V6/usr/man/man4/dn.4

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.th DN IV 3/20/74
.sh NAME
dn \*- DN-11 ACU interface
.sh DESCRIPTION
The
.it dn?
files
are write-only.
The permissible codes are:
.s3
.lp +8 4
0-9	dial 0-9
.lp +8 4
:	dial *
.lp +8 4
;	dial #
.lp +8 4
\*-	4 second delay for second dial tone
.lp +8 4
=	end-of-number
.s3
.i0
The entire telephone number must be
presented in a single
.it write
system call.
.s3
It is recommended that an end-of-number
code be given even though not all
ACU's actually require it.
.dt
.sh FILES
/dev/dn0	connected to 801 with dp0
.br
/dev/dn1	not currently connected
.br
/dev/dn2	not currently connected
.sh "SEE ALSO"
dp (IV)
.sh BUGS