SkyView System Installation Guide - Dynon Avionics

SV-XPNDR-26X Installation, Configuration, and TestingElectrical ConnectionsHarness ConstructionBecause the SV-XPNDR-26X can be mounted in a variety of locations, the harness lengthrequirements will vary from airplane to airplane. Therefore, Dynon Avionics does not supplypre-manufactured harnesses for the SV-XPNDR-26X. Instead, your SV-XPNDR-26X shipped withenough connectors and pins to generate a wide variety of harness configurations. Refer to thesections below for detailed wiring information. Note that your connector kit may contain a1.21K resistor. This is only used for SV-XPNDR-26X installations that incorporate a certified GPSreceiver for ADS-B Out functionality.If you do not own a D-sub machined-pin crimping tool, they can be obtained for under $50 frommany retailers. See http://wiki.dynonavionics.com/Tools_not_supplied_by_Dynon for knownsources of these products. You may also find it helpful to own a pin insertion/extraction tool aswell.Additional harness construction and wiring information can be found in Appendix C: Wiring andElectrical Connections.The SV-XPNDR-26X has a single D25 female connector which provides the data and powerinputs to the transponder. A single TNC coaxial connector attaches to the antenna.SV-XPNDR-26X Interface – Pinout (Female D25)Pin Function Notes1 Loopback 1 Connect to Pin 22 Loopback 1 Connect to Pin 13 GPS Serial InputCertified GPS Only for ADS-B Out (seeexplanation below)4 No Connect -5 Transponder Serial RX Data Input from SkyView6 No Connect -7 Transponder Serial TX Data Output to SkyView8 No Connect -9 No Connect -10 No Connect -11 No Connect -12 Loopback 2 Connect to Pin 1313 Loopback 2 Connect to Pin 1214 Ground Connect to Aircraft Ground11-4 SkyView System Installation Guide - Revision O