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? > >> - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________

