Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!ames!haven!adm!lhc!nih-csl!helix.nih.gov!merike From: merike@helix.nih.gov (Merike Kaeo) Newsgroups: comp.dcom.lans Subject: Re: fiber-optic question Message-ID: <730@nih-csl.nih.gov> Date: 13 Dec 90 16:56:14 GMT References: <116.2765f002@vax1.cc.lehigh.edu> Sender: news@nih-csl.nih.gov Reply-To: merike@helix.nih.gov (Merike Kaeo) Lines: 6 You will only have an additional 2dB loss to account for due to core mismatch when transmitting from the 62.5 to the 50 um fiber (loss=10log10(50/62.5)**2). Depending on length of your link and power budget of equipment this may not be a problem. Merike Kaeo