User`s manual

UPort 1200/1400/1600 Series User’s Manual Driver Installation
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Advanced Settings
Serial transmission applications use names such as COM3 and COM4 to identify COM ports.
Unfortunately, most USB-to-serial products are unable to use fixed COM names on the host PC.
This means the names of the COM ports change when the USB-to-serial device is plugged into a
different USB port, either on the same or a different PC, forcing the user to reconfigure the COM
names manually from within the application. Moxa’s UPort™ 1200/1400/1600 USB-to-serial
converters have two advanced features that allow them to use fixed COM names when the user
enables the COM port.
With Moxa’s COM Preserver™ function or fixed-base COM mode, the COM names remain on the
UPort™ device. Moreover, the COM Preserver™ function can even create the same COM port
names on a different host PC. With this feature, you do not need to modify application programs,
or rebuild the entire project every time you install a new operating system or upgrade the computer.
Don’t worry about moving the UPort™ from one USB hub to another, or even from one computer
to another.
COM Preserver – Driver Setting Management
UPort provides one special function to help you manage the UPort settings. In the general case,
you need write down all the settings including COM number to prevent them from being lost. In
some applications, to clone multiple systems you also need to worry about how to clone the COM
Port settings. Using the UPort COM Preserver function, you just need to save all the settings into
UPort device directly– just like a USB Mass Storage device. You do not need to record it using
additional paper or disk. If your host crashes, you can just install the driver into new host, plug the
original UPort and click the Restore button to restore all settings back very quickly.
NOTE
If you want to use these settings in another PC, be sure the PC has a free COM port available.
Otherwise, the new settings will copy over the settings of a COM port that is already in use.
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