[Oberon] Re (3): n-o PPP modifications

[Bob Walkden]

Hi,

> Two ways to simulate all/part of that connection:

> 1) A pair of modems can be connected 'back-to-back', need no phone company.
>   - you would need (obviously) the second modem, a couple of phone 
> cords, and
> a pair of jacks with a bit of wiring in between to let you attach a 9V
> battery to provide
> 'loop' current.

> ATA string will need altered (no need to dial...).

> 2) A serial null-modem cable can eliminate the modems entirely, still let
> you test the protocol handling - and at arbitrary speeds as well.

> - In either case, you need another box emulating the far-end.

> The 'least work' way to do that is probably with a *BSD or Linux
> install on any old box 386 or newer, as both have the utilities to
> act as ISP dial-in hosts.

I haven't followed this thread, so please forgive me if I've missed
something (and I'm dredging my memory from the late 80s). Wouldn't it
be even easier to put the serial line into local loopback mode? That
way you don't need a null modem or a 2nd machine.

-- 
Regards,
 Bob