Anybody remember Bunker Ramo? Still have one of their two-shoebox-sized modems somewhere...
On Sat, Feb 1, 2025 at 8:28 PM Rick Bensene via cctalk < cctalk@classiccmp.org> wrote: > > > Vadic had a variant 1200 baud system that wasn't compatible with 212, > too, as I recall. > > Yup, they did. Can't remember the model number, but I used one of these > to dial-in to work way back then with a Tektronix 4010 DVST graphics > terminal. Having 1200 baud that worked really well over phone lines at a > time when most people with home computers were getting by with 110 or at > most 300 baud we great. But, it only worked at 1200 baud connecting to > work. Connecting to BBS's and such maxed out at 300 baud. At least it > was backwards compatible that way. If I remember correctly, it was about > 12 inches deep, about 2 inches tall, and perhaps 8 inches wide, and the > front panel had a bunch of LEDs that indicated all of the normal RS232 > signaling lines (CD, CTS, DSR, RTS, DTR, RX and TX) along with a few that > showed the speed (110, 300, or 1200) that it was operating at. The > "screech" it made when connecting up at 1200 baud was very unique > sounding. Much more harsh than 103 FSK signaling, but nothing nearly as > complex as the training that went on when modems started getting up to 9600 > baud. > > I remember having my first Telebit Trailblazer 9600 baud modem. Reliable > 9600 baud over voice-grade POTS lines. They were very remarkable devices > for their time. I used it on my home Unix system way back when for UUCP > connections (for email and USENET) to a number of local UUCP hubs. The > training tones for it were pretty crazy sounding, very unique. > > I feel old. > > -Rick >
