Hello Diaco It depends on which countries you're targeting, but I would have thought that 1.5 mm would be adequate for most European countries that are using EN60950 amendment 4.
Regards Barry Esmore ---------- > From: Diaco Davari <dav...@pmc.philips.com> > To: emc-p...@majordomo.ieee.org > Subject: Crepage/Clearance On Telecom Modem design > Date: Friday, 9 October 1998 5:29 > > 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 majord...@ieee.org > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to ed.pr...@cubic.com, > j...@gwmail.monarch.com, ri...@sdd.hp.com, or > roger.volgst...@compaq.com (the list administrators). > --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to ed.pr...@cubic.com, j...@gwmail.monarch.com, ri...@sdd.hp.com, or roger.volgst...@compaq.com (the list administrators).
