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Path: utzoo!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!hp4nl!integow!hot
From: hot@integow.uucp (Roland van Hout)
Newsgroups: comp.periphs,comp.protocols.ibm,comp.protocols.misc
Subject: Problems with the PITBOX 3780 BSC communications
Keywords: BSC, 2780/3780 communications, PIT-BOX
Message-ID: <1525@integow.uucp>
Date: 5 Mar 91 11:12:08 GMT
Followup-To: poster
Organization: Integrity BV, Woerden, the Netherlands
Lines: 33

Hello netlanders,

I don't quite know if these are the right newsgroups for this problem,
but I couldn't find better ones.
We use a PITBOX to connect to a Stratus with a communications processor
for the BSC 2780/3780 protocol.
The PITBOX is sort of a box made out of cooling plates for power transistors,
and it only has a powerplus and 2 db25 connectors, it's produced in
the Netherlands by:
	INCAA Nederland bv
	Kruisweg 573
	2132 NA Hoofddorp
The PITBOX makes it possible to send/receive via a rs232 interface, on
a dec terminal server.
The connection is a point-to-point connection.
Sometimes the communication hangs and one of the hosts gets into a
WACK situation, and never gets out of it. Sorry but I don't know yet
which side starts wacking.
The only solution is to reset the communications processor on the
Stratus side. So resetting the PITBOX and our modem doesnot help.
The ACK/WACK handling in the protocol should (for our side) be completely
handled inside the PITBOX. So on the async side we should not have to
deal with this part of the communication.
Has anybody ever connected one of these boxes? 
Any ideas, suggestions please e-mail to: hot@integow.uucp

Thanx in advance

-- 
UUCP: ..!uunet!mcsun!hp4nl!integow!hot	or  hot@integow.UUCP 
Roland van Hout, Sr. software engineer, Integrity software consultants, 
         Pelmolenlaan 2, 3447 GW Woerden, Netherlands,
            tel +31 3480-30131, fax +31 3480-30182