Honeywell BendixKing KT 74 - SECTION 3 SYSTEM INTERCONNECT; Basic Interconnect Diagram

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INSTALLATION MANUAL

89000007

Page 3-1

15 Nov 2013

SECTION 3

SYSTEM INTERCONNECT

3.1 Basic Interconnect Diagram

Refer to Figure 3-1 for the basic interconnect diagram.

Main Page

Table of Contents13
Title Page14
Introduction19
How to Use this Manual19
General19
Observance of Manual Instructions19
Symbols19
Figure INTRO-1. Symbols19
Units of Measure20
Standard Practices Manual20
Electrostatic Discharge20
Bendixking Technical Publications Support20
Honeywell Aerospace Online Technical Publications Website20
Bendixking Customer Support20
References20
Honeywell/Vendor Publications20
Other Publications21
Acronyms and Abbreviations22
General22
Software History24
Software Data24
Section 1 General Information25
KT 74 Description25
Interfaces25
Table 1-1. Interface Services25
Regulatory26
Table 1-2. Regulatory Data26
Approved Deviations27
Physical Specifications (in Tray)27
Table 1-3. Physical Specifications27
Installation Approval28
TSO Failure Condition Classification28
Non-TSO Functions28
KT 74 Mode S Transponder Items28
Table 1-4. Included Transponder Items28
Installation Kit29
Documentation Kit29
Required Items29
Table 1-5. Installation Kit29
Table 1-6. Documentation Kit29
Normal Operations Overview30
Display30
Figure 1-1. KT 74 Display30
Mode Selector Knob31
Push Buttons31
Squawk Code Entry31
Table 1-7. Push Button Functions31
Flight Timer32
Stopwatch32
Flight ID Entry32
Altitude Monitor32
ADS-B Monitor33
Warning Messages33
Fault Annunciation33
Low Temperature Operation33
Limited Warranty34
ADS-B Compliance35
ADS-B Parameters Supported35
Table 1-8. ADS-B Parameters35
FAA 91.227 Compliance37
AMC 20-24 Compliance37
Automatic Air/Ground Determination37
Section 2 Installation39
Unpacking and Inspecting Equipment39
Mounting39
Installation Drawings39
Figure 2-1. KT 74 Installation Drawing41
Cooling Requirements42
Electrical Connections42
Primary Interface - Pinout42
Table 2-1. Primary Interface Pinout Locations43
Secondary Interface - Pinout44
Figure 2-2. Primary Interface Pinout Locations44
Table 2-2. Secondary Interface Pinout Locations44
Orientation Diagram45
Figure 2-3. Secondary Interface Pinout Locations45
Interface Details46
Power Input46
Lighting Bus Input46
Figure 2-4. KT 74 Connector Positions46
Mutual Suppression47
Altitude Inputs and Output47
Squat Switch Input48
Ident Switch Input48
External Standby Input48
Audio Output48
Altitude Alerter Output49
GPS Position Input49
TIS-A Traffic Output49
Molex Crimp Terminals50
Antenna Installation50
Figure 2-5. Molex Crimp Terminals50
Antenna Cable51
Table 2-3. Maximum Usable Cable Lengths51
BNC Connector52
Figure 2-6. Coax Cable Stripping Dimensions53
Figure 2-7. Coax Cable Inner and Outer Shield Orientation53
Figure 2-8. Coax Cable Outer Shield to BNC Solder Location54
Figure 2-9. Coax Cable and BNC Heat Shrink Location54
Tray/Bnc Connector Assembly55
Figure 2-10. BNC Completed Assembly55
Figure 2-11. Tray / BNC Connector Assembly56
Section 3 System Interconnect58
Basic Interconnect Diagram58
Figure 3-1. KT 74 Basic Interconnect Diagram60
Section 4 Post-Installation Configuration, Calibration, and Checkout61
Post Installation Checks61
Installation Setup and Test61
Figure 4-1. KT 74 Transponder62
Configuration Items63
Aircraft Registration/Vfr Flight ID63
Aircraft Address Programming63
VFR Squawk Code63
Airspeed Category63
Aircraft Category64
Squat Switch Source64
ARINC TIS-A Output64
Serial TIS-A Output64
GPS Input64
GPS/TIS-A Line Speed64
GPS System Certification Level65
GPS Nacv65
Measurement Unit65
Aircraft Length and Width65
GPS Antenna Offset65
ADS-B Receiver Options66
Audio Volume66
LCD DIM Point66
LCD Brightness Curve66
Test Items66
Interface Check66
Altitude Check67
Lighting Bus67
Temperature67
GPS Interface67
Warnings and Faults67
Table 4-1. Warning Messages67
Table 4-2. Fault Messages68
Section 5 Instructions for Continued Airworthiness69
Continued Airworthiness69
Cleaning the KT 74 Transponder69
Appendix Aenviromental Qualification71
Table A-1. Environmental Qualification Form71

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Honeywell BendixKing KT 74 - SECTION 3 SYSTEM INTERCONNECT; Basic Interconnect Diagram

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