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On Wed, Aug 04, 1999 at 10:45:17AM -0400, Richard Shetron wrote: > I have a customer with an SCO openserver 5, Digiboard XEM PCI multiport > controller, and zoom 56K external modem. The problem appears to be > that the Digiboard doesn't provide the right signals to the modem. > > I was unable to cu to the modem until I turned off dcd checking. > > Now that I can CU to the modem, if I type ATDT <number>, I immediatly > get back ERROR from the modem. This leads me to believe that one or > more of the other control lines DTR/DSR/CTS/RTS is not working right > and/or missing. The modem is plugged into the C module (C02) which is > a DB25 port. > > Contributing to the problem is the customer no longer has documentation > on the Digiboard, the 56K zoom modem documentation only includes examples > for windows and does not list the register settings. The customer did > have a small reference book for the Digiboard ditty command and issuing > the ditty command to force DCD on allowed the cu. The Digi's use _10_ pin RJ connectors, and one of the important signals, DTR I think, is on one of the pins you usually can't reach. ditty has a switch called altpin that swaps the one you need for one you probably don't. Hope this is enough hint. And I hope they're running HylaFAX on it. :-) Cheers, -- jra -- Jay R. Ashworth jra@baylink.com Member of the Technical Staff Buy copies of The New Hackers Dictionary. The Suncoast Freenet Give them to all your friends. Tampa Bay, Florida http://www.ccil.org/jargon/ +1 813 790 7592