User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
Table 4-1: T
3
CAS Computer Unit Interface Description (cont)
(Applicable to Part No. 9005000-10000, -10101, -10202, -10204, and -11203)
Connector
Pin
Designation
Functional Description
RTP-7J
Strobed Program Pin
TAWS/XPDR #10: Attitude Source Selection
Refer to sub-section 3.C. TAWS/XPDR Pin Programming
RTP-7K
Strobed Program Pin
TAWS/XPDR #12: Cold Temp Comp
Refer to sub-section 3.C. TAWS/XPDR Pin Programming
RTP-8A, 8B
ARINC 429 TAWS Output to CFDIU: [RTP-8A (A), RTP-8B (B)]
This ARINC 429 output bus transmits data from the TAWS function to an onboard
maintenance computer or a central fault display system.
RTP-8C
Discrete Input (Gnd/Open)
Internal XPDR SDI #1 Refer to Note 6 following the table.
RTP-8D
Discrete Input (Gnd/Open)
Internal XPDR SDI #2
RTP-8E, 8F
ARINC 429 Transponder Output to CFDIU: [RTP-8E (A), RTP-8F (B)]
This ARINC 429 output bus transmits data from the transponder function to an
onboard maintenance computer or a central fault display system. NOTE: These
pins are designated for CFDIU outputs if T
3
CAS is operating in full configuration
mode with TAWS, TCAS and internal transponder enabled. Else these pins are
Spares.
RTP-8G, 8H
ARINC 429 TAWS Test Output
This bus outputs Event Data for flight test use. Event Data is the post filter / post
source selection inputs to the Ground Collision Avoidance Module.
RTP-8J, 8K
Reserved
RTP-9A, 9B
Reserved
RTP-9C
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A19.
RTP-9D
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A20.
RTP-9E
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A21.
RTP-9F
Discrete Input (Gnd/Open)
XPDR Mode S Address Bit A22.
RTP-9G, 9H
ARINC 429 TAWS Output
This bus outputs data for Airline troubleshooting purposes.
RTP-9J
Strobed Program Pin
Spare Or
DO-260B Config Data #7 (For Part No.-11203)
Refer to sub-section 3.B. TAWS/RWS/XPDR/DO-260B Data Configuration
4-6
04 Nov 2014
34-45-29
Pub. No. 8600200-001, Revision 004
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