Tait TBCC0E Users Manual

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TB9300 Base Station/Repeater

Installation and Operation Manual

MBC-00008-15 · Issue 15 · March 2017

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2 TB9300 Installation and Operation Manual

Contact Information

Tait Communications Corporate Head Office

Tait Limited P.O. Box 1645 Christchurch New Zealand

For the address and telephone number of regional offices, refer to our website:

www.taitradio.com

All information contained in this document is the property of Tait Limited. All rights reserved. This document may not, in whole or in part, be copied, photocopied, reproduced, translated, stored, or reduced to any electronic medium or machine-readable form, without prior written permission from Tait Limited.

The word TAIT and the TAIT logo are trademarks of Tait Limited.

All trade names referenced are the service mark, trademark or registered trademark of the respective manufacturers.

Disclaimer

There are no warranties extended or granted by this document. Tait Limited accepts no responsibility for damage arising from use of the information contained in the document or of the equipment and software it describes. It is the responsibility of the user to ensure that use of such information, equipment and software complies with the laws, rules and regulations of the applicable jurisdictions.

Enquiries and Comments

If you have any enquiries regarding this document, or any comments, suggestions and notifications of errors, please contact your regional Tait office.

Updates of Manual and Equipment

In the interests of improving the performance, reliability or servicing of the equipment, Tait Limited reserves the right to update the equipment or this document or both without prior notice.

Intellectual Property Rights

This product may also be made under license under one or more of the following patents:

- US7203207, AU2004246135, CA2527142, GB2418107, HK1082608, MY134526, US8306071

- US7339917, AU2004246136, CA2526926, GB2418812, MY134217

- US7499441, AU2005262626, CA2570441, GB2430333, JP4690397, NZ551231, KR100869043, RU2351080, BRP10512052, MXPA06015241

- US 7200129, AU2005226531, CA2558551, CN1930809, GB2429378, JP4351720, BRP10508671, NZ549124, KR848483, RU2321952

Environmental Responsibilities

Tait Limited is an environmentally responsible company which supports waste minimization, material recovery and restrictions in the use of hazardous materials.

The European Union’s Waste Electrical and Electronic Equipment (WEEE) Directive requires that this product be disposed of separately from the general waste stream when its service life is over. For more information about how to dispose of your unwanted Tait product, visit the Tait WEEE website at www.taitradio.com/weee. Please be environmentally responsible and dispose through the original supplier, or contact Tait Limited.

Tait Limited also complies with the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (RoHS) Directive in the European Union.

In China, we comply with the Measures for Administration of the Pollution Control of Electronic Information Products. We will comply with environmental requirements in other markets as they are introduced.

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TB9300 Installation and Operation Manual 3 © Tait Limited March 2017

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Scope of Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Associated Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Publication Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

1.2 Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.3 Mechanical Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.4 Frequency Bands and Sub-bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.5 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.6 Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

1.7 Theory of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1.7.1 Signal Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1.7.2 Online and Offline Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1.7.3 Intermodule Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

1.7.4 Power Management and Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . 25

1.7.5 PMU Operation on DC Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

1.7.6 Front Panel Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2 General Safety and Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.1 Personal Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.1.1 Unpacking and Moving the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.1.2 Lethal Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.1.3 AC Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.1.4 Explosive Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.1.5 High Temperatures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.1.6 LED Safety (EN 60825-1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.1.7 Proximity to RF Transmissions / A proximité des émissions RF . . . . . 33

2.2 Equipment Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.1 Installation and Servicing Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.2 Preventing Damage to the PA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.3 ESD Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.4 Anti-tampering Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.3 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.3.1 Operating Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.3.2 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.3.3 Dust and Dirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.4 Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

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2.4.1 Distress Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.4.2 Compliance Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.4.3 FCC Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.4.4 Unauthorized Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.4.5 Health, Safety and Electromagnetic Compatibility in Europe. . . . . . . . 37

3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.1 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

3.2 Module Indicator LEDs and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.2.1 Reciter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3.2.2 PA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.2.3 PMU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.1 Equipment Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.2 Grounding and Lightning Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.3 Equipment Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.4 Ambient Temperature Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

4.1.5 Cabinet and Rack Ventilation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

4.2 Unpacking and Moving the Subrack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4.3 Identifying the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4.4 Initial Setting Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4.4.1 Confirming Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4.4.2 Working with Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4.4.3 Customizing the Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4.4.4 Recommended Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.4.5 Restricted Port Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

4.4.6 Changing the Root Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

4.4.7 Tuning the Reciter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4.5 Installing the Base Station on Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.5.1 General Installation Advice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.5.2 Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4.5.3 Mounting the Subrack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

4.6 Connecting Up the Base Station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

4.6.1 Connection Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

4.6.2 Connecting AC Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

4.6.3 Connecting DC Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

4.6.4 Connecting the Auxiliary DC Power Output . . . . . . . . . . . . . . . . . . . . . 73

4.6.5 Connecting RF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

4.6.6 Connecting an External Frequency Reference. . . . . . . . . . . . . . . . . . . . 75

4.6.7 Ethernet Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

4.6.8 Connecting General Purpose Inputs and Outputs . . . . . . . . . . . . . . . . . 77

5 Working with Base Stations from Your PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

5.1 PC Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

5.2 Connecting Your PC to the Base Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

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TB9300 Installation and Operation Manual 5 © Tait Limited March 2017

5.2.1 Logging In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

5.2.2 Setting the IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

5.2.3 Security Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

5.2.4 Connecting a Networked PC to a Base Station . . . . . . . . . . . . . . . . . . . 83

5.2.5 Troubleshooting Connection Problems . . . . . . . . . . . . . . . . . . . . . . . . . 85

5.2.6 Finding a Lost or Forgotten IP Address . . . . . . . . . . . . . . . . . . . . . . . . 85

5.2.7 Setting Up Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

5.3 Working with the Web Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

5.3.1 Monitoring Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

5.3.2 Troubleshooting Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.3.3 Viewing Configuration Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

5.3.4 Viewing the Base Station and Network Identity . . . . . . . . . . . . . . . . . . 91

5.4 Basic Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.4.1 User Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.4.2 Taking the Base Station Offline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.4.3 Working with Configuration Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

5.4.4 Setting Up Custom Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.4.5 Disabling the Front Panel Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.4.6 Preparing to Download Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.4.7 Checking for Interference on a Receive Channel . . . . . . . . . . . . . . . . . 95

6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

8 Replacing Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

8.1 Saving the Base Station’s Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

8.2 Preliminary Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

8.3 Replacing a Reciter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

8.4 Replacing a Power Amplifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

8.5 Replacing a Power Management Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

8.6 Replacing the Module Guide Rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

8.7 Replacing the Subrack Interconnect Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

8.8 Final Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Appendix A – Interface Pin Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

System Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

Ethernet Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

PMU Auxiliary DC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

Appendix B – Inter-Module Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Dual 50W Base Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Single 50W Base Station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114

100W Base Station. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

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Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Tait Software License Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Directive 1999/5/EC Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

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TB9300 Installation and Operation Manual Preface 7 © Tait Limited March 2017

Preface

Scope of Manual

This manual provides information on installing and operating the TB9300 base station. It is intended for use by experienced technicians familiar with installing and operating base station equipment. It also includes configuration, maintenance and troubleshooting information.

Unless mentioned specifically, this manual will use the term “base station” to refer to both base station and repeater.

Document Conventions

The TB9300 base station has a web interface with an accordion menu on the left side of the screen. “Configure > Base Station > Channels” means click Configure in the top-level menu, then in the expanded Configure menu click Base Station, and finally click on the Channels tab on that page.

Within this manual, four types of alerts may be given to the reader. The following paragraphs illustrate each type of alert and its associated symbol.

Warning This alert is used when there is a hazardous situation

which, if not avoided, could result in death or serious injury.

Caution This alert is used when there is a hazardous situation which, if not avoided, could result in minor or moderate injury.

Notice This alert is used to highlight information that is required to ensure procedures are performed correctly. Incorrectly performed procedures could result in equipment damage or malfunction.

This icon is used to draw your attention to information that may improve your understanding of the equipment or procedure.

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8 Preface TB9300 Installation and Operation Manual

Associated Documentation

The following associated documentation for this product is available on the Tait support website.

■ TB9300 Specifications Manual (MBC-00009-xx)

■ TN9300 DMR Tier 2 Conventional Radio Network System Manual

(MNB-00005-xx)

■ TN9300 DMR Tier 3 Trunked Radio Network System Manual

(MNB-00003-xx)

■ TN9300 DMR Radio Network Node Controller Installation Manual

(MNB-00001-xx)

■ Safety and Compliance Information (MBA-00012-xx)

The characters xx represent the issue number of the documentation.

Technical notes are published from time to time to describe applications for Tait products, to provide technical details not included in manuals, and to offer solutions for any problems that arise. Technical notes are available in PDF format from the Tait support website. For more information contact your regional Tait office.

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TB9300 Installation and Operation Manual Preface 9 © Tait Limited March 2017

Publication Record

Issue Publication Date Description

1 July 2012 First release

2 October 2012 General updates for version 1.05 release.

Information added on compliance standards, firmware download procedure, reciter and PA product codes.

