Performing an Emergency FallbackMINI-LINK TN ETSI

OPERATION INSTRUCTIONS

15/1543-CSH 109 32/1-V1 Uen E

Copyright

© Ericsson AB 2008–2010. All rights reserved. No part of this document may bereproduced in any form without the written permission of the copyright owner.

Disclaimer

The contents of this document are subject to revision without notice due tocontinued progress in methodology, design and manufacturing. Ericsson shallhave no liability for any error or damage of any kind resulting from the useof this document.

15/1543-CSH 109 32/1-V1 Uen E | 2010-04-19

Contents

Contents

1 Introduction 1

2 Safety Information 1

3 Preparations 1

3.1 Additional Preparations 1

4 Performing Emergency Fallback for NPU 2

Reference List 3

15/1543-CSH 109 32/1-V1 Uen E | 2010-04-19

Performing an Emergency Fallback

15/1543-CSH 109 32/1-V1 Uen E | 2010-04-19

Preparations

1 Introduction

This instruction describes how to perform an emergency fallback.

2 Safety InformationMake sure that the information in the following documents have beenunderstood by the persons performing the procedures:• Personal Health and Safety Information, Reference [2]• System Safety Information, Reference [5]• Supplementary Safety Information for MINI-LINK, Reference [4]

3 Preparations

This section presents the preparations needed for a successful completionof the procedures in this instruction.

3.1 Additional Preparations

Consider the following additional preparations:

• Read through all applicable sections and make sure referenced documentsare available.

• Make sure you have access to the NE using MINI-LINK Craft. For moreinformation, see Accessing a Network Element, Reference [1].

115/1543-CSH 109 32/1-V1 Uen E | 2010-04-19

Performing an Emergency Fallback

4 Performing Emergency Fallback for NPU

This procedure describes how to revert to a previous software release for anNPU.

Caution!

Use this function restrictively and only in the unlikely event that you haveperformed a software upgrade to a software version, from which you cannotperform a full software upgrade back to a correct version.

To perform an emergency fallback:

1. Connect the USB cable to the USB connector on the NPU.

2. Start MINI-LINK Craft and enter the IP address 10.0.0.1.

3. Type the user name and password, and click Logon. For more information,see Security Management Operations , Reference [3].

4. The Installation Wizard is already started in the Attribute view.

5. On the Tools menu, click Emergency Fallback.

6. On the Emergency Fallback page, click Perform Emergency Fallback.

7. On the Perform Emergency Fallback page, click OK.

8. Click OK, in the confirmation dialog box.

9. On the Emergency Fallback page, click Finish Installation.

10. On the Finish Installation page, click OK.

11. The NE will make a warm restart. After the restart the NE is in NPUInstallation mode where a configuration file can be downloaded that willcause an upgrade to a consistent system.

2 15/1543-CSH 109 32/1-V1 Uen E | 2010-04-19

Reference List

Reference List

[1] Accessing a Network Element , 3/1543-CSH 109 32/1-V1

[2] Personal Health and Safety Information, 124 46-2885

[3] Security Management Operations, 8/1543-CSH 109 32/1-V1

[4] Supplementary Safety Information for MINI-LINK, 124 46-HSD 101 16/1

[5] System Safety Information, 124 46-2886

315/1543-CSH 109 32/1-V1 Uen E | 2010-04-19