From: Pavel Machek <pavel@ucw.cz>
To: Ed Vance <EdV@macrolink.com>
Cc: "'Linux PPP'" <linuxppp@indiainfo.com>,
linux-serial@vger.kernel.org,
"'linux-kernel'" <linux-kernel@vger.kernel.org>
Subject: Re: RS485 communicatio
Date: Sat, 15 Mar 2003 20:46:46 +0100 [thread overview]
Message-ID: <20030315194646.GB367@elf.ucw.cz> (raw)
In-Reply-To: <11E89240C407D311958800A0C9ACF7D1A33DDF@EXCHANGE>
Hi!
> > I will be grateful if anybody of them could help me with my
> > current problem.
> >
>
> 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.
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2003-03-15 20:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-13 16:56 RS485 communicatio Ed Vance
2003-03-13 17:46 ` Richard B. Johnson
2003-03-13 22:54 ` RS485 communication Robert White
2003-03-13 23:30 ` Chris Fowler
2003-03-15 8:07 ` Robert White
2003-03-15 15:42 ` Chris Fowler
2003-03-15 12:46 ` David Woodhouse
2003-03-16 0:56 ` Alan Cox
2003-03-16 10:05 ` David Woodhouse
2003-03-16 10:35 ` Russell King
2003-03-16 10:51 ` David Woodhouse
2003-03-15 19:46 ` Pavel Machek [this message]
2003-03-16 19:57 ` RS485 communicatio Alan Cox
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