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Path: sserve!newshost.anu.edu.au!munnari.oz.au!comp.vuw.ac.nz!canterbury.ac.nz!chmeds.ac.nz!twizon.chmeds.ac.nz!tdw Newsgroups: comp.unix.bsd Subject: RS 232C connection for Sperry 5000/50 Message-ID: <1993Mar25.165514.218@chmeds.ac.nz> From: tdw@chmeds.ac.nz () Date: 25 Mar 93 16:55:13 +1200 Sender: tdw.twizon.chmeds.ac.nz Organization: Christchurch School of Medicine Nntp-Posting-Host: twizon.chmeds.ac.nz Lines: 11 The problem is that the Sperry Unix box I am trying to get going has 15 pin RS232C terminal plugs on the back. These being even more nonstandard than the usual RS232. I have got some data on the pin outs, but these apparently are not enough. Looking in the back of the computer, only 12 of the pins are actually connected, and of these I can account for only 9. I can install the system partly but it hangs up at stage that is apparently due to incorrect handshaking on the port. Thanks in advance Tim