Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!samsung!munnari.oz.au!mel.dit.csiro.au!yarra!pta!metro!ipso!runxtsa!mark From: mark@runx.oz.au (Mark Webster) Newsgroups: comp.dcom.modems Subject: Re: T2500 has nasty hum Message-ID: <1991Feb6.223752.5743@runx.oz.au> Date: 6 Feb 91 22:37:52 GMT References: Organization: RUNX Un*x Timeshare. Sydney, Australia. Lines: 13 In article uunet!media!thanatos!steve= writes: >My recently purchased a Telebit T2500 appears to put a nasty >hum on the phone line. Briefly, when there are no >connections to the modem except the phone line, all is fine. There are two jumpers near the phone line at the rear. Move them across to the other position. They are grounding one side of the phone line. (See T2500 appendix P F-3) -- ------------- Mark Webster, PO Box 222, Wahroonga NSW 2076, AUSTRALIA Phone: +61 2 487 1299 -------------