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HONEYWELL

Aerospace Electronic Systems

Page 41

Use or disclosure of information on this page is subject to the restrictions on the title page of this document.

Figure 24 Divert Message Elements

Figure 25 Divert Properties

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Summary of Contents for Mark III

Page 1: ...e Electronic Systems Page 1 Use or disclosure of information on this page is subject to the restrictions on the title page of this document Technical Overview For Mark III Communications Management Unit CMU 23 July 2002 ...

Page 2: ...HONEYWELL Aerospace Electronic Systems Page 2 Use or disclosure of information on this page is subject to the restrictions on the title page of this document ...

Page 3: ...nable implementation of new technology that will provide additional benefits to our airline customers This expansion would be introduced using the current spare card slots designed into the unit The primary upgrade being planned is the introduction of an integrated Gatelink capability into the unit which would allow airlines to grow the CMU to support very high speed short range communication whil...

Page 4: ...g functions such as cutting and pasting components between the various GBST screens The GBST is based on the B 777 GBST providing the same type of user interface as for the B 777 but providing increased functionality available in the Mark III CMU 1 2 Datalink Capability for Today and Tomorrow Today datalink users have found that datalink is an indispensable tool for helping manage operations maint...

Page 5: ...he equivalent of an ACARS MU for the Boeing 777 This was the first dual and integrated ACARS system and the first essential ACARS system Airbus uses a communications unit named the Air Traffic Services Unit ATSU which is designed and manufactured by Aerospatiale The ATSU is a Supplier Furnished Equipment SFE system but the AOC applications software is provided as Buyer Furnished Equipment BFE Hone...

Page 6: ...s as Providing world wide Weather messages to the aircraft as well as being an FAA approved distributor of messages such as Pre Departure Clearances and ATIS The Honeywell Aircraft Maintenance and Operational Support System AMOSS provides ground ACARS message processing and integration with flight planning systems Finally Honeywell provides world class product support worldwide ...

Page 7: ...contains 4 Circuit Card Assemblies CCAs 1 Processor 2 I O 3 Power Supply and 4 Interconnect There is expansion capacity for two spare CCAs The main processor is a 266 MHz Pentium while the I O is handled by two MPC 860 microprocessors These two I O processors are able to concurrently process all I O effectively eliminating throughput bottlenecks Additionally there are two dedicated digital signal ...

Page 8: ... 2 750 Audio High speed ARINC 429 High speed ARINC 429 1 3 3 Baseline Baseline Option Satellite Data Unit SDU 741 761 High speed ARINC 429 High speed ARINC 429 2 2 note 1 Baseline Growth HF Data Radio HFDR 753 Low speed ARINC 429 2 Baseline UHF Audio 1 Growth Mode S Transponder 718A High speed ARINC 429 2 note 7 Baseline Gatelink 751 undefined High speed ARINC 429 Ethernet 10BaseT 1 note 2 Growth ...

Page 9: ...twork interfaces see Figure 2 Figure 2 CMU Subnetworks ARINC 716 VHF Radio The Mark III CMU supports an interface with one ARINC 716 VHF radio The interface supports VDL Mode 0 via an audio line to the Minimum Shift Keying MSK modem resident in the Mark III There is also a low speed ARINC 429 transmit interface between the CMU and the ARINC 716 radio that is used to send frequency tuning informati...

Page 10: ...rs in place to support such future need if ever required It should be noted that the Mark III CMU baseline does include the interface to the Mode S in order to obtain the ICAO 24 character address which is then used for verification of data in the APM Gatelink The current ARINC 758 specification identifies an ARINC 429 interface for gatelink interfaces This is supported by the Mark III CMU hardwar...

Page 11: ...k III CMU can interface with a single ARINC 740 or 744 compliant printer via low speed ARINC 429 This includes Honeywell s ARINC 740 printer as well as all other manufacturer s who support the ARINC 740 744 specification ARINC 744A defines an Ethernet printer interface The Mark III CMU has available Ethernet ports but requires a software upgrade to support an ARINC 744A printer Currently there are...

