Download the latest version of the ESU2-400-EMB driver for your computer's operating system. Visitors have downloaded this file "usb716.zip" 30 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows Vista and Windows XP. The total disk space used for this update is 172.9 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
7.167.16 (2007-02-09) via .inf
ESU2-400-EMB
USB Serial Adapter Driver File
Malathy (DG Staff Member) on 5-Mar-2007
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 downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:
Right-click the Start button
Select "Device Manager" from the menu
Locate the device needing the update
Right-click the device and choose "Update driver"
Follow the on-screen prompts to install
Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.
This process helps maintain your system's performance and compatibility with various hardware components.
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 | 9 Feb 2007 |
QTUSBCOM.DLL | 19.8 KB | 12 Aug 2004 |
QTUSBCOM.SYS | 63.6 KB | 2 Dec 2005 |
QTUSBPT2.INF | 4.4 KB | 9 Feb 2007 |
SERQTUSB.VXD | 7.8 KB | 26 Oct 2001 |
cocpyinf.dll | 22.0 KB | 16 Apr 2003 |
history.txt | 19.2 KB | 9 Feb 2007 |
qtucombx.sys | 103.3 KB | 9 Feb 2007 |
qtucomco.dll | 15.4 KB | 22 Feb 2006 |
qtucompp.dll | 43.5 KB | 25 Jan 2007 |
qtucompt.sys | 57.9 KB | 25 Jan 2007 |
qtusbbx2.cat | 12.4 KB | 28 Aug 2006 |
qtusbpt2.cat | 9.8 KB | 28 Aug 2006 |
qtwdmlib.sys | 17.9 KB | 23 May 2005 |
readme.txt | 10.4 KB | 24 Aug 2006 |