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I. Preparation for Use
Before using USB232/485×, please make sure your computer is IBM PC compatible and
meets minimum system requirements below:
(1) Intel compatible 486DX4-100 MHz CPU or higher
(2) A standard USB interface (4-pin), marked with
(3) Windows 98/Me or Windows 2000/XP/Vista operating system, etc.
Notices:
(1) Before using the product, please read carefully the operation instructions thereof.
(2) Before using USB232/485×, it is suggested that you shut down computer and make
equipment ground point connected with ground reliably to minimize damage to your
system from electrostatic and surge signals on communication line (if used for general
purpose, it may not be connected with ground).
(3) The USB port of USB232/485× must be connected with computer and can not be
connected with any other device with USB interface, such as digital camera, scanner,
printer, etc.
II. Product Description
1： Description of USB232 product
USB232 is an industrial control intelligent converter of USB to RS232.
After the driver program of USB232 is installed, a virtual serial COM port will be formed
automatically in your computer system. For example, your computer has both COM1 and COM2
serial ports originally, and after UC driver program is installed, a virtual COM3 port will be
formed automatically (generally speaking, it is like this; concrete COM port number is allocated
automatically by virtual driver program). If your computer has no RS-232 interface (e.g. relatively
new notebook computer), a virtual COM1 port will be formed automatically after the driver
program is installed.
The virtual COM port from USB232 driver program and the original COM port from
computer are the same for application software. As long as your application software can map (or
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