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APC Back-UPS 400

APC Back-UPS 400

Post by &μ??? T??~Chameleon~&μ??? T » Wed, 12 May 1999 04:00:00



I have aquired a UPS 400.

Old and Small but I think the battery is still good.

It has a serial port connector on the back.  How do I use this with
Freebsd?

I assume I need some unix software to do this so BSD can detect when
the power goes down and show me if the battery is low.

Next, can I use a normal (straight through) serial cable for this?

????????????????????????????????????????????????????????????????????
&??? T??~Chameleon~&??? T??
????????????????????????????????????????????????????????????????????

 
 
 
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APC Back-UPS 400

Post by Robert Huf » Wed, 12 May 1999 04:00:00



> Next, can I use a normal (straight through) serial cable for this?

        According to by best information, NO.
        You will need to get a special cable, from APC or a cable vendor.
If you use a standard 9-pin cable, the UPS will immediately
shutdown.

                        Robert Huff

 
 
 
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APC Back-UPS 400

Post by S?ren Klintru » Thu, 13 May 1999 04:00:00


You might want to look at the ports/sysutils page theres a few UPS utils :
http://www.freebsd.org/ports/sysutils.html

just search for ups :)

/S?ren



Quote:

> I have aquired a UPS 400.

> Old and Small but I think the battery is still good.

> It has a serial port connector on the back.  How do I use this with
> Freebsd?

> I assume I need some unix software to do this so BSD can detect when
> the power goes down and show me if the battery is low.

> Next, can I use a normal (straight through) serial cable for this?

> ????????????????????????????????????????????????????????????????????
> &?Yz T??~Chameleon~&?Yz T??
> ????????????????????????????????????????????????????????????????????

 
 
 
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1. APC Back-UPS 400, updated howto for UPS?

I have the UPS howto which has all kinds of conflicting information on
the best way to wire the cable for automated shutdown with APC backups.
I looked around for an updated howto but the latest I can find is 2.42,
18 Nov '97!

Simple shutdown is fine, I'm not too concerned about using the low-batt
signal, I'd rather just time my shutdown and start the countdown as soon
as power is gone.  I experimented some and I get about 5 minutes of
uptime, of course, the computer wasn't doing too much.. :)

Oh, is there a way to set my bios somehow to turn the computer back on
after power is restored?  I have a VIA-503+ mobo with an ATX power
supply.  I'm thinking there is a wake on lan option or something like
that, might be related to APS though..

Thanks!

--
Walter Francis
http://wally.hplx.org                      Powered by RedHat 6.0

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