Garmin GTX 23 Installation Manual Download

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190-00906-01

June, 2014

Revision C

GTX 23

Transponder
Installation Manual

Summary of Contents for GTX 23

Page 1: ...190 00906 01 June 2014 Revision C GTX 23 Transponder Installation Manual ...

Page 2: ...provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin International Inc 1200 E 151st Street Olathe KS 66062 USA Telephone 913 397 8200 Aviation Panel Mount Technical Support Line Toll Free 1...

Page 3: ...ntain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordance with California s Proposition 65 If you have any questions or would like additional information please refer to our web site at www garmin com prop65 WARNING Perchlorate Material special handling may apply See www dtsc ca gov hazardouswaste perchlorate WAR...

Page 4: ...d operating instructions info 2 1 2 2 Added new unit w system rack part number 2 1 2 2 1 Added modular rack to equipment available table 2 2 2 2 2 Added modular rack mounting hardware info 2 5 2 6 2 6 2 6 1 2 6 2 Updated mounting requirements info added modular rack info and added Figure 2 3 A 1 Appdx A Made corrections to static load testing info C 2 Appdx C Corrected pin number on P1001 Figure C...

Page 5: ...FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THE PRODUCT OR FROM DEFECTS IN THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMA...

Page 6: ...nsiderations 2 3 2 4 Cabling and Wiring 2 4 2 5 Cooling Air 2 5 2 6 GTX 23 Mounting Requirements 2 5 Section 3 INSTALLATION PROCEDURE 3 1 3 1 Unpacking Unit 3 1 3 2 Wiring Harness Installation 3 1 3 3 Electrical Connections 3 1 3 4 Backshell Assembly 3 2 3 5 Weight and Balance 3 2 3 6 Electrical Load Analysis 3 2 3 7 Final Installation 3 3 3 8 Post Installation Configuration and Checkout 3 3 3 9 C...

Page 7: ...ion Technique Method A 1 Standard B 3 B 3 Shield Termination Technique Method A 2 Daisy Chain B 7 B 4 Shield Termination Method B 1 Quick Term B 7 B 5 Shield Termination Method B 2 Daisy Chain Quick Term B 9 B 6 Daisy Chain between Methods A and B B 10 B 7 Splicing Signal Wires B 10 Appendix C INTERCONNECT DRAWINGS Example Only C 1 Appendix D OUTLINE AND INSTALLATION DRAWINGS D 1 ...

Page 8: ... Figure B 1 Shield Block Installation 78 pin example B 2 Figure B 2 Method A 1 for Shield Termination B 3 Figure B 3 Insulation Contact Clearance B 5 Figure B 4 Method A 2 Daisy Chain for Shield Termination B 7 Figure B 5 Method B 1 Quick Term for Shield Termination B 8 Figure B 6 Method B 2 Daisy Chain Quick Term for Shield Termination B 9 Figure B 7 Daisy Chain between Methods A and B B 10 Figur...

Page 9: ...nit Power Loads 3 2 Table 3 2 Recommended Crimp Tools High Density 3 2 Section 4 SYSTEM INTERCONNECTS 4 1 Table 4 1 P2301 Pin Assignments 4 1 Table 4 2 Aircraft Power 4 3 Table 4 3 Discrete Outputs 4 3 Table 4 4 Discrete Inputs 4 4 Table 4 5 RS 232 Input Output 4 5 Table 4 6 ARINC 429 Input Output 4 5 Appendix A CONSTRUCTION AND VALIDATION OF STRUCTURESA 1 Table A 1 Static Test Load A 1 Appendix B...

Page 10: ...errogations Mode A replies consist of framing pulses and any one of 4 096 codes which differ in the position and number of pulses transmitted Mode C replies include framing pulses and encoded pressure altitude Mode S replies can contain various information such as the Mode A code Mode C altitude ICAO address and Elementary Surveillance and Enhanced Surveillance data described below Features of the...

