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3.2.1 Setting up the USB-COM interface
Using the USB-COM interface requires installing the Active USB-COM port driver provided by DENSO WAVE to
the host computer. The driver does not come with the scanner in a CD-ROM. It can be downloaded for free from our
website at:
http://www.qbdirect.net
The file downloaded contains the setup file for the driver and the installation guide. Install the Active USB-COM port
driver in accordance with this installation guide. For the latest information, refer to the manual that comes with the
driver.
Notes for installing and using the Active USB-COM port driver
The driver should be installed with administrative permission (Administrator Login).
The driver does not contain a Microsoft digital signature. Therefore, do not block installation of drivers containing
no signature with the driver's signature option or local policy's security option.
The driver allows hot plugging or unplugging of a USB device even during communication (when the COM port is
being opened); however, the communications data when the USB device is disconnected will be lost.
The driver always serves as a virtual serial port even if a USB device is unplugged, so the driver always occupies a
COM port number.
The driver cannot coexist with conventional Denso USB-COM device drivers in a host computer. In the installation
procedure, the Active USB-COM port driver requires uninstalling the conventional ones.
Installing the driver on a single host computer more than one time enables more than one USB device to be used.
However, the uninstaller of the Active USB-COM port driver uninstalls previously installed drivers, not
individually but all at once.
Installation procedure
For the installation procedure, refer to the Active USB-COM Port Driver Installation Guide attached to the
downloaded driver.
The driver installation procedure consists of two processes: installation of the serial port driver to be performed before
connection of the USB device (scanner) and installation of the USB driver to be performed following connection of
the USB device.
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