The serial port expander plays a key role in expanding the connection in the central control host, which can expand the device compatibility and ensure that the system can connect more devices.
Features and function：
· 8-channel RS-232 and 4-channel RS-485 control expansion interface.
· Each output port can be set baud rate and other parameters with control protocol.
· Data output port can be specified according to functional requirements.
· 1 RS-232 serial port input, 1 RS-232 serial port ring out.
· 1 network port, can network connected devices for control.
· AC100V~240V international universal power supply and voltage regulator system.
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