Ericsson MINI-LINK TN Manuale utente

Replacing an NPU1 C with an NPU1 D

MINI-LINK TN ETSI

OPERATING INSTRUCTIONS

107/1543-HRA 901 20-V11 Uen B

reproduced in any form without the written permission of the copyright owner.

Disclaimer

The contents of this document are subject to revision without notice due to

continued progress in methodology, design and manufacturing. Ericsson shall

have no liability for any error or damage of any kind resulting from the use

of this document.

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Contents

1 Introduction 1

2 Prerequisites 1

2.1 Safety Information 1

2.2 Required Tools and Equipment 1

2.3 Required Hardware 1

2.4 Required Licences and Software 2

2.5 Required Documentation 2

3 Flowchart 2

4 Replacing an NPU1 C with an NPU1 D 6

4.1 Preparing a Site Visit 6

4.1.1 Identifying Current Software 6

4.1.2 Placing Files on an FTP Server 6

4.1.3 Preparing a Configuration File 6

4.2 Preparing the NE on Site 7

4.2.1 Starting the Local FTP Server 7

4.2.2 Verifying the Software Upgrade Preferences 7

4.2.3 Upgrading the SBL 7

4.3 Replacing the Hardware 7

4.3.1 Removing an NPU1 C 8

4.3.2 Adding an NPU1 D 12

4.4 Concluding Routines 15

4.4.1 Checking Active Alarms 15

4.4.2 Checking Current SBL 15

4.4.3 Handling Faulty Units 15

Reference List 17

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Replacing an NPU1 C with an NPU1 D

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Prerequisites

1 Introduction

This instruction describes how to replace an NPU1 C with an NPU1 D, and

how to move the existing licenses from the NPU1 C to the NPU1 D by reusing

the RMM from the NPU1 C. Hardware management is described in HW

Management Overview, Reference [6].

2 Prerequisites

The following sections include information about required preparations before

performing any hardware replacement.

2.1 Safety Information

Make sure that the information in the following documents has been understood

by the persons performing the procedures:

•Personal Health and Safety Information, Reference [8]

•System Safety Information, Reference [10]

•Supplementary Safety Information for MINI-LINK, Reference [9]

2.2 Required Tools and Equipment

The following tools and equipment are required when replacing an NPU1 C

with an NPU1 D:

• ESD wrist strap

• Torx screwdriver TX8 (M3)

• PC with MINI-LINK Craft installed and the electronic MINI-LINK TN CPI

library available (on-line or, when needed, off-line, locally downloaded)

• USB cable

2.3 Required Hardware

The following hardware is required when replacing an NPU1 C with an NPU1 D:

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Replacing an NPU1 C with an NPU1 D

• A MINI-LINK TN equipped with AMM 20p B

• NPU1 D

2.4 Required Licences and Software

NPU1 D requires Software Baseline (SBL) TN 5.4 or later.

To get the same functionality on the NPU1 D as on the NPU1 C, move the

licenses from the NPU1 C.

2.5 Required Documentation

Read through this document and make sure referenced documentation is

available during the replacement process. Ensure this by having the electronic

CPI library available on your PC. See Library Description on how to make it

available. It is recommended to print out a copy of the MINI-LINK TN Failure

Report, which can be found in Handling Faulty Equipment, Reference [5].

For a detailed description of the parameters mentioned in these instructions,

see MINI-LINK Craft User Interface Descriptions, Reference [7].

3 Flowchart

The flowcharts in this section describe the flow of the tasks needed to complete

the hardware replacement.

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Flowchart

Figure 1 Main Flow

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Replacing an NPU1 C with an NPU1 D

Figure 2 Removing an NPU1 C

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Flowchart

Figure 3 Adding an NPU1 D

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Replacing an NPU1 C with an NPU1 D

4 Replacing an NPU1 C with an NPU1 D

The following sections describe how to replace an NPU1 C with an NPU1 D,

and how to move the existing licenses from the NPU1 C to the NPU1 D by

reusing the RMM from the NPU1 C.

4.1 Preparing a Site Visit

This section presents the preparations needed for a successful completion of

the procedures in this instruction. All these preparations can be performed both

locally and remotely.

4.1.1 Identifying Current Software

To identify which SBL is running on the NE:

1. Access the NE and start MINI-LINK Craft by following the instructions in

Accessing a Network Element, Reference [1].

2. In the Management Tree, right-click the NE.

3. Point to Tools,Software Upgrade, and click Software Upgrade.

4. On the Software Upgrade page, identify the current SBL running on the

NE.

4.1.2 Placing Files on an FTP Server

If the SBL needs to be upgraded, place the SBL files on a remote FTP server or

a local FTP server by following the instructions in Upgrading or Downgrading a

SW Baseline, Reference [11].

4.1.3 Preparing a Configuration File

Because the configuration file for the NPU1 C cannot be used to configure the

NPU1 D, it is recommended to prepare a configuration file for the NPU1 D

before visiting the site. For more information on configuration management,

see applicable Configuration Documents. For more information on preparing

and transferring a CLI script, see Preparing a CLI Script File Offline, Reference

[12], and Transferring a CLI Script File on Site, Reference [13].

It is also recommended to upload the existing configuration file for the NPU1

C and to generate a configuration report as a back up, in case the installation

of the NPU1 D fails. Do this by following the instructions in Backing Up and

Restoring a Configuration File, Reference [3] and Generating a Configuration

Report, Reference [4].

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