Synchronous serial Re: E-Mail Formats RE: Future of cctalk/cctech

Chuck Guzis cclist at
Thu Jun 18 13:34:38 CDT 2020

On 6/18/20 6:06 AM, Peter Coghlan via cctalk wrote:

> and I also have two Nokia DS 60100 baseband modems, one with a V.35
> interface card and one with an X.21 interface card.  When I hook up the
> former with the BC19F cable, I can get the lights on the modem to react
> when I try to access ZSA0: on the MicroVAX.  However, I can't get any
> reaction when I use the BC19C cable with the latter even when I jumper
> the modem to take account of the fewer signals available in X.21.  It
> may be that the BC19C is meant for something other than the DSH/T32...
> Anyway, this whole line of attack is fairly academic as the modems can
> only do 48kbps - 160kbps and the maximum for the DSH/T32 seems to be
> 19200bps.

We would have been delighted to get 19.2K on our 11/750.  Leased line
with a Bell 209 modem, 9600 sync.   Back then, that ran about $5K/month
for the hookup.


More information about the cctalk mailing list