Harness Schematic for Sandia STX-165R and uAvionix EchoUAT ADS-B

Harness Schematic for Sandia STX-165R and uAvionix EchoUAT ADS-B

Attached is the schematic for connecting both the uAvionix EchoUAT ADS-B and the Sandia STX-165R Remote Mode C Transponder.

The RS-232 wires from the STX-165R can be connected to any channel on the iBox or any channel on the iEFIS Lite or iEFIS Extender.

The RS-232 wire from the EchoUAT (ADS-B TX) must be connected to a high speed RS-232 RX channel (either channel 1 or channel 2 on the iBox or ANY RS-232 channel on the iEFIS Lite or iEFIS Extender).

Read this article for setup instructions.


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