Page 11: ...r or a GPS WAAS source that supports ARINC 743A output is required to support ADS B transmissions 1 3 1 ADS B Versions There are three distinct ADS B versions recognized by regulatory authorities As shown in the table below the Garmin GTX 23 w ES currently supports ADS B Out 1090MHz Extended Squitter capability meeting Version 1 or Version 2 ADS B system requirements depending on software version ...

Page 12: ...ems dated August 30 2010 a Supplemental Type Certificate STC is required for the approval of Version 2 ADS B Out equipment There are two options for installers wanting to install GTX 23 w ES transponders running software versions v7 01 and later 1 Installers may elect to disable the ADS B Extended Squitter function as described in Section 3 8 2 Installers must utilize a Supplemental Type Certifica...

Page 13: ...ssion pulse input output Aircraft power input 14 28 Vdc RS 232 input 1 connection for altitude and unit control data RS 232 output 1 connection for TIS and unit status RS 232 input 2 connection for GPS data for ADS B Supports Comm A and Comm B protocol ARINC 429 outputs for TIS data The GTX 23 supports the following list of Comm B Definition Subfield BDS registers BDS 0 0 Air Initiated Comm B AICB...

Page 14: ...ding backshell 0 4 lbs 0 18 kg GTX 23 Unit Weight 3 1 lbs 1 41 kg Table 1 3 General Specifications Characteristic Specification Regulatory Compliance GTX 23 w ES RTCA DO 160D RTCA DO 181C RTCA DO 260B EuroCAE ED 102A EuroCAE ED 73A EuroCAE ED 73B Unit Software RTCA DO 178B Level C Complex Electronic Hardware RTCA DO 254 Level C FCC Authorization Emission Designator 12M0M1D Temperature Range 45 C t...

Page 15: ...red for TSO approval of this article are minimum performance standards It is the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions are within the TSO standards The article may be installed only if performed under 14 CFR Part 43 or the applicable airworthiness requirements It is the install...

Page 16: ...ast TIS B TSO C166a See Note 2 ETSO C166a See Note 2 B0 non diversity B1 diversity 006 B1417 00 Rev A v6 20 TSO C166b see Note 3 B1S non diversity B1 diversity All 006 B1417 00 Rev except 006 B1417 00 Rev A v6 20 Enhanced Surveillance ICAO Annex 10 Amendment 77 Tables 2 64 2 80 2 96 See Note 1 All 006 B1417 00 RTCA DO 178B Compliance DO 178B Level C RTCA DO 254 Compliance DO 254 Level C Note 1 Com...

Page 17: ...TSO C166a 1 Garmin was granted a deviation from TSO C166a to use RTCA DO 160D instead of RTCA DO 160E 2 Garmin was granted a deviation from TSO C166a to place relevant TSO marking information within the installation manual rather than on the equipment ETSO C166a 1 Garmin was granted a deviation from ETSO C166a to use RTCA DO 160D instead of RTCA DO 160E as the standard for Environmental Conditions...

Page 18: ...tal of 4096 discrete identification codes can be entered 2 VFR Code Selecting VFR changes the Code to the pre programmed VFR code Ident Function Selecting the Ident function sends an ID indication to ATC for 18 seconds This ID indication distinguishes your transponder from all others on the air traffic controller s radar screen NOTE For detailed operating instructions refer to the pilot s guide fo...

Page 19: ...Equipment Available Each of the following accessories is provided separately for the GTX 23 unit The rack and the remainder of the accessories are required for installation Table 2 1 Installation Materials Item Catalog Part Number GTX 23 w ES Unit Only 011 02803 02 010 01014 02 GTX 23 w ES and Install Kit 011 02803 02 010 01014 03 GTX 23 w ES Standard w System Rack 010 01014 04 Table 2 2 Equipment...

