mejimbo
join:2003-10-05
| Power loss notification by e-mail I need something that will send me an e-mail when the power goes off. It can be very basic, plug into a standard 110 power outlet and a network jack, configure the mail setting and when the power goes out send me an e-mail. Of course the network will continue to work when the power goes out "for a limited time" on batteries. This device could have it's on battery or a second AC plug "hooked to UPS bank" for power to send the message.
Does this exist? I want cheap and easy, nothing fancy.
I know some UPS models have USB communication ability and with the proper software, I might be able to use one of these, but is there a stand along piece of hardware for this? | |
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AnOldDog
@kaballero.com
| Re: Power loss notification by e-mail ... all day at the base of a tower makes AnonDog AnOldDog...
We use something called a "Canary". It is a simple router, switch, or WiFi AP that you run at a site and you don't provide it with battery backup.
Ping it, until it quits and you know that there is no power at that site, if you can still ping the stuff on backup power.
-m- | |
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 | mejimbo
join:2003-10-05
| Re: Power loss notification by e-mail said by AnOldDog :
... all day at the base of a tower makes AnonDog AnOldDog...
We use something called a "Canary". It is a simple router, switch, or WiFi AP that you run at a site and you don't provide it with battery backup.
Ping it, until it quits and you know that there is no power at that site, if you can still ping the stuff on backup power.
-m-
We have a winner! So simple, but yet I didn't think of it... We already have a monitoring system that pings the network, adding this device will be easy. I try to make things to complicated sometimes. Thanks! | |
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battleop
join:2005-09-28
00000
| We do something similar. We have a bunch of old Cisco 1900 switches. I put an IP in one and stick it at a site. If it goes down I remote into the router at that site and use "sh env all" and if one power supply is down then I know the power is out. | |
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prairiesky
join:2008-12-08
Springstein, MB
| I bought one, but it's been sitting on my shelf. It's called IP Power
They have a few different models. The one I purchased has 8 outputs and 8 inputs. It reads them and can email you upon a change.
I was going to take a 5V or so transformer plug it into the non UPS side. Then plug the device into the back up side. When the power goes out, that 5V goes to 0 and sends you an email. CAn be made pretty cheap, roughly 100 bucks plus you then have some controls through it to aswell as access through a web browser | |
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Airnode
join:2006-09-01
Germany
| if you UPS is from APC and your Router is a Mikrotik you can install
a ups monitoring pakage. look here »www.mikrotik.com/testdocs/ros/3.0/ha/ups.php
you can also send a mail ore sms via script if a ups alarm is detected.
Thats how i do it ... | |
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public
join:2002-01-19
Santa Clara, CA
 ·DSL EXTREME
| said by mejimbo  :I know some UPS models have USB communication ability and with the proper software, I might be able to use one of these, but is there a stand along piece of hardware for this? Get a management card for an apc smartups, and email alert is one of the options. | |
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TomS_
debugger it
Premium,MVM
join:2002-07-19
Australia
| If your UPS is half decent you should be able to connect it to the network, and poll certain OID(s) via SNMP to determine the state of the mains supply.
Or you may be able to use a script to "screen scrape" its web interface to pull out information if SNMP is not available, or the information is not easily locatable within SNMP.
I use both methods with some of my gear.
Otherwise, the canary idea is pretty much fool proof. If you can no longer ping it theres only a very limited number of things that can be wrong. | |
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SuperWISP
join:2007-04-17
Laramie, WY | We do this in the most boneheaded way possible. We attach a 5V power supply to one of the handshake lines on the server's parallel port, and run a little program that polls the I/O port. | |
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shorthairedp
join:2005-11-21
united state
| we use APC smart ups, the network card will send out SNMP trap or email/page as you want, works great, but it sends out alot of pages.
If youre running SNMP monitoring, you can set it to alert if the status value =1 (online) 4(i think)(on battery) | |
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keefe007
Premium
join:2004-02-24
Germantown, WI | How about the PacketFlux Sitemonitor? Its under $100. | |
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