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Preventive Maintenance and Fault-finding
6.4 Fault-finding
6.4.1 Fault-finding Philosophy
It is the objective of this chapter to provide sufficient information to enable the
operator to rectify apparent faults or else to identify the suspect module, where
possible. Some basic procedures are provided to follow in the event of a suspected
EQ8096 failure. It is assumed that fault-finding has already been performed at a
system level and that other equipment units have been eliminated as the possible
cause of the failure (see relevant System Manual).
Warning!
Removing the covers of this equipment may invalidate any warranties, cause a
safety hazard or/and affect the EMC performance.
Caution!
Do not remove the covers of this equipment. Unauthorised maintenance or the use
of non-approved replacements may affect the equipment specification and invalidate
any warranties.
This Reference Guide does not include any maintenance information or procedures
that would require the removal of covers.
If the following information fails to clear the abnormal condition, call a Service
Engineer or contact Customer Services using the information given in the
preliminary pages of this Reference Guide.
6.4.2 Preliminary Checks
Always investigate the failure symptoms fully, prior to taking remedial action. Fault
diagnosis for the equipment operator is limited to the following tasks, since the
operator should NOT remove the covers of the equipment:
1. Check the front panel Power LED (green). If this is not lit, refer to Table 6.1.
2. Confirm that the equipment hardware configuration is suitable for the purpose
and has been correctly installed and connected (see Chapter 2, Installing the
Equipment).
3. Confirm that inappropriate operator action is not causing the problem, and that
the equipment software set up is capable of performing the task being asked of
it. If the validity of the configuration, set up or operation is in doubt, check it (see
Chapter 3, Operating the EQ8096 Using the Web Browser).
4. Check that the fans are unobstructed and working correctly.
2/1553-FGC 101 1019 Uen A
6-5
- EQ8096 Universal Edge QAM 1
- Introduction 4
- Revision History 4
- Associated Documents 4
- Trademarks 4
- Warnings, Cautions and Notes 5
- EMC Compliance 6
- Contact Information 6
- Preliminary Pages 7
- Preliminary Pages 8
- 1 Introduction to the EQ8096 9
- Introduction to the EQ8096 10
- 2/1553-FGC 101 1019 Uen A 10
- Caution! 11
- Warning! 11
- 1.2 Summary of Features 13
- 1.2.2 Data Input 14
- Introduction to the EQ8096 15
- 1.3 Output Channel Mappings 16
- 1.3.2 UDP Port Mapping 18
- 1.4 Guided Tour 19
- 1.4.3 Front Panel Controls 20
- 2 Installing the Equipment 23
- Installing the Equipment 24
- 2.1 Introduction 25
- 2.2 Preliminary Checks 26
- Cautions! 27
- Warnings! 29
- 2.5 -48 V DC Power Supply 31
- 2.5.3 DC Connector Details 33
- 2.6 Signal Connections 34
- 2.6.4 Control 36
- 2.6.7 ASI Monitor port 36
- 2.6.8 Host Status 36
- 2.7 Indicators 37
- 2.7.2 Rear Panel 38
- Chapter 3 39
- 3.1 Introduction 43
- 3.3 Web Page Menus 45
- 3.3.3 Data Port Settings 50
- 3.3.4 Modulation Settings 52
- 3.4.4 Broadcast Mode 61
- 3.4.5 DEPI/M-CMTS Mode 67
- 3.5.1 Overview 67
- 3.5.2 CA ECMG Settings 68
- 3.5.3 CA Settings 69
- 3.6 Engineering Tabbed Page 70
- 4 Alarms 75
- Alarms 76
- 4.1 Introduction 77
- 4.2 View Active Alarm Table 78
- 4.3 Configure Active Alarms 78
- 4.4 Specific Alarms 79
- 4.4.5 Temperature Alarms 81
- 4.5 Trap Destination Table 82
- 4.6 Status Indicators 83
- 4.7 Unit Alarm List 84
- Alarms 85
- Using XML File Download 97
- 5.1 Introduction 99
- 5.2 FTP File Transfer 99
- 5.3 XML Files 99
- 5.3.1 XML File Format 100
- 5.3.2 Status File Examples 100
- 2/1553-FGC 101 1019 Uen A 101
- 5.4.1 EMM Connections 105
- 5.4.4 Multiple EMM Streams 108
- 5.4.7 Stopping Encryption 110
- 5.4.8 Simulcrypt 111
- 5.5 Errors during FTP 113
- 5.8 Redundancy Switch 116
- Chapter 6 117
- Contents 117
- 6.1 Introduction 119
- 6.2 Preventive Maintenance 119
- 6.3 Alarms 120
- 6.4 Fault-finding 121
- 6.5 Power Supply Problems 123
- Chapter 7 127
- 7.1 Introduction 129
- 7.2 How to Install Software 129
- 7.4 Requesting a Key 130
- Information’ tab 132
- 8 Unit Configuration via FTP 133
- Unit Configuration via FTP 134
- 8.1 Introduction 135
- Output Option Cards 137
- 9.1 Introduction 139
- 9.3.1 Preparing the Unit 143
- 9.3.5 Reconfigure the Unit 145
- Specification 147
- 10.1 General 149
- 10.3.1 System Setup 151
- 10.3.2 M-CMTS Session Setup 151
- 10.3.4 DTI Card 157
- A Glossary 159
- Glossary 160
- Glossary 161
- B Technical Specification 179
- Technical Specification 180
- B.1 Unit Specification 181
- B.2 Rear Panel Connectors 182
- B.2.3 RF Output 183
- Parameter Requirement 184
- B.2.5 Ethernet Control 185
- Technical Specification 187
- B.3 Power Supply 188
- B.4 Physical Details 189
- B.6 Compliance 190
- B.6.3 Telecommunications 191
- B.6.4 CE Marking 191
- B.6.5 C-Tick Mark 191
- B.6.6 Packaging Statement 192
- B.6.7 Packaging Markings 192
- B.6.9 Equipment Disposal 194
- B.6.10 Recycling 194
- B.7 Cable Types 195
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