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CHAPTER
5
Configuration Utility
The ESP-4 MI serial hub has a built-in configuration utility. Using the configuration utility,
you may:
• Display or change network configuration values
• Display or change port interface, attributes and connection methods
• Send a line break to a serial port
• Display hardware information
• Display or update Flash memory
• Display or change configurable features
• Download a configuration file
• Reboot or reinitialize the serial hub
• Display general or port statistics
• Display connection status
• Display and use debug features
For information about when changes take effect, see When Changes Take Effect on page 9.
Accessing the Configuration Utility
The configuration utility may be accessed three ways: with Telnet, by serial connection to port 1
when the ESP-4 MI serial hub has no configured IP address or by serial connection to the port(s)
that have the configuration utility connection method enabled.
Accessing with Telnet
You may initiate a Telnet session to the IP address of the ESP-4 MI serial hub and the standard
Telnet port 23. For example, if a hub has an IP address of 192.168.0.5, entering
telnet 192.168.0.5
23
will connect to the configuration utility.
If the ESP-4 MI serial hub does not have a nondefault IP address (because it has not yet been
configured or the hub has been reinitialized), you may use the predefined IP address of 192.1.1.1 to
access the hub.
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