Validate communication ports
Process prerequisite
Opening the Troubleshooting Tool
To validate the operation of the NDD Print communication ports > tab NDD Print Ports
Enter the required data:
Test form: It allows you to define whether the test will be performed on all ports or only on a specific port;
Default ports;
Specific port;
Server address: Server network address where the communication test will be performed. If it is on the same machine, use IP 127.0.0.1;
Protocol: It allows you to select the connection type where the test will be executed.
TCP;
UDP;
Both;
Port: It allows to inform the port that will be validated;
Test now;
Ping: It displays the connection test result of each port;
Open (in use): The por tis already in use in a TCP connection;
Closed: The port is available and communicating correctly, it can be used in TCP connections;
Available: The port is available for UDP connections;
Unavailable: The port is blocked for UDP connections;
Error: When the port is unavailable, a message will be displayed informing you that communication has failed.
