Click the "Change Password" checkbox
Enter the user name in "Username" edit box
Enter the same password in "Password" and "Confirm Password" edit box
Press the "Apply" button
You should reboot system to let your settings take effect if you have changed one of the IP address, subnet mask and default gateway.
Serial Port Configuration 
Figure 4-4. The Serial Port Configuration Menu
You can change the serial port setting through this screen to suit you environment, however, using the default setting is recommended.
SNMP Community Setup 
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