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Garmin GTX 23 Installation Manual

Other manuals for GTX 23: Installation Manual

Summary of GTX 23

  • Page 1

    190-00906-01 june, 2014 revision c gtx 23 transponder installation manual.

  • Page 2

    190-00906-01 gtx 23 installation manual rev. C page a © 2014 garmin ltd. Or its subsidiaries all rights reserved except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium, for any purpose without the e...

  • Page 3

    190-00906-01 gtx 23 installation manual rev. C page i information subject to export control laws this document may contain information which is subject to the export administration regulations ("ear") issued by the united states department of commerce (15 cfr, chapter vii, subchapter c) and which ma...

  • Page 4

    190-00906-01 gtx 23 installation manual rev. C page ii current revision description revision page number(s) section number description of change c 1-5 1.7 added modular rack info to physical characteristics table 1-8 1.9.2 updated tso/etso deviations table 1-6 1-9 1.10 updated operating instructions...

  • Page 5

    190-00906-01 gtx 23 installation manual rev. C page iii aviation limited warranty all garmin avionics products are warranted to be free from defects in materials or workmanship for: two years from the date of purchase for new remote-mount and panel-mount products; one year from the date of purchase ...

  • Page 6

    190-00906-01 gtx 23 installation manual rev. C page iv table of contents paragraph page section 1 general description .............................................................1-1 1.1 introduction........................................................................................................

  • Page 7

    190-00906-01 gtx 23 installation manual rev. C page v paragraph page appendix b shield block installation instructions ..........B-1 b.1 shield block installation parts ........................................................................................B-1 b.2 shield termination technique – meth...

  • Page 8

    190-00906-01 gtx 23 installation manual rev. C page vi list of figures figure page section 1 general description .............................................................1-1 section 2 installation overview........................................................2-1 figure 2-1. Antenna installatio...

  • Page 9

    190-00906-01 gtx 23 installation manual rev. C page vii list of tables table page section 1 general description .............................................................1-1 table 1-1 ads-b versions......................................................................................................

  • Page 10

    190-00906-01 gtx 23 installation manual rev. C page 1-1 1 general description 1.1 introduction this manual is intended to provide mechanical and electrical information for use in the planning and design of an installation of the gtx 23 into an aircraft. This manual is not a substitute for an approve...

  • Page 11

    190-00906-01 gtx 23 installation manual rev. C page 1-2 1.3 ads-b capabilities the gtx 23 provides the capabilities of automatic dependent surveillance-broadcast (ads-b) technology, which improves situational awareness and flight safety. With ads-b capabilities, position, velocity, and heading infor...

  • Page 12

    190-00906-01 gtx 23 installation manual rev. C page 1-3 1.3.1.1 installation approval of version 1 ads-b systems gtx 23 w/es transponders running software versions v6.00 through v6.20 support version 1 ads-b out functionality. According to air-130 policy memo ‘approval for ads-b out systems’, dated ...

  • Page 13

    190-00906-01 gtx 23 installation manual rev. C page 1-4 1.5 mutual suppression pulses other equipment on board the aircraft may transmit in the same frequency band as the transponder. Dme, tcas, or another transponder are examples of equipment that operate in the same frequency band. Mutual suppress...

  • Page 14

    190-00906-01 gtx 23 installation manual rev. C page 1-5 1.7 technical specifications 1.7.1 physical characteristics 1.7.2 general specifications table 1-2 physical characteristics characteristic specification modular rack width 1.72 inches [44 mm] modular rack height 6.30 inches [160 mm] modular rac...

  • Page 15

    190-00906-01 gtx 23 installation manual rev. C page 1-6 1.7.3 power requirements 1.8 license requirements the telecommunications act of 1996, effective february 8, 1996, provides the fcc discretion to eliminate radio station license requirements for aircraft and ships. The gtx 23 installation must c...

  • Page 16

    190-00906-01 gtx 23 installation manual rev. C page 1-7 1.9.1 gtx 23 tso/etso/rtca/icao compliance table 1-5 tso/etso/rtca/icao compliance function performance standard (tso/etso/rtca/ eurocae) category applicable lru sw part numbers air traffic control radar beacon system/mode select (atcrbs/mode s...

  • Page 17

    190-00906-01 gtx 23 installation manual rev. C page 1-8 1.9.2 tso/etso deviations table 1-6 tso/etso deviations tso/etso deviation tso-c112 1. Garmin was granted a deviation from tso-c112 to use rtca do-178b instead of rtca do-178a. 2. Garmin was granted a deviation from tso-c112 to use rtca do-160d...

  • Page 18

    190-00906-01 gtx 23 installation manual rev. C page 1-9 1.10 operating instructions the gtx 23 is a remote-mount lru with no user controls or indicators. All user interface is accomplished through a compatible display device. Although different displays will handle the transponder interface differen...

