DN(IV) 8/24/73 DN(IV)
NAME
dn - dn11 ACU interface
DESCRIPTION
The dn? files are write-only. The permissible codes are:
0-9 dial 0-9
: dial *
; dial #
= end-of-number
The entire telephone number must be presented in a single
write system call.
It is recommended that an end-of-number code be given even
though only one of the ACU's (113C) actually requires it.
FILES
/dev/dn0 connected to 801 with dp0
/dev/dn1 connected to 113C with ttyc
/dev/dn2 not currently connected
SEE ALSO
dp(IV), dc(IV), write(II)
BUGS
It needs a delay character to handle second dial tone.