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Questions tagged [apc]

APC by Schneider Electric, formerly American Power Conversion, is a maker of electrical hardware, focused on, and best known for their uninterruptible power supply (UPS) product lines.

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Is APC's smart-signaling cable (940-0024) really proprietary?

First, not sure if this question belongs here or SU, so please advice accordingly before wildly down-voting or blasting me. We have a UPS unit for which we recently configured to work on our network. The UPS unit uses an AP9606 network card, but…
Chad Harrison
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APC Smart UPS serial connection on Windows Server 2012 R2

I have an APC UPS 620 and a Windows Server 2012 R2 (non virtual) server. The server and the UPS are connected with genuine APC serial signaling cable. Without installing any software the APC is not recognized as a device in the Device Manager. Is…
Csaba Toth
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AP8941 PDU frozen, how to reset management interface?

I have a frozen AP8941 PDU. It still produces power to its outlets, but I can't serial in, ethernet in and even the LCD is frozen. How do I reset it without losing power on the outlets? (I prefer a simple reboot of the management interface than a…
Charlie Wilson
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How to detect APC UPS battery usage and run a script when on battery

I have a couple APC UPS - Smart-UPS RT 6000 RM XL Smart-UPS RT 5000 RM XL Unfortunately the power in my office likes to go out (out of my control) and hence the equipment powered by these UPS shuts down. They power a VMware infrastructure…
Andy Arismendi
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PDU management interface has low availability - product flaw or isolated issue

Our colocation provider has supplied us with APC AP7932 switched 0U PDUs as part of several cabinets they provide us. We have had a lot of trouble with the network management aspect of these PDUs, which I'll describe below. We are moving to cage…
HikeOnPast
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APC UPS Powerchute | "The installer is unable to locate an APC battery"

Under Windows 10, I connected an APC UPS via USB. In case of a power failure, the servers are shut down by a script. Installing the APC Powerchute I get the error message The installer is unable to locate an APC battery .... The software can not be…
marsh-wiggle
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What is the difference between the "Write" and "Write+" modes on an APC SNMP card?

I'm configuring a UPS to be controllable via SNMP and have come across to options: Write mode Write+ mode I've tested both settings and only Write+ works for me so it's what I'll have to use. I'm interested to know what exactly Write+ enables as…
Matt
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Logrotation performance

One question about logrotation on a dedicated webserver (64gb RAM) with apache and mysql. In high load hours (2k users online every moment) we are experiencing a strange behaviour. As an example, at 16:30 we have 1850 users, low ram utilisation…
OmegaMy
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APC UPS -> Windows SNMP

We have an APC UPS. I want a Windows 2012 R2 server to shutdown on a power breakdown (and the remaining power lasts for e.g. 15 minutes). Therefore the UPS should send a message to all servers via SNMP. I think this should be possible. Is there an…
C.M.
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APC Switched PDU: group outlets on different PDU's

We have newer gen 2 switched PDU's and I noticed that they have an ability to daisy chain the PDU's. I can see that dasily chaning allows us to have a central access point for the PDU's which is nice. The one thing my team and i were thinking and…
Eric C. Singer
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apcupsd vs NUT in Proxmox environment

I have a Proxmox node which is actually is HP Proliant DL 320e G8 server + APC SmartUPS 750 connected directly to the server by usb cable. On the host are running several Linux VMs. My question is - which software are better for graceful shutdown…
powerthrash
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Two APC Symmetra LX 16kVA into one common output?

We have 2x APC symmetra LX 16kVA units running at the moment and have read (in Eaton's documentation) that their UPSs can have a common synchronised output (based on input phase or set phase with a master/slave clock type arrangement) -…
Myles Gray
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Shutdown Multiple Servers From One APC USB Port - Power loss event

I've got one Ubuntu box and a Synology NAS. Both are connected to the APC UPS, but only one USB, which is connected to the Ubuntu box. How, specifically, can I get both machines to shut down from a power loss event from one APC USB port?
GisMofx
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APC Smart-UPS turning off by itself?

I have an APC Smart-UPS 3000. Last Sunday, it turned off by itself. Noone was in the office and noone was logged in at the time it happened. What could cause this ? I'm concerned it may happen again. The log show the outputs "has been commanded to…
uski
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apcupsd commok event fires where there was no commfailure

I have an openSUSE Tumbleweed host connected by USB to an APC Back-UPS NS1080G. For the most part everything works fine and apcupsd keeps track of the status. But lately every few weeks it fires the commok event without having fired the…
ShadSterling
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