3 June 2013 General updates for version 1.15 release and the K-band

base station.

4 August 2013 General updates for version 1.20 release and the H-band

base station.

5 November 2013 General updates for version 1.25 release.

6 April 2014 General updates for version 1.30 release.

PMU fan thresholds updated. Information added on proximity to RF transmissions, AAA Authentication, and checking for interference on a receive channel.

7 August 2014 General updates for version 1.35 release and the

H3-band base station.

8 November 2014 General updates for version 1.40 release and the L2-band

base station.

9 March 2015 General updates for version 2.00 release, the DMR Tier 2

conventional base station, and B2-band.

10 July 2015 General updates for version 2.05 release.

Information added for uploading security certificates setting alarm severity external frequency reference stability requirements

11 November 2015 General updates for version 2.10 release.

Information added for HC band and analog base stations. Feature license names updated.

12 March 2016 General updates for version 2.15 release.

Information added for G-band. Clarification of repeater vs. base station for K and L bands in Brazil added.

13 June 2016 General updates for the 2.20 release. Information

reworded in some areas. Title bar screen image updated.

14 November 2016 General updates for the 2.25 release

Added

Working with Configurations.

Updated images in

Troubleshooting Alarms and Viewing

Configuration Settings

. Added MPT-IP information. Added description of fallback mode.

15 March 2017 General updates for the 2.30 release.

Added paragraph for MPT operation in

Applications on

page 19

Added C-Band information to the tables and to

Tuning the Reciter on page 61

Completely revamped the entire “Cabinet and Rack

Ventilation” section.

Added some missing K4 and K8 band frequency information.

Page 10

10 Description TB9300 Installation and Operation Manual

1 Description

The Tait TB9300 base station is a robust state-of-the-art digital fixed station that combines Tait’s proven strengths in reliability, high performance and modular design with software-based configurability and operation, digital signal processing, and voice-over-IP technology.

The base station operates as a transceiver in trunked DMR or MPT networks, and as a repeater in DMR or analog conventional networks. In a DMR or MPT trunked network, the TB9300 provides control channel and traffic channel functions, including stand-alone operation in fallback mode.

The TB9300 operates as a simple, conventional analog repeater with CTCSS1 or DCS subaudible signaling2.

The base station combines industry-leading digital voice quality with rugged design specifications and intuitive user interfaces. These products have been designed to meet the demanding needs of professional radio users.

The ability of the base station to link stations using standard Internet Protocol communications, and to add features through software options ensures that systems designed with the TB9300 are scalable in both size and functionality.

Its Ethernet interface provides built-in network connectivity. This network supports voice-over-IP in DMR networks, and remote management of all base stations via a web browser.

1. Private Line (PL).

2. Multi-site operation with voice-over-IP connection will be supported in a later release.

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TB9300 Installation and Operation Manual Description 11 © Tait Limited March 2017

1.1 Features

The following are some of the features of the base station:

■ Fully compliant with the DMR Tier 2 and Tier 3 Standards.

Can therefore interoperate with any similarly compliant radios.

■ Analog conventional repeater operation.

■ MPT operation as control channel or traffic channel transceiver in MPT/

IP network including standalone operation.

■ Can be completely managed remotely from a PC running a web

browser: configuration, alarm monitoring, fault diagnosis, feature and firmware upgrades. Alarms can also be reported via SNMP traps, allowing integration with an SNMP-based network management system.

■ An integrated wiring solution is provided for the system control bus and

DC power connections to each module in the subrack.

■ Reciters (receiver/exciter modules) can be replaced without affecting

the operation of other reciters in the same subrack.

■ Rugged construction with generous heatsinks and fan-forced cooling

for continuous operation from –22° F to + 140°F (–30°C to + 60°C).

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12 Description TB9300 Installation and Operation Manual

1.2 Modules

The base station consists of a subrack with up to two physical transmit/ receive channels.

The single PMU (power management unit) supplies and manages power to the whole subrack (refer to “Theory of Operation” on page 21). One reciter and one PA (power amplifier) are needed for each physical transmit/receive channel. There is also a front panel with user controls and fans. The modules are interconnected at the front of the subrack. External connections to the modules are located at the rear.

Modules come in different variants depending, for example, on the RF band or the supply voltage.

Each module is inserted into the 4U subrack from the front and is secured at the front with a metal clamp. Both clamp and module are easily removed for rapid module replacement. The modules are secured laterally with plastic guides that clip into the top and bottom of the subrack. These guides can be easily repositioned to change the configuration of a subrack. The heavier modules are also secured laterally by metal tabs at the rear of the subrack.

The following provides a brief description of the available modules.

Subrack The 4U subrack is made of passivated steel and is designed to fit into a

standard 19 inch rack or cabinet. The subrack is fitted with an interconnect board that connects the system control bus and power to the modules and front panel. The position of a module in the subrack is defined by the socket on the subrack interconnect board to which the module is connected by the system control bus.

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TB9300 Installation and Operation Manual Description 13 © Tait Limited March 2017

Front Panel The front panel is mounted onto the subrack with two quick-release

fasteners. It incorporates the indicator LEDs, four-line LCD display, user controls, ambient temperature sensor and cooling fans.

The indicator LEDS allow some monitoring of the operational status of the base station. The user controls and display allow the technician to configure the IP address of each module. Refer to

“Front Panel” on page 39

for more information.

The microphone input and speaker are not used in this release of the TB9300.

Reciter The reciter module comprises the

receiver, exciter and digital control circuitry. The reciter provides the Ethernet interface and system inputs and outputs.

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14 Description TB9300 Installation and Operation Manual

Power Amplifier The PA amplifies the RF output from the reciter and is available in 50W

and 100W models.

The 50W model mounts vertically in the subrack, while the 100 W model mounts horizontally as it has a wider heatsink. The 100W PA is also fitted with an airflow duct.

Both models are designed to operate on the 28 VDC output provided by the PMU.

Power Management Unit

The PMU provides the 28VDC power supply for the modules in the subrack. It can operate on 120/230VAC 50/60Hz nominal, and 12, 24 or 48VDC nominal. The input voltage can be AC, DC, or both AC and DC, depending on the model. The PMU also has an auxiliary DC output of 13.65VDC, 27.3VDC, or

54.6VDC, depending on the model.

50W PA 100W PA

AC and DC PMU shown

Page 15

TB9300 Installation and Operation Manual Description 15 © Tait Limited March 2017

1.3 Mechanical Assembly

This section illustrates the main mechanical components of the base station.

Figure 1.1 below shows the configuration for a typical dual 50W base

station. The subrack has six slots, numbered from right to left as viewed from the front of the subrack. The PMU occupies slots 5 and 6, with the reciters in slots 1 and 2. The two PAs are mounted vertically in slots 3 and 4 with the heatsinks facing each other. The airflow separator between the PAs helps to direct the cooling airflow evenly through each heatsink. The PMU and each pair of reciters and PAs have their own cooling fans.

The front panel can be easily removed from the subrack by undoing two quick-release fasteners. Refer to

“Replacing Modules” on page 99 for more

details.

Figure 1.1 Mechanical assembly - dual 50W base station with front panel

front panel

reciter 1

subrack

module retaining clamp

PMU

subrack interconnect board

PA 2

airflow separator

PA 1

plastic guide rail

cable retaining clip

subrack interconnect board retaining clamp

reciter 2

front panel fastener

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16 Description TB9300 Installation and Operation Manual

Figure 1.2 below shows the configuration for a typical single 50W base

station. The PMU again occupies slots 5 and 6, with the reciter in slot 1 and the PA in slot 3. The single PA is mounted vertically with the heatsink facing the center of the subrack. This positions the cooling fins directly behind the fan.

Figure 1.2 Mechanical assembly - single 50W base station

PMU

reciter

50W PA

subrack

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TB9300 Installation and Operation Manual Description 17 © Tait Limited March 2017

Figure 1.3 below shows the configuration for a typical 100 W base station.

The PMU occupies slots 5 and 6, with the PA directly beside it in slots 3 and 4. The reciter occupies slot 1. Unlike the 50W PAs, the 100W PA is mounted horizontally with the heatsink facing upwards. It is also fitted with an airflow duct to channel the airflow from the cooling fan through the heatsink fins.

Figure 1.3 Mechanical assembly - single 100W base station

PMU

reciter

subrack

airflow duct

cable retaining clip

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18 Description TB9300 Installation and Operation Manual

1.4 Frequency Bands and Sub-bands

Much of the circuitry in the base station is common to all frequency bands, and is therefore covered by a single description in this manual. In some cases the descriptions refer to specific bands or sub-bands, and these are identified with the letters listed in the following table.

In Brazil, for K and L bands, the TB9300 is considered to be configured as a base station with retransmission of receive frequencies.

