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/dn0connected to 801 with dp0
/dev/dn1not currently connected
/dev/dn2not currently connected

SEE ALSO

dp(4)

7th Edition