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Article #17Re: Does anyone know how to switch individual serial port lines on/off ?
From: William Hutto
Date: Thu, 02 Nov 1995 22:56
Date: Thu, 02 Nov 1995 22:56
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In article <31OCT199522255095@erich.triumf.ca>, bennett@erich.triumf.ca (P.Bennett) wrote: >In article <476c4i$op9@news.dmpe.CSIRO.AU>, m.ballard@chem.csiro.au (Mat Ballard) writes... >>hi there ! >> >>i'd appreciate any help or pointers on how to do the following. >> >>i need to switch an individual serial port line on and off: ie: >>make pin #1 +5V, and pins #2 - #37 0V. > >Assuming standard wiring on a DB-25 connector, pin 1 is frame ground, so you >can't make it +5! > >If you can direcly > >Peter Bennett VE7CEI | Vessels shall be deemed to be in sight >Internet: bennett@triumf.ca | of one another only when one can be >Packet: ve7cei@ve7kit.#vanc.bc.ca | observed visually from the other >TRIUMF, Vancouver, B.C., Canada | ColRegs 3(k) >GPS and NMEA info and programs: ftp://sundae.triumf.ca/pub/peter/index.html I'd be happy to know where to find pin 37 on a DB-25 connector. Bill
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Path: arc1-ca.pugleaf.net!gate.net!pslfl2-1 From: bhutto@gate.net (William Hutto) Newsgroups: comp.os.ms-windows.programmer,comp.lang.c,comp.lang.basic,comp.lang.basic.misc,comp.lang.basic.visual.misc Subject: Re: Does anyone know how to switch individual serial port lines on/off ? Date: 2 Nov 1995 22:56:52 GMT Organization: CyberGate Message-ID: <47bibk$24c@news.gate.net> References: <476c4i$op9@news.dmpe.CSIRO.AU> <31OCT199522255095@erich.triumf.ca> NNTP-Posting-Host: pslfl2-1.gate.net X-Newsreader: News Xpress Version 1.0 Beta #4