Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: nyu notesfiles V1.1 4/1/84; site rocksvax.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!whuxlm!harpo!decvax!genrad!wjh12!talcott!harvard!seismo!rochester!rocksvax!dave From: dave@rocksvax.UUCP Newsgroups: net.micro.cpm Subject: Re: "break" key device needed Message-ID: <3100001@rocksvax.UUCP> Date: Sun, 16-Dec-84 17:57:00 EST Article-I.D.: rocksvax.3100001 Posted: Sun Dec 16 17:57:00 1984 Date-Received: Tue, 18-Dec-84 07:02:34 EST References: <823@bnl.UUCP> Lines: 11 Nf-ID: #R:bnl:-82300:rocksvax:3100001:000:430 Nf-From: rocksvax!dave Dec 16 17:57:00 1984 Break is taking the TD (transmit data) line from (-15 -> -3) Volts (Ground sometimes works but is not really a valid RS-232 voltage level) to (+3 -> +15) Volts for some number of 100 mS. Generally all you need to do is keep the TD high long enough to make a framing error occur in the UART device. Worked for me any time I needed a break. Dave arpa: Sewhuk.HENR@Xerox.ARPA uucp: {allegra,rochester,amd,sunybcs}!rocksvax!dave