US Robotics USR4204 Guide de l'utilisateur télécharger pdf (Page 42)

USR4204 User Guide

Page 42 of 69

'&' Load Factory Parameters

With this command, restore factory defaults to all system parameters shown in the banner.

Batch Mode Command: None

'-' Return to Main Menu

Navigate back to the Main Menu with this command.

Batch Mode Command: None

'!' Flash New Code

The USR4204 erases current firmware and prepares for new firmware file to be installed.

See Flashing the Firmware for detailed instructions.

Batch Mode Command: None

Security Features

The USR4204 defaults to security disabled. To enable security, create the Administrator

account. From the Main Menu, go to the Configure Parameters Menu ('Y'), then Config

Security ('U'), then Select Admin ('0'), and enter the Administrator name and password.

When security is enabled:

 The Administrator has access to all ports and menus. Users have access to ports allowed by an

Administrator.

 Up to fifteen User accounts may be created, edited, or deleted by an Administrator. Each User

may be granted or denied access to each serial and power port.

 Only an Administrator has access to configuration menus.

 Individual Users may be granted Administrator privileges.

 The USR4204 will generate a notification if three consecutive login attempts fail. The

notification is displayed prior to the Main Menu Screen following a successful login. A

successful Administrator login clears the notification.

 If the three consecutive failed login attempts match a registered username, that User account

will be disabled until an Administrator re-enables it.

 Disable security by deleting the Administrator account. The Administrator account can only be

deleted by removing all accounts in the Configure Security Menu, or setting the Administrator

name or password to null in Batch Mode.

If the three consecutive failed login attempts match the

Administrator name, the Administrator account will be disabled. The

Administrator account can only be re-enabled from the remote site

with the USR4204. See "Clearing A Forgotten or Disabled

Administrator Name and Password" for details.

See FAQs and Troubleshooting for suggested security guidelines.

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US Robotics USR4204 Guide de l'utilisateur Page 42