Garmin GDU 37X Installation Manual page 9

Figure 3-20. Skin Cutout Detail, ARINC 743 Footprint Antenna, Skin Thickness
0.051" to 0.063" ................................................................................................................... 3-20
Figure 3-21. Doubler Installation, ARINC 743 Footprint Antenna, Skin Thickness
0.032" to 0.049" ................................................................................................................... 3-21
Figure 3-22. Doubler Installation, ARINC 743 Footprint Antenna, SkinThickness
0.049" to 0.051" ................................................................................................................... 3-21
Figure 3-23. Doubler Installation, ARINC 743 Footprint, Skin Thickness
0.051" to 0.063" ................................................................................................................... 3-22
Figure 3-24. Installation of ARINC 743 Footprint Antenna .............................................. 3-22
Figure 3-25. Generic Non-structural ARINC 743 Footprint Antenna Installation............. 3-23
Figure 3-26. Example Bracket Antenna Mounting Under Glareshield .............................. 3-24
Figure 3-27. Example Non-structural Antenna Mounting Under Glareshield .................. 3-25
Figure 3-28. Example Teardrop Antenna Installation In Airframe Under Fabric Skin..... 3-26
Figure 3-29. Example ARINC 743 Footprint In Airframe Under Fabric Skin.................. 3-26
Figure 3-30. Example Non-structural Antenna Mounting On Airframe ........................... 3-27
Figure 3-31. Example Teardrop Footprint Antenna Mounting Under Fabric Skin ........... 3-28
Section 4 Software, Configuration, Databases, and XM Activation ..............4-1
Section 5 Post-Installation Checkout Procedure .............................................5-1
Appendix A GDU 37X Pinouts.........................................................................A-1
Figure A-1 View of J3701 Connector from Back of Unit .................................................. A-1
Appendix B Connector Installation Instructions ...........................................B-1
Figure B-1 Shield Install onto a Jackscrew Backshell (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-9
Figure B-6 Method B.2 (Daisy Chain-Quick Term) for Shield Termination .....................B-10
Figure B-7 Daisy Chain between Methods A and B .........................................................B-11
Figure B-8 Method C.1 Double-Shield Termination.........................................................B-12
Figure B-9 Method C.2 Double-Shield Termination.........................................................B-13
Figure B-10 D-Sub Spliced Signal Wire illustration .........................................................B-14
Appendix C Outline and Installation Drawings .............................................C-1
Figure C-1.1 GDU 37X Outline Drawing ............................................................................C-1
Figure C-1.2 GDU 37X Panel Cutout Drawing....................................................................C-2
Figure C-2.1 GA 55/55A Installation Drawing ....................................................................C-3
Figure C-2.2 GA 56 Installation Drawing ............................................................................C-4
Figure C-2.3 GA 57X Installation Drawing .........................................................................C-5
Appendix D Interconnect Drawing (example only)........................................D-1
Figure D-1.1 GDU 37X Interconnect Drawing ................................................................... D-1
Figure D-1.2 GDU 37X Interconnect Drawing ................................................................... D-2
190-01054-01
Rev. D
GDU 37X Installation Manual
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