Messages in this thread | | | Subject | Re: RS485 communicatio | From | Alan Cox <> | Date | 16 Mar 2003 19:57:06 +0000 |
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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
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