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1 Dec 2003
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MAINTENANCE MANUAL
CAS-100 COLLISION AVOIDANCE SYSTEM
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Table 15. TPA-100A TCAS Processor Inputs and Outputs
(cont)
Source Or
Destination
Processor I/O Signal
Name and Type
General
Description
RA AND TA DISPLAY RELATED I/O (cont)
TA/VSI No. 1 or RA/VSI
No. 1, PPI, or dedicated
display. (cont)
Display Status No. 3 Discrete
(Optional for maintenance
reporting.)
Failure status output of PPI or
dedicated display connected to TA/RA
Display No. 1 high-speed ARINC 429
bus.
TA/VSI No. 2 or RA/VSI
No. 2, PPI or dedicated
display
Display No. 2, high-speed ARINC
429, RA and TA data words
Resolution advisory, traffic display,
operating mode, and failure status
data from TCAS processor to TA/VSI
No. 2, or RA/VSI No. 2, a PPI, or a
dedicated display.
Display Status No. 2 Discrete
TA/VSI No. 2 or RA/VSI No. 2 failure
status output to TCAS processor.
Display Status No. 4 Discrete
(Optional for maintenance
reporting.)
Failure status output of PPI or
dedicated display connected to TA/RA
Display No. 2 high-speed ARINC 429
bus.
RA/VSI No. 1 (RA/VSI that
accepts low-speed data
429 input data)
Display No. 1, low-speed ARINC
429 RA data words
Resolution advisory, operating mode,
and failure status from TCAS
processor to low-speed 429 RA/VSI
No. 1 or optional flight recorder.
Display Status No. 1 Discrete
RA/VSI No. 1 failure status output to
TCAS processor.
RA/VSI No. 2 (RA/VSI that
accepts low-speed 429
input data)
Display No. 2 low-speed ARINC
429 RA data words
Resolution advisory operating mode,
and failure status data from TCAS
processor to low-speed 429 RA/VSI
No. 2.