Frequency Identification Frequency Band and Sub-band 50W 100W

B band B2 = 136 to 156 MHz

B3 = 148 to 174 MHz

✓ ✓

C Band C3 = 216 to 225 MHz

✓

G band G4 = 330 to 380 MHz

✓

H band H1 = 400 to 440 MHz

H2 = 440 to 480 MHz H3 = 470 to 520 MHz

✓ ✓

HC = 400 to 440 MHz (receive) HC = 440 to 480 MHz (transmit)

✓

K band K4

Transmit: 762 to 776 & 850 to 870 MHz Receive: 792 to 824 MHz

K8 Transmit: 757 to 758 MHz Receive: 787 to 788 MHz

✓ ✓

✓

L band L2 = 896 to 902 MHz (receive)

L2 = 927 to 941 MHz (transmit)

✓

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TB9300 Installation and Operation Manual Description 19 © Tait Limited March 2017

1.5 Applications

The TB9300 is designed for operation in a Tait TN9300 DMR Tier 2 conventional radio network, a Tait TN9300 DMR Tier 3 trunked radio network, an MPT-IP network, or as an analog conventional repeater.

In a DMR Tier 2 conventional network it can operate as a stand-alone repeater, or as a member of a multi-site system (under the supervision of a DMR conventional node). Since DMR provides two logical channels (timeslots) simultaneously for each radio frequency (physical channel), two users can alternately access the same frequency, one in each timeslot. Base stations on different sites can be linked together to form channel groups. A base station can support two channel groups, one in each timeslot.

In a DMR Tier 3 trunked network it can operate as a traffic channel or a control channel. With two logical channels for each radio frequency, a single TB9300 base station can provide two traffic channels, two control channels, or both a traffic channel and a control channel. In an MPT network, the TB9300 operates as a control channel or as a traffic channel. The TB9300 operates with a trunking node or in fallback operation, both of which can be either trunked or conventional.

In analog operation it can operate as a conventional repeater with CTCSS1 or DCS subaudible signaling2.

For more information, refer to the DMR System Manual.

1. Private Line (PL).

2. Multi-site operation with voice-over-IP connection will be supported in a later release.

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20 Description TB9300 Installation and Operation Manual

1.6 Licenses

Some operational functions of the base station are controlled by licenses. These functions will not work unless you purchase the appropriate feature license and enable the feature set controlled by that license. The feature sets currently available are listed below.

The central voter and satellite licences are alternatives. The base station is fully functional without them.

The base stations in a Tait DMR Tier 3 Network are controlled by a node (DMR trunking controller). Tait sells three types of node: Full, Express and Access. Each type of node has different capabilities. Refer to TN-2134 for more information.

Analog Air Interface (TBAS301 - Default Licence)

A base station with this license can operate as an MPT transceiver or an analog conventional repeater.

DMR Trunking Full (TBAS300)

A base station with this license can accept connections from any node/ standalone node1. In single-site trunking and fallback modes, this license entitles a standalone node to control a single site of up to 20 physical channels.

DMR Trunking Express (TBAS302)

A base station with this license can accept connections from any Express node/standalone node or Access standalone node. In single-site trunking and fallback modes, this license entitles a standalone node to control a single site of up to 20 physical channels. For more information on DMR Trunking Express, see the TB9300 System Manual

DMR Trunking Access (TBAS303)

A base station with this license can accept connections only from an Access standalone node. This license entitles a standalone node to control a single site of up to four physical channels.

DMR Conventional (TBAS304)

A base station with this license can operate in a Tait DMR Tier 2 conventional network. It can operate as a standalone repeater, or as a member of a multi-site system (under the supervision of a DMR conventional node).

A base station with both a DMR Conventional license and a valid DMR trunking license (such as Full, Express or Access) can be configured to operate in either mode. This enables a DMR Tier 2 base station to be reconfigured and re-used in a DMR Tier 3 trunked network.

1. The base station itself can act as a DMR trunking controller, but with limited functionality. The base station is then said to be a standalone node.

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TB9300 Installation and Operation Manual Description 21 © Tait Limited March 2017

1.7 Theory of Operation

The reciter receives RF signals from its RF input and sends RF from its RF output to the PA, along with a PA key signal. The reciter also receives signals from, and sends signals to, the system interface, the Ethernet interface, and the front panel (see Figure 1.4).

A system control bus interconnects the modules and carries alarm and control signaling between the reciter and the other modules (refer to

“Intermodule Communications” on page 24 for more details).

The Ethernet interface carries voice over IP and also allows maintainer access via a web browser.

Figure 1.4 Base station high-level diagram

Reciter

PMU

RF To

Antenna

RF From

Antenna

External Reference Frequency

AC Input

DC Input

28VDC

System Control Bus

RF + PA Key

System Input and Output

Ethernet Interface to Network

Front Panel

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22 Description TB9300 Installation and Operation Manual

The reciter carries out signal processing and has overall control of the base station. Its circuit boards are shown in

Figure 1.5.

The receiver board contains all the receiver circuitry, while the exciter circuitry is located on the transmit forward board.

The reciter control board converts information between analog and digital and controls the maintainer’s access via the front panel. It performs the air interface signal processing for digital DMR operation, gives the base station an identity as a network element, and provides the physical connections for the Ethernet and system interfaces.

Figure 1.5 Reciter boards

RF Input

RF Output

Receiver

Board

Transmit Forward

Board

Front Panel

Reciter Control

Board

Maintainer Access

System Input and Output

Ethernet Interface to Network

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TB9300 Installation and Operation Manual Description 23 © Tait Limited March 2017

1.7.1 Signal Paths

Figure 1.6 gives an overview of signal paths within the reciter.

Digital DMR signals from the receive RF interface pass through the digital receiver and DMR modem to the control software in the RISC processor. The control software passes the signal through the Ethernet interface to the node controller.

Input to the Ethernet interface is from the node controller. This input is processed by the RISC and passed through the DMR modem to the transmitter.

Analog FM signals from the receive RF interface pass through the digital receiver and are converted to G.711 before being modulated and retransmitted.

1.7.2 Online and Offline Modes

The base station normally operates in Online mode, but you can put it into Offline mode via its web interface.

Online Mode In Online mode, the base station performs its normal functions.

Offline Mode Some procedures, such as activating firmware or running certain diagnostic

tests, require the base station to be in Offline mode. This takes the base station out of service. However, the front panel is still operational and can be used in the normal way.

Figure 1.6 Reciter signal paths

Modulator

Demodulator

DMR

Modem

Baseband

Audio

G.711

ControlADC DDC

DAC

RTP

UDP

Transmit RF Interface

Receive RF Interface

Ethernet Interface

Protocol

Stack

Reciter Control Board

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24 Description TB9300 Installation and Operation Manual

1.7.3 Intermodule Communications

A system control bus and a subrack interconnect board link the modules in the subrack and carry alarm and control signaling between the reciter and the other modules, as shown in Figure 1.7.

Specific configuration settings for dual base stations are described in

“Recommended Configuration Settings” on page 59.

Figure 1.7 Intermodule communication paths

FanFan

Fan

I C

RS-485

I C

Fan

PA 1

Subrack Interconnect Board

PA 2

Reciter 1

Front Panel

Fan 3:

PMU

Fan 1:

Reciters

Fan 2:

PAs

Reciter 2

User

Controls

PMU

I C Current

Source

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TB9300 Installation and Operation Manual Description 25 © Tait Limited March 2017

1.7.4 Power Management and Distribution

The PMU manages the supply of power to ensure uninterrupted operation of the base station. A range of parameters is monitored and these can trigger alarms that are sent to the reciter. Alarms can be monitored via the web interface and reported via SNMP traps; they are also recorded in the reciter’s internal log file.

AC to DC Changeover

When the PMU has an AC and a DC module, the base station can be powered by either the AC (mains) or the DC (battery) supply. The base station will default to the AC supply if both supplies are provided. If the AC supply becomes unavailable, a seamless changeover from the AC to DC supply takes place, providing that the battery voltage is above the configured minimum startup voltage. You can use a web browser to check whether the base station is running on battery or mains power.

DC Operation When the base station is running off the DC supply and the battery voltage

falls below the configured minimum, the base station will enter battery protection mode to protect the battery and base station equipment. The standby power supply card maintains the power to the PMU microprocessor, while the rest of the PMU is shut down. When the battery voltage rises to the configured startup setting, power is resumed to the DC supply. Refer to “PMU Operation on DC Input” on page 27 for more detailed information.

Auxiliary Power Control

The output from the auxiliary power supply board can be used to power other site equipment. The maximum output is 40W.

Distribution

Figure 1.8 shows how power is distributed to modules in the subrack. The

28VDC output from the PMU is fed directly to the PA in a single base station, or directly to PA 1 in a dual base station, and to the other modules via the subrack interconnect board. Power to the reciters and front panel is current-limited by self-resetting fuses on the subrack board.

The AC converter has a series switch which breaks the phase input to the converter. The DC input, however, has much higher current ratings. Its switch does not disconnect power from the DC converter itself, but disables the converter by switching off its control circuitry.

The outputs from both the AC and DC high power converters are added together and fed to the modules via the high-current outputs. The auxiliary output is also tapped off this summed output.

