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2-4. Usage of Virtual COM Port Driver
After the installation of the drivers, the serial port of the converter can be accessed from
application software in the same way as Windows standard COM port.
[ Precautions for usage ]
*Virtual COM port number is the number shown in the Ports (COM & LPT) items of the
device manager when this converter is connected with PC.
*Soon after the connection of this converter to a USB port or when starting PC, conditions
of RTS and DTR of virtual COM port vary for several seconds depending on the OS.
This situation occurs because of “Plug and Play” recognition procedure of Windows. In
actual use, please confirm the influence for connected devices.
Virtual COM port number and ON/OFF of “Plug and Play” recognition can be changed
from virtual COM port property of device manager. For further detail, please refer to
technical guides of Windows.
