Usb Communication; Communication Via Com Connection - Denso BHT-1505B User Manual

BHT-1500B Series

5.3 USB Communication

The BHT can exchange data with the host computer via the USB communication port using a COM or MTP
connection.
Files are transmitted to the host computer over a serial communication in the COM connection while they
are transmitted without a dedicated device driver in the MTP connection.

5.3.1 Communication via COM Connection

1.
Install the Active USB-COM port driver to the host computer.
The Active
(http://www.qbdirect.net/).
Even though our USB device (e.g., CU, scanner) has been used, the Active USB-COM port driver has
been installed, and the USB port has been allocated as a COM port, the USB port is not recognized as a
COM port even by connecting the BHT-900 to the port.
To use the BHT-1500 for COM connection, carry out the following steps in the order:
(1) Remove all of our USB devices from the host computer.
(2) Execute the Setup file of the Active USB-COM driver.
(3) Connect the BHT-1500 to an arbitrary USB port.
(4) Install the USB driver.
For how to install the Active USB-COM driver, refer to the driver installation guide.
2.
Set the USB connection mode of the BHT to the COM. Refer to Chapter 4.5.12 "USB
Communication Settings" for details.
3.
Set the COM communication protocol options of the BHT. Refer to Chapter 4.5.6 [5] "Setting the
communication environment" for details.
4.
Connect the BHT to the host computer with the CU-AU1-15 or Direct cable
CBBHT-US2000/C15-4A.
5.
The device is detected and the Active USB-COM port driver is installed.
━ Po in t ━
Check the COM port number by the device manager. A different COM port number may be

assigned to the same port in the connection of the BHT.
Communication may not be established depending on the connection destination or the cable.

Communication may be interrupted if the BHT is connected using a hub.

 Do not plug in an out the USB cable repeatedly in a short cycle. The host computer may be
locked.
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USB-COM port driver can be downloaded from our QBdirect website