MD41 Series Annunciation Control Unit | 28V, Vertical, Garmin 903483000 The other port (J2) is

The other port (J2) is DC blocked and loaded with a 200Ω resistor to simulate antenna current draw which prevents antenna alarm faults

and timers

This 71450 Series LED instrument post light assembly (EDMO# 71450B23) is a 28 VDC unit with white LED lighting and a short post

This antenna features a single navigation output that can be used in conjunction with signal diplexers to achieve the desired avionics signal input

MD41 Series Annunciation Control Unit | 28V, Vertical, Garmin 903483000 The other port (J2) isThe MD41 is a compact, self contained Annunciation and Control Unit (ACU). The fully integrated control unit provides annunciation and mode selection for Global Positioning System (GPS) Satellite Based Augmentation System (SBAS) navigators. This series of the MD41 product family is specifically designed to work with the Garmin GTN 6XX 7XX series WAAS navigator systems and derivatives with equivalent functionality. It combines the necessary functions