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26 Description TB9300 Installation and Operation Manual

Figure 1.8 Subrack power distribution

DC AC

28V

Aux. DC 28V

PMU

PA Reciter

Subrack

Board

Front Panel

DC AC

28V

Aux. DC 28V

PMU

PA 1 PA 2 Reciter 1

Subrack

Board

Reciter 2

Front Panel

Single

Dual

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TB9300 Installation and Operation Manual Description 27 © Tait Limited March 2017

1.7.5 PMU Operation on DC Input

The operation of the PMU on DC input is controlled by three sets of parameters:

■ user-programmable alarms

■ user-programmable startup and shutdown limits

■ battery protection limits

The voltage range for each of these parameters is provided in

Table 1.1 on page 28. Figure 1.9 on page 29 illustrates how these parameters interact,

and how they control the operation of the PMU over a range of DC input voltages.

Alarms User-programmable alarms can be set for low or high battery voltage

(Configure > Alarms > Thresholds). The alarms will be triggered when the set voltage levels are reached. These limits are subject to the tolerances of the battery protection circuitry, as stated in “Battery Protection (Fail-safe) Limits” in

Table 1.1.

Startup and Shutdown Limits

The user-programmable startup and shutdown limits allow for adjustable startup and shutdown voltages (Configure > Base Station > Miscellaneous). These limits can be adjusted for different numbers of battery cells, or for the particular requirements of the base station operation. Once the limits are reached, the PMU will shut down. These limits are subject to the tolerances of the battery protection circuitry, as stated in “Battery Protection (Fail-safe) Limits” in

Table 1.1.

Notice It is possible to set the startup voltage of the base station below the nominal voltage of the battery. Continuing to use a battery for extended periods when it is below its nominal voltage will severely shorten its service life. For more information on battery management, we recommend that you consult the battery manufacturer.

Battery Protection Limits

The battery protection limits are set in hardware at the factory, and cannot be adjusted by the user. These limits will not be reached under normal operation conditions, but are provided as “fail-safe” measures to protect the battery from deep discharge. They also remove the need for low-voltage disconnect modules.

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28 Description TB9300 Installation and Operation Manual

Table 1.1 PMU DC voltage limits

Parameter

Voltage Range

12V PMU 24V PMU 48V PMU

User-programmable Alarms

Low Battery Voltage High Battery Voltage

10V to 14V 14V to 17.5V

20V to 28V 28V to 35V

40V to 56V 56V to 70V

User-programmable Limits

Startup Voltage (after shutdown) Shutdown Voltage

10.9V to 15V ±0.3V 10V to 13.5V ±0.3V

21.8V to 30V ±0.5V 20V to 27V ±0.5V

43.6V to 60V ±1V 40V to 54V ±1V

Battery Protection (Fail-safe) Limits

Startup Voltage Undervoltage Shutdown Overvoltage Shutdown Overvoltage Shutdown Reset

10.8V +

0.2V

9.5V +

0.3V

18.1V +

0.3V

17.1V +

0.3V

21.6V +

0.5V

19V +

0.5V

36.2V +

0.5V

34.2V +

0.5V

43.2V +

38V +

72.4V +

68.4V +

a. The information in this table is extracted from the Specifications Manual. Refer to the latest issue of this manual

for the most up-to-date and complete PMU specifications.

b. Using the base station’s web interface.

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TB9300 Installation and Operation Manual Description 29 © Tait Limited March 2017

Figure 1.9 PMU alarm thresholds and voltage limits when operating on DC

Time

DC Input Voltage

Overvoltage Shutdown (HW)

Undervoltage Shutdown (HW)

Overvoltage Shutdown Reset (HW)

High Battery Voltage Alarm (SW Alarm)

Low Battery Voltage Alarm (SW Alarm)

Startup Voltage (SW)

Shutdown Voltage (SW)

Startup Voltage (HW)

Run

Stop

Active

Off

Software Control &

Hardware Combined

Hardware Behaviour

Software Alarm

(Low Battery Voltage)

Software Alarm

(High Battery Voltage)

30s delay 30s delay 30s delay

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30 Description TB9300 Installation and Operation Manual

1.7.6 Front Panel Fans

The front panel is equipped with three fans. Fan 1 is for the reciters, fan 2 is for the PAs, and fan 3 is for the PMU. Front panel fans do not operate continuously, but are switched on and off as needed by their associated module. In a dual base station either PA or reciter can turn on its fan. The reciter in slot 1can also carry out a fan test on all three fans.

Front panel fans are 3-wire fans (power, ground, and rotation detect). The reciter can monitor whether the fans are rotating and generate an alarm if the fan fails.

The fans turn on for a few seconds when the base station is powered up, and also after the front panel is refitted to a base station which is powered up.

Configuring Fan Control

The operation of the PA fan is configurable via the web interface; you can specify the threshold temperature at which the fan will be turned on, and set the fan to operate only when the PA is transmitting.

The PMU fan has fixed on/off thresholds and a defined set of duty cycles based on the PMU temperature and load current, as described in the following table.

PMU Temperature Current Fan Duty Cycle

<149°F (65°C) <4A

4A–6A 6A–8A 8A–12A 12A–14A t 15A

always off 2 minutes on, 8 minutes off 2 minutes on, 5 minutes off 3 minutes on, 3 minutes off 4 minutes on, 1 minute off always on

>149°F (65°C) –– always on

Page 31

TB9300 Installation and Operation Manual General Safety and Regulatory Information 31 © Tait Limited March 2017

2 General Safety and Regulatory

Information

This chapter provides general information on safety precautions for operating the base station.

2.1 Personal Safety

2.1.1 Unpacking and Moving the Equipment

To prevent personal injury and equipment damage, we recommend that two people unpack and move the equipment.

Caution A subrack complete with modules can weigh up to 62lb (28kg), or up to 66lb (30 kg) complete with packaging. We recommend that you have another person help you unpack and move the equipment. The TBAA03-16 carrying handles will make it easier to move the equipment once it has been unpacked. If necessary, remove the modules from the subrack before moving it (refer to

“Replacing Modules” on

page 99

). In all cases follow safe lifting practices.

2.1.2 Lethal Voltages

Warning

The PMU contains voltages that may be lethal. Refer

to the ratings label on the rear of the module.

The equipment must be installed so that the rear of the PMU is located in a service access area which is accessible only by qualified personnel. The PMU must be connected to the mains supply source by qualified personnel in accordance with local and national regulations.

Disconnect the mains IEC connector and wait for five minutes for the internal voltages to self-discharge before dismantling. The AC power on/off switch does not isolate the PMU from the mains. It breaks only the phase circuit, not the neutral.

The PMU should be serviced only by qualified technicians. There are no user-replaceable parts inside. If the PMU is damaged and does not function properly, stop the module safely and contact your regional Tait office immediately.

All servicing should be carried out only when the PMU is powered through a mains isolating transformer of sufficient rating.

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32 General Safety and Regulatory Information TB9300 Installation and Operation Manual

2.1.3 AC Power Connection

2.1.4 Explosive Environments

Warning

Do not operate the equipment near electrical blasting caps or in an explosive atmosphere. Operating the equipment in these environments is a definite safety hazard.

2.1.5 High Temperatures

Take care when handling a PMU or PA which has been operating recently. Under extreme operating conditions (+140°F [+60° C] ambient air temperature) or high duty cycles, the external surfaces of the PMU and PA can reach temperatures of up to +176°F (+ 80°C).

2.1.6 LED Safety (EN 60825-1)

This equipment contains Class 1 LED Products.

English (en) The PMU must be connected to a grounded mains

socket-outlet.

Norsk (no) Apparatet må tilkoples jordet stikkontakt.

Suomi (fi) Laite on liitettävä suojamaadoitus-koskettimilla

varustettuun pistorasiaan.

Svenska (sv) Apparaten skall anslutas till jordat uttag.

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TB9300 Installation and Operation Manual General Safety and Regulatory Information 33 © Tait Limited March 2017

2.1.7 Proximity to RF Transmissions / A proximité des émissions RF

To comply with the RF Field Limits for Devices Used by the General Public for (Uncontrolled Environment)a, a safe separation distance of at least 12 feet (3.6 metres) from the antenna system should be maintained.

This figure is calculated for a typical installation, employing one 100W base station transmitter. Other configurations, including installations at multi-transmitter sites, must be installed so that they comply with the relevant RF exposure standards.

a. Reference Standards

Health Canada’s Safety Code 6: Limits of Human Exposure to

Radiofrequency Electromagnetic Energy in the Frequency Range from 3kHz to 300 GHz

USA Federal Communications Commission OET bulletin 65 (47CFR 1.1310) IEEE C95.1 2005: Standard for Safety Levels with Respect to Human

Exposure to Radio Frequency Electromagnetic Fields, 3kHz to 300GHz

Pour respecter les limites imposées au champ RF au niveau des équipements utilisés par le grand public (environnement non contrôlé)a, une distance de séparation de sécurité d’au moins 3.6 mètres du bloc d’antenne devrait être observée.

