I'm sure that Kurt' instructions are the best available, but they assume that you are going to wire up your own cable, definitely not for beginners. The serial port on the Model 100 is 25 pins so as well as a null modem cable you will need a 9 pin to 25 pin adaptor.
On 21 July 2015 at 12:32, Sean Gallagher <[email protected]> wrote: > > Thanks, Dave. I'll give that a shot. > From: M100 on behalf of David Flippo > Reply-To: Model 100 Discussion > Date: Tuesday, July 21, 2015 at 2:56 PM > To: Model 100 Discussion > Subject: Re: [M100] Recent article about Model 100 posted on Ars Technica > > 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 > <[email protected]> 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 > <[email protected]> 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: [email protected] > 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" > <[email protected] on behalf of [email protected]> 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. > >
