User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
Table 4-1: T
3
CAS Computer Unit Interface Description
(Applicable to Part No. 9005000-10000, -10101, -10202, -10204, and -11203)
Connector
Pin
Designation
Functional Description
T
3
CAS Computer Unit Right Top Plug (RTP)
RTP-1A, 1B
ARINC 453 Terrain Display Output No.1 (CAPT): (RTP-1A [A], RTP-1B [B])
T
3
CAS output number 1 to the terrain awareness display.
RTP-1C, 1D
ARINC 429 Input: MMR/GPS #1 [RTP-1C (A), RTP-1D (B)]
This high-speed 429 input is used to receive GPS label input containing position,
velocity and quality information for the use of ADS-B IN applications and by the
transponder function of ADS-B OUT. NOTE: These pins are designated for
MMR/GPS #1 if T
3
CAS is operating as TAWS and TCAS only with internal
transponder and ATSAW function disabled. Else these pins are Spares.
RTP-1E, 1F
ARINC 453 Terrain Display Output No.2 (F/O): (RTP-1E [A], RTP-1F [B])
T
3
CAS output number 2 to the terrain awareness display.
RTP-1G, 1H
ARINC 429 Input: FMC #1:EIS [RTP-1G (A), RTP-1H (B)]
This high-speed 429 input from the Flight Management Computer (FMC)
Electronic Instrument System (EIS) provides position information from the FMC to
the T
3
CAS. NOTE: These pins are designated for FMC #1 if T
3
CAS is operating
as TAWS and TCAS only with internal transponder disabled. Else these pins are
Spares.
RTP-1J, 1K
ARINC 429 Input: ADIRU #2 / ADR [RTP-1J (A), RTP-1K (B)]
This low-speed 429 input from the Air Data/Inertial Reference Unit (ADIRU) #2
provides altitude, airspeed, altitude rate and temperature information to the
T
3
CAS.
RTP-2A, 2B
ARINC 429 Input: ADIRU #3 / ADR [RTP-2A (A), RTP-2B (B)]
This low-speed 429 input from the Air Data/Inertial Reference Unit (ADIRU) #2
provides altitude, airspeed, altitude rate and temperature information to the
T
3
CAS.
RTP-2C, 2D
ARINC 429 Air Data/Inertial Reference Unit (ADIRU) #2, Inertial Reference
Part (IRS) Input: [RTP-2C (A), RTP-2D (B)]
This high-speed input is provided for applications to receive Inertial Reference
System information.
RTP-2E, 2F
Weather Radar/Predictive Windshear System Hazard #1: [RTP-2E (A), RTP-
2F (B)]
This high-speed input is provided for TAWS application to receive predictive
windshear information.
RTP-2G
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A1 (MSB). Refer to Note 5 following the table.
RTP-2H
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A2.
RTP-2J
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A3.
4-2
04 Nov 2014
34-45-29
Pub. No. 8600200-001, Revision 004
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