Ce nombre est calculé pour une installation typique, ayant un émetteur de station de base de 100 W. D’autres configurations, incluant les installations ayant des sites de plusieurs émetteurs, doivent être installées de façon à se conformer aux normes pertinentes des expositions RF.

a. Normes de référence

Code de sécurité 6 de Santé Canada: Limites d'exposition humaine à

l’énergie électromagnétique radioélectrique dans la gamme de fréquences de 3kHz à 300 GHz

Commission fédérale des communications (FCC) des Etats Unis d’Amérique bulletin OET numéro 65 (47CFR 1.1310) IEEE C95.1 2005: Norme pour les niveaux de sécurité compatibles avec

l'exposition des personnes aux champs électromagnétiques de radiofréquence 3 kHz à 300 GHz

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34 General Safety and Regulatory Information TB9300 Installation and Operation Manual

2.2 Equipment Safety

2.2.1 Installation and Servicing Personnel

The equipment should be installed and serviced only by qualified personnel.

2.2.2 Preventing Damage to the PA

The base station has been designed to operate safely under a wide range of antenna loading conditions. Transmitting into a low VSWR will maximize the power delivered to the antenna.

Notice Do not remove the load from the PA while it is transmitting.

Load transients (switching or removing the load) can damage the PA output stage. See

“Connecting RF” on page 74 for recommendations.

2.2.3 ESD Precautions

Notice This equipment contains devices which are susceptible to

damage from static charges. You must handle these devices carefully and according to the procedures described in the manufacturers’ data books.

We recommend you purchase an antistatic bench kit from a reputable manufacturer and install and test it according to the manufacturer’s instructions.

Figure 2.1 shows a typical antistatic bench set-up.

You can obtain further information on antistatic precautions and the dangers of electrostatic discharge (ESD) from standards such as ANSI/ ESD S20.20-1999 or BS EN 100015-4 1994.

Figure 2.1 Typical antistatic bench set-up

common point ground (building ground or mains ground)

conductive wrist strap

dissipative rubber bench mat

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TB9300 Installation and Operation Manual General Safety and Regulatory Information 35 © Tait Limited March 2017

2.2.4 Anti-tampering Devices

All network elements should be physically secured, where possible. This includes the use of locked cabinets and the use of seals on connectors.

All network connectors should be sealed with the stick-on type of seal. The purpose of the seals is to detect unauthorized tampering. The seal should reveal if any of the connectors have been unplugged or if any unauthorized equipment has been plugged in.

The seals must be difficult to remove without breaking, and must bridge between the cable and equipment side (plug and socket) of the connection.

Seals must cover any unused network sockets. This includes the Ethernet connector on the rear panel, any spare switch ports, and the console port on the router and switch.

The seals must be difficult to reproduce. A sticker initialed or signed by the technician should satisfy this.

Seals must be replaced if they need to be disturbed during maintenance.

2.3 Environmental Conditions

2.3.1 Operating Temperature Range

The operating temperature range of the equipment is –22°F to + 140°F (–30°C to +60°C) ambient temperature. Ambient temperature is defined as the temperature of the air at the intake to the cooling fans.

2.3.2 Humidity

The humidity should not exceed 95% relative humidity through the specified operating temperature range.

2.3.3 Dust and Dirt

For uncontrolled environments, the level of airborne particulates must not exceed 100µg/m

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36 General Safety and Regulatory Information TB9300 Installation and Operation Manual

2.4 Regulatory Information

2.4.1 Distress Frequencies

The 406 to 406.1MHz frequency range is reserved worldwide for use by Distress Beacons. Do not program transmitters to operate in this frequency range.

2.4.2 Compliance Standards

This equipment has been tested and approved to various national and international standards. Refer to the latest issue of the Specifications Manual for a complete list of these standards.

2.4.3 FCC Compliance

This equipment complies with:

■ CFR Title 47 Part 15 Class B (except PMU):

Radiated and conducted emissions, and electromagnetic susceptibility specifications of the Federal Communications Commission (FCC) rules for the United States.

Operation is subject to the following two conditions:

a. This device may not cause harmful interference, and

b. This device must accept any interference received, including

interference that may cause undesired operation.

■ CFR Title 47 Part 15 Class A (PMU only):

Radiated and conducted emissions, and electromagnetic susceptibility specifications of the Federal Communications Commission (FCC) rules for the United States.

Operation is subject to the following two conditions:

a. This device may not cause harmful interference, and

b. This device must accept any interference received, including

interference that may cause undesired operation.

2.4.4 Unauthorized Modifications

Any modifications you make to this equipment which are not authorized by Tait may invalidate your compliance authority’s approval to operate the equipment.

The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.

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TB9300 Installation and Operation Manual General Safety and Regulatory Information 37 © Tait Limited March 2017

2.4.5 Health, Safety and Electromagnetic Compatibility in Europe

In the European Community, radio and telecommunications equipment is regulated by Directive 1999/5/EC, also known as Radio and Telecommunications Terminal Equipment (R&TTE) directive. The requirements of this directive include protection of health and safety of users, as well as electromagnetic compatibility.

Intended Purpose of Product

This product is a radio transceiver. It is intended for radio communications in the Private Mobile Radio (PMR) or Public Access Mobile Radio (PAMR) services, to be used in all member states of the European Union (EU) and states within the European Economic Area (EEA). This product can be programmed to transmit on frequencies that are not harmonized throughout the EU/EEA, and will require a licence to operate in each member state.

Declaration of Conformity

You can download the formal Declaration of Conformity from

www.taitradio.com/eudoc.

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38 Operation TB9300 Installation and Operation Manual

3 Operation

This section describes the user controls and indicator LEDs on the front panel and on the base station modules.

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TB9300 Installation and Operation Manual Operation 39 © Tait Limited March 2017

3.1 Front Panel

The user controls and indicator LEDs on the front panel are shown in

Figure 3.1. They allow some manual control over the base station and

monitoring of its operational status.

Notice If there is more that one reciter in a subrack, inputs from all reciters are summed to drive the front panel LEDs.

Speaker and Microphone Connector

The speaker and microphone connector are not used in this release of the base station.

Power LED The green power LED is lit when power is supplied to the subrack.

Alarm LED The red alarm LED will flash at a rate of 2 to 5Hz when an alarm has been

generated by any of the base station modules. It will continue to flash until the alarm is canceled or the fault is fixed. Note that only those alarms which are enabled using the

web interface will cause this LED to flash.

Figure 3.1 Operating controls on the control panel

speaker

receive LED

microphone connector

transmit LED

power LED

keypad

alarm LED

display

d e

g i

b c

LED Description

Flashing One or more faults are present.

On (steady) A base station is in Offline mode, and no faults are present.

Off A base station is in Online mode, and no faults are present.

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40 Operation TB9300 Installation and Operation Manual

Receive LED The amber receive LED indicates whether the base station is receiving a

valid RF signal on one or both logical channels.

Transmit LED The amber transmit LED is lit while the transmitter is transmitting.

Keypad The keypad is used to navigate the base station’s menus, enter text, and to

adjust the contrast of the display. The complete list of menu items is provided in

“Menu Map” on page 42.

If required, the keypad can be disabled in the web interface to prevent access to the base station via the front panel menus (see

“Disabling the

Front Panel Keypad” on page 93

Unlike a computer keyboard, the keys do not auto-repeat. Each action requires a separate key-press.

LED Description

On (steady) A base station is receiving a valid RF signal.

Off A base station is not receiving a valid RF signal.

Key Name Function

left and right arrow keys

■ Move the cursor to the left or right when entering text. Moving the

cursor beyond the end of a line will return it to the other end of the same line.

■ Decrease or increase the contrast in the Display Contrast screen.

scroll keys ■ Scroll up and down through a list of menu items.

■ Scroll up and down through the list of available characters when

entering text.

■ Increase or decrease the contrast in the Display Contrast screen.

OK ■ Selects the highlighted menu item.

■ Confirms any adjustments made and exits to the previous menu.

■ When setting the IP address, moves the cursor down one line. When all

the IP addresses are confirmed, exits to the previous menu.

home ■ Returns to the home screen from any other menu.

return ■ Returns to the previous menu.

■ Moves the cursor up one line in the IP address screen. When the top

line is reached, pressing again returns to the previous menu.

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TB9300 Installation and Operation Manual Operation 41 © Tait Limited March 2017

Display The display is used in conjunction with the keypad to access the base

station’s menus. It allows the technician to configure the IP address of each reciter (refer to

“Setting the IP Address” on page 81), and to set the contrast

of the display (see below).

After the base station is powered up, the display shows “Please wait. . .” while the base station is starting up, followed by the home screen when the start-up process is complete. The home screen shows four lines of userdefined text, which can be entered via the web interface (Identity > Identity > Base Station Identity).

From the home screen press an arrow key, a scroll key or OK to go to the base station menu. The display returns to the home screen from any other screen 30 seconds after the last key press. Press any key to turn on the backlight. The backlight turns off 30 seconds after the last key press.

If the keypad has been disabled, pressing an arrow key, a scroll key or OK will cause the display to show “Keypad Disabled”.

