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List:       linux-ppc
Subject:    Re: UPS's and LinuxPPC
From:       Sriranga Veeraraghavan <ranga () CSUA ! Berkeley ! EDU>
Date:       1999-10-31 0:20:18
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Hi,

I'm not sure about APS but most of the other mid-range UPS's have a
SNMP module that you can attach to the serial port.

When the input voltage drops to a particular threshold, the SNMP
module can send your LinuxPPC (or any machine) a SNMP trap.  All you
have to do is to listen for these traps on udp port 162 and trigger
the appropriate action.

I believe that the CMU/UCD SNMP package used to have a snmp trap
reciever as part of the example code. It would be simple to extend
this to handle the specific traps sent by a UPS.

HTH,

----ranga <ranga@soda.berkeley.edu>

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