Dry And Wet Contact Digital Input (Cn23) - Asus AAEON ACP-1104 User Manual

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2.3.6 Dry and Wet Contact Digital Input (CN23)

Chapter 2 – Hardware Information
RS-232
DSR
RTS
GND
TX
RX
DCD
CTS
DTR
RS-422
RX+
TX+
TX-
RX
RS-485
DATA+
DATA-
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