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AD824 ID numbers are automatically set by their position in the chain. The first AD824
connected to DME32 is unit #1, and the second AD824 is unit #2, and so on. The IDs have
no relation to the slot number they are plugged into. The ID numbers should be noted and will
be used by the software to address them.
This is the pin configuration for the RS-422 Cable:
Dsub #1
9-pin Dsub Female
Dsub #2
9-pin Dsub Female
2
3
4
5
6
7
8
RX-
TX-
TX+
GND
RX+
RTS
CTS
3
2
6
5
4
8
7
TX-
RX-
RX+
GND
TX+
CTS
RTS
D-sub 1 Signal D-sub 2 Signal
9-pin Dsub Female Connector
1
9
9-Pin Female Dsub Connector (Front View)
RS-422 Serial Cable - Up to 200 Meters in Length
10