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32 ESP Serial Hub Installer/User Guide
been set, any alphanumeric password will be accepted. Once you enter the web interface, you will
be required to configure a password before requesting any other operations.
Some browsers have a feature to remember the password. If this is enabled, you will not need to
enter the password at the username/password prompt in future sessions.
The administration password is common between the web interface and the configuration utility.
When using the web interface, the password is encrypted by the browser when it is sent to the
interface (regardless of whether the web interface connection is secure).
If you reinitialize the serial hub, the password is lost. You will be required to create a password the
next time you access the web interface or the configuration utility.
To set or change the password:
1. From the Main Menu, select Change Password .
2. Enter the new 5-32 character password in the New Password field. Passwords are case
sensitive and may contain any alphanumeric characters.
3. Repeat the new password in the New Password (re-enter) field.
4. Click Apply .
Once the password is validated, the configuration will be updated. A reboot is not required. The
new password will be required the next time the web interface or the configuration utility
is accessed.
Displaying or Changing Network Configuration Values
The Network Configuration display includes the ESP serial hub IP address, subnet mask, gateway
address and network interface settings. You must configure a nondefault IP address for the hub to
become operational.
To display or change network configuration values:
1. From the Main Menu, select Network Configuration .
2. To change an entry, enter a valid value in the IP Address, Subnet Mask, Gateway Address and/
or Interface Mode fields.
Addresses must be entered in standard IP dot notation. The gateway address must be in the
same subnet as the IP address. You cannot set the IP address to: a Class A address of 0.0.x.x, a
loopback address of 127.x.x.x, the default value of 192.1.1.1 or an address at or above
248.x.x.x. The subnet mask cannot be 0.0.0.0.
The default interface setting value is auto-negotiate. To change it, select another value from the
listbox. See
Network Interface on page 9 for more information.
3. If you changed any values, click Apply . If you changed the address information, it will not take
effect until the next reboot of the ESP hub. To reboot, click Reboot . If the IP address had not
been previously set or the hub has been reinitialized, the hub reboots automatically.