Appendix F: External Interface Drawings (Example Only - Garmin G3X Installation Manual

NOTES:
1. UNLESS OTHERWISE NOTED, ALL STRANDED WIRE MUST CONFORM TO MIL-W-22759/16 OR EQUIVALENT
2. UNLESS OTHERWISE NOTED, ALL SHIELDED WIRE MUST CONFORM TO MIL-C-27500 OR EQUIVALENT
3. UNLESS OTHERWISE NOTED, ALL WIRES ARE 24 GAUGE MINIMUM.
4. SYMBOL DESIGNATIONS
TWISTED SHIELDED SINGLE CONDUCTOR
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED SINGLE CONDUCTOR
SHIELD FLOATS
TWISTED SHIELDED PAIR
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED PAIR
SHIELD FLOATS
TWISTED SHIELDED 3 CONDUCTOR
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED 3 CONDUCTOR
SHIELD FLOATS
5. UNLESS OTHERWISE NOTED, ALL SHIELD GROUNDS MUST BE MADE TO THE RESPECTIVE UNIT BACKSHELLS.
ALL OTHER GROUNDS SHOULD BE TERMINATED TO AIRCRAFT GROUND AS CLOSE TO THE RESPECTIVE UNIT AS POSSIBLE.
6. RS-232 CHANNEL ASSIGNMENTS ARE SHOWN FOR REFERENCE ONLY. CONNECTIONS CAN BE REASSIGNED TO DIFFERENT CHANNELS
OR TO CHANNELS ON AN OPTIONAL SECOND OR THIRD DISPLAY. RS-232 INPUT/OUTPUT LINES SHOULD ONLY BE CONNECTED
TO ONE DEVICE AT A TIME. SEE THE G3X INSTALLATION MANUAL FOR RS-232 INPUT/OUTPUT CONFIGURATION GUIDANCE.
7. RESERVED.
8. CONNECTIONS FOR AUTOPILOT SERVOS, AP DISCONNECT AND OTHER AUTOPILOT FUNCTIONALITY NOT SHOWN. CONSULT AUTOPILOT
VENDOR DOCUMENTATION FOR ADDITIONAL DETAILS.
9. REFERENCE SHEET 5 FOR MORE DETAILED INFORMATION ON CONNECTION OF THIRD PARTY AUTOPILOTS.
10. THE GSU 73 PROVIDES AIR DATA AND GPS INFORMATION TO THE GTX SO NO SEPARATE ALTITUDE ENCODER IS REQUIRED.
THE GTX INPUT SHOULD BE CONFIGURED FOR REMOTE.
11. OPTIONAL INTERFACE.
12. THE GMA 240 IS SHOWN HERE FOR REFERENCE ONLY. OTHER INTERCOM/AUDIO PANEL PRODUCTS MAY BE COMPATIBLE WITH THE
GDU 37X. THE ALERTS GENERATED BY THE GDU 37X CAN BE CONFIGURED TO TRANSMIT ON MONO AND STEREO AUDIO LINES OR
MONO ONLY. SEE THE G3X INSTALLATION MANUAL FOR ADDITIONAL DETAILS ON CONFIGURATION OF THE GDU 37X ALERT OUTPUTS.
13. INSTALLING THE RS-232 CROSS-TALK CONNECTION SHOWN HERE WILL ALLOW FLIGHT PLAN SHARING BETWEEN TWO
GNS 430(W)/530(W) UNITS. THE G3X SYSTEM ALWAYS DISPLAYS FLIGHT PLAN INFORMATION FROM THE ACTIVE NAV SOURCE.
G3X Installation Manual – External Interface Drawings
190-01115-01
APPENDIX F EXTERNAL INTERFACE DRAWINGS (EXAMPLE ONLY)
Figure F-1.1 Notes
TWISTED SHIELDED 4 CONDUCTOR
SHIELD TERMINATED TO GROUND
TWISTED SHIELDED 4 CONDUCTOR
SHIELD FLOATS
GARMIN SHIELD BLOCK GROUND
S
AIRCRAFT GROUND
WIRE SPLICE CONNECTION
COAXIAL CABLE
N/C = NO CONNECTION
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Revision E