Set the display contrast as follows:

1. From the base station menu select Modules > Front Panel > Contrast.

2. To increase the contrast, press the right arrow or scroll up key. To decrease the contrast, press the left arrow or scroll down key.

3. When the contrast is set to the required level, press OK to save the changes and exit the menu.

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42 Operation TB9300 Installation and Operation Manual

Menu Map The menu map below shows the menu items available in this release of the

base station.

Notice The menu map shown is for a single base station. The menu

items available in your base station will depend on which modules are present in the subrack, and whether the keypad has been disabled (refer to

“Disabling the Front Panel Keypad” on page 93).

Modules

Reciter 1 Front Panel

Base Station

Modules

Reciter 1

View Reciter 1 Address Edit Reciter 1 Address

Front Panel

Contrast

Home Screen

Contrast

View Reciter 1 Address

IP: 172.025.198.043 MASK: 255.255.000.000 GW: 172.025.002.251

Edit Reciter 1 Address

IP: 172.025.198.043 MASK: 255.255.000.000 GW: 172.025.002.251

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TB9300 Installation and Operation Manual Operation 43 © Tait Limited March 2017

3.2 Module Indicator LEDs and Switches

Additional status information is displayed by LEDs in individual modules. The PMU also has switches that let you turn the AC and DC modules off.

3.2.1 Reciter

Front View The indicator LEDs on the front of the reciter are visible through a slot in

its front panel.

These LEDs provide the following information about the state of the reciter:

■ steady green - the reciter is powered up

■ flashing red - one or more alarms have been generated; you can use the

web interface to find out more details about the alarms.

Figure 3.2 Indicator LEDs on the front of the reciter

indicator LEDs

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44 Operation TB9300 Installation and Operation Manual

Rear View The indicator LEDs on the rear of the reciter are on the Ethernet connector.

These LEDs provide the following information about the state of the reciter:

■ steady amber - the Ethernet interface is connected

■ flashing green - data is being transmitted across the Ethernet interface.

Figure 3.3 Indicator LEDs on the rear of the reciter

indicator LEDs

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TB9300 Installation and Operation Manual Operation 45 © Tait Limited March 2017

3.2.2 PA

The indicator LEDs on the PA are visible through a slot in its front panel.

Indicator LEDs These LEDs provide the following information about the state of the PA:

■ steady green - the PA is powered up

■ flashing green - the PA has no application firmware loaded or activated;

you can use the web interface

to download or activate the firmware; also

see “Preparing to Download Firmware” on page 93

■ flashing red - one or more alarms have been generated; you can use the

web interface to find out more details about the alarms.

The alarm LED will flash whenever an alarm is generated, whether or not this alarm has been disabled via the web interface.

Figure 3.4 Indicator LEDs on the PA

indicator LEDs

50W PA

100W PA

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46 Operation TB9300 Installation and Operation Manual

3.2.3 PMU

The only controls on the PMU are the on/off switches on the rear panel for the AC and DC modules, and the indicator LEDs visible through a slot in its front panel.

Warning The AC and DC module on/off switches do not totally

isolate the internal circuitry of the PMU from the AC or DC power supplies. You must disconnect the AC and DC supplies from the PMU before dismantling or carrying out any maintenance. Refer to the service manual for the correct servicing procedures.

AC Module On/Off Switch

This switch turns the AC input to the PMU on and off. Note that this switch breaks only the phase circuit, not the neutral.

The red button remains “out” whether on or off.

DC Module On/Off Switch

This switch turns the DC output from the PMU on and off. Note that this switch does not disconnect power from the DC converter itself. It disables the converter by switching off its control circuitry. Even when the DC converter is off, the DC input is still connected to its power circuitry.

The switch is recessed to prevent the DC module being accidentally switched off.

Figure 3.5 Operating controls on the PMU

AC module on/off switch

indicator LEDs

DC module on/off switch

b c

rear view

front view

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TB9300 Installation and Operation Manual Operation 47 © Tait Limited March 2017

Indicator LEDs These LEDs provide the following information about the state of the PMU:

■ steady green - the PMU is powered up

■ flashing green - the PMU has no application firmware loaded or

activated; you can use the web interface

to download or activate the

firmware; also see “Preparing to Download Firmware” on page 93

■ flashing red - one or more alarms have been generated; you can use the

web interface to find out more details about the alarms

■ flashing red and green - the PMU is in battery protection mode; check

that the battery voltage is above the configured minimum startup voltage; also check that the minimum startup voltage is configured correctly.

The alarm LED will flash whenever an alarm is generated, whether or not this alarm has been disabled via the web interface.

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48 Installation TB9300 Installation and Operation Manual

4 Installation

This chapter provides information on the site requirements for your TB9300 equipment and also describes how to install the base station in a standard 19 inch rack or cabinet.

If this is your first time installing a TB9300 base station, we recommend that you read the entire chapter before beginning the actual installation.

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4.1 Before You Begin

4.1.1 Equipment Security

The security of your base station equipment is a high priority. If the site is not fully secure, the base station should at least be locked in a secure, ventilated cabinet to prevent unauthorized access.

4.1.2 Grounding and Lightning Protection

Electrical Ground The base station modules are grounded by physical contact between the

module case and the subrack. To ensure a good ground connection you must tighten each module retaining clamp securely (refer to “Final

Reassembly” on page 110 for the correct torque).

A threaded grounding connector is provided on the rear of the subrack for connection to the site ground point (refer to

“Connecting Up the Base

Station” on page 70 for more details).

Lightning Ground It is extremely important for the security of the site and its equipment that

you take adequate precautions against lightning strike. Because it is outside the scope of this manual to provide comprehensive information on this subject, we recommend that you conform to your country’s standards organization or regulatory body.

4.1.3 Equipment Ventilation

Always ensure there is adequate ventilation around the base station (refer to

“Cabinet and Rack Ventilation” on page 50).

Notice Do not operate it in a sealed cabinet. You must keep the ambient temperature within the specified range, and we strongly recommended that you ensure that the cooling airflow is not restricted.

Notice The cooling fans are mounted on the front panel and will only operate when the panel is fitted correctly to the front of the subrack. To ensure adequate airflow through the base station, do not operate it for more than a few minutes with the front panel removed (e.g. for servicing purposes).

4.1.4 Ambient Temperature Sensor

The ambient temperature reading for the base station is provided by the temperature sensor located on the front panel circuit board.

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50 Installation TB9300 Installation and Operation Manual

4.1.5 Cabinet and Rack Ventilation

The cooling airflow for the subrack enters through the front panel and exits at the rear. For optimum thermal performance, the heated air that passes through a base station must never be allowed to re-enter the air intakes on the front panel. Any space at the front of the cabinet not occupied by equipment should be covered by a blanking panel. Refer to

Figure 4.1 on

page 51

Equipment installation should observe the following guidelines:

■ The recommended maximum number of subracks in a 38U cabinet is

five as shown in Figure 4.1 on page 51.

■ Any space at the front of the cabinet not occupied by equipment should

be covered by a blanking panel. Refer to

Figure 4.1 on page 51.

■ Subrack placement in the cabinet should include a 2U gap at the top of

the cabinet.

■ To allow enough cooling airflow through a cabinet-mounted base

station, the cabinet should allow for 50 cu.ft/min for each subrack (0.024 cu.m/s).

■ To ensure adequate ventilation, the cabinet should have a vent at the top

with an area of approximately 23 in2 (150cm2) per subrack, or a similar area of ventilation per subrack at the rear of the cabinet behind each subrack.

■ The maximum ambient temperature at the base station front panels must

not exceed +140°F (+60°C).

Page 51

Figure 4.1 Typical cabinet ventilation requirements

ventilation slots

airflow entry

blanking panels

airflow exit path

8in (20cm)

t7 in (t17.5cm)

side view front view

top view

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52 Installation TB9300 Installation and Operation Manual

4.2 Unpacking and Moving the Subrack

The subrack is packed in a strong corrugated cardboard carton with top and bottom foam cushions. To prevent personal injury and damage to the equipment, we recommend that two people unpack and move the subrack. To remove the subrack from the carton, follow the procedure illustrated in

Figure 4.2.

“Replacing Modules” on

page 99). In all cases follow safe lifting practices.

1. Cut the tape securing the flaps at the top of the carton and fold them

flat against the sides b.

2. Rotate the carton carefully onto its side c and then onto its top d,

ensuring that none of the flaps is trapped underneath.

Figure 4.2 Unpacking the subrack

h i

c d

Page 53

3. Slide the carton upwards over the foam cushions and lift it away e. Remove the cushion from the bottom of the subrack f.

4. Rotate the subrack and cushion carefully over the rear of the subrack

g so that it is the right way up with the cushion on top h. Remove

the cushion from the top of the subrack i.

Disposal of Packaging

If you do not need to keep the packaging, we recommend that you recycle it according to your local recycling methods. The foam cushions are CFCand HCFC-free and may be burnt in a suitable waste-to-energy combustion facility, or compacted in landfill.

