Dynon Avionics EFIS-D10A Installation Guide - Manual (Page 105)

Appendix
EFIS-D10A Installation Guide 7-33
directly to your switched avionics power. Ensure that all avionics power is off before performing
the wiring step of this installation.
If
trobe signal or a D4 pin, leave these pins unconnected. your Altitude Transponder has either a s
Transponder Pin Encoder Converter
Wire Color
A1 Yellow
A2 Green
A4 White with Blue
B1 Blue
B2 Orange
B4 White with Red
C1 White with Green
C2 White
C4 White with Black
Power (10V-30V) Red
Gnd Black
Strobe Signal No Connection
The Gray code output of the Encoder Converter reports altitude not adjusted for barometric
pressure, as required by FAA specification. The altitude reported by the EFIS-D10A encoder
will always m
when the BARO value is set to 29.92 inHg.
r
onverter and your EFIS-D10A is appropriate. Add or remove wire length if needed or
re
X and the EFIS-
Ground, which are green (or red) and black respectively, and 2 feet in length. Connect these
w
harness.
atch the altitude shown on screen
STEP 2: CONNECTING TO THE EFIS-D10A
Before wiring connections to the EFIS-D10A check to ensure that the wire length between you
Encoder C
desired. Customizing the wire length will facilitate an installation that is both cleaner and more
secure.
The only pins of interest on the EFIS-D10A connector for the Encoder Converter installation a
pins 13 and 21. The two wires exiting the Encoder Converter are the EFIS-T
ires to the EFIS-D10A 25-pin female
Ensure that your EFIS-D10A is powered off. Then connect the black EFIS Ground wire to pin
21. Then, connect the green wire to pin 13 (Serial Encoder Transmit) on the EFIS harness.
EFIS
DB25
Pin#
Dynon EFIS
harness color
Encoder Converter
Wire Color
Function