION 5 ADJUSTMENT TEST 5 1 1 Overview 5 1 A General 5 1 SECTION 6 FAULT ISOLATION 6 1 1 Overview 6 1 A General 6 1 SECTION 7 MAINTENANCE 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 Retur...

Страница 16: ...Figure Page Figure 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 Spli...

Страница 17: ...ble Page Table 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 Lead...

Страница 18: ...ON AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page TC 6 Blank Page ...

Страница 19: ...002 Honeywell All Rights Reserved 3 Honeywell is a U S registered trademark of Honeywell All other marks are owned by their respective companies B Export Notice 1 This document contains unrestricted technical data and is being exported under license exception TSU OTS in accordance with EAR Section 740 13 a 2 These commodities technology or software were exported from the United States in accordanc...

Страница 20: ...l gives general system description and installation information for the HS 700 High Speed Data 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 HS 700 High Speed Data System Common system maintenance procedures are not presented in this ...

Страница 21: ...d maintenance terminal CNS ATM communication navigation and surveillance air traffic management DCE data circuit terminating equipment DLNA diplexer low noise amplifier ESD electrostatic discharge ESDS electrostatic discharge sensitive HGA high gain antenna HIRF high intensity radiated electromagnetic frequencies HPA high power amplifier HSD high speed data HSU high speed data unit ICAO Internatio...

Страница 22: ...radio frequency unit SATCOM satellite communications SCPC single channel per circuit SDM System Definition Manual SDU satellite data unit SU signal unit TA terminal adapter TDM time division multiplex TE terminal equipment TDMA time division multiple access 3 Customer Assistance A Who to Contact 1 For assistance with installation operation or maintenance of the HS 700 High Speed Data System contac...

Страница 23: ...ve mode The SD 700 SDU controls the slave HSU through a high speed ARINC 429 bus and a disable discrete 3 The HSU is a terminal for data fax and voice communications through the Inmarsat global area network GAN It provides the services of this network to the user The user can access these services through the user interfaces of the terminal 4 The L band radio frequency RF transmit outputs of the H...

Страница 24: ...cal system that can operate in both the Inmarsat 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 service possible as given in Table 1 1 Table 1 1 Type of Service Aero Type Antenna Global Beam Spot Beam Voice 9 6 kbps Voice 4 8 kbps Secure Voice 4 8 kbps Fax max PC Data max Packet Mode Data max Aero H Hi...

Страница 25: ...hich is used for internet access and access to corporate local area networks LAN through the virtual private network VPN service 2 The first four services are circuit mode services and MPDS is a packet mode service 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...

Страница 26: ...mplements a standard 10BASE T Ethernet port except for the connector MPDS is accessed using the point to point protocol over Ethernet PPPoE Only one of the two MPDS interfaces 10BASE T or EIA TIA 232 E can be used at a time The port to be enabled is selected during the configuration of the HSU The MPDS interface configuration settings are stored in the configuration data module CDM The HS 700 is c...

Страница 27: ...m the command prompt 4 The SDU controls the HSU via the ARINC 429 Interface The HSU operates as a slave to the SDU in cooperative mode Three levels of communication are implemented on the ARINC 429 control interface as follows Solo words used for block transfers and solo words for example high priority and timing critical messages Periodic words which are words transmitted at a periodic rate SDU H...

Страница 28: ... Loss Transmit TX Cable Loss Automatic Test Equipment ATE Access Levels 2 All parameter values and settings except for the protected and non changeable values can be read out from the CMT interfaces This makes it possible to store all the information on a floppy disk 3 Each CDM is configured from the manufacturer with ISN numbers IDs and default values for all of the configuration parameters If a ...

Страница 29: ...SDU control interface or the reset button on the front panel of the HSU The PAST performs the same tests as the POST 4 CM a Some of the hardware in the HSU is under continuous supervision by the BITE software or by dedicated BITE monitoring hardware for burst duration monitoring If any errors are detected either by software or hardware they are reported to the SDU and appropriate actions are taken...

Страница 30: ...call setup is rejected b In the single carrier per channel SCPC and MPDS modes the HSU may operate in either nominal power mode 25 dBW or economy mode less than 25 dBW depending on a setting in the CDM When the power control protocol of the LES reduces or increases the EIRP of the HSU the HSU gives the SDU the new EIRP level The HSU also waits for the SDU to indicate what power is available and wh...

Страница 31: ...no longer available and all the HSU can do is terminate any ongoing transmission and inform any user that the service is no longer available When a preemption has taken place and the SDU is still logged on e g still steering the antenna the HSU asks for power to be reserved every 10 seconds c An SDU ORT item governs how the SDU will manage preemption of HSD calls when Aero H H calls new or ongoing...

