[Nut-upsuser] [EXTERNAL] trying to talk to TrippLite SMX1500LCD using RPI & NUT

Kirk Bocek t004 at kbocek.com
Tue Nov 24 17:59:15 GMT 2020

Yes, I found a spare USB A to B cable and swapped it out. Same results.

Serial number is 3021EY0SM886901200

On 11/24/2020 9:37 AM, David Zomaya wrote:
>>> Yes I have one that *completely* dropped off. Nothing in lsusb. The unit
>>> worked intermittantly when first installed. Then the USB interface just
>>> disappeared even after power cycling the unit. I've been lazy about
>>> calling tech support.
> This means no USB activity at all -- and not a bad USB cable or port -- correct?
> If so, obviously probably not fixable on the software-side BUT I'd be curious to know the serial number and if you have in fact narrowed it down to a completely dead USB port on the UPS.
> Thank you,
> David Zomaya
> Tripp Lite
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