With IPHost Network Monitor you can run simple snmp requests against a APC device in your network.
errorCondStartTimeStr
error Cond Start Time Str
1.3.6.1.4.1.5528.100.1.100.5.1.1.5
The start time of the error condition, as ISO date-time formatted string (UTC).
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IPHost Network monitor allows you to monitor errorCondStartTimeStr on APC device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring APC uninterruptible power sources right now.