Page 12: ...mance computer with a software upgrade Figure 5 CMU PZ Pass Through Interface Maintenance Computer The maintenance computer name varies depending upon the Original Equipment Manufacturer OEM but is usually referred to as the Central Maintenance Computer CMC Centralized Fault Display System CFDS or Central Fault Display Interface Unit CFDIU The Mark III CMU can be configured to interface with one m...

Page 13: ...s this information available to the CMU The Mark III CMU supports a single interface to an ARINC 607 compliant APM Dual CMU The Mark III CMU is capable of operating in either a standalone or dual configuration The Mark III CMU hardware includes interfaces to support dual CMU operation The interface between the onside and offside CMUs is via a high speed ARINC 429 cross talk bus along with discrete...

Page 14: ...MU supports an interface to both an ARINC 615 compliant Airborne Data Loader ADL and an ARINC 615 compliant Portable Data Loader PDL via high speed ARINC 429 The ADL interface is accessible through the rear connector while the PDL is accessible from the front connector High speed data loading via PCMCIA and Ethernet are software growth options PCMCIA The Mark III CMU hardware is equipped with a PC...

Page 15: ...cations baseline across platforms ensuring consistent implementations This is beneficial to an airline that may have a mixed fleet containing both federated and integrated architecture aircraft A prime example is the Embraer regional jet family The Honeywell standalone Mark III CMU has been selected by many airlines for their ERJ 135 and ERJ 145 aircraft The next generation ERJ 170 and ERJ 190 con...

Page 16: ...ions and trigger logic can all be specified in the AMI Changes to the AMI only require a dataload operation but no certification activity This is a significant change from pervious systems such as our Mark II CMU and competitors CMUs which still maintain much of this processing within an AOC software segment With the Mark III CMU all such functionality is contained within the AMI providing airline...

Page 17: ...ons on the title page of this document 2 4 Certification Honeywell received the 1st FAA certification in December 2001 This initial certification was for Embraer aircraft The Mark III CMU has since also been type certified by Boeing Contact Honeywell for up to date information on other certifications completed or in work ...

Page 18: ...he capabilities described in both the Baseline Functionality and Growth Functionality sections are configurable via the AMI or the HGI The Mark III CMU supports an ARINC 739 MCDU an ARINC 739 MIDU and a CDU for displaying ACARS information For the purpose of simplifying the text of this section datalink display will be used generically to mean MCDU MIDU or CDU 3 1 Baseline Functionality The baseli...

Page 19: ...e ACARS label and optional sublabel in the message as defined in the routing table Although there is a default routing table the user can modify the table via the AMI The flight crew will be notified of uplink display messages destined for the Mark III CMU by a visual and potentially an aural alert depending upon the alert level specified in the uplink message decoding definition An aural alert is...

Page 20: ...an include any aircraft parameters defined in the FIDB and specified in the AMI Once all required data is entered on the downlink screen the SEND prompt becomes active After selecting the SEND prompt the message status transitions to SENDING The flight crew will be notified of successful receipt by the ground when the message status transitions to SENT A downlink message is placed in a user define...

Page 21: ...Terminal DMT provides the capability to access maintenance data provide debug capability and test the MARK III CMU The DMT is used primarily to program the APM debug detect and isolate software and or hardware failures In addition the DMT is used in software and hardware integration LRU and system integration formal system testing and general performance analysis Access to the DMT function is via ...

Page 22: ... DMT but Honeywell is not recommending the DMT as a product the airline operator needs Data Loading The baseline Mark III CMU supports ARINC 615 data loading via the front connector for portable dataloading through the rear connector for ADL processing or via PCMCIA memory cards through the front of the unit ARINC 615A Ethernet data loading is planned future enhancements 3 2 Growth Functionality V...

Page 23: ... speed data communication ARINC 761 SATCOM As the second generation satellite communications specification ARINC 761 becomes fully defined The Mark III CMU hardware is designed to support such future SATCOM systems with software only changes Mil STD 1553 The Mark III CMU has an interface to a MIL STD 1553 bus Software access to this interface is a potential upgrade to support interfaces on various...

