Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!wuarchive!uwm.edu!rpi!batcomputer!alchemy!sethcohn From: sethcohn@alchemy.tcnet.ithaca.ny.us (seth cohn) Newsgroups: comp.sys.mac.misc Subject: Re: Wiring for hayes modem w/handshaking Message-ID: Date: 27 Mar 91 03:09:05 GMT References: <1991Mar25.094640.11621@news.arc.nasa.gov> Organization: Alchemy International, Ithaca, N.Y. Lines: 35 ogawa@orion.arc.nasa.gov (Arthur Ogawa) writes: > In article sethcohn@alchemy.tcnet.it > |aciemian@ics.uci.edu (Alan Ciemian) writes: > |> A few people have requested that I post the cable wiring for a > |> mac DIN-8 to modem w/handshaking. > [lines deleted] > |not to press a point BUT that cable will not do carrier detect at all > |since no pin is left to use with DCD (carrier detect - pin 8 of db25) > | > |I think it's ridiculous that the mac won't do Handshaking AND carrier > |detect at the same time. Gimme a good db25 for the mac. > > I recently posted the pinout of the modem cable for Mac that came with > my Prometheus ProModem. It did include provision for DCD, namely Mac > mini-DIN-8 pin 7 to the modem (DCE) DB-25 pin 8. > > I have now checked out my Hayes-brand cable (which I bought expressly to > go with a borrowed Telebit T2500). It is identical to the Prometheus > cable, except it does _not_ provide for DCD. > > Arthur Ogawa Internet: ogawa@orion.arc.nasa.gov Ph: 1/415/691-1126 > TeX consultant AppleLink: ogawa FAX:1/415/962-1969 yes, SOME cables are wired for DCD, BUT Some MACs won't do it (like the plus, classic, lc and possibly the SI (heard one person say it worked, butthe APPLE manual says NO) Pin 7 isn't connected!!! anyone know anyway (even a HARDWARE job!) to get the mac plus to do Carrier detect AND handshaking. I've got 2 9600 baud modems on my bbs, and I need both carrier detect AND handshaking. Seth Seth Cohn, Service Tech. 607-273-2815 voice 607-272-7002 BBS All things posted are opinions by me, of me, for me, or to me. And another thing..........I'm not sure you're real.