[rescue] Network aware power switch?

Paul paul at techcenter3000.com
Sat Dec 20 18:08:15 CST 2003

Have you looked at your UPS? I've got a 2200VA MGE Pulsar, and it can be
told via serial or network conenction to individually power on/off 4 of the
6 outlets. I used a simple  2 plug 'pigtail' to each of the 4 and each
outlet controls 1 raid+cpu setup.

Since you _might_ already have this, it would be hard to beat the price. For
the cost of some of those 'power controllers', you could probably buy 2
UPS'es with power control. Look into it, you might get extra bang for the


----- Original Message ----- 
From: "Dieter Montanez" <dieter at plantcomputers.com>
To: "The Rescue List" <rescue at sunhelp.org>
Sent: Saturday, November 22, 2003 10:36 PM
Subject: Re: [rescue] Network aware power switch?

> This one is more close to Jochen's construction ... though pricy !!
> http://www.dataprobe.com/control/coe8.html
> Dieter
> Jochen Kunz wrote:
>   On 2003.11.22 16:05 brooke wrote:
>     Anyone know of a network aware power switch? (Something where power
>     can be killed/popped on remotely)
>   Is there a machine near the thing that you want to switch?
>   I solved this by connectiong the input of a solid state relais to the
>   DTR line of a terminal server. If I connect to the serial port DTR
>   becomes active, switching power on via the solid state relais. When I
>   disconnect DTR gets droped and the power is shut off. You need a solid
>   state relais because the DTR line doesn't deliver enough power for a
>   mechanical relais.
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