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10 Troubleshooting
10.1 The reader does not start up or cannot communicate with a PC.
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Is power supply voltage within the specifications?
Power supply voltage should be DC 5V ± 10%.
If the DC voltage is not within the specified range, the reader may not work
properly and there is a possibility of damaging the reader.
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Is the host port settings the same as the reader port settings?
Make sure the connection and the communication settings (e.g. Baud rate,
Character format, COM port number for RS232C settings).
The reader port is set by the serial command “COMFROM”. If the port is set to
RS232C (COMFROM=0), both way LAN data communication between the
reader and the host would not work.
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Is the format of serial command correct?
Serial commands input are effective in stand-by state.
Add a carriage return code [CR] at the end of the serial command.
Push the Enter key at the end to input the serial command by typing on
Terminal software.
Transmit the serial command ”WSETS” to save the settings to internal flash
memory. If the reader is turned off the power without saving settings, the reader
will start up in the previous settings next time.
An interval of 500ms between each command will avoid unwanted error during
Summary of Contents for TFIR-31LAN series
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