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Selecting a TCP/IP port number
When configuring TCP/IP connections, Tcp Com Bridge allows you to choose any TCP/IP port number. The range of possible port numbers is from 1 to 65535. Port numbers from 1 to 1000 may be used by the operating system or other utility programs. But you can freely use TCP/IP port numbers greater than 1000. So we recommend assigning port numbers greater than 1000.
Please note that if you select a port, it can be already used by other programs. Two programs cannot simultaneously use the same port. Even if the port that you selected during configuration is free, that does not guarantee that it will not be used later by another program.
If you encounter an issue of your port being used by another program, just change the TCP/IP port number.