I have used the three wire configuration RX, TX, Gnd, and have had no problems (RX/Tx reversed on other end)
Dave Sent from my iPhone > On Jul 21, 2015, at 11:33 AM, Sean Gallagher <sean.gallag...@arstechnica.com> > wrote: > > Hey, Kurt- > > Will a standard null modem work for terminal mode in TELCOM, or do I need to > go with the pinout below? I see that's the cable used for the PC link… > > From: M100 on behalf of Kurt McCullum > Reply-To: Model 100 Discussion > Date: Tuesday, July 21, 2015 at 11:52 AM > To: Model 100 Discussion > Subject: Re: [M100] Recent article about Model 100 posted on Ars Technica > > Sean, > > If your using TELCOM, you will need a 9-25 null modem cable. The one listed > below is a full null cable meaning the RTS/CTS and DTR/DSR pins are not > looped back. Enjoy tinkering. > > 7 Wire Cable > ------------ > PC------Model-T > DB9-----DB25 > =============== > 2------>2 > 3<------3 > 4<------6 > 5--GND--7 > 6<------20 > 7------>5 > 8<------4 > > > Kurt > > > > On Tuesday, July 21, 2015 7:38 AM, Sean Gallagher > <sean.gallag...@arstechnica.com> wrote: > > > Thanks, John! > > I'm working on a couple of things for follow-up: > Connecting via TELCOM and a null modem cable to various computers (PC, Mac, > Raspberry Pi) as a terminal, to do file transfer, etc. > Possibly doing some sort of Bluetooth-to-serial hack to connect to another > system in similar fashion as above. > Doing some dial-up (I need to order or create a modem cable, as the system I > picked up came with just a printer ribbon cable with no termination) > Spending a day doing my job from the Model 100. (Writing an article from the > field, filing it, communicating with co-workers via IRC, checking email via > some sort of gateway?). > > > If anyone has any tips to share on any of these, I'd appreciate the help (and > will properly credit it). :D > > > ---- > Sean Gallagher > Information Technology Editor > Ars Technica > E-mail: sean.gallag...@arstechnica.com > Twitter:@thepacketrat > phone: 312-281-5123 > http://arstechnica.com/author/sean-gallagher/ > > PGP Public Key can be found at : https://arstechnica.com/ars-staff-pgp-keys/ > > > > > > On 7/20/15, 4:49 PM, "M100 on behalf of John R. Hogerhuis" > <m100-boun...@lists.bitchin100.com on behalf of jho...@pobox.com> wrote: > > >http://arstechnica.com/information-technology/2015/07/back-to-the-future-the-trs-80-model-100/ > > > >I noticed that author also just joined the list... welcome Sean! > > > >-- John. > >
