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TMUEISV01-T01 LEVEL 3
EFFECTIVITY 31-68-00 Page 2
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 204
ALL
TMUEISV01-P01 LEVEL 3
EIS: DMC ARINC BUS RECONFIGURATION - FWC
EFFECTIVITY 31-68-00 Page 3
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 205
ALL
EIS: DMC ARINC BUS RECONFIGURATION
SDAC
Each DMC receives and processes the data from each of
the two System Data Acquisition Concentrators (SDACs).
The DMCs use SDAC1 data providing it is valid.
If the data is not valid or if SDAC1 is not valid, the
DMCs will use the data from SDAC2.
The switching is automatic.
TMUEISV01-T02 LEVEL 3
EFFECTIVITY 31-68-00 Page 4
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 206
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EIS: DMC ARINC BUS RECONFIGURATION - SDAC
TMUEISV01-P02 LEVEL 3
EFFECTIVITY 31-68-00 Page 5
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 207
ALL
EIS: DMC ARINC BUS RECONFIGURATION
DMCs OUTPUT BUSES
Each DMC transmits data on two ARINC 429 buses:
- one highspeed switched bus,
- one lowspeed unswitched bus.
When a pilot sets the EIS DMC Selector Switch to CAPT/3
(or F/O/3), DMC1 (or DMC2) sends, through its output
bus, the data received from DMC3. The switching is
done inside DMC1 (or DMC2).
TMUEISV01-T03 LEVEL 3
EFFECTIVITY 31-68-00 Page 6
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 208
ALL
EIS: DMC ARINC BUS RECONFIGURATION - DMCs OUTPUT BUSES
TMUEISV01-P03 LEVEL 3
EFFECTIVITY 31-68-00 Page 7
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 209
ALL
EIS: DMC ARINC BUS RECONFIGURATION
WEATHER RADAR
Each DMC receives the Weather Radar Transceivers data
via two ARINC 453 data buses (D1 and D2).
The DMCs convert the ARINC 453 bus into four digital
buses (one CLOCK and three COLORS-B0-B1-B2) which are
connected to each EFIS DUs.
As only one Weather Radar Transceiver is in operation
at a time, the DMCs process information from the one
in operation.
The W/R ENABLE discrete disables the W/R operation if
both pilots select the PLAN mode.
DMC1 normally works with Data 1 buses which correspond
to the CAPT range selection; DMC1 switches to DATA 2
buses with F/O Range Selection in case of FMGC1
failure. It is the same operation for DMC2.
TMUEISV01-T04 LEVEL 3
EFFECTIVITY 31-68-00 Page 8
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 210
ALL
EIS: DMC ARINC BUS RECONFIGURATION - WEATHER RADAR
TMUEISV01-P04 LEVEL 3
EFFECTIVITY 31-68-00 Page 9
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 211
ALL
SELF EXAMINATION
Which DMC Output Bus is directly wired to the CFDIU?
A - An ARINC 429 highspeed switched bus.
B - An ARINC 429 lowspeed unswitched bus.
C - An RS 422 bus.
How many Weather Radar ARINC 453 input does a DMC
have?
A - 4 inputs.
B - 2 inputs.
C - It depends on the selected Weather Radar
Transceiver.
What happens if FWC1 fails?
A - FWC2 has to be manually selected.
B - DMCs lose half of the warnings.
C - FWC2 automatically takes over.
TMUEISV01 LEVEL 3
EFFECTIVITY 31-68-00 Page 10
Oct 31/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 31 INDICATING/RECORDING SYSTEMS
UF94200
EFFECTIVITY Page 212
ALL
31 - INDICATING/RECORDING SYSTEMS
31-50-00 EIS: EIS WARNINGS
CONTENTS:
FWC 1(2) FAULT
FWC 1+2 FAULT
SDAC 1(2) FAULT
SDAC 1+2 FAULT
DMC 1(2) FAULT
DMC 1+3 FAULT
Operating Limitations
TMUEIS501 LEVEL 3
EFFECTIVITY 31-50-00 Page 1
Jun 30/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
　
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