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UPS Monitor

This page is divided in two sections, the APC UPS Status table and APC UPS Response strings. UPS monitoring is only available for APC uninterruptible power supplies with USB connection which are compatible with APC’s smart protocol library package. Please note the UPS Monitor library is included by default just in Mega-VPN and AIO builds.

(more info at )

In order to be able to have a successful connection, please first enable USB 1.1 support (OHCI) and Run APCUPSD Deamon on USB Support configuration page.


APC UPS Status

The table shows UPS model name, status, charge level, line voltage, load, estimated run time.


APC UPS Response

The list of strings has all the information retrieved from UPS.


This information is the same as in other tools (e.g. apcupsd utility daemon for controlling APC UPSes on a local network windows machine,


UPS daemon log

For debugging purposes, included below is a snippet for UPS Monitoring successful startup log entries.


nas-ups.txt · Last modified: 2022/12/08 13:11 by rioachim