User's Guide

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device, connect the power cable of RS232 device to 5V/9V/12V power output on interface 1.
2. Go to “General -> Serial” of ToolBox software or “Setting -> Serial Setting” to enable RS232
and configure serial port settings. Serial port settings should the same as RS232 terminal
devices.
Parameters
Description
Interface 2(Pin 1)
5V/9V/12V
Enable 5V/9V/12V power output of interface 2 to supply power to RS232
terminal devices continuously. Only UC501 supports this feature.
Note: Power output is 12V by default and you can change DIP switches to
change voltage.
Baud Rate
300/1200/2400/4800/9600/19200/38400/57600/115200 are available.
Data Bit
8 bit is available.
Stop Bit
1 bit/2 bit are available.
Parity
None, Odd and Oven are available.
Port
The port used for RS232 data transmission.
4.3.3 GPIO Settings
1. Connect devices to GPIO ports on interface 2.
2. Go to “General -> GPIO” of ToolBox software or “Setting -> GPIO Setting” to enable GPIO port.