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54 Installation TB9300 Installation and Operation Manual

4.3 Identifying the Equipment

You can identify the model and hardware configuration of the TB9300 modules by referring to the product code printed on labels at the rear of each module. The meaning of each character in the product code is explained in the tables below.

This explanation of product codes is not intended to suggest that any combination of features is necessarily available in any one product. Consult your regional Tait office for more information regarding the availability of specific models and options.

Reciter Product Codes

PA Product Codes

Product Code Description

T01-01105-X

XXX Frequency Band

C = 136MHz to 156MHz D = 148MHz to 174MHz F = 216 MHz to 225MHz H = 330MHz to 380MHz K = 400MHz to 440MHz L = 440MHz to 480MHz M = 470MHz to 520 MHz R = 400MHz to 440MHz (receive) R = 440MHz to 480MHz (transmit) N = 762 MHz to 870MHz

T = 787MHz to 788MHz (receive) T = 757MHz to 758MHz (transmit) Q = 896MHz to 902MHz (receive) Q = 927MHz to 941MHz (transmit)

a. The actual frequency coverage in this band is:

Transmit: 762MHz to 776MHz and 850MHz to 870MHz Receive: 792MHz to 824 MHz

Tait Band Identifier

B2 band B3 band C3 band G4 band H1 band H2 band H3 band HC band HC band K4 band K8 band K8 band L2 band L2 band

T01-01105-XX

XX A = standard

T01-01105-XXX

X A = default

T01-01105-XXXX A = default

Product Code Description

T01-01136-X

XXX Frequency Band

C = 136MHz to 174MHz E = 174MHz to 225MHz H = 330 MHz to 380 MHz J = 380MHz to 520MHz N = 757MHz to 870MHz

Q = 850MHz to 941MHz

Tait Band Identifier

B1 band C0 band G4 band H0 band K2 band L0 band

T01-01136-XX

XX A = 50W

B = 100W

T01-01136-XXX

X A = default

T01-01136-XXXX A = default

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PMU Product Codes

a. The actual frequency coverage in this band when used with a K4-band

TB9300 reciter is 762MHz to 776 MHz and 850 MHZ to 870 MHz. The actual frequency coverage in this band when used with a K8-band TB9300 reciter is 757MHz to 758MHz.

Product Code Description

TBAX

XXX-XXXX 3 = PMU

TBA3X

XX-XXXX 0 = default

TBA3XX

X-XXXX 0 = AC module not fitted

A = AC module fitted

TBA3XXX

-XXXX 0 = DC module not fitted 1 = 12V DC module fitted 2 = 24V DC module fitted 4 = 48V DC module fitted

TBA3XXX-X

XXX 0 = standby power supply card not fitted

1 = 12VDC standby power supply card fitted 2 = 24VDC standby power supply card fitted 4 = 48VDC standby power supply card fitted

TBA3XXX-XX

XX 0 = auxiliary power supply board not fitted

1 = 12VDC auxiliary power supply board fitted 2 = 24VDC auxiliary power supply board fitted 4 = 48VDC auxiliary power supply board fitted

TBA3XXX-XXX

X 0 = default

TBA3XXX-XXXX

0 = default

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56 Installation TB9300 Installation and Operation Manual

4.4 Initial Setting Up

Before putting the base station into service, you may want to carry out some basic functional testing, configuration, and tuning (if required). This section provides an overview of these procedures:

■ checking that the base station powers up correctly

■ checking the basic functionality of the base station by using the tests

available in the web interface

■ customizing the configuration for the intended installation and

verifying that the configuration is correct

■ changing the root password

■ tuning the base station (if required).

4.4.1 Confirming Operation

Notice Make sure that the RF output is connected to a suitable atten-

uator or dummy load. Do not remove the load while the PA is transmitting as this may damage the PA output stage.

Applying Power 1. Apply power by turning on the PMU.

2. Check that the base station powers up correctly:

■ The front panel display will show “Please wait...” while the base

station starts up (this may take up to two minutes). When the startup process is complete, the display will show the home screen.

■ The cooling fans in the front panel will run at full speed for a few

seconds, then run at low speed while the base station starts up, and then assume standard operation. One or more fans may operate, depending on the temperature of the modules.

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Functional Tests The following table provides an overview of the tests available using the

web interface. Refer to the Help for full details of these tests.

Test Notes Menu

receiver operation requires a suitable RF source Diagnose > RF Interface > Receiver

transmitter operation requires connection to the

network

Diagnose > RF Interface > Transmitter

ping checks the IP connection to

another device with an IP address

Diagnose > Connection > Network

NTP query checks if the NTP-based time

synchronization is working

PMU mains failure requires a DC backup supply Diagnose > Subsystems > PMU Control

Tests

fan operation checks the operation of each fan

individually

Diagnose > Subsystems > Fan Tests

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4.4.2 Working with Configurations

The Web UI page Tools > Files > Configuration allows you to manage your base station configuration.

You can:

■ Backup a configuration. This stores a snapshot of the base station’s

current configuration. It is advisable to back up the current configuration before making significant configuration changes.

■ Upload a configuration. This copies a configuration from your

computer to the base station. You can develop a master configuration and upload it to all the base stations in the network.

■ Restore a configuration. This activates the selected configuration after

rendering it compatible with the current software. You can restore configurations that have been backed up on the base station.

■ Download a configuration. This sends a copy of the selected

configuration to your computer so that you can store it.

4.4.3 Customizing the Configuration

The following steps provide an overview of the process used to configure the base station with the settings it needs. Refer to the Help for detailed information.

1. Log in to the base station (refer to

“Connecting Your PC to the Base

Station” on page 79 for more details).

2. Select Configure. The base station has many different settings that can be configured before it is put into operation, such as:

■ channel configurations

■ alarm control and SNMP agent

■ network interfaces

■ quality of service

■ CWID

■ miscellaneous items such as minimum battery voltages, fan

control, NTP and package servers.

3. Make the changes needed in each form and click Save. All changes made in the form will be applied when, and only when, the form is saved.

Notice Before making changes, you should save the configuration to your PC or network. This provides a baseline which can be restored to the base station if the configuration information becomes lost or corrupted. You should also back up the configuration before downgrading to a different software release. Note that if you downgrade and then upgrade software, configuration values for new features may become default.

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4.4.4 Recommended Configuration Settings

In a dual base station only base station 1 communicates directly with the PMU and front panel. Therefore the following configuration settings are recommended for dual base station operation:

■ Disable the “PMU not detected” alarm on base station 2 (Configure >

Alarms > Control > PMU).

■ Disable the “FP not detected” alarm on base station 2 (Configure >

Alarms > Control > Front panel).

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4.4.5 Restricted Port Numbers

Certain configuration settings in the base station’s web interface require you to enter a port number (for example, the trunking interface).

Two ranges of port numbers are unavailable for use with the base station. The web interface will prevent you from entering a number from these ranges, as explained below.

4.4.6 Changing the Root Password

Notice The following procedure can be carried out only if secure

shell access (SSH) is enabled. Secure shell access to the base station is disabled by default from version 1.35 onwards. To enable SSH, select Tools > Settings > Secure shell and click Start.

The root password to the Linux operating system of the reciter is a possible security risk. The equipment is delivered with a default password that is well known. Knowledge of the password could be used to render the equipment inoperable, for example by deleting files. If you are concerned about the security risk that this poses, change the password. If Tait provides support services, they may need to know the password.

Notice If you change the password and then lose it, the equipment must be returned to Tait. Make sure that you store the password securely and do not lose it.

To change the root password, follow these steps.

1. Log in from your PC to the base station using SSH client software such as PuTTY. The username is “root” and the default password is “k1w1”.

2. At the # prompt, enter the command “passwd”.

3. Follow the on-screen instructions.

4. Record the password in a secure location.

Restricted Port Numbers Details

0 – 1023 The “well-known ports”, commonly used by other

devices in a network. Using a port number in this range could cause compatibility problems with other devices.

12000 – 14999 Reserved for internal use in the base station.

Using a port number in this range could cause the base station to malfunction.

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4.4.7 Tuning the Reciter

B-Band C-Band

Before the base station is installed on site, you may need to tune the receiver front end. The receiver front end requires tuning if the receive frequency is shifted more than 2MHz away from the previously set frequency, or the RSSI level of the new frequency is more than 1dB lower than the RSSI level of the previously set frequency.

The receiver in the B-band reciter covers one of the following frequency bands, depending on the model:

■ B2 - 136 to 156 MHz

■ B3 - 148 to 174 MHz

■ C3 - 216 to 225 MHZ

B-Band frequencies are split into 2 sub-bands:

■ B2 - 136 to 146MHz and 146 to 156 MHz

■ B3 - 148 to 159MHz and 159 to 174MHz

Each sub-band has its own helical filter (shown in

Figure 4.3 below) which

is electronically switched in or out of circuit depending on the frequency programmed into the reciter. The bandwidth of these helical filters is approximately ±1.5MHz.

