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Connecting and configuring the Sandia STX165R
transponder to the MGL iEFIS system
Please refer to the Sandia Aerospace website for the installation manual. Please take heed of
RF and antenna installation requirements. Ensure that RF cable losses are within specified
limits.
This document specifies how to connect and configure the transponder to work with an MGL
iEFIS.
The transponder has two D-type connectors. The D-15 is used as parallel altimeter encoder
input. This connector is NOT used with the MGL installation and must remain unused.
You will only need to connect the D-9 connector. You will supply power and at least two wires
to connect to your chosen serial port on the iBOX of the MGL EFIS system.
This image shows the required connections (also refer to the Sandia installation manual).
Pin 1
- Avionics power supply, typically 12V (thick red wire in this image)
Pin 2
- connect this to the RS232 transmitter (TX) on the iBOX
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Summary of Contents for Sandia STX165R
- Page 1 Connecting and configuring the Sandia STX165R transponder to the MGL iEFIS system Please refer to the Sandia Aerospace website for the installation manual. Please take heed of RF and antenna installation requirements. Ensure that RF cable losses are within specified limits.
- Page 2 Pin 3 - RS232 ground. See note below Pin 5 - Avionics power supply ground Pin 7 - Connect this to the RS232 receiver (RX) on the iBOX Note on RS232 ground In most installations your EFIS and your transponder would be connected to the same ground point.
- Page 3 Select the serial port that you have connected the Sandia transponder to. For this example we have chosen port 5. The relevant pins on the iBOX are marked T5 and R5 for TX and RX. After you have selected the serial port, please restart your system to enable the new settings.