Page 20: ...s and fabrication is detailed in Section 3 of this manual Hardware 6 32 x 100 Flathead SS Screw MS24693 AN507R or other approved fastener 4 ea for horizontal mounting of the remote stand alone rack Hardware 8 32 Panhead Machine Screw MS35206 AN526 or other approved fastener 4 ea for vertical mounting of the remote stand alone rack Hardware 6 32 x 100 Flathead SS Screw MS24693 AN507R or other appro...

Page 21: ...na should be mounted vertically on the bottom of the aircraft Figure 2 1 c Antenna Separation DME and TCAS receive signals in the same frequency range that aviation transponders transmit at so their antennas should be separated from the transponder antenna by as much as feasible Six feet of separation is a guideline Radar altimeters should one be installed on an aircraft with a GTX 23 also have so...

Page 22: ... table lists examples of recommended antenna cable One can determine the length of cable needed to connect the transponder to the antenna and then use the table to look up a recommended cable manufacturer and part number that will meet the 1 5 dB loss spec The table assumes a loss figure of 0 2 dB per connector Note that any 50 Ω double shielded coaxial cable assembly that meets airworthiness requ...

Page 23: ...n contact with the airframe The racks can be installed in a variety of locations such as the electronics bay under a seat or on an avionics shelf behind the rear baggage area Refer to Figure 2 4 for suggested locations The racks should be mounted to a surface known to have sufficient structural integrity to withstand additional inertia forces imposed by the GTX 23 unit rack and connectors see Sect...

Page 24: ...190 00906 01 GTX 23 Installation Manual Rev C Page 2 6 Figure 2 2 GTX 23 Stand Alone Rack 115 00629 00 Figure 2 3 GTX 23 Modular Rack 115 00438 00 ...

Page 25: ...190 00906 01 GTX 23 Installation Manual Rev C Page 2 7 Figure 2 4 GTX 23 Stand Alone Rack Suggested Mounting Locations ...

Page 26: ...input and output signals Required connectors and associated hardware are supplied with the connector kit See Appendix C for examples of interconnect wiring diagrams CAUTION Check wiring connections for errors before inserting the GTX 23 into the rack Incorrect wiring could cause internal component damage 3 3 Electrical Connections All electrical connections except for the antenna and shield ground...

Page 27: ... on each aircraft prior to installation in accordance with AC43 13 1B Chapter 11 Use the following values for computation Table 3 2 Recommended Crimp Tools High Density Manufacturer note 1 Hand Crimp ing Tool 18 20 AWG 22 28 AWG Positioner Insertion Extraction Tool note 2 Positioner Insertion Extraction Tool Military P N M22520 2 01 N A M81969 1 04 M22520 2 09 M81969 1 04 Positronic 9507 0 9502 11...

Page 28: ...ided Phillips screw CAUTION Start the handle screw into the hole carefully to avoid cross threading Do not apply torque in excess of 14 in lbs to the handle screw The application of torque exceeding 14 in lbs to the screw will damage the LRU case and or retaining hardware 3 8 Post Installation Configuration and Checkout NOTE The GTX 23 Mode S Transponder will not provide valid outputs until the ai...

Page 29: ...C 43 6B and or other appropriate regulations The test is typically done as a ramp test using a transponder ramp test set such as the TIC TR 220 IFR ATC 601 or other suitable Mode S transponder test set The ramp test includes checks as follows Reference Part 43 Appendix F a Reply Frequency b Suppression c Receiver Sensitivity d Reply RF Output Power e Mode S Diversity Channel Isolation if applicabl...

Page 30: ... IDENT SELECT In 13 EXTERNAL STANDBY SELECT In 14 NOT USED 15 NOT USED 16 NOT USED 17 NOT USED 18 NOT USED 19 NOT USED 20 NOT USED 21 AIRCRAFT POWER 1 In 22 RS 232 IN 1 In 23 RS 232 OUT 1 Out 24 RS 232 IN 2 In 25 RS 232 OUT 2 Out 26 NOT USED 27 NOT USED 28 ARINC 429 OUT 2 B Out 29 NOT USED 30 ARINC 429 OUT 2 A Out Denotes active low ground to activate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 22 23 24 2...

