Quatech DSU-200 Driver Download (Official)
Download the latest version of the DSU-200 driver for your computer's operating system. This update - "usb590.exe" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 27 times. It is compatible with PCs running Windows Vista and Windows XP, among other operating systems. The total disk space used for this update is 225.9 KB.
Supported Models
DSU-200
DSU-100 Dual RS-232 Serial Ports
DSU-200/300 Dual RS-422/485 Serial Ports
ESU-100 Eight RS-232 Serial Ports 1-4
ESU-100 Eight RS-232 Serial Ports 5-8
ESU-200/300 Eight RS-422/485 Serial Ports 1-4
ESU-200/300 Eight RS-422/485 Serial Ports 5-8
HSU-100 Sixteen RS-232 Serial Ports 01-04
Manufacturers
Supported Operating Systems
Windows Vista, Windows XP, Windows 2000, Windows ME, Windows 98
File Name
Versions
5.905.90 (2006-02-22) via .inf
Additional Notes
DSU-200
USB Serial Adapter Driver File
Uploaded By
Malathy (DG Staff Member) on 5-Mar-2007
Device Hardware IDs
Related Driver Updates
How to Update DSU-200 Device Drivers
Step 1 - Download Your Driver
To get the DSU-200 driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Quatech DSU-200 into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Quatech DSU-200. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
Installing your newly downloaded driver is a straightforward process. Windows provides a dedicated tool called Device Manager for this purpose. Follow these steps to update your driver:
Access the Quick Access menu by right-clicking the Start button.
From the menu options, choose "Device Manager".
Within Device Manager, identify the device requiring the driver update.
Open the context menu for the device by right-clicking its name.
Select "Update driver" and proceed through the guided installation.
To complete the process, reboot your computer. This ensures the new driver is fully integrated into your system.
Regular driver updates contribute to optimal system performance and hardware compatibility.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| QTUSBBX2.INF | 7.9 KB | 14 Mar 2006 |
| QTUSBCOM.DLL | 19.8 KB | 12 Aug 2004 |
| QTUSBCOM.SYS | 63.6 KB | 2 Dec 2005 |
| QTUSBPT2.INF | 4.1 KB | 20 Mar 2006 |
| SERQTUSB.VXD | 7.8 KB | 26 Oct 2001 |
| cocpyinf.dll | 22.0 KB | 16 Apr 2003 |
| history.txt | 17.3 KB | 11 Apr 2006 |
| qtucombx.sys | 93.7 KB | 22 Feb 2006 |
| qtucomco.dll | 15.4 KB | 22 Feb 2006 |
| qtucompp.dll | 37.9 KB | 22 Feb 2006 |
| qtucompt.sys | 57.9 KB | 22 Feb 2006 |
| qtusbbx2.cat | 11.5 KB | 3 Apr 2006 |
| qtusbpt2.cat | 8.9 KB | 3 Apr 2006 |
| qtwdmlib.sys | 17.9 KB | 23 May 2005 |
| readme.txt | 9.8 KB | 14 Apr 2003 |