[Nut-upsdev] Tripp-Lite SMART1500LCDT

Stuart D. Gathman stuart at gathman.org
Fri Aug 5 20:36:43 UTC 2016

On Fri, 5 Aug 2016, Marco Walther wrote:

> On 08/03/2016 05:25 AM, Stuart Gathman wrote:
>>  I've made some progress getting this Tripplite to work:
>>  http://gathman.org/2016/07/30/Standard_Schmandard/
>>  Basically, plug it into a USB hub that actually implements USB2.0, then
>>  power cycle the port when it hangs.  It does seem to be a hardware
>>  problem with the USB controller.
> Finally an idea;-) I had the same problem for a couple of years but since I 
> use a [1st gen] appleTV as the server, I thought it might be it's USB port.
> I bought a `plugable USB2-HUB-AG7' and experimented a bit. So far, I did not 
> get it to turn the power to devices completely off:-( But the unbind/bind 
> seems affect the devices somehow. I tried it with a little Sparkfun RedBoard 
> (Arduino clone) and when I [re]bind, the RX/TX LEDs flash shortly, so it 
> seems to reinitialize it's USB-Serial chip. Maybe that's enough?
> The same TX/RX LED flashing happens with the hub-ctrl power off->on;-)
> OK, the USB hub is now installed between the aTV & USP ;-) Let's see what 
> happens next.

I also bought a USB2-HUB-AG7, but the new black version (of the *same*
model# - arrrrgggghhhh) no longer implements PPPS.  Only the old silver
version does.  What is the point of a model# if you can't count on the

 	      Stuart D. Gathman <stuart at gathman.org>
"Confutatis maledictis, flamis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.

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