Page 31: ...ER GROUND 40 NOT USED 41 NOT USED 42 AIRCRAFT POWER 1 In 43 RS 232 GROUND 44 NOT USED 45 NOT USED In 46 TIS CONNECT SELECT In 47 NOT USED 48 NOT USED 49 NOT USED 50 RS 232 GROUND 2 51 NOT USED 52 NOT USED 53 NOT USED 54 NOT USED 55 NOT USED 56 AIRCRAFT POWER 2 In 57 NOT USED 58 POWER GROUND 59 NOT USED 60 AIRCRAFT POWER 2 In 61 NOT USED 62 NOT USED Denotes active low ground to activate Table 4 1 P...

Page 32: ...atible DME units include the Bendix King KN 62 KN 64 and KNS 80 These models have an output only suppression port and can be damaged by the GTX 23 mutual suppression output In this case do not connect the GTX 23 s suppression pin to the incompatible unit s suppression pin however do connect the GTX 23 s suppression pin to any other compatible unit s suppression pin Table 4 2 Aircraft Power Pin Nam...

Page 33: ...a momentary input When EXTERNAL STANDBY SELECT is grounded the GTX 23 operates in standby mode In this mode the transponder will not squitter or reply to interrogations TIS CONNECT SELECT is a momentary input When grounded it toggles whether TIS is in standby or operating Table 4 4 Discrete Inputs Pin Name Connector Pin I O EXTERNAL IDENT SELECT P2301 12 In EXTERNAL STANDBY SELECT P2301 13 In TIS ...

Page 34: ... conform to EIA Standard RS 232C with an output voltage swing of at least 5 V when driving a standard RS 232 load Refer to figures in Appendix C for the RS 232 serial data interconnect 4 3 2 ARINC 429 Input Output The ARINC 429 outputs conform to ARINC 429 electrical specifications when loaded with up to five standard ARINC 429 receivers Table 4 5 RS 232 Input Output Pin Name Connector Pin I O RS ...

Page 35: ...top to the GTX 23 This connector may be useful for updating software to comply with new ADS B regulation The connector can be mounted anywhere convenient for access such as under the instrument panel on a remote avionics shelf next to the unit or in the instrument panel itself Label the connector For Software Update Do not include the Test Mode Select switch in the aircraft See Figure 4 2 for soft...

Page 36: ... as follows 1 Mark and drill the holes where the GTX 23 equipment rack will be mounted 2 Install four 8 32 machine screws MS35206 AN526 or other approved fastener in the four holes which will be used to mount the GTX 23 equipment rack using washers nuts and nutplates to mount the equipment rack to the mounting surface Note that some means of locking fastener must be used e g either lock nuts or st...

Page 37: ... strong enough to withstand the test loads Examine all aircraft stringers bulkheads and skin surfaces which may have direct or indirect contact with the fabricated shelf If it is determined that no damage or permanent deformation has occurred the structure is of sufficient strength and the GTX 23 equipment rack may be permanently mounted on it Figure A 1 Upward static Load Test Figure A 2 Forward ...

Page 38: ...or Hi Density D Sub 62 pin 330 00185 62 Table B 2 Parts Not Supplied for a Shield Block Installation Figure B 1 Item Number Description GPN or MIL spec 4 Multiple Conductor Shielded Cable 2 conductor shown in Figure B 1 Refer to Installation Wiring Diagrams 5 Drain Wire Shield Termination Solder Sleeve method optional Parts used depend on method chosen 6 Braid Flat 19 20 AWG equivalent tinned plat...

Page 39: ...190 00906 01 GTX 23 Installation Manual Rev C Page B 2 NOTE In Figure B 1 AR denotes quantity As Required for the particular installation Figure B 1 Shield Block Installation 78 pin example 18 ...

