Path: utzoo!censor!geac!jtsv16!uunet!tut.cis.ohio-state.edu!ucbvax!agate!bionet!ames!ll-xn!mit-eddie!uw-beaver!tektronix!reed!busker!p8.f14.n105.z1.FIDONET.ORG!Howard.Spindel From: Howard.Spindel@p8.f14.n105.z1.FIDONET.ORG (Howard Spindel) Newsgroups: comp.sys.ibm.pc Subject: Re: DTK expansion-RS232-port pinout wanted Message-ID: <848.24DA91F4@busker.FIDONET.ORG> Date: 4 Aug 89 21:19:32 GMT Organization: FidoNet node 1:105/14.8 - Busker's Boneyard, Portland OR Lines: 31 > From: michaelk@copper.MDP.TEK.COM (Michael D. Kersenbrock) > Date: 1 Aug 89 18:24:44 GMT > Organization: Tektronix Inc., Beaverton, Or. > Message-ID: <3374@copper.MDP.TEK.COM> > Newsgroups: comp.sys.ibm.pc > > A DTK Hex I/O card, like many other cards, has room for a > second 8250 > chip and a pair of RS232 interface chips. The manual is > silent, however, > about the pinout of the ten-square-pin connector. Does > anyone know > the pinout of that connector -- like "which RS232 signals > are on which pin"? > > Thanks in advance (sounds so trite, but what can I > say?)..... > > > -- > Mike Kersenbrock > Tektronix Microprocessor Development Products > michaelk@copper.MDP.TEK.COM > Aloha, Oregon Most of these boards are set up so that you just run a ribbon cable to a squeeze on type DB-25 connector. If there are less pins on the header on the circuit board than on the DB-25 align the pin 1 designations. Don't know for sure if the DTK board is this way but all of the others I have seen are. -- Howard Spindel - via FidoNet node 1:105/14 UUCP: ...!{uunet!oresoft, tektronix!reed}!busker!14.8!Howard.Spindel ARPA: Howard.Spindel@p8.f14.n105.z1.FIDONET.ORG