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January 2006

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Technology Discussion at UVM <[log in to unmask]>
Date:
Fri, 27 Jan 2006 12:11:26 -0500
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Quoting John Cooley <[log in to unmask]>:

> Good thought Victor, but the modem, router and switch are connected to a 
> UPS at this location.  The PC is not however.  Rebooting any/all components 
> did not solve the issue.
> 

not many UPS units supply *constant* voltage or reduce noise.  these are the
features paid for in the most expensive units.  the least expensive just have
one feature - switching to battery when the ac goes out.  i also wonder if their
output spikes while switching to battery with micro-outages.

> 
> 
> At 10:09 AM 1/27/2006, you wrote:
> >This is going to sound simplistic, but I wish there was a way to measure
> how
> >much noise and variance there is in the AC. Moving some things onto
> >Constant-Voltage & Noise-Reducing Uninterruptable Power Supplies seems to 
> >solve
> >many intermittant problems.   For example, it be very revealing if one 
> >knew that
> >the connections are dropped during that milisecond when Burlington Electric
> >supplied 98Vac instead of 110.
> 

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