Posts tagged ‘UPS’

UPS Transfer Time Measurement

Most offline/line interactive UPS‘ (Uninterrupted Power Supply) have a transfer time between 5 to 15 milliseconds. In this post, I will show you the results of the measured switch-over performance of my APC Back-UPS XS1500 and the technique I used. Continue reading ‘UPS Transfer Time Measurement’ »

Sporadic Server Reboots – UPS Service Glitch

Recently, my web server has been down sporadically for no apparent reason. Continue reading ‘Sporadic Server Reboots – UPS Service Glitch’ »