Page 24: ...Communications CPDLC Automatic Dependent Surveillance ADS Context Management CM and Flight Information Services FIS ACI developed both the RRI and the ASEs to be portable and therefore readily hostable in a number of different target environments both in avionics and ground systems An integrator would only have to port the RRI ASEs to the target environment and then add the display portion of the ...

Page 25: ... to the restrictions on the title page of this document the addition of encryption algorithms in the future As part of this work Honeywell is currently under contract with the U S government to define long term concepts for encryption and authentication associated with use in ATN and non ATN environments ...

Page 26: ...e defines the airlines AOC functions This is the database that either Honeywell or the Airline can create and update at any time using a PC based tool GBST The second database is the HGI database The HGI is a database similar to the AMI but contains information that is considered by certification authorities as requiring certification control As an example ATC messages and the corresponding MCDU s...

Page 27: ...nner a single HGI and AMI can be used across a fleet of aircraft independent of aircraft type A FIDB entry fully defines a single aircraft parameter including physical CMU port bus data source data format resolution units scale offset and data type 4 2 GBST The Ground Based Software Tool is the single windows based PC tool that is used to generate AMIs by the customer and HGIs by Honeywell The FID...

Page 28: ...ys defining user parameters specifying message review categories defining areas and regions of the world to be used for specifying preferred frequencies and subnetworks specifying the set of downlink buffers and generating user defined algorithms that trigger events when certain conditions are met such as OOOI algorithms engine exceedance algorithms etc The GBST provides a wide range of capabiliti...

Page 29: ...at navigate through the various AOC datalink pages Using the GBST Display Editor the user types in the text for the menu items selects the prompt symbol and uses the mouse to move the text next to the line select key to be used to select the menu item Figure 12 is an example of a main menu screen defined using the GBST Display Editor With the GBST each of the AOC screens can be designed customized...

Page 30: ...itle page of this document Screens including menus can consist of multiple up to 9 pages Note the 1 2 in the upper right corner of the Main Menu display indicating page 1 of 2 Pages are accessed by using the Next and Previous page buttons on the display unit Figure 13 shows page 2 of the example Main Menu Figure 13 Main Menu Page 2 ...

Page 31: ...page of this document The GBST supports the screen layouts for both the standard ARINC 739 14 line MCDU MIDU as well as supporting Honeywell s 9 line CDU used on various aircraft types such as the Embraer 135 145 and others Figure 14 shows an example Main Menu on a 9 line CDU Figure 14 CDU Main Menu Supporting Regional Business Jet CDUs ...

Page 32: ...However the HGI is only modifiable by Honeywell as it contains controlled data that requires re certification upon change There is a baseline HGI for both the 14 line MCDU MIDU and the 9 line CDU Therefore the set of ATS menus and screens will be pre defined and the user will only need to ensure that there is an ATS prompt on one of the menus typically the Main Menu that invokes the ATS menu Figur...

Page 33: ...dditional menus screens within the Mark III CMU referred to as System screens The System pages provide the capability to perform various communications management and maintenance functions These pages are part of the Mark III embedded operational software not part of the reconfigurable AOC screens When defining the AMI the user would also tie in the System pages from one of the menu prompts Figure...

Page 34: ... For uplink messages the user can define both the screen layout and the uplink message format Figure 17 depicts an example screen layout for a Clearance Uplink As part of the display definition the user specifies the properties of the message display including which review categories this message type should be placed into after initial viewing Figure 17 Clearance Uplink ...

Page 35: ...fy the elements within the message see Figure 18 the properties of the message including whether to generate a scratchpad alert and the message references see Figure 19 The message references specify what level crew alert should be associated with the message whether the message should be printed upon receipt whether to automatically send a message upon receipt of this message type and whether a c...

Page 36: ...ompts shown in Figure 17 Selection of these prompts by the flight crew will send a message to the ground indicating acceptance or rejection of the Clearance message The action prompts at the bottom of the screen are shown in yellow indicating that they are part of a common footer This common footer allows the user to define a common set of objects to be placed at the bottom of each screen in a mul...

Page 37: ...f information on this page is subject to the restrictions on the title page of this document The user can also specify a REJECT REASONS action prompt which allows the flight crew to specify the reason for rejecting the Clearance see Figure 20 Figure 20 Reject Reasons ...

