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The ATSU sends 2 discrete signals to VDR3 to control:
- VDR3 switching between voice and data mode,
- port select for VDR3 frequency selection.
SDU1
The ATSU sends and receives data from Satellite Data
Unit 1 (SDU1) through ARINC 429 links for :
- data block exchanges and
- status transmission.
RMPs
The ATSU sends 1 discrete signal to the 3 RMPs to
indicate which entity is controlling the VDR3.
The ATSU receives only 1 discrete signal from the 3
RMPs used to request the mode switching to the ATSU.
TMUATIN01-T02 LEVEL 3
EFFECTIVITY 46-21-00 Page 4
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 56
ALL
TMUATIN01-P02 LEVEL 3
ATIMS INTERFACES - COMMUNICATION SYSTEMS / ATIMS INTERFACE
EFFECTIVITY 46-21-00 Page 5
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 57
ALL
ATIMS INTERFACES
INDICATING SYSTEMS / ATIMS INTERFACE
The ATSU is interfaced with the FWCs, the SDACs, the
DMCs and the Clock for Indicating System.
FWCs
The ATSU sends warning information to both FWCs on
ARINC 429 buses and receives data, needed for AOC
application, from both FWCs also on ARINC 429 buses.
SDACs
The ATSU receives data, needed for AOC application,
from the 2 SDACs on ARINC 429 buses.
DMCs
The ATSU receives data, needed for AOC application,
from DMCs through ARINC 429 buses.
CLOCK
The ATSU acquires UTC time and date from the clock on
an ARINC 429 bus.
TMUATIN01-T03 LEVEL 3
EFFECTIVITY 46-21-00 Page 6
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 58
ALL
TMUATIN01-P03 LEVEL 3
ATIMS INTERFACES - INDICATING SYSTEMS / ATIMS INTERFACE
EFFECTIVITY 46-21-00 Page 7
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 59
ALL
ATIMS INTERFACES
RECORDING SYSTEMS / ATIMS INTERFACE
The ATSU is interfaced with the DMU, the CFDIU, the
Printer and the Data Loader for Recording System.
DMU
The ATSU sends up-link requests to the DMU on an ARINC
429 bus and receives down-link reports from the DMU
on an ARINC 429 bus.
CFDIU
The ATSU transmits the following data to the CFDIU on
an ARINC 429 bus :
- information concerning ATIMS internal or
detected external failures
- up-link requests.
The ATSU acquires down-link reports and data needed
for AOC application from the CFDIU on an ARINC 429
bus.
PRINTER
The ATSU sends printable data to the printer on an
ARINC 429 bus and receives status information from the
printer on another ARINC 429 bus.
DATA LOADER
The ATSU sends and receives loading data with the data
loader through 2 ARINC 429 buses. The ATSU receives
status information from the printer on a discrete line.
TMUATIN01-T04 LEVEL 3
EFFECTIVITY 46-21-00 Page 8
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 60
ALL
ATIMS INTERFACES - RECORDING SYSTEMS / ATIMS INTERFACE
TMUATIN01-P04 LEVEL 3
EFFECTIVITY 46-21-00 Page 9
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 61
ALL
ATIMS INTERFACES
CABIN TERMINAL / ATIMS INTERFACE
The ATSU sends up-link requests to the Data Interface
Unit (DIU) on an ARINC 429 bus and receives down-link
reports from the DIU on an ARINC 429 bus.
TMUATIN01-T05 LEVEL 3
EFFECTIVITY 46-21-00 Page 10
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 62
ALL
ATIMS INTERFACES - CABIN TERMINAL / ATIMS INTERFACE
TMUATIN01-P05 LEVEL 3
EFFECTIVITY 46-21-00 Page 11
May 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 46 INFORMATION SYSTEM
UF94200
EFFECTIVITY Page 63
ALL
ATIMS INTERFACES
MISCELLANEOUS SYSTEMS / ATIMS INTERFACE
The ATSU receives, from the LGCIU, information on a
discrete input to determine if the aircraft is on
ground or in flight.
TMUATIN01-T06 LEVEL 3
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