User's Manual

Table Of Contents
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
Table 4-2: T
3
CAS Computer Unit Interface Description
(Applicable to Part No. 9005000-11801 and -55801)
Connector
Pin
Designation
Functional Description
RTP-8A, 8B
ARINC 429 TAWS Output #1
This bus outputs TAWS and Ground Collision Avoidance Module (GCAM) data.
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 Output
This ARINC 429 output is defined as a high speed General Output Bus.
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: ARINC 429 Output
RTP-9A, 9B Reserved: ARINC 429 Input
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
DO-260B Config Data #7
Refer to sub-section 3.B. TAWS/RWS/XPDR/DO-260B Data Configuration
RTP-9K
Strobed Program Pin
DO-260B Config Data Parity
Refer to sub-section 3.B. TAWS/RWS/XPDR/DO-260B Data Configuration
RTP-10A
Discrete Input (Gnd/Open)
Glideslope Cancel (Self-Test)
RTP-10B
Discrete Input (Gnd/Open)
Audio Inhibit
RTP-10C
Discrete Input (Gnd/Open)
GPWS Inhibit
RTP-10D
Discrete Input (Gnd/Open)
Glideslope Cancel
Pub. No. 8600200-001, Revision 004
34-45-29
4-41
04 Nov 2014
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