doc:appunti:hardware:ups_apc
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doc:appunti:hardware:ups_apc [2022/10/26 21:35] – [APC Back-UPS CS 500 on Debian 11] niccolo | doc:appunti:hardware:ups_apc [2022/10/27 19:37] – [Using APC UPS on Debian GNU/Linux] niccolo | ||
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+ | ====== Using APC UPS on Debian GNU/Linux ====== | ||
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+ | 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. | ||
+ | * A **DSL router**. | ||
+ | * An **8 ports switch**. | ||
+ | |||
+ | All the equipments drawn about **62 W** during daily operation. In several years I tested the following two APC UPSs: | ||
+ | |||
+ | * In 2006 I purchased an **APC Smart-UPS 750 USB**. | ||
+ | * In 2022 I purchased an **APC Back-UPS CS 500**. | ||
+ | |||
+ | 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** to the above system (which the USP itself senses as a 16% load); doing battery calibration with the '' | ||
+ | |||
====== APC Smart-UPS 750 USB ====== | ====== APC Smart-UPS 750 USB ====== | ||
- | L' | + | L' |
Installare il pacchetto **apcupsd**. Per visualizzare convenientemente lo stato dell' | Installare il pacchetto **apcupsd**. Per visualizzare convenientemente lo stato dell' | ||
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< | < | ||
- | BATTERYLEVEL | + | BATTERYLEVEL |
MINUTES 8 | MINUTES 8 | ||
</ | </ | ||
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^ New battery date MM/ | ^ New battery date MM/ | ||
- | |||
| 08/ | | 08/ | ||
| 11/ | | 11/ | ||
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| 10/ | | 10/ | ||
- | ====== APC Back-UPS CS 500 on Debian 11 ======= | + | ====== APC Back-UPS CS 500 ======= |
- | The UPS unit is equipped with a **single user-replaceable battery** sized **151 x 65 x 97.5 mm**, terminals are **Faston F2** type (6.35 mm), the battery is rated **12 volt 7.0 Ah**, | + | The UPS system was configured on a **Debian 11 Bullseye**, it is equipped with a **single user-replaceable battery** sized **151 x 65 x 97.5 mm**, terminals are **Faston F2** type (6.35 mm), the battery is rated **12 volt 7.0 Ah**, |
Install the **apcupsd** Debian package. Once connected to the USB port, the GNU/Linux kernel 5.15 will log the following (through **dmesg**): | Install the **apcupsd** Debian package. Once connected to the USB port, the GNU/Linux kernel 5.15 will log the following (through **dmesg**): | ||
Line 208: | Line 224: | ||
Select function number: | Select function number: | ||
</ | </ | ||
+ | |||
+ | The two most important functions are the **#10 battery calibration** and the **#12 self-test interval**. Battery calibration must be initiated with a fully charged battery and the normal load (it should be above 10%); it will end when battery drops below about 25%. Unfortunately it seems that the **Back-UPS CS 500** model does not support the **periodic self-test**, | ||
+ | |||
+ | ^ New battery date (MM/ | ||
+ | | 04/ | ||
+ | |||
====== Voltaggio batterie ======= | ====== Voltaggio batterie ======= | ||
doc/appunti/hardware/ups_apc.txt · Last modified: 2022/11/02 17:49 by niccolo