Table 1 Tcas System Components (Honeywell Supplied) - Honeywell CAS-100 Maintenance Manual

Table 1 lists the equipment type, the Honeywell part numbers, and provides a brief description
of the TPA-100A TCAS processor, directional antenna array, omnidirectional antenna, TA/VSI
indicator unit, RA/VSI indicator unit, dedicated TCAS traffic display, Mode S transponder, and
Mode S transponder/TCAS control units. Table 2 lists accessories for the TPA-100A
processor.
NOTE: Many of the units required by the CAS-100 Collision Avoidance System are part of the
CAS-81 Collision Avoidance System or TRA-67 Mode S Transponder System.
Currently, the only CAS-100 Collision Avoidance System units are the 4MCU and
6MCU TPA-100A TCAS Processor (The 6MCU TPA-100A TCAS Processor Unit is a
direct replacement for the TPA-81A TCAS Processor Unit and the CTA-100A
TCAS/Mode S Control Panel is a direct replacement for the CTA-81A Control Panel).
The TPA-100A TCAS processor is examined in detail in this manual. Other TCAS
equipment is examined to a level necessary for understanding total CAS-100
operation. The Mode S transponder and its control units, directional antenna, TA/VSI,
RA/VSI, and dedicated TCAS traffic display are examined in detail in separate
manuals recorded in Table Intro-1.
Table 1. TCAS System Components (Honeywell Supplied)
Equipment Type
TCAS Processor
TPA-100A
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
MAINTENANCE MANUAL
CAS-100 COLLISION AVOIDANCE SYSTEM
Honeywell
Part Number
940-0300-001
940-0400-001
Description
The TCAS processor is a tray-mounted ARINC
735A assembly. The processor contains the circuits
that control the TCAS system and an L-band rf
transmitter/receiver.
The TCAS processor controls all surveillance, data
acquisition, tracking, advisory, and air-to-air
maneuvering coordination functions in the CAS-100
system.
The TCAS processor selects directional antenna
beams. The processor supplies and transfers
pulsed 1030-MHz rf surveillance interrogation data
to the TCAS top and bottom antennas and receives
1090-MHz rf reply data from the TCAS antennas.
The TCAS processor also examines the reply data
and determines the threat potential of intruder
aircraft.
The TCAS processor supplies ARINC 429 traffic
and resolution advisory display data output to the
TA/VSI, RA/VSI, and other optional display units.
The processor also supplies ARINC 429 control and
housekeeping data to the Mode S transponder
subsystem.
The TCAS processor receives ARINC 429 data that
includes coordination, pressure altitude, TCAS
control, own identification, and own maximum
airspeed from the Mode S transponder.
34-45-47
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1 Dec 2003