On Oct 13, 2009, at 5:55 PM, Justin Piszcz wrote:

Hello,

I use the following in my ups.conf:

# USB:
[apc]
 driver = usbhid-ups
 port = auto
 desc = "APC 1500VA"
 pollfreq = 5

On NUT 2.4.1 (and some older versions), the pollfreq value determines how often usbhid-ups explicitly requests all of the values; however, the UPS is still free to send interrupt reports at any time within that polling interval, and those reports should be processed more frequently.

Typically, interrupt reports are sent by the UPS when status conditions change, so the reporting delay for something like a power failure should be well below pollfreq.

Was there a particular issue that led you to choose "5" for pollfreq? If so, what version of NUT were you using at the time?

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