[Nut-upsuser] MACOSX-UPS Client/Server Communications Issues

Charles Lepple clepple at gmail.com
Wed Jul 29 02:10:44 UTC 2015

On Jul 28, 2015, at 12:13 PM, AIYL <adliyanes at gmail.com> wrote:

> Before contacting Synology and Netgear/Readynas, I’d prefer to make sure that the NUT UPS Server has been setup correctly and that the “experimental” MACOSX-UPS driver is equivalent to a standard “usb” driver in terms of server/client communications.

I flagged it "experimental" because the UPS-to-driver interface is not as robust as USB or serial, but that shouldn't affect the upsd-to-NAS connection. Once the driver starts, and assuming the UPS is not disconnected, things should work similarly to other drivers.

Gracefully handling disconnection is a known issue for the macosx-ups driver, and it is also known that the information provided by OS X is less detailed than what you would get from usbhid-ups on a non-OSX system. Hopefully the latter is not causing an issue: the NAS should not be relying on anything other than "ups.status" and possibly a few other variables.

Charles Lepple
clepple at gmail

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