In addition to the new GR-63 that came out (and there are already clarifications supplied by Telcordia, based on industry queries - call Rich Kluge), Telcordia is now amending GR-1089 (November time frame) with some drastic changes: 1. Ferrites are being banned from cables leaving the test chamber during radiated emissions/immunity (filters allowed) 2. EFT added
Read the standards (the conference was good as a primer), talk to a competent lab and prepare $$$: NEBS is not a cheap proposition. The photos shown by Verizon about the fate of 140 West St CO (that stood next to #7 WTC building) shows the importance of NEBS to such a disaster. Regards, Naftali Shani, Catena Networks (www.catena.com) 307 Legget Drive, Ottawa, Ontario, Canada K2K 3C8 613.599.6430/866.2CATENA (X.8277); C 295.7042; F 599.0445 E-mail: nsh...@catena.com -----Original Message----- From: Garry Hojan [mailto:gho...@regulatory-compliance.com] Sent: Wednesday, October 09, 2002 11:04 PM To: Gary McInturff; Jim Eichner; EMC-PSTC - forum Subject: RE: Newcomer to NEBS Hi Jim, In addition to looking for a competent test house, if you are going to be dealing with Verizon, make sure that the test house is approved by Verizon as an ITL. Their *Verizon's* requirements, from both a scrutiny and monetary standpoint, have unfortunately reduced the number of choices you will have. Also, it is always recommended to have the blessing of the test plans by the RBOCs prior to going through the entire process (it always amazes me that this is rarely done). This can and will reduce your post test headaches. Just another 2 cents. Best regards, Garry Hojan www.regulatory-compliance.com Watch for our soon to be released "NEW and IMPROVED" website. -----Original Message----- From: owner-emc-p...@majordomo.ieee.org [mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Gary McInturff Sent: Wednesday, October 09, 2002 7:36 AM To: Jim Eichner; EMC-PSTC - forum Subject: RE: Newcomer to NEBS Seems simple enough request but for every reference I'm going to give you someone will point out that some RBOC or other has different requirements, and they will be quite correct. In fact AT & T actually calls its documents NEDS not NEBS. The NEBS conference is going on this week and a new issue of GR-63 is coming out, but Verizon has already said they would reject it. This is typical of the process so be prepared to deal with it. The is a document SR-3580 Network Equipment-Building System (NEBS) Criteria Levels A Module of NEBSFR, FR-2063. That theoretically defines these requirements - but Verizon objects to them and places their own requirements on the different classifications for class 1 through 3. The other RBOCS have some heartburn with it as well, but it may at least be a starting point. Very basically there are really only two practical types for switch and routing equipment. Level 1 for co-locations inside RBOC facilities where the RBOCs are required to provide space and power to competitors. and level 3 for Central office locations - (the RBOCs themselves own the equipment). Next you have to worry about earthquake ratings etc, zones 1 through 4. No really much sense, in my opinion, of doing anything less than level 4. The RBOC's have pretty large areas of operation and they all have zone 4 areas. So unless you are planning on restricting where you equipment goes you'll need to go to level 4. You're going to have to sit down with the standards and a good test house to get this all straight Jim, and then you'll only be close. You have to deal with NEBS (Purchase the FR-2063 CD referenced about and it contains GR-63, GR-1089 the SR-3580 document and GR-78 - grab a beer a do some light reading, and then discuss deviations with a good test house. There are slight differences for SBC, AT &T, and Verizon just wonders around on their own. Verizon has it requirements on its website, as does AT&T 802-010-100 but you'll have to dig around on their web site as I don't have the URL's at the moment. Gary -----Original Message----- From: Jim Eichner [mailto:jim.eich...@xantrex.com] Sent: Tuesday, October 08, 2002 5:46 PM To: 'EMC-PSTC - forum' Subject: Newcomer to NEBS I'm starting up the learning curve on NEBS compliance, and am looking for any web resources or articles that would have a management-level primer on the requirements. All I know is that it covers EMC, safety, and environmental, there are different levels (1, 2, and 3?), and different potential customers disagree on what level we need to have. We need to understand the basic differences between these levels, how much testing is involved for each level, and what the cost might be. Of course we are going to get our hands on the standard(s) and study them, but in the meantime a primer would be very useful. We would also consider seminars if there's something close by the Pacific northwest. Thanks, Jim Eichner, P.Eng. 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