Here's an example of an experience I had with a Cyberpower UPS, model
BC1285C, in May, 2006:
http://www.kr1st.com/bc1285c.htm
The web page only describes a personal experience. This does not mean I
advocate against the use of Cyberpower UPS devices.
In this case the RFI/TVI was propagated via the power cable. I also took a
series of pictures showing the effect of VHF snap-on cores on the power
cable on the TVI I was experiencing (not on the web page). If I remember
correctly, it took 12 cores to get rid of the interference.
I replaced this UPS with an APC XS 1200 that has served me very well with
zero RFI/TVI.
73,
--Alex KR1ST
http://www.kr1st.com
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