This article provides instructions on how to download the latest driver of your QSU2-400 Quad RS-232/422/485 Serial Ports driver adapter.
NOTE: Make sure your computer has an active Internet connection. If your computer is plugged into the router and cannot get online, disconnect it from your router and plug it directly into your Cable or DSL modem.
As there are many drivers having the same name, we suggest you to try the Driver Tool, otherwise you can try one by on the list of available driver below.
Please scroll down to find a latest utilities and drivers for your QSU2-400 Quad RS-232/422/485 Serial Ports driver.
Be attentive to download software for your operating system.
Description: QSU2-400 Quad RS-232/422/485 Serial Ports driver setup Version: 4.2.8 Date: 09 Sep 2014 Filesize: 0.81 MB Operating system: Windows XP, Visa, Windows 7,8 (32 & 64 bits)
Filename: 0b2f3917ffde288e33599e412c164215.zip Version: 007.020 Date: 2007-03-05 Filesize: 131.57K Operating system: Windows XP,Vista, Windows 7, Windows 10