port number is the serial port.
The following table shows the available port number and the corresponding device name on different operating systems.
port number
Windows, Pocket PC
Palm OS
VxWorks
eCos
UNIX
0
COM1
1
/tyCo/0
/dev/ser0
/dev/ttyS0
1
COM2
2
/tyCo/1
/dev/ser1
/dev/ttyS1
2
COM3
3
/tyCo/2
/dev/ser2
/dev/ttyS2
3
COM4
4
/tyCo/3
/dev/ser3
/dev/ttyS3
4
COM5
5
/tyCo/4
/dev/ser4
/dev/ttyS4
5
COM6
6
/tyCo/5
/dev/ser5
/dev/ttyS5
6
COM7
7
/tyCo/6
/dev/ser6
/dev/ttyS6
7
COM8
8
/tyCo/7
/dev/ser7
/dev/ttyS7
8
COM9
9
/tyCo/8
/dev/ser8
/dev/ttyS8
error is the error or warning code. If error code is nonzero, an error occurred. You can wire error code to one of the error handler VIs, which describe the error and give you options on how to proceed when an error occurs.
