John - if you look at EN60950 there is a section on telecom interfaces.
I remember that it classifies telecom circuits as hazardous I believe due to 
the lightening exposure they present.
The surge testing has a nasty long wave form ~ 700uSec because of this.

Chris Wells

>>*Modem Interface - optional (not found on all models)
>>In my view the Modem interface is very hazardous and so the product should 
>>be formally evaluated.
>
> In what way is it hazardous?
>
>> 

-

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