[Nut-upsuser] Tripp Lite SMART1500LCD repeatedly disconnecting and reconnecting

Sam Varshavchik mrsam at courier-mta.com
Tue Dec 10 03:20:54 GMT 2019

Layne Fowler writes:

> On Mon, Dec 9, 2019 at 12:58 AM Marco Walther  
> <<URL:mailto:marco at sonic.net>marco at sonic.net> wrote:
>   > Lite information I can help with, let me know.
>    We had that discussion about the SMART1500LCDT  & USB a long time ago:-( I


>    bought mine in 2013 (still going strong on the second set of batteries)
>    and in August 2016 we had some discussions about the USB disconnects.

I junked mine. I couldn't get it to talk to nut, reliably. Dumb thing kept  

>    I now use an USB hub which can turn it's ports off via software commands
>    and when my Linux box (Odroid X2 - ARM) looses the connection, it
>    basically cycles the USB port of the UPS and then it can connect again.

At the time I also looked at a USB hub that can, somehow, be commanded to  
bounce the ports under software control. I could not find anything, at that  

Life was too short. I ditched that UPS, just salvaged its batteries. Its USB  
ports are defective.

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