190-01499-10 GTX 35R/45R Installation Manual (Non-Certified Aircraft)Rev. 1 Page iii5 CONNECTOR P INOUT INFORMATION .............................................................................................5-15.1 Main Board Connector - P3251................................................................................................. 5-15.2 ADS-B Board Connector – P3252 (GTX 45R Only)................................................................ 5-45.3 Power......................................................................................................................................... 5-55.4 Altitude Inputs ........................................................................................................................... 5-65.5 Discrete I/O ............................................................................................................................... 5-75.6 Serial Data Interfaces ................................................................................................................5-85.7 Suppression Bus ........................................................................................................................ 5-95.8 Garmin Altitude Encoder ........................................................................................................ 5-105.9 USB Interface .......................................................................................................................... 5-116 P OST INSTALLATION CONFIGURATION AND CHECKOUT .............................................................6-16.1 System Configuration Overview ............................................................................................... 6-16.2 Mounting, Wiring, and Power Checks ...................................................................................... 6-16.3 Configuration Mode and Settings.............................................................................................. 6-26.4 Unit Configuration and Software (Garmin Dealers Only) ........................................................ 6-36.5 Software Installation Procedure (Garmin Dealers Only) .......................................................... 6-57 CONTINUED AIRWORTHINESS ........................................................................................................7-1APPENDIX A GTX X5 M ECHANICAL DRAWINGS ..................................................................................A-1APPENDIX B EQUIPMENT C OMPATIBILITY AND C ONFIGURATION ....................................................... B-1B.1 ADS-B In Displays (GTX 45R Only) ......................................................................................... B-1B.2 GPS Sources ............................................................................................................................. B-2APPENDIX C INTERCONNECT DRAWINGS ..............................................................................................C-1