LAN ports are not connected to outdoor cables, but in terms of the 802.3 spec they should have no problem surviving the surge.
Regards Doug --- Gemma Paolo <[email protected]> wrote: > Last version of EN 301 489-1 version 5 is know in line with > CISPR/EN500024. > > The test level for telecommunications ports, intended to be > directly connected to the telecommunications network via > outdoor cables, shall be 1 kV line to ground as given in EN > 61000-4-5 [11], however, in telecommunications centres > 0,5 kV line to ground shall be used. In this case the total > output impedance of the surge generator shall be in accordance > with the basic standard EN 61000-4-5 [11]. > The test generator shall provide the 1,2/50 µs pulse as > defined in EN 61000-4-5 [11]. > > > This version was just published by ETSI the 16 of November > 2004. > > Paolo > > _________________________________________________ > > Paolo Gemma > > Siemens Mobile Communications S.p.A. > > SMC PG MW ST EMC & Safety > > SS Padana sup. KM 158 20060 Cassina de' Pecchi (MI) Italy > > phone +39 02 9526 6587 fax +39 02 9526 6375 > > mobile +39 348 3690185 > > e-mail [email protected] > > _________________________________________________ > > > > > -----Messaggio originale----- > > Da: Carpentier Kristiaan > [mailto:[email protected]] > > Inviato: mercoledì 24 novembre 2004 15.27 > > A: Gemma Paolo; [email protected]; [email protected] > > Oggetto: RE: Definition of Telecommunication port > > > > > > Paolo, > > > > I agree with you that ethernet port shall be tested for > Cond. > > emission but it is strange to see that the immunity standard > > CISPR24/EN55024 only requires SURGE testing on telecom ports > > connected to outdoor cabling while EN301489-1 makes no > > differences between telecom ports connected to indoor or > > outdoor cables for SURGE testing. Do you know if Ethernet > > ports are also excluded from Surge testing if EN301489-1 is > > applied ? Regards, Kris > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]]On Behalf Of Gemma > Paolo > > Sent: woensdag 24 november 2004 14:55 > > To: [email protected]; [email protected] > > Subject: R: Definition of Telecommunication port > > > > > > The last definition in CISPR 22 is: > > 3.6 > > telecommunications/network port > > point of connection for voice, data and signalling transfers > > intended to interconnect widelydispersed systems via such > > means as direct connection to multi-user telecommunications > > networks (e.g. public switched telecommunications networks > > (PSTN) integrated services digital networks (ISDN), x-type > > digital subscriber lines (xDSL), etc.), local area networks > > (e.g. Ethernet, Token Ring, etc.) and similar networks NOTE > A > > port generally intended for interconnection of components of > > an ITE system under test (e.g. RS-232, IEEE Standard 1284 > > (parallel printer), Universal Serial Bus (USB), IEEE > Standard > > 1394 ("Fire Wire"), etc.) and used in accordance with its > > functional specifications (e.g. for the maximum length of > > cable connected to it), is not considered to be a > > telecommunications/network port under this definition. > > > > > > A ethernet interface is a telecommunication port if the > > interface is a real ethernet interface in line with IEEE > > standards, there is no limitation on the lenght of cable. > The > > questions is not on the number of Equipment attacched to the > > network but on the lenght of the wire/network. Ciao paolo > > > > _________________________________________________ > > > > Paolo Gemma > > > > Siemens Mobile Communications S.p.A. > > > > SMC PG MW ST EMC & Safety > > > > SS Padana sup. KM 158 20060 Cassina de' Pecchi (MI) Italy > > > > phone +39 02 9526 6587 fax +39 02 9526 6375 > > > > mobile +39 348 3690185 > > > > e-mail [email protected] > > > > _________________________________________________ > > > > > > > > > -----Messaggio originale----- > > > Da: [email protected] > > > [mailto:[email protected]] Per conto di > > > [email protected] > > > Inviato: martedì 23 novembre 2004 23.40 > > > A: [email protected] > > > Oggetto: Definition of Telecommunication port > > > > > > > > > In EN55022 / CISPR 22 the definition of a > telecommunication port is: > > > > > > "Ports which are intended to be connected to > telecommunication > > > networks (e.g. public switched telecommunication networks, > > integrated > > > digital networks), local area networks (e.g. Ethernet, > > Token Ring) and > > > similar networks". > > > > > > We have an ITE with an Ethernet port to communicate with a > > PC or many > > > PCs. Do we here talk about an Ethernet LAN and therefore > is our > > > Ethernet port classified as a telecommunication port? > > Intended use for > > > our equipment is for consumer and Small Office, Home > Office (SOHO). > > > > > > The reason for asking is that conducted emission and surge > > apply for > > > telecommunication port under the standard EN 301 489-1. > > > > > > Thanks. > > > > > > Regards > > > Amund Westin, > > > Oslo / Norway > > > > > > > > > > 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/listserv/request/user> > -guide.html > > > > > > > > > List rules: > > > http://www.ieee-pses.org/listrules.html > > > > > > For help, send mail to the list administrators: > > > > > > Ron Pickard: [email protected] > > > Scott Douglas [email protected] > > > > > > For policy questions, send mail to: > > > > > > Richard Nute: [email protected] > > > Jim Bacher: [email protected] > > > > > > All emc-pstc postings are archived and searchable on the > web at: > > > > > http://www.ieeecommunities.org/emc-pstc > > > > > > > This message is from the IEEE Product Safety Engineering > Society > > emc-pstc discussion list. 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