Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site brl-sem.ARPA Path: utzoo!linus!philabs!cmcl2!seismo!brl-tgr!brl-sem!ron From: ron@brl-sem.ARPA (Ron Natalie ) Newsgroups: net.wanted Subject: Re: ADM3A questions and a Thank You Message-ID: <619@brl-sem.ARPA> Date: Tue, 7-Jan-86 00:17:38 EST Article-I.D.: brl-sem.619 Posted: Tue Jan 7 00:17:38 1986 Date-Received: Fri, 10-Jan-86 06:42:35 EST References: <1001@udenva.UUCP> <745@wang.UUCP> <349@bdaemon.UUCP> Organization: Ballistic Research Lab Lines: 19 > The problem is *NOT* a layout problem but the result of a deliberate, but > somewhat questionable design decision by Lear Siegler. It is their method > of starting a terminal self-test routine!! To the best of my knowledge it > applies to several other ADMs as well, including 5 and 9. Disconnecting > the offending lead indeed fixes the problem (Learnt during more than one > $75.00+ service calls by LSI people at the large installation I used to > work for). > > Three cheers for standardization and un-documented "features". > This is a little unfair. The pin 22 bug is a dumb feature, but it is documented. The figure in the manual that came with all the ADM3As here says 22-Read Back Enable, TEST ONLY DO NOT CONNECT. 22 is really ring indicator. This really should not be wagging once the connection is established, but Vadic modems seem to have a propensity for doing stupid things with this line. -Ron