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8. Press "TEST START" KEY
9. Test OK 1~8 LED are Green color (Test error the LED appear
Note: TUM232A Support FTDI all USB to RS-232 Chipset & Adapter if use other Chipset test maybe
appear a litter TXD/RXD data loss (Chipset Hardware & Driver compatible bug) but the converter is
maybe ok.
Q & A:
1. PORT A / Port B setting Error :
COM4 Data transfer to COM3
RED).
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