DN(4) Kernel Interfaces Manual DN(4)
NAME
dn - DN-11 ACU interface
DESCRIPTION
The dn? files are write-only. The permissible codes are:
0-9 dial 0-9
: dial *
; dial #
- 4 second delay for second dial tone
< 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 not all ACU's actually require it.
FILES
/dev/dn0 connected to 801 with dp0
/dev/dn1 not currently connected
/dev/dn2 not currently connected
SEE ALSO
dp(4)
DN(4)
