Active USB extension issues

Gorbash12346

Gorbash12346

Gorbash12346

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Joined
21 Nov 2012
Posts
127
Location
Glasgow
I'm looking for some help with an active USB extension I need to run. Distance is about 20-25M going from a desktop to a Pipe welding control box.
The issue I'm having is that when i run the device at short distance (regular 3M cables) it recognises the device no problem (USB to serial converter type) however when I add in the active extension cable it will pick up the device before stating it does not recognise it and won't let me install a driver to suit. The extension definitely works as I can plug in USB sticks etc no problem.

I've tried running a cat 6 cable wired in to USB connectors to try and check if Passive would work but I think the distance might be too high.
I've also tried another cable just in case but no change.
eventviewer seems to be suggesting it might be some kind of security authorisation preventing it?

Any suggestions?
 
If USB storage devices are working but the desired device is not, my first suspect would be power;

- Does the USB extension have a power input at the device end (and is it connected to power :P )?
- Do you know what the power requirements of the device are?
 
For the cost of some of the powered USB over Cat5 extenders, another option could actually be to get a Mini PC (HP Mini/Dell Micro/Lenovo Tiny), mount it next to the welding control box, and then remote into that PC?
 
My first thought would have been power as well. Flash drives are very low powered, so can probably stretch that far, anything else would be a no-no without providing independent power.
 
You didn't say what extension cable you're using. It wouldn't happen to be an optical one would it? Those are typically USB 3 only, which means that USB 2 devices won't work at all, and some USB 3 devices that also use the USB 2 wires will not work properly.
 
Hi sorry for the slow reply. It's not an optical cable just needs to be usb2.0. the device it's plugging into has it's own 100V power supply so all good there. I tried adding in a powered USB hub in case the desktop (it's old) didn't have a high enough current output but no joy.
We are considering running into rs232 as we already have cabling in place for a datalogging device that uses this. Just seems odd that the device isn't recognised. Is there some sort of security protocol if the device has a little more latency or something?
 
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