User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
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Page 3−37
15 Dec 2005
Table 3−5. 55−Pin VSI/TRA Interconnect Data (cont)
I/O NotesConnects To
Connector
Pin
Description
(I) VS No.1 ARINC 429 (B) J1−48 (22) STS
GND
ll
GND
Digital ADC No.1 or
PTM No.1
2
(O) VSI Valid Output Discrete J1−49 (22) Cross−Side VSI/TRA
(O) PTM Pwr Out (−15 V dc) J1−50 (20) S T S
||
Pressure Xdcr Mdl 3
(O) PTM Common J1−51 (20) S T S
||
Pressure Xdcr Mdl 3
(O) PTM Pwr Out (+15 V dc) J1−52 (20) S T S
GND
ll
GND
Pressure Xdcr Mdl 3
Spare J1−53
Spare J1−54
Spare J1−55
NOTES:
1. Two wire shielded cable. Tie shields to aircraft dc ground.
2. Tie chassis ground to aircraft frame.
3. Three wire shielded cable. Tie shields to aircraft dc ground.