R **ON A/C 051-099,
R A. CFDIU Interface
R (1) BITE description
R The BITE facilitates maintenance on in-service aircraft. It detects
R and identifies a failure related to the ATC system.
R The BITE of the ATC transponder is connected to the CFDIU.
R The unit tested is the ATC transponder.
R The BITE:
R - transmits permanently ATC system status and its identification
R message to the CFDIU
R - memorizes the faults which occurred during the last 63 flight legs
R - monitors data inputs from the various peripherals (FMGC, ADIRU, ATC
R CTL UNIT and CFDIU)
R - transmits to the CFDIU the result of the tests performed and
R self-tests
R - can communicate with the CFDIU through the menus.
R The BITE can operate in two modes:
R - the normal mode
R - the interactive mode.
R (a) Normal mode
R During the normal mode the BITE monitors cyclically the status of
R the ATC system. It transmits its information to the CFDIU during
R the flight concerned.
R In case of fault detection, the BITE stores the information in
R the fault memories.
R These items of information are transmitted to the CFDIU every 100
R ms by an ARINC 429 message with label 350.
R (b) Interactive mode:
R The interactive mode can only be activated on the ground.
R This mode enables communication between the CFDIU and the ATC
R transponder BITE by means of the MCDU.
R (Ref. Fig. 012A, 013, 014, 015, 016, 017)
R All the information displayed on the MCDU during the BITE TEST
R configuration can be printed by the printer.
R The ATC interactive mode is composed of:
R - LAST LEG REPORT
R The purpose of this item is to present the fault messages
R (class 1 and 2, internal and external) that appeared during the
R last flight.
R - PREVIOUS LEGS REPORT
R 1EFF : 051-099, 1 34-52-00Page 75 1 1 May 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 1/6) R Figure 012A
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ATC Maintenance Test Procedure - ATC Menu (sheet 1/9)
Figure 012B
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 34-52-00Page 77 1 1 Aug 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 1/5) R Figure 012C
R 1EFF : 201-210, 1 34-52-00Page 78 1 1 May 01/05 1 1 1CES 1R ATC Maintenance Test Procedure - ATC Menu (sheet 2/6) R Figure 013
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ATC Maintenance Test Procedure - ATC Menu (sheet 2/9)
Figure 013A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 34-52-00Page 80 1 1 Aug 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 2/5) R Figure 013B
1EFF : 201-220, 1 34-52-00Page 81 1 1 May 01/05 1 1 1CES 1R ATC Maintenance Test Procedure - ATC Menu (sheet 3/6) R Figure 014
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ATC Maintenance Test Procedure - ATC Menu (sheet 3/9)
Figure 014A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 34-52-00Page 83 1 1 Aug 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 3/5) R Figure 014B
1EFF : 201-220, 1 34-52-00Page 84 1 1 May 01/05 1 1 1CES 1R ATC Maintenance Test Procedure - ATC Menu (sheet 4/6) R Figure 015
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ATC Maintenance Test Procedure - ATC Menu (sheet 4/9)
Figure 015A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 34-52-00Page 86 1 1 Aug 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 4/5) R Figure 015B
1EFF : 201-220, 1 34-52-00Page 87 1 1 May 01/05 1 1 1CES 1R ATC Maintenance Test Procedure - ATC Menu (sheet 5/6) R Figure 016
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ATC Maintenance Test Procedure - ATC Menu (sheet 5/9)
Figure 016A
R 1EFF : 106-149, 221-299, 301-399, 401-499, 1 34-52-00Page 89 1 1 Aug 01/05 1 1 1CES 1
ATC Maintenance Test Procedure - ATC Menu (sheet 5/5) R Figure 016B
1EFF : 201-220, 1 34-52-00Page 90 1 1 May 01/05 1 1 1CES 1R ATC Maintenance Test Procedure - ATC Menu (sheet 6/6) R Figure 017
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