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RS-485 Operation Mode Flow
Charts
RTS Control Mode
The IC-485AI operates in RS-485 RTS Control Mode when
both SW7 and SW8 are set to OFF.
In this mode, RTS is pulled high when the computer makes
a request to send data.
Start
RTS=0
Send
RTS=1
Send
Data
Complete
NoYe s
Receive
Receive
Data
Complete
No
No
Ye s
No
Ye sYe s