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(1) On the LEX and REX, check that the Power, Activity, Link and Host LEDs are on. If the Host or Link
LEDs are permanently off, then the cabling between the LEX and REX may not be installed
properly or is defective.
(2) For Windows users (XP, 7, 8, 8.1, 10), open Device Manager to confirm that the DIGI-USB2
extender system has been installed correctly. Expand the entry for Universal Serial Bus
controllers by clicking the "+" sign. If the extender system has been installed correctly, you
should find it listed as a "Generic USB Hub".
NOTE: To open Device Manager in Windows XP:
Right click "My Computer" then select: Properties >> Hardware tab >> Device Manager
NOTE: To open Device Manager in Windows 7:
Open the Start Menu, right click on "Computer" then select: Manage >> Device Manager
NOTE: To open Device Manager in Windows 8, 8.1 or 10:
Right click the Start Menu and then select: Device Manager
(3) For macOS users, open the System Profiler to confirm that the DIGI-USB2 Series extender
system has installed correctly. In the left hand column under Hardware, select "USB" and
inspect the right hand panel. If the extender has been installed correctly, you should find it listed
as a "Hub" under the USB High-Speed Bus/USB Bus.
NOTE: To open System Profiler in macOS:
Open the Finder, select Applications, then open the Utilities folder and double click on the
System Profiler icon.
(4) If the DIGI-USB2 Series extender system is not detected correctly or fails to detect, please
consult the Troubleshooting section in this guide.
Compatibility
The DIGI-USB2 complies with USB 1.1 and USB 2.0 specifications governing the design of USB devices.
However, there is no guarantee that all USB devices will be compatible, as there are a number of
different factors that may impact the operation of USB devices over extended distances.
Troubleshooting
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