NetComm NTC-220 Manual de usuario

Recovery via Recovery Console

Guide

NTC-220 Series

Doc No. FA01392

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FA01392 v1.0 28 September 2021

NetComm Wireless Limited was acquired by Casa Systems, Inc. a Delaware company on 1 July 2019. The information

contained herein is proprietary to Casa Systems, Inc. No part of this document may be translated, transcribed, reproduced, in

any form, or by any means without prior written consent of Casa Systems, Inc..

Trademarks and registered trademarks are the property of NetComm Wireless Limited or their respective owners.

Specifications are subject to change without notice. Images shown may vary slightly from the actual product.

Note – This document is subject to change without notice.

Document history

This document relates to the following products:

NetComm NTC-221/NTC-222/NTC-223/NTC-224/NTC-227

VER. DOCUMENT DESCRIPTION DATE

v1.0

Initial release.

28 September 2021

Table i. - Document revision history

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Applicable devices

This document is applicable only to the following NetComm Wireless devices:

•NTC-22X

The screenshots used in this document were taken using an NTC-22X. The same process can be applied to all the applicable

devices listed above.

Recovering an NTC-220 series router in case of

problems with the Main operating system

The NTC-220 series router features two independent operating systems, each with their own file systems. These two systems

are referred to as 'Main' and 'Recovery'. It is always possible to use one in order to restore the other in the event that one

system becomes damaged or corrupted (such as during a firmware upgrade failure). The recovery console provides limited

functionality and is typically used to restore the main firmware image in the case of a problem.

This document outlines the process of booting an NTC-220 series router into recovery mode and flashing the main firmware

image to restore functionality in the case where a failure has occurred.

Accessing recovery mode

Both systems have web interfaces that can be used to manipulate the other inactive system. The router starts up by default

in the Main system mode, however the router may be triggered to start in recovery mode if desired.

To start the router in recovery mode:

Power off and unplug the device, connect the Ethernet connection.

Press and hold the physical reset button on the interface panel

While holding the reset button, plug in the power cable

Hold the reset button for further for 10 to 15 seconds. When the LEDs on the front panel change to amber and

countdown in a sequence, release the reset button. The router then boots into recovery mode.

In your browser, navigate to http://192.168.1.1

The router’s recovery mode is hardcoded to use this address regardless of the IP address that was configured in the

main system. The router’s recovery console is displayed.

Installing the main firmware image

Click on the Application Installer menu item at the top of the screen.

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Click on the Browse button.

Locate the firmware image on your computer. Firmware images always have a “.cdi” extension and the latest versions

are always downloadable from the product support page on https://support.netcommwireless.com/products/NTC-

220%20Series

Click the Open button.

Click the Upload button to begin the transfer of the firmware file to the router.

When the file has completed uploading, click on the Install link next to the firmware image file.

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Click on the OK button to begin the installation.

When the installation is complete, the router displays “Installation is successful!” and returns to the file list.

To ensure that the router runs correctly, it is necessary to perform a restore to the factory default settings. This means

that any previous settings on the router are erased.

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Click on Settings menu item at the top of the screen.

Click on the Retore button.

The router resets all settings to the factory defaults and reboots to the main firmware.

The recovery process is complete.

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