Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!sdd.hp.com!decwrl!ucbvax!VUVAXCOM.BITNET!BECK From: BECK@VUVAXCOM.BITNET Newsgroups: comp.sys.dec.micro Subject: Pro 350 printer port Message-ID: Date: 22 Aug 90 18:27:00 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 26 I have successfully connected a printer to the 9 pin printer port on a Pro 350 guessing the following pin outs Pin 1 - Frame Ground Pin 2 - TXD Pin 3 - RXD Pin 4 - CTS Pin 5 - RTS Pin 6 - DSR Pin 7 - Signal Ground Pin 8 - ? Pin 9 - ? and with a Brother M 1509 and a Panasonic KP 1091 connecting on its serial port Pro printer 1 -> 1 2 -> 3 3 -> 2 6 -> 20 7 -> 7 Bob Beck beck@vuvaxcom