>From: ElephantChild <[EMAIL PROTECTED]>
>Reply-To: ElephantChild <[EMAIL PROTECTED]>
>To: Amit Gupta <[EMAIL PROTECTED]>
>CC: [EMAIL PROTECTED]
>Subject: Re: OT: Tcpip Transmission over RS232
>Date: Thu, 22 Feb 2001 10:59:58 +0100 (CET)
>
>On Thu, 22 Feb 2001, Amit Gupta wrote:
>
> > Hi All,
> >
> > Just a thought on Whether Tcp/Ip can run over RS232
> > Interfaces.
>
>Hmm, IP can run on low-speed serial links, no matter what the shape,
>number of pins, and signal definitions for the connector are, so I guess
>that the answer to your question, as asked, is yes.
>
>But I have a nagging feeling that you mean something else. Could you
>elaborate?
Because IP is a network layer protocol, and RS232 (V.24 for the Europeans)
is a physical layer protocol, you need a data link layer to bridge the gap.
SLIP or PPP fill this gap, and is the most common way of encapsulating IP
over Async connections. (I assume you mean async, not sync, in which case,
use LAPB, HDLC or PPP)
Robert Nelson-Cox, Bsc CCNP CCDP CCIE Cand.
Managing Director
Nelsons Networks Ltd
Warwickshire
United Kingdom
Phone: +44 24 76742500
Fax: +44 24 76742501
GSM: +44 7713 275183
E-Mail: [EMAIL PROTECTED]
URL: www.nelsonsnetworks.com
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