Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request From: dsc@izimbra.css.gov (David S. Comay) Newsgroups: comp.sys.sun Subject: Re: two-way communication through the same port under SunOs 4.0 Message-ID: <38313@uunet.UU.NET> Date: 9 Dec 88 12:06:29 GMT References: <175@cubsun.BIO.COLUMBIA.EDU> Sender: usenet@rice.edu Organization: Rice University, Houston, Texas Lines: 7 Approved: Sun-Spots@rice.edu Original-Date: 23 Nov 88 22:27:17 GMT X-Sun-Spots-Digest: Volume 7, Issue 39, message 5 of 13 check and make sure that soft carrier is turned off on the line (ttya) in question ... the bit (0) in the flags field of the interface in question (zs) should be set to zero. device zs0 at obio ? csr 0x20000 flags 2 priority 3 dsc