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UltraPort Serial Adaptors User Guide
Installing under SCO UnixWare
Page 65
Chapter 2 Installing drivers and host cards
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
z1 Normal communications port
for local “tty” devices.
Indicates normal
communications port
behaviour.
/dev/term
Z1 Modem port Indicates that a port open will
not complete unless DCD is
present
/dev/term
z1p Transparent print port. Indicates that device should
only be used for transparent
print.
/dev/term