Download the latest version of the ESU2-400-EMB driver for your computer's operating system. This version of "usb720.zip" is rated (5 out of 5 stars) based on 12 downloads and 4 reviews. The uploader reports that this update will work successfully on PCs running Windows Vista and Windows XP. The total disk space used for this update is 134.7 KB.
ESU2-400-EMB
DSU-100 Dual RS-232 Serial Ports
DSU-200/300 Dual RS-422/485 Serial Ports
DSU2-100 Dual RS-232 Serial Ports
DSU2-400 Dual RS-232/422/485 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
Windows Vista, Windows XP, Windows 2000
7.207.20 (2007-03-05) via .inf
ESU2-400-EMB
USB Serial Adapters
Driver File
Karthikkumar (DG Staff Member) on 11-Dec-2008
To get the ESU2-400-EMB 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 ESU2-400-EMB 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 ESU2-400-EMB. It is a software utility which automatically finds and downloads the right driver.
After you get your new driver, you need to put it on your computer. On Windows, there's a tool called Device Manager that helps with this. It shows you all the parts of your computer and the drivers they use. To finish setting up the new driver, you'll probably need to turn your computer off and on again.
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.
The following files are found inside the driver download file.
Name | Size | Date |
---|---|---|
QTUSBBX2.INF | 9.4 KB | 5 Mar 2007 |
QTUSBPT2.INF | 4.4 KB | 5 Mar 2007 |
cocpyinf.dll | 22.0 KB | 16 Apr 2003 |
history.txt | 19.3 KB | 5 Mar 2007 |
qtucombx.sys | 103.3 KB | 5 Mar 2007 |
qtucomco.dll | 15.4 KB | 5 Mar 2007 |
qtucompp.dll | 43.5 KB | 25 Jan 2007 |
qtucompt.sys | 57.9 KB | 5 Mar 2007 |
qtusbbx2.cat | 15.0 KB | 12 Mar 2007 |
qtusbpt2.cat | 12.4 KB | 12 Mar 2007 |
qtwdmlib.sys | 17.9 KB | 23 May 2005 |
readme.txt | 10.4 KB | 24 Aug 2006 |