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Diffstat (limited to 'static/netbsd/man4/man4.vax/dn.4')
| -rw-r--r-- | static/netbsd/man4/man4.vax/dn.4 | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/static/netbsd/man4/man4.vax/dn.4 b/static/netbsd/man4/man4.vax/dn.4 new file mode 100644 index 00000000..e3cae788 --- /dev/null +++ b/static/netbsd/man4/man4.vax/dn.4 @@ -0,0 +1,116 @@ +.\" $NetBSD: dn.4,v 1.13 2017/08/01 11:04:21 wiz Exp $ +.\" +.\" Copyright (c) 1980, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" from: @(#)dn.4 8.1 (Berkeley) 6/5/93 +.\" +.Dd June 5, 1993 +.Dt DN 4 vax +.Os +.Sh NAME +.Nm dn +.Nd +.Tn DN-11 +serial autocall unit interface +.Sh SYNOPSIS +.Cd "dn0 at uba? csr 0160020 vector dnintr" +.Sh DESCRIPTION +NOTE: This driver has not been ported from +.Bx 4.4 +yet. +.Pp +The +.Nm dn +device provides an interface through a +.Tn DEC +.Tn DN-11 +(or equivalent +such as the Able Quadracall) to an auto-call unit +.Pq Tn ACU . +To place an outgoing call one forks a sub-process which +opens the appropriate call unit file, +.Pa /dev/cua? +and writes the phone number on it. +The parent process +then opens the corresponding modem line +.Pa /dev/cul? . +When the connection has been +established, the open on the modem line +.Pa /dev/cul? +will return and the process will be connected. +A timer is normally used to timeout the opening of +the modem line. +.Pp +The codes for the phone numbers are: +.Bl -column "0-9" description -offset indent +.It 0-9 number to be dialed +.It * dial * (`:' is a synonym) +.It # dial # (`;' is a synonym) +.It \- delay 20 milliseconds +.It < end of phone number (`e' is a synonym) +.It = delay for a second dial tone (`w' is a synonym) +.It f force a hangup of any existing connection +.El +.Pp +The phone number to be dialed must be presented as one contiguous string. +.Pp +By convention, even numbered call units are for 300 baud +modem lines, while odd numbered units are for 1200 baud lines. +For example, +.Pa /dev/cua0 +is associated with a 300 baud modem line, +.Pa /dev/cul0 , +while +.Pa /dev/cua1 +is associated with a 1200 baud modem line, +.Pa /dev/cul1 . +For devices such as the Quadracall which simulate multiple +.Tn DN-11 +units, the minor device indicates which outgoing modem to use. +.Sh FILES +.Bl -tag -width /dev/cul? -compact +.It Pa /dev/cua? +call units +.It Pa /dev/cul? +associated modem lines +.El +.Sh DIAGNOSTICS +Two error numbers are of interest at open time. +.Bl -tag -width EBUSYxx +.It Bq Er EBUSY +The dialer is in use. +.It Bq Er ENXIO +The device doesn't exist, or there's no power to it. +.El +.Sh SEE ALSO +.Xr tip 1 +.Sh HISTORY +A +.Nm +driver appeared in +.At v6 . |