Serial port naming conventions
Each serial port has three device nodes associated with it. Each node takes the form of a file which you can access from operating system utilities and user applications. Details of these nodes are shown in the next table.
Device name | Function | Description | Location |
|
|
|
|
ttyz1 | Normal communications port | Indicates normal | /dev |
| for local “tty” devices. | communications port |
|
|
| behaviour. |
|
ttyZ1 | Modem port | Indicates that a port open will | /dev |
|
| not complete unless DCD is |
|
|
| present |
|
ttyz1p | Transparent print port. | Indicates that device should | /dev |
|
| only be used for transparent |
|
|
| print. |
|
UltraPort Serial Adaptors User Guide | Chapter 2 Installing drivers and host cards |
Installing under SCO OpenServer and OpenServer6 | Page 52 |
|