Figure 4.3 Identifying the B-band and C-band receiver front end helical

filters

B2: 146 to 156MHz B3: 159 to 174MHz

B2: 136 to 146 MHz B3: 148 to 159 MHz C3: 216 to 215 MHz

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62 Installation TB9300 Installation and Operation Manual

To check the RSSI level and tune the receiver front end (if required), follow these steps:

1. Remove the reciterfrom the subrack and reconnect the system control bus cable to power up the module.

Tait can provide extender cables (TBC Reciter Power Cables) to enable tuning with a subrack or from a bench power supply. To order these, the part number is T01-01150-0001.

2. Log in to the reciter and select Monitor > Interfaces > RF Interface. For information on connecting directly to the reciter, refer to

“Connecting a Networked PC to a Base Station” on page 83.

3. Feed a signal at the currently tuned receive frequency and at a level of –80 dBm into the reciter’s RF input. Check that the RSSI reading on the RF Interface page is –80dBm ± 1dB. Note this reading.

4. Set the reciter to the new receive frequency.

5. Change the RF input signal to the new receive frequency at –80dBm. Check that the RSSI reading is –80dBm ± 1 dB. If it is, the receiver front end does not require tuning. If it is not, go to the next step.

6. Using the Johanson tuning tool1, adjust the correct helical filter for the new frequency (as shown in

Figure 4.3) to obtain a peak RSSI

reading. This reading should be within 1dB of the reading at the previous frequency.

Adjust the center resonator of the filter first, followed by the two outer resonators (in any order). Each resonator should require approximately the same amount of adjustment when tuning.

A change in frequency of 5MHz requires approximately one turn of the tuning slug. If tuning to a lower frequency, adjust the slug in (clockwise); for a higher frequency, adjust the slug out (counterclockwise).

7. Change the RF input signal and the reciter’s receive frequency to

0.5MHz above and below the required frequency and check that the RSSI reading does not drop by more than 0.5dB from the reading at the required frequency.

8. Recalibrate the RSSI at the new frequency (Calibrate > Reciter > RSSI).

If you wish to confirm the accuracy of the tuning procedure, carry out a sensitivity measurement at the new frequency.

1. Included in the TBA0ST2 tool kit. Also available separately as part number 937-00013-00.

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H-Band Before the base station is installed on site, you may need to tune the

receiver front end. The receiver front end requires tuning if the receive frequency is shifted more than 5MHz away from the previously set frequency, or the RSSI level of the new frequency is more than 1dB lower than the RSSI level of the previously set frequency.

Tait can provide extender cables (TBC Reciter Power Cables) to enable tuning with a subrack or from a bench power supply. To order these, the part number is T01-01150-0001.

The receiver in the H-band reciter covers one of the following frequency sub-bands, depending on the model:

■ H1 and HC - 400 to 440MHz

■ H2 - 440 to 480MHz

■ H3 - 470 to 520MHz.

Each sub-band uses the same helical filter (shown in

Figure 4.4 below).

The bandwidth of the helical filter is approximately ±5 MHz.

To check the RSSI level and tune the receiver front end (if required), follow these steps.

1. Remove the reciter from the subrack and reconnect the system control bus

cable to power up the reciter.

2. Log in to the reciter and select Monitor > Interfaces > RF Interface. For

information on connecting directly to the reciter, refer to

“Connecting a

Networked PC to a Base Station” on page 83.

3. Feed a signal at the currently tuned receive frequency and at a level of

–80dBm into the reciter’s RF input. Check that the RSSI reading on the RF Interface page is – 80 dBm ±1 dB. Note this reading.

Figure 4.4 Identifying the H-band receiver front end helical filter

H-band helical filter

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64 Installation TB9300 Installation and Operation Manual

4. Set the reciter to the new receive frequency.

6. Using the Johanson tuning tool1, adjust the helical filter for the new frequency (as shown in

Figure 4.4) to obtain a peak RSSI reading.

This reading should be within 1dB of the reading at the previous frequency.

Adjust the center resonator of the filter first, followed by the two outer resonators (in any order). Each resonator should require approximately the same amount of adjustment when tuning.

If tuning to a lower frequency, adjust the slug in (clockwise); for a higher frequency, adjust the slug out (counterclockwise).

7. Change the RF input signal and the reciter’s receive frequency to 2MHz above and below the required frequency and check that the RSSI reading does not drop by more than 0.5dB from the reading at the required frequency.

8. Re-calibrate the RSSI at the new frequency (Calibrate > Reciter > RSSI).

If you wish to confirm the accuracy of the tuning procedure, carry out a sensitivity measurement at the new frequency.

Electronically Tuned Reciters

The G-band, K-band and L-band reciters do not require tuning.

1. Included in the TBA0ST2 tool kit. Also available separately as part number 937-00013-00.

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4.5 Installing the Base Station on Site

4.5.1 General Installation Advice

When installing base stations, it is very important to observe good site engineering rules. This is especially true when the channels are combined into a single antenna.

If at all possible, the RF planner should avoid frequency plans in which the Rx to Tx spacing is an exact multiple of the trunked channel spacing, thus forcing Tx intermodulation products to fall outside the Rx channels.

Cables and antennas should be of high quality construction. Solid shield heliax type cables are best, but if braided shield cables must be used for short distances, their braids must be silver-plated. Isolators should be used at all transmitter outputs.

When the outputs of more than one transmitter are combined, their voltages add, and the resulting peak envelope power is not simply the sum of their powers, but is equal to the power of one of them multiplied by the square of the number of sources. Cables, components, and hardware must be rated to withstand the peak envelope power.

During the commissioning process, all transmitters should be activated together using a diagnostic test tone, while the receiver RSSI is monitored. There should be no perceptible increase in RSSI while the transmitters are active.

4.5.2 Equipment Required

It is beyond the scope of this manual to list every piece of equipment that an installation technician should carry. However, the following tools are specifically required for installing the base station:

■ Pozidriv PZ3 screwdriver for the M6 screws used in the DC input

terminals on the PMU; M6 (0.25in) screws are also used to secure the subrack to the cabinet in factory-assembled systems

■ Pozidriv PZ2 screwdriver for the M4 screws used to secure the module

retaining clamps, and for the fasteners used to secure the front panel to the subrack

■ 8mm AF spanner for the SMA connectors, and the subrack ground

connector.

You can also obtain the TBA0ST2 tool kit from your regional Tait office. It contains the basic tools needed to install, tune, and service the base station.

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66 Installation TB9300 Installation and Operation Manual

4.5.3 Mounting the Subrack

Caution A subrack complete with modules can weigh up to 62lb

(28kg), or up to 66lb (30 kg) complete with packaging. We recommend that you have another person help you unpack and move the equipment. The TBAA03-16 carrying handles will make it easier to move the equipment once it has been unpacked. If necessary, remove the modules from the subrack before moving it (refer to

“Replacing Modules” on

page 99). In all cases follow safe lifting practices.

1. Remove the front panel, as described in “Preliminary Disassembly”

on page 101.

2. Fit the subrack into the cabinet or rack and secure it firmly with an M6 (0.25in) screw, flat and spring washer in each of the four main mounting holes b, as shown in

Figure 4.5.

If you need extra mounting security, additional mounting holes c are provided at the rear of the subrack for auxiliary support brackets.

Figure 4.5 Subrack mounting points

main mounting holes - front

auxiliary mounting holes - rear

front view

rear view

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Figure 4.6 below gives the dimensions of the subrack and its mounting

holes.

Figure 4.6 Subrack dimensions

5.25 in

(133.4 mm)

4 in

(101.6 mm)

6.96 in

(176.8 mm)

14.8 in

(375.5 mm)

19 in (482.6 mm)

17 in (432 mm)

18.3 in (465.1 mm)

0.26 in

(6.6 mm)

0.42 in (10.6 mm)

14.7 in (373.5 mm)

14.37 in (365 mm)

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68 Installation TB9300 Installation and Operation Manual

Auxiliary Support Bracket

TBAA03-13 auxiliary support brackets can be fitted to the rear of the subrack to provide additional mounting security.

Figure 4.7 shows a

standard TBAA03-13 bracket

b fitted in a typical Tait cabinet c. If you

are not using the Tait cabinet, you may have to make your own brackets to suit your installation.

Notice You must fit the auxiliary support brackets if you intend to transport a cabinet fitted with a fully built-up base station.

We also recommend that you fit the brackets under the following conditions:

■ when the installation is in an area prone to earthquakes

■ when third party equipment is installed hard up underneath the base

station subrack.

General Cabling We recommend that you try to route all cables to and from the base station

along the side of the cabinet so the cooling airflow is not restricted.

Figure 4.7 Auxiliary support bracket

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DC Power Cabling DC power cables should be well supported so that the terminals on the

PMU and on the ends of the cables do not have to support the full weight of the cables.

Figure 4.8 shows two recommended methods of securing these cables to

prevent straining either set of terminals.

We recommend that you fit the supplied covers to the DC terminals to protect against accidental shorts.

Figure 4.8 DC power cabling

secure the cables to the cabinet to support their weight

Tait TBCC0E Users Manual

Specifications and Main Features

Frequently Asked Questions

User Manual