Page 38: ... displayed on screens As an example the Clearance Uplink display also contained a parameter being the value of the Clearance uplink text block The Response Reasons screen illustrates several other objects mandatory entry box optional entry box and scrolling prompt The mandatory entry box is indicated by boxes while the optional entry box is indicated with dashes Alternatively brackets can be used ...

Page 39: ... of the AOC downlinks is created using the GBST The definition of downlink message screens and associated message formats encodings is the same as for uplinks Figure 22 is an example of a Diversion Report Downlink screen format Figure 22 Diversion Report Downlink Within the properties of the downlink message display the user can specify the review category the message will be placed into ...

Page 40: ...bject types that can be used on a display are toggle prompts and exclusive selector prompts ESPs Toggle prompts are a simple way of selecting from among one or more choices ON OFF The Exclusive Selector Prompts are used to pick one and only one of two or more mutually exclusive choices This is similar to the scroll prompt but requires more display space each choice must be placed on the display In...

Page 41: ... Aerospace Electronic Systems Page 41 Use or disclosure of information on this page is subject to the restrictions on the title page of this document Figure 24 Divert Message Elements Figure 25 Divert Properties ...

Page 42: ...pes and the conditional display options the GBST provides an extremely powerful capability called logic units Logic units allow a user to generate algorithms that can trigger events based upon certain conditions This provides significant flexibility to a user as user requirements for datalink change and more complex functions are required The use of logic units provides a wide range of capabilitie...

Page 43: ...of performing frequency management by trial and error based on a table of possible frequencies This automated approach provides for more flexibility for a user in terms of selecting service providers while also significantly improves frequency selection avoiding problems of long frequency searches of as much as 25 minutes ensuring continuos linkage to the air ground network Preferred channel manag...

Page 44: ...used with a frequency of 131 725 If that frequency is not available then 131 550 would be used If VHF is not available then HF would be used This is a general algorithm based upon location within the world and is independent of message type However there may be cases where a user does not want certain messages to use certain subnetworks For instance the user may not wish to utilize HF for Divert R...

Page 45: ...HONEYWELL Aerospace Electronic Systems Page 45 Use or disclosure of information on this page is subject to the restrictions on the title page of this document Figure 29 US Map ...

Page 46: ...onfiguration control application built into the GBST which allows airlines to manage the changes to the AMI database using the GBST This includes both password controls as well as version control at the functional element level The GBST is an enhanced version of the GBST used for the B 777 system As such although there are more capabilities and features included it provides the same basic interfac...

Page 47: ...modular so that any CCA may be replaced with minimal effort The MARK III consists of four CCAs with growth for two additional CCAs These CCAs are described in the following sections Figure 31 illustrates the top view of the Mark III CMU GROWTH CCA 1 PROCESSOR CCA INPUT OUTPUT CCA GROWTH CCA 2 POWER SUPPLY ARINC 600 INTERCONNECT CCA Figure 31 MARK III Top View 5 1 1 Interconnect CCA The A1 Intercon...

Page 48: ...s of the A4 CCA are Off line conversion from either 115 Vrms 400 Hertz aircraft power or 28 Vdc aircraft power Meets conducted emissions requirements of DO 160D Capable of working though a 200 milli second power interrupt Outputs 3 3 Vdc 5 Vdc 5 Vdc 15 Vdc 15 Vdc Total maximum power capacity 100 watts consumption 40 watts in Mark III configuration BITE Circuitry PCI BUS based Connector 5 1 4 Input...

Page 49: ...are CCAs are PCI BUS based Connector BITE Circuitry 5 2 Detailed Interface Definition Figure 32 and Figure 33 show the default external system interfaces supported by the MARK III CMU The default external system interfaces including the bus speeds are modifiable using the APM The rear connector is a standard unit connector as defined in ARINC 758 The function and type of circuitry connected to the...

