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40
4 Pin interface
at the back
Corresponding
port
4 pin line sequence(from top to bottom)
RS232
COM1
pin1-5V, pin 2-GND, pin 3-TXD, pin 4-RXD
RS232
COM2
pin1-5V, pin 2-GND, pin 3-TXD, pin 4-RXD
RS485
COM3
pin1-5V, pin 2-GND, pin 3-A, pin 4-B
SBUS IN
SBUS 2
Pin1- GND, pin 2-5.5V, pin 3-SBUS
9.2 Aviation Plug Output Instruction
T40 without communication version is with 1 channel of LAN signal, 2 channels
of SBUS signal and 1 channel of RS232 signal to communicate with external
devices.
T40 with communication version, 4-Pin LAN port no output; among 6-Pin port, 2
channels of SBUS signal and 1 channel of RS232 signal to communicate with
external devices.
Aviation Plug
4pin is LAN port, 6pin is 2*SBUS signal and RS232 signal.
The internal line sequence of the aviation plug is as follow:
LAN port line sequence
SBUS signal or RS232 signal line sequence