Analog modem emulator?

[Vintage Computer Festival]

On Tue, 2 Aug 2005, Jochen Kunz wrote:

> Get a terminal server with "reverse telnet" capability, connect modems
> to the serial lines, connect the modems back-to-back to the POTS lines
> of the internal modem and that's it. OK, most likely you have to do some
> tricks to get a ring signal when someone connects via telnet to the
> terminal server. E.g. it may be enough to use DTR from the treminal
> server to initiate a ring tone generator on the POTS line between the
> modems. Or get a old == cheap small analog PBX...

It won't work to just plug the modems together by their phone jacks.  You
still need line voltage or else they won't work.

-- 

Sellam Ismail                                        Vintage Computer Festival
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