I thank all who answered my question. I now know some details about the
equipment I was asking about. Where does the following equipment fall in
the European Directives and standards scheme?
It is a loop back device used by telephone company repair people. It allows
"ringing out" telephone wire pairs from a remote distance. A typical use
would be to "alligator clip" this device at local switching hub (building,
neighborhood, etc.) and then to remotely determine which pairs are which.
It has the ability to take commands by touch-tone tones to inject tones
onto the lines (below 3 kHz) and to switch pairs. It runs on a 9 volt
battery and is not intended to be used on a telephone line that is in use.
Thanks again,
Bob Heller
3M Company
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