Page 50: ...GPS and 2 FMC 702A in 1A in 1B in 1C in 1D Low Speed Bus 1 Out in 3A in 3B in 3C in 3D Low Speed Bus 3 Out in 5A in 5B in 5C in 5D High Speed Bus 5 Out in 7A in 7B in 7C in 7D High Speed Bus 7 Out in 9A in 9B in 9C High Speed Bus 9 Out High High Speed in 2A in 2B in 2C in 2D Low Speed Bus 2 Out in 4A in 4B in 4C in 4D Low Speed Bus 4 Out in 6A in 6B in 6C in 6D High Speed Bus 6 Out in 8A in 8B in ...

Page 51: ...s Brakes e tc Crew Alerts VHF Operating in 716 Mode APM Interface SDI PGM VHF PGM Data Loader Disc OOOI Sensors Alert Contacts 1 2 VOICE DATA MON VOICE DATA SEL Data Key Port Select VOICE DATA Mode MSK Audio PCMCIA 28Vdc Power Ethernet 1 Ethernet 2 Ethernet 3 Ethernet 4 Tip Ring RS 422 1553B 1 CMU Reserved Discretes User Defined I O RS 422 RS 422 UHF Radio VHF Control CD 810 815 Performance Comput...

Page 52: ...MARK III rear panel The portable data loader connector that is contained on the unit s front panel is a 53 pin circular connector that as specified in ARINC 615 for standard interconnect The PDL front panel connector that mates with the LRU is connector type MS27473T 18A 53P The mounting tray which is used for installing the unit in an aircraft may be any commercially available mount which is desi...

Page 53: ...70C Short time high operating temp 70C Loss of cooling 40C Ground Survival 55C to 85C Altitude 55 000 feet Decompression N A Overpressure N A In Flight Loss of Cooling DO 160D Section 4 5 4 Category W 90 minutes minimum The MARK III shall be able to operate with no forced cooling air at an ambient of 40 Celsius for a period of 90 minutes Temperature Variation DO 160D Section 5 0 Category B Non con...

Page 54: ...ring AC Power Category B DC Power Electrical systems supplied by generators alternators with a battery Category Z DC Power Electrical systems without a battery of significant capacity Voltage Spike DO 160D Section 17 0 Category A High degree of protection against voltage spikes For both 115 Vac and 28 Vdc Versions Audio Frequency Susceptibility DO 160D Section 18 0 Category E AC Power Equipment re...

Page 55: ...DO 160D Marking DO 160D Appendix A A2 F2 W BBB UF SCLMY EXXXXXZ EBZ A EZ Z RRR M A2E3 XXA 5 5 Power Requirements The MARK III is able to accept either 115 Vac 400 Hertz and or 28 Vdc input power The unit is designed so that if both sources are inadvertently connected the MARK III or aircraft will not be damaged The following subsections specify the unit s power requirements and operating condition...

Page 56: ...Maximum 100 Watts 5 5 3 28 Vdc Backup Input Power Requirements The MARK III does not require use of standby 28 Vdc Battery Backup Input Power 5 5 4 Power Interrupt Requirements The MARK III shall be capable of continuous operation through any power off transient under 200 milliseconds Non volatile data shall be unaffected by Input Power Loss and does not depend upon a standby 28 Vdc Battery Bus if...

Page 57: ...of the Aeronautical Telecommunication Network ATN 3 ATC unique applications and the addition of new communication protocols will require more and more processor and memory capabilities within the CMU Much of this new technology is just now being defined within the industry and will continue to be evolving over the next ten years It is because of this evolution that we have developed this high end ...

Page 58: ...user reconfigurable database This provides an additional degree of flexibility to airlines allowing you to add or modify logical elements within the CMU In contrast other systems require such logical processing changes to be performed by the CMU manufacturer within their AOC software Thus such processing as determining flight phases such as OUT OFF ON and IN events various exceedance conditions an...

Page 59: ... may operate including providing ATSU AOC software for the new Airbus aircraft the datalink functions within the AIMS B 777 aircraft to CMUs for aircraft ranging form Embraer 135 145s to wide body aircraft such as 747s In addition Honeywell s Mark III CMU software is also being used as the software for our latest integrated avionics platforms such as the EPIC and VIA platforms This includes provid...

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