[Nut-upsuser] NUTDRV_ATCL_USB driver on Windows

Charles Lepple clepple at gmail.com
Tue Apr 14 00:41:17 UTC 2015

On Apr 13, 2015, at 6:56 AM, Humberto Möckel <hamberthm at gmail.com> wrote:

> Hello again! I'm the guy from the blazer_usb shutdown problem the other day. Now I moved on installing the system in another work PC with another kind of rebranded UPS. This ups is a double battery 1000VA "UPS" brand. Device identifies itself as "ATCL FOR USB" on device description. Blazer_usb seems to identify it as compatible but fails at sending commands.

Yes, unfortunately there are several broken UPS models which all report VID:PID 0001:0000. The worst part is that there are now at least two with the string "ATCL FOR UPS" that are not compatible with each other.

Here is the other thread: http://thread.gmane.org/gmane.comp.monitoring.nut.user/8808/focus=8839

> Further reading took me to the NUTDRV_ATCL_USB driver that seems to be specifically for my type of UPS. The problem is it isn't present in the Windows port of NUT. ¿What can I do?

I would recommend testing on a Linux box first to determine whether the nutdrv_atcl_usb or the new nutdrv_qx will handle your UPS properly.

Charles Lepple
clepple at gmail

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