Page 40: ...ure B 2 Use caution when cutting the jacket to avoid damaging the individual braids of the shield When dealing with a densely populated connector with many cables it may prove beneficial to stagger the windows throughout the Window Min to Window Max range If staggering is not needed the Ideal Window length is recommended Suggested tools to accomplish the window cut Coaxial Cable Stripper Thermal S...

Page 41: ... Braid Item 6 to be attached Solder Sleeves with pre installed Flat Braid A preferred solder sleeve would be the Raychem S03 Series with the thermochromic temperature indicator S03 02 R 9035 100 S03 03 R 9035 100 S03 04 R 9035 100 These solder sleeves come with a pre installed braid and effectively take the place of Items 3 and 4 For detailed instructions on product use reference Raychem installat...

Page 42: ... conductors Figure B 2 The Ideal Float length may be best to build optimally Preferred Method The jacket and shield should be cut off at the same point so no shield is exposed Slide 0 75 inches minimum of Teflon heat shrinkable tubing Item 7 onto the cable and use a heat gun to shrink the tubing The chosen size of heat shrinkage tubing must accommodate the number of conductors present in the cable...

Page 43: ...ated 18 22 AWG MS25036 149 can accommodate this single Flat Braid If more braids exist for this connector than two per ring terminal it is permissible to terminate three braids per ring terminal This will necessitate the use of a Ring terminal 8 insulated 10 12 AWG MS25036 156 9 Repeat steps 2 through 8 as needed for the remaining shielded cables 10 Terminate the ring terminals to the Jackscrew Ba...

Page 44: ... the float in the cable insulation and moves the placement of the window which was described by the dimensions Window Min and Window Max from Method A 1 This technique is depicted in Figure B 5 NOTE The original purpose for separating the shield drain termination Item 5 from the float termination Item 7 in Method A 1 was to allow for a variety of lengths for the drain wires so that the shield drai...

Page 45: ...y prove beneficial to use a solder sleeve with a pre installed Flat Braid versus having to cut a length of Flat Braid to be used The chosen size of solder sleeve must accommodate both the number of conductors present in the cable and the Flat Braid Item 6 to be attached NOTE Reference Section B 2 for recommended solder sleeves and flat braid The same recommendations are applicable to this techniqu...

Page 46: ... All other restrictions and instructions for the shield termination technique set forth for Method A 1 are still applicable NOTE The maximum length of the combined braids should be approximately 4 inches Figure B 6 Method B 2 Daisy Chain Quick Term for Shield Termination Table B 4 Shielded Cable Preparations Quick Term Backshell Size Number of Pins Std HD Quick Term Min inches Quick Term Max inche...

Page 47: ...ngth of the combined braids should be approximately 4 inches Figure B 7 Daisy Chain between Methods A and B B 7 Splicing Signal Wires NOTE Figure B 8 illustrates that a splice must be made within a 3 inch window from outside the edge of clamp to the end of the 3 inch max mark WARNING Keep the splice out of the backshell for pin extraction and outside of the strain relief to avoid preloading Figure...

Page 48: ...190 00906 01 GTX 23 Installation Manual Rev C Page B 11 Figure B 8 D Sub Spliced Signal Wire illustration ...

Page 49: ...AIRCRAFT GROUND CONTACTS IN THE CONNECTOR IS RECOMMENDED FOR EACH POWER BUS CONNECTION 28 Vdc INSTALLATIONS ONLY REQUIRE ONE AIRCRAFT POWER AND ONE AIRCRAFT GROUND CONTACT IN THE CONNECTOR FOR EACH POWER BUS CONNECTION 3 EXTERNAL SUPPRESSION P2301 31 SENDS AND ACCEPTS POSITIVE GOING SUPPRESSION PULSES TO FROM OTHER EQUIPMENT THAT TRANSMITS OR RECEIVES IN THE L BAND EXAMPLES OF THIS EQUIPMENT INCLU...

