Hi Pat, LPS means "limited power source" per 60950 Clause 2.5; this is the basis of my question.
Don 561 912 6440 From: pat.law...@slpower.com [mailto:pat.law...@slpower.com] Sent: Wednesday, March 25, 2009 12:14 PM To: Umbdenstock, Don Cc: emc-p...@ieee.org Subject: Re: PoE injectors Hi Don, What does 'LPS' mean in this context? Pat Lawler EMC Engineer SL Power Electronics Corp. "Umbdenstock, Don" <djumbdenst...@tycoint.com> wrote on 03/25/2009 07:23:54 AM: > I have perused the IEEE 802.3af explanation on various web sites and > examined supplier specs. I came to the conclusion that the injector > should be LPS certified and marked as such. However, most of the > injectors I have found by web search do not indicate LPS. > > Does anyone believe that a PoE injector does not require LPS certification? > If so, why not? > > Regards, > > Don Umbdenstock > Manager Compliance Engineering > > Tyco Safety Products / Sensormatic > 6600 Congress Avenue > Boca Raton, FL 33487 USA > Phone: 561.912.6440 > djumbdenst...@tycoint.com - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ 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 <emcp...@ptcnh.net> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher: <j.bac...@ieee.org> David Heald: <dhe...@gmail.com>
