[time-nuts] Power Back-up

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Aug 9 17:10:55 UTC 2009


In message <1214.12.6.201.198.1249837157.squirrel at popacctsnew.quik.com>, "J. Fo
rster" writes:

>There are even purpose built battery backup supplies available for running
>oscillators, receivers, and such. Sadly, the NiCds tend to be bad and are
>quite expensive to replace.

Industrial units are available of all kinds, they are used for
security and emergency kit such as intrusion alarms, fire alarms,
emergency lightning etc.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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