Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uunet!munnari.oz.au!wcc!tom From: tom@wcc.oz (Tom Evans) Newsgroups: comp.dcom.lans Subject: Re: Why Ethernet-over-twisted-pair RFI emissions. Keywords: Ethernet, twisted pair, cost-benefit Message-ID: <505@wcc.oz> Date: 5 Dec 89 05:15:12 GMT References: <4645@blake.acs.washington.edu> <693@rsiatl.UUCP> <843@n3dmc.UU.NET> Organization: Webster Computer, Melbourne, Australia Lines: 25 In article <843@n3dmc.UU.NET>, johnl@n3dmc.UU.NET (John Limpert) writes: > In article <693@rsiatl.UUCP> jgd@rsiatl.UUCP (John G. De Armond) writes: > > Is anyone besides me concerned about the RFI/EMI vulnerabilities > of twisted pair? I see enough problems with non-existent or poor > shielding in current business/consumer electronics equipment. > Is your LAN going to collapse every time someone keys up their > radio? Is your LAN going to blanket the area with RF garbage? 1. Has anyone actually _MEASURED_ the RFI emissions from UTP - 10BaseT? 2. Isn't this the FCC's business? Shouldn't they have something to do with it, or is it "you installed it - your problem"? --------- Tom Evans tom@wcc.oz.au | Webster Computer Corp P/L | "The concept of my 1270 Ferntree Gully Rd | existence is an Scoresby VIC 3179 Australia | approximation" Australia | 61-3-764-1100 FAX ...764-1179 | D. Conway 2109 O'Toole Avenue, Suite J SAN JOSE CA 95131 - 1303 CALIFORNIA 1-408-954-8054 FAX 1-408-954-1832