Страница 32: ...Table 1 5 gives components that are necessary but are not supplied by Honeywell Table 1 4 Components Supplied by Honeywell Component Model No Honeywell Part No HSU HS 700 7519360 901 with CDM 7519360 902 without CDM RF Splitter Combiner 7519349 1 CDM HS 700 001 7519362 1 Table 1 5 Components Parts Not Supplied by Honeywell Component Part Comments HSU Mounting Tray ARINC 404A 1 4 short ATR mount co...

Страница 33: ...0 HSU 1 The HSU is designed to perform reliably under field conditions and provide ease of maintenance when required 2 The HSU is packaged as a 1 4 short ATR The mechanical chassis is constructed of aluminum alloy sheet metal The HSU does not require external cooling air The HSU is shown in Figure 1 2 3 Table 1 6 gives the leading particulars for the HSU and Table 1 7 gives the DO 160D categories ...

Страница 34: ...es connected Power hold up 5 ms fully operational 200 ms power save mode 1 Cooling requirements None Connector X1 front D sub 9 contact receptacle Mating connector X1 Standard D sub 9 contact plug Connector X2 rear Radiall Part No 616 697 202 Mating connector X2 Radiall Part No 616 697 201 20 AWG contacts Radiall Part No 616 310 16 AWG contacts Radiall Part No 616 330 Size 5 twinax contacts Radial...

Страница 35: ... EIA TIA 232 115 2 kbps asynchronous RFC 1549 high level data link control HDLC configuration data circuit terminating equipment DCE with hardware flow control MPDS 10BASE T Ethernet 10BASE T 10 Mbps ISDN UDI 64 kbps Data 56 kbps Audio 64 kbps 3 1 kHz Speech 64 kbps Fax data rate 14 400 bps V 17 3 1 kHz audio SDU control interface 100 kbps high speed ARINC 429 Configuration and maintenance Standar...

Страница 36: ...mit and receive signals are only used for signalling controlling the Aero M4 high speed data services 3 For example the Klixon 2TC series circuit breaker with a 4 A current rating or equivalent should be sufficient for most installations Table 1 7 DO 160D Environmental Categories Description Category Temperature and Altitude A1F1 In Flight Loss of Cooling X Temperature Variation C Humidity A Shock...

Страница 37: ...D continually flashes during POST and PAST to indicate that the self test is operating The LED is extinguished when all self tests have been completed RESET Button The HSU has a RESET button on the front panel for BITE purposes If the RESET button is pushed the HSU first asks the SDU for permission to perform the reset procedure The RESET button can be activated at any time During the RF loop back...

Страница 38: ...aximum 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 dc Power consumption 5 mA Power hold up Full power hold up provided by the HSU Memory capacity 32 kbyte Write sessions 100 000 minimum Ambient temperature Operational 20 C to 55 C Storage 55 C to 85 C Altitude Non p...

Страница 39: ...litter combiner combines the transmit outputs of the SDU and HSU to drive the HPA Each unit weighs 2 5 oz 70 87 grams Figure 1 4 shows the RF splitter combiner Figure 1 4 RF Splitter Combiner D HSU Mounting Tray 1 The HS 700 HSU ARINC 404A connector contacts and mounting trays can be purchased from ECS or EMTEQ The addresses for ECS and EMTEQ are as follows Electronic Cable Specialists 5300 W Fran...

Страница 40: ...ge 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 Contact EMTEQ for a list of HSU mounting trays available Table 1 10 HSU Mounting Trays ECS Part No Description Voltage 4130 1 4 ATR Tray Assembly Short Short with DPX2 Cutout 28 V dc ...

Страница 41: ...D specifications It is important that the HSU is installed in a location where its operational temperature specifications are met The HSU is approved for installation on jet engine aircraft but not turboprops or helicopters No special cooling is required but the airflow must not be blocked 2 The location of the mounting tray should allow the interface cabling to other units to be as short as possi...

Страница 42: ...ON AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 2 2 Blank Page ...

Страница 43: ...HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use 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 ...

Страница 44: ...HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use 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 ...

Страница 45: ...S 700 High Speed Data System 23 20 33 30 Aug 2002 Use 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 ...

Страница 46: ...AL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use 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 ...

Страница 47: ... MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 2 11 Figure 2 4 RF Splitter Combiner Outline Diagram ...

Страница 48: ...ON AND INSTALLATION MANUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 2 12 Blank Page ...

Страница 49: ... 32 2 V dc respectively 2 Power supply to the HSU The voltage level of the power supplied to the HSU is important in this installation The potential is the difference between the power pins and power ground pins at the line replaceable unit LRU Excessive voltage drops in the power wire s and power ground wire s cause one or more of the following conditions The LRU draws additional current from the...

Страница 50: ...omagnetic frequencies HIRF and lightning environments You must obey this section to satisfy these requirements NOTE HIRF and lightning requirements dictate that the shielded wires meet the requirements of paragraph 2 C 3 Installation of this system into aircraft manufactured prior to the FAA requirements adheres to these practices whenever feasible 2 Chassis Grounding a All rack mount remote mount...

