[unix-history] / man / man4 / dn.4

.th DN IV 8/24/73
.sh NAME
dn \*- dn11 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
=	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 only one of the
ACU's (113C) actually requires it.
.dt
.sh FILES
/dev/dn0	connected to 801 with dp0
.br
/dev/dn1	connected to 113C with ttyc
.br
/dev/dn2	not currently connected
.sh "SEE ALSO"
dp(IV), dc(IV), write(II)
.sh BUGS
It needs a delay character to handle second dial tone.
Commit	Line	Data
fdfbb073 KT	1	.th DN IV 8/24/73
	2	.sh NAME
	3	dn \*- dn11 ACU interface
	4	.sh DESCRIPTION
	5	The
	6	.it dn?
	7	files
	8	are write-only.
	9	The permissible codes are:
	10	.s3
	11	.lp +8 4
	12	0-9 dial 0-9
	13	.lp +8 4
	14	: dial *
	15	.lp +8 4
	16	; dial #
	17	.lp +8 4
	18	= end-of-number
	19	.s3
	20	.i0
	21	The entire telephone number must be
	22	presented in a single
	23	.it write
	24	system call.
	25	.s3
	26	It is recommended that an end-of-number
	27	code be given even though only one of the
	28	ACU's (113C) actually requires it.
	29	.dt
	30	.sh FILES
	31	/dev/dn0 connected to 801 with dp0
	32	.br
	33	/dev/dn1 connected to 113C with ttyc
	34	.br
	35	/dev/dn2 not currently connected
	36	.sh "SEE ALSO"
	37	dp(IV), dc(IV), write(II)
	38	.sh BUGS
	39	It needs a delay character to handle second dial tone.