[lkml]   [2003]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: RS485 communicatio
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

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

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:34    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean