Perle Systems RIO 5500036-17 - Manual (Page 268)

RIO Remote I/O System User Guide
Solaris Device node details
Page 268
Solaris Device node details
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.
Linux Device node details
Each serial port has two 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
r001 Normal communications port Indicates normal
communications port
behaviour. /dev/term
r001 Normal communications port
wait for DCD on open Indicates a port open will not
complete unless the DCD
signal is present. /dev/cua
r001 Print device Indicates that device should
only be used for transparent
print. /dev/xprt
Device name Function Description Location
ttySR0 Normal communications port Indicates normal
communications port
behaviour. /dev
cusr0 Normal communications port
wait for DCD on open Indicates a port open will not
complete unless the DCD
signal is present. /dev