Страница 51: ...ween the LRU mounting tray or LRU 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 is called multi point grounding and is specified to minimize the adverse effects of HIRF and lightning b The shield must not be connected to any LRU or bulkhead connector pin c Examples of multi point shiel...

Страница 52: ... Figure 3 5 shows the proper aircraft grounding method It is critical that the ground pigtails be individually connected to the tag ring s If the are daisy chained there will be EMC compliance issues Coaxial cables must have a continuous shield from the cable into the tray connector Do not put pigtails coaxial cables NOTE It is very important this grounding technique be adhered to Do not tie the v...

Страница 53: ...ds are low currents multiple signal grounds can be connected to remote aircraft terminal blocks other than the central grounding blocks as long as these remote terminal blocks are isolated from ground The various remote signal ground blocks must all be grounded only at the aircraft central grounding point If 10 signal grounds are connected to a remote terminal block a minimum of one grounding wire...

Страница 54: ...on the X2 connector CMT2 Both interfaces support EIA TIA 232 E standard and can also be used as a printer interface Only the CMT1 on the X1 connector can be used for software uploading The interfaces are configured as DCE on the HSU c The CMT1 interface pins 2 3 and 5 has a Baud rate of 9 600 bps or 115 2 kbps for software uploading There are eight data bits and one stop bit with no parity d The H...

Страница 55: ... rear panel X2 connector is an interface to aircraft and SATCOM interconnections The X2 connector is an ARINC 404 shell size 2 receptacle connector The layout of the HSU X2 connector is shown in Figure 3 8 Table 3 2 gives the pin assignments of the X2 connector b The HSU disable input is used by the SDU to reset and inhibit the transmitter output signal from the HSU The ARINC 429 interface is used...

Страница 56: ...A1 RF RX Input from DLNA Splitter TP A2 RF TX Output to HPA Combiner TP 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 Power TP2 GND Ground Power Return TP3 Chassis Ground TP4 Not Used TP5 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 Input TP9 ATE 1 Discre...

Страница 57: ...n 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 X3 connector is a 9 pole femal...

Страница 58: ...ut Data from the CDM 3 WP Write Protect Signal to the CDM Active Low 4 NC Not Connected 5 SI Serial Input Data to the CDM 6 SCK Serial Clock to the CDM 2 MHz maximum 7 ADR0 Address output to the CDM 5 V 10 mA maximum 8 ADR1 ID Input Output 3 V Levels Tri state Input 3 V or 5 V Levels and 10 Kohm pull down resistor 9 VCC Power Supply Voltage to the CDM 3 3 V 0 15 V 5 mA maximum Shield GND Sheild mu...

Страница 59: ...0 High Speed Data System 23 20 33 30 Aug 2002 Use 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 ...

Страница 60: ...NUAL HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 4 1 SECTION 4 INSTALLATION CHECK 1 Overview A General 1 TBD ...

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Страница 62: ... HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 5 1 SECTION 5 ADJUSTMENT TEST 1 Overview A General 1 To be supplied ...

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Страница 64: ... HS 700 High Speed Data System 23 20 33 30 Aug 2002 Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page 6 1 SECTION 6 FAULT ISOLATION 1 Overview A General 1 To be supplied ...

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Страница 66: ...l special equipment or materials other than those commonly used in the shop are required to install the units in existing trays and clamps and adjust the system Do not over tighten mounting screws Where torque values are not given it is acceptable to finger tighten the mounting screws 2 Procedure for the HS 700 HSU A Removal and Reinstallation Procedures 1 Remove the HSU a Remove power from the HS...

Страница 67: ... FIT IF MATING IS DIFFICULT REMOVE THE UNIT AND CHECK FOR CONNECTOR PINS THAT CAN BE BENT OR OUT OF ALIGNMENT ALSO VISUALLY CHECK THE ALIGNMENT OF THE RECEPTACLE ON THE MOUNTING TRAY e Gently slide the unit backwards until its connectors are fully engaged with the mating connectors of the mounting tray f Put the holddown clamps in place and tighten the knobs in a clockwise direction until the prop...

Страница 68: ...e 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 procedure...

Страница 69: ... power from the HSU Circuit breakers for the HSU are typically located on the flight deck b Locate the splitter c Disconnect the aircraft connectors from the splitter and place protective covers on 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...

Страница 70: ...craft Wiring Diagram Manuals 4 The high speed data system components are considered on condition units and no additional maintenance is required other than a check for security and operation at normal inspection intervals 5 If a system component is inoperative remove unit secure cables and wiring collar applicable switches and circuit breakers and placard them inoperative Revise equipment list and...

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Страница 72: ... Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document Page A 1 APPENDIX A INMARSAT REGISTRATION FORM 1 Overview A General 1 This appendix provides an example of the Inmarsat registration form required to activate the HSD system ...

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