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P841C Central-Side VDSL Modem

3-2 Configuring the P841C

Figure 3-3 Wrong Password

You should change the default password using the passwd command.

3.3 Commands

3.3.1 General Command Conventions

References to “LT” and “NT” are common throughout the commands. “LT” means means Line Termination

(unit), which is the P841C VDSL central office side modem. “NT” means Network Termination (unit), which is

the subscriber’s VDSL modem (P841).

3.3.2 Command Syntax Conventions

• Command keywords are in regular courier font and should be typed in as they appear or in abbreviated

form (see the next section).

• Optional fields (parameters) in a command are enclosed in “[]” brackets. For example,

P841C> vdsl active [on|off]

• The “|” symbol is shorthand for the word “or”. For example,

vdsl debug [on|off]

3.4 System Related Commands

Help, exit, passwd, sys and fwupgrade are the system related commands.

3.4.1 Passwd Command

passwd

Use this command to change the login password. The default password when shipped is “1234”.

Figure 3-4 Change Password Command

Type your new password (up to 15 characters) in the New Password field and press [ENTER]. To confirm,

retype the same password in the Retype New Password field. As you enter the password, the screen displays an

“*” for each character you type. You see the P841C prompt after a successful password change.

P841C>passwd

New Password: *

Retype New Password: *

P841C>

P841C>****

Wrong Password!

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