  • Page 19

    190-00906-01 gtx 23 installation manual rev. C page 2-1 2 installation overview 2.1 introduction this section provides hardware equipment information for installing the gtx 23 mode s transponder, related hardware, and optional accessories. Installation of the gtx 23 should follow the data detailed i...

  • Page 20

    190-00906-01 gtx 23 installation manual rev. C page 2-2 2.2.2 additional equipment required the following installation accessories are required but not provided: • cables – the installer will supply all system cables including circuit breakers. Cable requirements and fabrication is detailed in secti...

  • Page 21

    190-00906-01 gtx 23 installation manual rev. C page 2-3 2.3 installation considerations 2.3.1 preservation of previous systems it is the installer’s responsibility to preserve the essential characteristic of the aircraft being modified with this equipment to be in accordance with the aircraft manufa...

  • Page 22

    190-00906-01 gtx 23 installation manual rev. C page 2-4 2.4 cabling and wiring refer to the interconnect examples in appendix c for wire gauge guidance. Ensure that routing of the wiring does not come in contact with sources of heat, rf or emi interference. Check that there is ample space for the ca...

  • Page 23

    190-00906-01 gtx 23 installation manual rev. C page 2-5 2.4.1 cable routing considerations after the cable assemblies are made and wiring installed to the rack back plate, route wiring bundle as appropriate. Use cable ties to secure the cable assemblies and coax to provide strain relief for the cabl...

  • 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.

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    190-00906-01 gtx 23 installation manual rev. C page 3-1 3 installation procedure 3.1 unpacking unit carefully unpack the equipment and make a visual inspection of the unit for evidence of damage incurred during shipment. If the unit is damaged, notify the carrier and file a claim. To justify a claim...

  • Page 27

    190-00906-01 gtx 23 installation manual rev. C page 3-2 3.4 backshell assembly the gtx 23 connector kit includes one garmin backshell assembly. Garmin’s backshells give the installer the ability to quickly and easily terminate shield grounds at the backshell housing. Refer to appendix b for shield b...

  • Page 28

    190-00906-01 gtx 23 installation manual rev. C page 3-3 3.7 final installation for final installation and assembly, refer to the outline and installation drawings shown in appendix d of this manual. A. Assemble the connector backshell as described in appendix b. B. Attach the connector to the rear p...

  • Page 29

    190-00906-01 gtx 23 installation manual rev. C page 3-4 3.8.3 performance (ramp) test caution if the unit is removed from the aircraft and operated, always connect j2302 to an antenna or a 50 Ω, 5-watt load. The gtx 23 transmits mode s acquisition squitters about once per second whether interrogatio...

  • Page 30

    190-00906-01 gtx 23 installation manual rev. C page 4-1 4 system interconnects 4.1 pin function list 4.1.1 p2301 figure 4-1. J2301 connector table 4-1 p2301 pin assignments pin pin name i/o 1 not used -- 2 not used -- 3 not used -- 4 not used -- 5 not used -- 6 not used -- 7 not used -- 8 not used -...

  • Page 31

    190-00906-01 gtx 23 installation manual rev. C page 4-2 pin pin name i/o 31 mutual suppression i/o i/o 32 not used -- 33 not used -- 34 arinc 429 out 1 b out 35 not used -- 36 not used -- 37 arinc 429 out 1 a out 38 not used -- 39 power ground -- 40 not used -- 41 not used -- 42 aircraft power 1 in ...

  • Page 32

    190-00906-01 gtx 23 installation manual rev. C page 4-3 4.1.2 aircraft power power input requirements are listed in the following tables. The power input pins accept 14/28 vdc. Refer to figure c-1 and c-2 for power interconnections. 4.2 discrete functions 4.2.1 discrete outputs external suppression ...

  • Page 33

    190-00906-01 gtx 23 installation manual rev. C page 4-4 4.2.2 discrete inputs sink current is internally limited to 200 ua max for a grounded input external ident select (remote ident) is a momentary input. When grounded, it activates the ident pulse for 18 seconds in mode a replies. External standb...

  • Page 34

    190-00906-01 gtx 23 installation manual rev. C page 4-5 4.3 serial data electrical characteristics 4.3.1 rs-232 input/output rs-232 input #1 is used to receive pressure altitude control commands. Rs-232 output #1 provides unit status and tis data. Rs-232 #1 input and output are also used for softwar...

  • Page 35

    190-00906-01 gtx 23 installation manual rev. C page 4-6 4.4 rs-232 input/output, software update connections gtx 23 software is updated using the rs-232 #1 interface. When wiring the rs-232 #1 interface to the rest of the system, it may be useful to splice in a pigtail connector that could be plugge...

  • Page 36

    190-00906-01 gtx 23 installation manual rev. C page a-1 appendix a construction and validation of structures a.1 static test loading this appendix includes information necessary for testing load-carrying capabilities of equipment mounting structures, such as shelves, mounting plates and mounting bra...

