Connecting MicroVax and Mac+

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Article #1863

#1863

From: Philip Cheng AWN
Date: Mon, 13 Aug 1990 16:31

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We have a MicroVax II computer and a Mac + computer and would like
to connect it together directly.   The Mac+ has a 8 pin RS422 port and the 
MicroVax II has a 25 pin RS232 port.   The Mac+ has the followings:

pin 1:  handshake
    2:  handshake/clock
    3:  transmit -
    4:  ground
    5:  receive -
    6:  transmit +
    7:  no connection
    8:  receive +

We have a 8 pin to 9 pin connector already.  Can anyone tell him
how should I connect the 9 pin connector to the 25 pin connector?

Please email your answer to me!   Thanks

philip@image.me.utoronto.ca

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!wuarchive!cs.utexas.edu!news-server.csri.toronto.edu!me!mipscan
From: philip@image.me.utoronto.ca (Philip Cheng AWN)
Newsgroups: comp.sys.dec
Subject: Connecting MicroVax and Mac+
Message-ID: <90Aug13.122950edt.4323@image.me.utoronto.ca>
Date: 13 Aug 90 16:31:25 GMT
Reply-To: philip@image.me.utoronto.ca (Philip Cheng AWN)
Organization: University of Toronto, Mechanical Engineering, Canada
Lines: 20