Download and install Quatech, Incorporated QSU-200/300 Quad RS-422/5 Serial Ports driver

QSU-200/300 Quad RS-422/5 Serial Ports is a Multi Port Serial device. This Windows driver was developed by Quatech, Incorporated. The hardware id of this driver is USB/VID_061D&PID_C070; this string has to match your hardware.

1. How to manually install Quatech, Incorporated QSU-200/300 Quad RS-422/5 Serial Ports driver

1. You can download from the link below the driver setup file for the Quatech, Incorporated QSU-200/300 Quad RS-422/5 Serial Ports driver. The archive contains version 7.60 dated 2011-09-30 of the driver.
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3. Start the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is started please confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which will guide you; it should be quite easy to follow. The driver setup wizard will scan your PC and will install the right driver.
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7. When the operation finishes shutdown and restart your PC in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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This driver is digitally signed by the manufacturer.
Download size of the driver: 132969 bytes (129.85 KB)
This driver was rated with an average of 4.1 stars by 81585 users.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. Using DriverMax to install Quatech, Incorporated QSU-200/300 Quad RS-422/5 Serial Ports driver

The most important advantage of using DriverMax is that it will install the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How easy can you install a driver with DriverMax? Let's see!

1. Open DriverMax and click on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your computer.
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3. Take a look at the list of driver updates. Scroll the list down until you locate the Quatech, Incorporated QSU-200/300 Quad RS-422/5 Serial Ports driver. Click on Update.
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5. Enjoy using the updated driver! :)
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