Hello Diaco, As you can see from all the responses to your question, you have received many contradictory answers! As the Israeli member of the IEC 950 WG7 Committe, I would like to provide you with the correct answer. However, I would first need you to provide me with details of what a DAA modem is.
Best Regards, Date sent: Thu, 08 Oct 1998 12:29:28 -0700 To: [email protected] From: Diaco Davari <[email protected]> Subject: Crepage/Clearance On Telecom Modem design Send reply to: Diaco Davari <[email protected]> > Hello Folks, > > Does anyone know what the crepage distance shall be across the isolation > from the line side to modem side within the DAA of Modems? > > Which document/standard refers to this specific spacing in detail ? > > I have been told by local experts on EN60950 that I need 4.2 mm spacing > across the isolation. Apparently I do not need to have the spacing on the > top of the board in alignment (or registration) with the spacing on the > bottom of the board. > > Regards, > > Diaco > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