Page 50: ... FOR THIS SETUP PLEASE SEE FOLLOWING CONFIGURATION GUIDANCE 3 ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE NOTED 4 THE GTX23 REQUIRES THAT RS 232 INPUT 2 BE USED FOR TSOA GPS DATA BUT ANY UNUSED RS 232 OUTPUT ON THE GNS OR GTN MAY BE USED ADS B Setup In order to be ADS B compliant the GTX 23 must receive TSOA GPS data from a GTN 6XX 7XX or GNS the RS 232 output connected to the GTX to the ADS B for...

Page 51: ...t connected to the GTX to o Speed High o Format Garmin GTX 330 NOTES 1 THE CONNECTIONS ON THIS PAGE ARE OPTIONAL THE GDU 37X WILL DISPLAY TIS DATA THESE CONNECTIONS ENABLE TIS TO BE DISPLAYED ON A GNS 4XXW 5XXW SERIES UNIT 2 IF TIS WILL BE DISPLAYED ON A GNS THE GNS MUST BE CONFIGURED FOR THIS SETUP PLEASE SEE THE FOLLOWING CONFIGURATION GUIDANCE 3 ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE NOTED...

Page 52: ...IX D OUTLINE AND INSTALLATION DRAWINGS Figure D 1 GTX 23 in Standalone Rack Outline Drawing 9 69 246 0 11 42 290 0 6 49 164 9 6 92 175 7 5 3 CENTER OF GRAVITY 135 3 6 CENTER OF GRAVITY 90 9 CENTER OF GRAVITY 23 4X 19 4 8 1 78 45 3 32 8 2 1 14 29 0 1 92 48 7 6 25 158 8 ...

Page 53: ...11 60234 08 2 PLACES 330 00053 01 BNC OR 330 00053 02 TNC 212 00022 00 NUT SUPPLIED WITH 330 00053 XX NOTES IF REMOVED APPLY 291 00023 02 THREAD LOCKING COMPOUND TO ALL THREADED FASTENERS 1 BEFORE REINSTALLATION RF ADAPTOR 330 00053 XX MUST FLOAT IN CAVITY FOLLOWING ASSEMBLY OF NUT AND WASHER 2 REFER TO APPENDIX B FOR ADDITIONAL PARTS LISTS 3 BACKPLATE ASSEMBLY 011 00582 XX 330 00185 62 011 01169 ...

Page 54: ... 9 64 244 8 10 77 273 6 6 30 160 0 7 26 184 4 11 37 288 8 4 9 CENTER OF GRAVITY 124 3 2 CENTER OF GRAVITY 81 6X NOTE 3 BOTH SIDES 6X NOTE 3 377 010 9 58 0 25 3 350 010 85 09 0 25 480 010 TYP 12 19 0 25 390 010 9 91 0 25 1 72 43 6 NOTES DIMENSIONS INCHES mm 1 DIMENSIONS SHOWN ARE FOR REFERENCE ONLY 2 MOUNTING HOLES FOR 6 FLAT HEAD 100 CSK SCREW 18 PLACS 3 ...

Page 55: ...2 TNC 212 00022 00 NUT SUPPLIED WITH 330 00053 XX NOTES IF REMOVED APPLY 291 00023 02 THREAD LOCKING COMPOUND TO ALL THREADED FASTENERS 1 BEFORE REINSTALLATION RF ADAPTOR 330 00053 XX MUST FLOAT IN CAVITY FOLLOWING ASSEMBLY OF NUT AND WASHER 2 REFER TO APPENDIX B FOR ADDITIONAL PARTS LISTS 3 125 00002 00 BACKPLATE ASSEMBLY 011 00582 XX 330 00185 62 CONNECTOR KIT 011 01012 01 011 01169 01 NOTE 3 MI...

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