Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!uunet!husc6!think!ames!amdahl!drivax!socha
From: socha@drivax.UUCP (Henri J. Socha (7-x6628))
Newsgroups: comp.protocols.tcp-ip
Subject: Re: Apologies and Arcnet
Message-ID: <2758@drivax.UUCP>
Date: Tue, 24-Nov-87 16:05:11 EST
Article-I.D.: drivax.2758
Posted: Tue Nov 24 16:05:11 1987
Date-Received: Sun, 29-Nov-87 16:20:40 EST
References: <8711222235.AA13789@ARES.MIT.EDU> <2756@drivax.UUCP>
Reply-To: socha@drivax.UUCP (Henri J. Socha (7-x6628))
Organization: Digital Research, Monterey, CA
Lines: 22

OOPS, I made a typo in the previous message (and an important one)
please 'n' if you 'n'd the ARCnet discussion.

In article <2756@drivax.UUCP> socha@drivax.UUCP (Henri J. Socha (7-x6628)) writes:

> I know of users in the
> * Business industry (Datapoint customers like the local city government with
>   all departments on an ARCnet of many nodes.)
  **** That was:  The local city govt. uses a Datapoint ARCnet system
	and they are very happy with it (including the programmers) last time
	I talked with them.

> * The system is defined as 2.5MBaud but because it uses an isocronous(sp?)
>   transmission scheme (resync on each character in a message) to send
>   8 data bits you must send 11 baud (3 sync bits preceed each data bit)
				**** OOPS that's 3 re-sync bits per BYTE!
>   therefore the effective data rate is about 1.8MegaBit per second.
			(2.5 *  8/11)

-- 
UUCP:...!amdahl!drivax!socha                                      WAT Iron'75
"Everything should be made as simple as possible but not simpler."  A. Einstein