> On May 9, 2017, at 2:58 PM, Brent Hilpert via cctalk <cctalk@classiccmp.org>
> wrote:
>
> On 2017-May-09, at 9:06 AM, Chuck Guzis via cctalk wrote:
>> Looking at this documents:
>>
>> http://www.samhallas.co.uk/repository/telegraph/data_set_101c.pdf
>>
>> I sill can't figure out what a lot of the stuff inside is for.
>
>
> I've looked at one of these modems in the bottom of a 33 although not
> examined it in great depth.
> I expect a large part of the volume of stuff like the relays isn't really
> modem but call-management sequencing & switching: on/off hook, incoming-call
> detect, answer detect, originate/answer mode switching, etc.
Yes, that's what the manual suggests, it lists a half dozen relays. It's not
clear why any of them would be more than one or two pole relays, but perhaps
the ones that were actually used (which are many-pole devices) happened to be
standard units and were "more than enough for the job".
paul
