Have you tried googling the therms "Tripp lite G1010USB ubuntu". From the results, it looks like it is supported and there are utilities for you to determine status. Disclaimer: I have no personal experience with this. -Dale > Yep, that is my experience as well. Back in the day, one needed to install > software on the OS to process those notifications. I believe [hope] some > of those are built-ins based on standards. > > I know for sure that Ubuntu still has apcupsd in the repositories (and > still installed from my previous UPS) to support some? APC UPS devices and > powstatd for some Cyberpower units, one TrippLite model and "various older > APC units". There is also nut ("Network UPS Tools (NUT) is a client/server > monitoring system that allows computers to share uninterruptible power > supply (UPS) and power distribution unit (PDU) hardware. "). > > On Wed, Dec 21, 2011 at 11:17 AM, Kevin Fries wrote: > > > At least in any commercial operation I have worked in, this is the way > > that it worked: > > > > * power comes in from the wall to the unit > > * the unit then supplies power to the computer via the battery > > > > This way, when there is a power failure, there is no loss of power to > > the device. Generally most UPS units I have worked with, have protected > > and unprotected ports. Therefore, if anything is plugged into the > > unprotected ports, those devices will simply shut down on power loss. > > > > On loss of power from the wall, power is continued to be supplied to the > > protected devices until the battery power level drops below some value. > > On higher end units, this value is configurable, on cheaper units, it is > > prefixed at time of manufacture. Once the power level drops to the > > critical level, it will then signal the protected device that its > > shutdown is eminent, allowing the software to begin an orderly shutdown > > of its own. > > > > I have even seen some high end units, have a two level protection, where > > it will first signal that it is on battery allowing for dropping of cpu > > power levels, dimming displays, and stuff like that. It does that in an > > attempt to extend the battery life as long as possible. > > > > Only on the cheapest of units should a UPS begin an immediate shutdown, > > and that is because it does not have the AMPs to last very long, so any > > loss of wall power puts the unit into a critical configuration > > immediately. > > > > Hope that helps > > Kevin Fries > > > > > > > > On Wed, 2011-12-21 at 11:03 -0700, Dazed_75 wrote: > > > > > > > > > On Wed, Dec 21, 2011 at 10:47 AM, Lyle Tuttle > > > wrote: > > > At 10:36 AM 12/21/2011, Dazed_75 wrote: > > > > The manufacturer states rather strongly that unplugging the > > > > UPS is a BAD way to test it since that also removes the > > > > ground circuit. So far, my best idea is to go out to the > > > > electrical box and flip the relevant circuit breaker off. > > > > > > > > The point though, is even that only tests the UPS. I would > > > > need to leave it off long enough for the UPS to request (via > > > > that USB cable) that the computer do an orderly shutdown > > > > which could take 30 minutes or more. > > > > > > > > > Whoa! > > > > > > My understanding is that when a power failure occurs, the UPS > > > takes over supplying power immediately - and also signals the > > > system to shut down in an orderly fashion....the 30 minutes > > > you mention, IMHO, deals with the amount of time the UPS would > > > run the system if it did not shut down > > > > > > Good point although I don't think it should immediately tell the > > > computer to shut down either. What the manual says is "can connect > > > your UPS to a computer in order to automatically save open files and > > > shut down the computer if it is left unattended during an extended > > > power failure" (emphasis added). This makes me think the notification > > > would be issued by the UPS after battery power dropped to some level > > > or estimated time remaining since the OS would have no clue how much > > > battery time remained. > > > > > > - on my system, by utilizing various power outlets on the UPS, > > > I can somewhat control WHAT components shut down right away. > > > > > > What if you plug the UPS into a switchable power strip - then > > > turn it off? > > > > > > > > > Another good point, that should retain the ground connection. Eric > > > made the same suggestion. > > > > > > > > > > And worse, I would not know if a non-event meant a failure > > > > on the part of the UPS signaling system or the Linux side > > > > not making use of the signal event since I still have no > > > > idea what to check for. > > > > > > > > I bring all this up because my last UPS failed to protect > > > > the computer so now I am paranoid about it. > > > > > > > > On Wed, Dec 21, 2011 at 8:27 AM, Alex Dean > > > > wrote: > > > > > > > > > > > > > > > > On Dec 21, 2011, at 2:06 AM, Dazed_75 wrote: > > > > > > > > > I just put in a replacement UPS (Tripp-Lite > > > > G1010USB) and connected the USB cable. I see that > > > > Ubuntu 10.04 does see it but I have no idea how to > > > > tell if it will actually pay attention if the UPS > > > > ever tells it to shut down. Short of a power > > > > failure, how can one know? > > > > > > > > Unplug the UPS from the wall? > > > > --------------------------------------------------- > > > > PLUG-discuss mailing list - > > > > PLUG-discuss@lists.plug.phoenix.az.us > > > > To subscribe, unsubscribe, or to change your mail > > > > settings: > > > > > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > > > > > > > > > > > > > > > > > > --------------------------------------------------- > > > > PLUG-discuss mailing list - > > PLUG-discuss@lists.plug.phoenix.az.us > > > > To subscribe, unsubscribe, or to change your mail settings: > > > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > > > > > > > > --------------------------------------------------- > > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > > To subscribe, unsubscribe, or to change your mail settings: > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > > > > -- > Dazed_75 a.k.a. Larry > > Please protect my address like I protect yours. When sending messages to > multiple recipients, always use the BCC: (Blind carbon copy) and not To: or > CC:. Also remove all of the addresses from the message body before > forwarding the message. These simple measures prevent spy programs from > capturing the addresses shown in the recipient list and the message body. > > -=-=-=-=-=- > [Alternative: text/html] > -=-=-=-=-=- > -=-=-=-=-=- > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > -=-=-=-=-=- --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss