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@firefox USB-HID is the standard UPS protocol for USB. It is supported by a wide range of manufacturers.
Here is a link to the NUT usbhid-ups driver page which should give you an idea of how widespread it is.
Here is a link to the APC document describing their implementation.In short, if it's not HID compliant, neither APCUPSD or NUT using the usbhid-ups driver is going to work with it over usb.
There are a couple of other usb based drivers offered by NUT, but these tend to be more unusual these days. See the NUT hardware compatibility list here for more info. I do see a couple of Advice UPSs on the list--they use the blazer_usb driver. You might give that a try. If that doesn't work, I think you are out of luck.
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S stephenw10 moved this topic from pfSense Packages on
