Quatech QSU2-400-EMB Driver Download (Official)
Download the latest version of the QSU2-400-EMB driver for your computer's operating system. This version of "usb716.zip" is rated (5 out of 5 stars) based on 285 downloads and 10 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.
Supported Models
QSU2-400-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
Manufacturers
Supported Operating Systems
Windows Vista, Windows XP, Windows 2000
File Name
Versions
7.167.16 (2007-02-09) via .inf
Additional Notes
QSU2-400-EMB
USB Serial Adapter Driver File
Uploaded By
Malathy (DG Staff Member) on 5-Mar-2007
Device Hardware IDs
How to Update QSU2-400-EMB Device Drivers
Step 1 - Download Your Driver
To get the QSU2-400-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 QSU2-400-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 QSU2-400-EMB. It is a software utility which automatically finds and downloads the right driver.
Step 2 - Install Your Driver
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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 | 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 |