Re: RS485 communicatio

[Alan Cox]

On Sat, 2003-03-15 at 19:46, Pavel Machek wrote:
> > I believe Point-to-Point Protocol only supports point-to-point symmetric
> > links. Don't think there is any multi-point support in the protocol. IIRC,
> > PPP also requires a full duplex link, which is not available on an RS-485
> > link with more than two stations, even if it is a 4-wire link. 
> 
> Get scarabd (I don't know *where* it is), it can run TCP/IP over slip over
> half-duplex link. Performance is not too good.

Robin O'Leary wrote most of it, so its probably somewhere like
caderus.co.uk

Half duplex performance is fine at a sensible speed and with decent
reliability. On radio will collisions its a lot less pretty