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--- doc:appunti:hardware:ups_apc [2022/10/27 19:35] – [Using APC UPS on Debian GNU/Linux] niccolo
+++ doc:appunti:hardware:ups_apc [2022/10/27 19:37] – [Using APC UPS on Debian GNU/Linux] niccolo
@@ Line 1: / Line 1: @@
 ====== Using APC UPS on Debian GNU/Linux ======
-My home server system is powered through an UPS unit, the system is composed of the following:
+My home-server system is powered through an UPS unit, the system is composed of the following:
   * A **Dell PowerEdge T110** with two 4 Tb hard disks, running Debian GNU/Linux.
@@ Line 14: / Line 14: @@
 Both units support monitoring through an **USB cable** and the **apcupsd** program, it seems that the Back-UPS CS 500 does not support the periodic self-test.
-The **APC Back-UPS CS 500** should be able to supply power for about 30 minutes; doing battery calibration with the **apctest** tool, it took about 10 minutes to drop from 100% battery charge to 70%.
+The **APC Back-UPS CS 500** should be able to supply power for about **30 minutes** to the above system (which the USP itself senses as a 16% load); doing battery calibration with the ''apctest'' tool, it took about 10 minutes to drop from 100% battery charge to 70%.
 ====== APC Smart-UPS 750 USB ======