You are correct; however, if there is a charger to keep the battery charged that plugs into the public utility, conducted emissions test is performed on the charger power cord. This assumes the product may be operated while the battery is being charged. This is my opinion on the subject.
-----Original Message----- From: Jim Eichner <[email protected]> To: 'EMC-PSTC - forum' <[email protected]> List-Post: [email protected] Date: Tuesday, August 11, 1998 3:58 PM Subject: RE: Conducted Emission test on DC powered Equipment >In this discussion I am assuming we are talking about unintentional >radiators under Subpart B. > >My take on it is that ANSI C63.4 is called out for methods only and that >the tests which are mandatory and the limits for those tests are >dictated only by Part 15. If you buy that argument, then there are only >conducted emissions tests on ports that connect to "the public utility >(AC) power line" (section 15.107a) and b)). Furthermore, there is a >paragraph that specifically excludes products that operate off of >batteries only (section 15.107f)). > >Comments/rebuttals??? > >Regards, > >Jim Eichner >Statpower Technologies Corporation >[email protected] >http://www.statpower.com >Any opinions expressed are those of my invisible friend, who really >exists. Honest. > > > > > >> -----Original Message----- >> From: WOODS, RICHARD [SMTP:[email protected]] >> Sent: Tuesday, August 11, 1998 5:59 AM >> To: [email protected] >> Subject: RE: Conducted Emission test on DC powered Equipment >> >> The FCC part 15 rules use the methods of ANSI C 93.4 and that standard >> is >> very clear that all types of power ports are subject to conducted >> emissions >> testing. >> >> > ---------- >> > From: [email protected][SMTP:[email protected]] >> > Reply To: [email protected] >> > Sent: Monday, August 10, 1998 2:31 PM >> > To: [email protected] >> > Subject: Conducted Emission test on DC powered Equipment >> > >> > >> > >> > >> > Hello everyone, >> > >> > Does anyone know if there is any conducted emission test required ( >> In >> > Europe and in the US) on DC powered equipment ( through a Battery) >> such as >> > -48VDC Telecom equipment, something like the En55022 but for DC >> powered >> > products? >> > >> > You help is highly appreciated. >> > >> > Thank you all, >> > >> > >> > Sincerely, >> > >> > >> > Sarmad Albanna >> > Hughes Network Systems >> > >> > >> > >> > >> > >> > >> > --------- >> > 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], 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], 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], 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], or [email protected] (the list administrators).
