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3 — Ventilation valve
4 — external antenna port
2.3.1 Interface description
Picture 2-3 Power supply & communication port aviation port number chart
Aviation plug signal definitions
Chart 2-1 Power & communication interface signal definition
PIN
Description
PIN definition
9
Power supply GND
PGND
8
Power supply GND
PGND
7
24V power positive
+24V
6
24V power positive
+24V
5
NC
NC
4
NC
NC
3
NC
NC
2
Ethernet port
TD-