User's Manual Part 2

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CAS / Part No. 9000000

SYSTEM DESCRIPTION AND INSTALLATION MANUAL

34-43-20

15 Feb 2003

Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.

4--68

The 2 W dc Inputs input signal consists of a 2 Wire dc input signal that is

connected to the Y and Z leg of the input circuit. The X leg is not connected to

external circuitry in this configuration.

(2) Programmable Digital Input/Output Pins

This section defines the physical characteristics of each Digital signal type supported

by the T

CAS TAWS/RWS function. The T

CAS supports the following Digital

signals: ARINC 429, ARINC 453, Ethernet 10 Base--T and RS --422.

The Digital signals addressed in this section are APM/ASDB programmable input and

output signals as shown in Table 4--13 and Table 4--14 respectfully. As new Aircraft

configurations/ASDBs are defined, the Digital signals will be assigned to a particular

input/output per Appendix n (’n’ denotes Appendix’ that are created as new Aircraft

Configurations are defined).

The statically assigned Digital signal definitions are addressed in the “TAWS/RWS

Pinout and Pin Descriptions (Non--Configurable)” Section.

Table 4--13. APM/ASDB Programmable Digital Inputs

Digital Signal Definition Pin # Notes

ARINC 429 Input #1 (A) RTP--1C A429 Input H/L

ARINC 429 Input #1 (B) RTP--1D A429 Input H/L

ARINC 429 Input #2 (A) RTP--1G A429 Input H/L

ARINC 429 Input #2 (B) RTP--1H A429 Input H/L

ARINC 429 Input #3 (A) RTP--1J A429 Input H/L

ARINC 429 Input #3 (B) RTP--1K A429 Input H/L

ARINC 429 Input #4 (A) RTP--2E A429 Input H/L

ARINC 429 Input #4 (B) RTP--2F A429 Input H/L

ARINC 429 Input #5 (A) RTP--3A A429 Input H/L

ARINC 429 Input #5 (B) RTP--3B A429 Input H/L

ARINC 429 Input #6 (A) RTP--3C A429 Input H/L

ARINC 429 Input #6 (B) RTP--3D A429 Input H/L

ARINC 429 Input #7 (A) RTP--3E A429 Input H/L

ARINC 429 Input #7 (B) RTP--3F A429 Input H/L

ARINC 429 Input #8 (A) RTP--3G multiplexed with RS--422 and GPS T ime Mark

Inputs

ARINC 429 Input #8 (B) RTP--3H multiplexed with RS--422 and GPS T ime Mark

Inputs