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Smartio C168H/HS User’s Manual 3-21
You may now enter/modify each port’s configuration. These displayed values
are the port initial values as driver is loaded.
Legend: Some noticeable fields and functions are explained below.
Port number: This is actually the port ID of each port. The application
software will refer to the port by its port number (ID).
Duplicated port number is not allowed. That is, each
MOXA serial port is referred to as port number in terms
of serial programming.
You may map the port number range to the one you prefer
between 0 and 255 as long as no port number overlapping
condition or port number undefined condition occurs.
Generally, you should take the convenience of
programming into consideration when specifying the port
numbers for the board.
TxD buf size: The transmission (output) buffer allocated in the system
for each port.
RxD buf size: The receiving (input) buffer allocated in the system for
each port.
F5: Group Edit: This is a convenient function that helps you edit the
configuration of several ports at one time as a group.