  • Page 37

    190-00906-01 gtx 23 installation manual rev. C page a-2 7. Examine the support structure carefully. If there has been damage or permanent deformation, the structure is not suitable and must be replaced with one that is strong enough to withstand the test loads. Examine all aircraft stringers, bulkhe...

  • Page 38

    190-00906-01 gtx 23 installation manual rev. C page b-1 appendix b shield block installation instructions b.1 shield block installation parts caution disclaimer: this instruction manual assumes skill and knowledge of aircraft harness fabrication techniques. Do not perform this installation if you ar...

  • 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

    190-00906-01 gtx 23 installation manual rev. C page b-3 b.2 shield termination technique – method a.1 (standard) note for the following steps please refer to figure b-l. 1. Attach the shield block(s) (item 2) to the backshell (item 1) by inserting the flathead screws (item 3) through the holes on th...

  • Page 41

    190-00906-01 gtx 23 installation manual rev. C page b-4 3. Connect a flat braid (item 6) to the shield exposed through the window of the prepared cable assembly (item 4) from step 2. The flat braid should go out the front of the termination towards the connector. It is not permitted to exit the rear...

  • Page 42

    190-00906-01 gtx 23 installation manual rev. C page b-5 secondary method: solder a flat braid (item 6) to the shield exposed through the window of the prepared cable assembly (item 4). Ensure a solid electrical connection through the use of acceptable soldering practices. Use care to avoid applying ...

  • Page 43

    190-00906-01 gtx 23 installation manual rev. C page b-6 6. Insert newly crimped pins and wires into the appropriate connector housing location as specified by the installation wiring diagrams. 7. Cut the flat braid (item 6) to a length that, with the addition of a ring terminal, will reach one of th...

  • Page 44

    190-00906-01 gtx 23 installation manual rev. C page b-7 b.3 shield termination technique - method a.2 (daisy chain) in rare situations where more braids need to be terminated for a connector than three per ring terminal it is allowable to daisy chain a maximum of two shields together before coming t...

  • Page 45

    190-00906-01 gtx 23 installation manual rev. C page b-8 at the end of the shielded cable (item 4), strip “quick term min” to “quick term max” (table b-4) length of the jacket to expose the shield. Next trim the shield so that at most 0.35 inches remains extending beyond the insulating jacket. Fold t...

  • Page 46

    190-00906-01 gtx 23 installation manual rev. C page b-9 b.5 shield termination-method b.2 (daisy chain-quick term) in rare situations where more braids need to be terminated for a connector than three per ring terminal it is allowable to daisy chain a maximum of two shields together before coming to...

  • Page 47

    190-00906-01 gtx 23 installation manual rev. C page b-10 b.6 daisy chain between methods a and b in rare situations where more braids need to be terminated for a connector than three per ring terminal and a mixture of methods a and b have been used, it is allowable to daisy chain a maximum of two sh...

  • 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

    190-00906-01 gtx 23 installation manual rev. C page c-1 appendix c interconnect drawings (example only) figure c-1 core interconnect examples gtx 23 p2301 21 42 xpdr circuit breaker 39 xpdr circuit breaker 56 60 58 external ident select mutual suppression i/o see note 3 12 31 rs-232 in 1 rs-232 grou...

  • Page 50

    190-00906-01 gtx 23 installation manual rev. C page c-2 appendix c interconnect drawings (example only) figure c-2 ads-b interconnect examples notes: 1. If the installation does not intend to transmit ads-b information, then none of the connections on this page are necessary. If the installation doe...

  • Page 51

    190-00906-01 gtx 23 installation manual rev. C page c-3 appendix c interconnect drawings (example only) figure c-3 tis display options example gtx 23 p2301 arinc 429 out 2 a arinc 429 out 2 b 30 28 p4001/5001 gns 4xx/5xx 50 arinc in 2a 46 tis connect select 51 11 arinc in 2b annunciate e tis setup t...

  • Page 52

    190-00906-01 gtx 23 installation manual revision c page d-1 appendix 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 ...

  • Page 53

    190-00906-01 gtx 23 installation manual revision c page d-2 appendix d outline and installation drawings figure d-2 gtx 23 connector/standalone rack assembly drawing 115-00629-00 125-00002-00 011-00950-03 note 3 211-63234-11 (2 places) 211-60234-08 (2 places) 330-00053-01 (bnc) or 330-00053-02 (tnc)...

  • Page 54

    190-00906-01 gtx 23 installation manual revision c page d-3 appendix d outline and installation drawings figure d-3 gtx 23 in modular rack, outline drawing 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 .37...

  • Page 55

    190-00906-01 gtx 23 installation manual revision c page d-4 appendix d outline and installation drawings figure d-4 gtx 23 connector/modular rack assembly drawing 115-00438-00 011-00950-03 note 3 211-60234-08 (2 places) 211-63234-11 (2 places) 330-00053-01 (bnc) or 330-00053-02 (tnc) 212-00022-00 nu...