User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
TCAS 3000 Traffic Alert and Collision Avoidance System
34−43−23
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Page 4−41
15 Dec 2005
Table 4−6. 55−Pin VSI/TRA Interface Descriptions (cont)
Connector Pin
Designation
Functional Description
J1−50 PRESSURE TRANSDUCER MODULE −15 V dc POWER OUTPUT:
An optional ACSS PTM may be used in an installation to supply vertical speed
information to the VSI/TRA. Pins 50, 51, and 52 supply input power to the PTM. Pin
J1−50 is the −15 V dc output pin and is connected to PTM pin 11.
J1−51 PRESSURE TRANSDUCER MODULE POWER OUTPUT (COMMON):
Connects to PTM pin 8. See pin 50.
J1−52 PRESSURE TRANSDUCER MODULE +15 V dc POWER OUTPUT:
Connects to PTM pin 5. See pin 50.