Unix |
Unix v6 |
|
![]() |
dn(4) |
![]() |
dn DN-11 ACU interface The 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 system call. It is recommended that an end-of-number code be given even though not all ACU’s actually require it. /dev/dn0 connected to 801 with dp0
/dev/dn1 |
not currently connected |
||
/dev/dn2 |
not currently connected dp (IV) |
![]() |
dn(4) | ![]() |