Comtrol 550 Computer Hardware User Manual


 
7
There are two names for each port, one is for communication with a
modem, the other is for communication with a terminal or computer
Usually the modem connection has a Device name like 'cuaa..' and
the terminal/computer connection has a name such as 'ttyA..'
See section 6 for more information about port naming.
You are prompted to enter the Special Device name prefix for terminal ports:
Please enter the Special Device name for terminals [....]