Comtech EF Data Vipersat 564L Guida Utente Pagina 161
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Appendix D - ECM Migration D-7
MN/22137, rev 1 Mi g ra t ion Pr oce d ure
Example: The recommended settings for 64 kbps, QPSK, 3/4
• Guardband—60 msec
• Preamble Length—300 msec
• Total Slot Count—10
Tip: A Vipersat calculator is available to optimize these settings. Contact a
Comtech Vipersat Networks representative for a copy of the latest
Vipersat ECM Calculator.
There is no Remote List for ECMv2 like there is for ECMv1. Therefore, there is
no need to enable the Remotes in the burst map, nor to set a desired dSCPC
switch rate.
With ECMv2, the Remote sites will switch out to dSCPC using the Minimum
Switch Rate Limit from the Inband Return Path settings, as shown in
figure D-4 below.
Figure D-4
Switch Rate Limits, InBand Return Path Settings Page
- CDD-56X Series 1
- User Guide 3
- COMTECH EF DATA 4
- Document Revision History 5
- Table of Contents 7
- Appendix A 8
- Appendix B 8
- Appendix C 9
- Appendix D 9
- Appendix E 9
- MN/22137, rev 1 10
- List of Figures 11
- List of Tables 13
- How to Use This Manual 15
- Conventions and References 16
- 1 - General 1-3 17
- Product Description 18
- Dynamic SCPC (dSCPC) 19
- Single Hop On Demand 20
- Turbo Product Coding 20
- Header Decompression 20
- New in This Release 21
- Customer Support 22
- QUICK START CONFIGURATION 23
- Initial Configuration 24
- Set the Feature Configuration 25
- Figure 2-1 26
- Figure 2-2 26
- Figure 2-3 27
- Figure 2-4 27
- Set the IP Address 28
- Configure the Route Table 29
- Figure 2-7 31
- Figure 2-8 32
- Figure 2-9 32
- Common Screen Commands 36
- Menu Descriptions 37
- Figure 3-2 38
- Figure 3-3 38
- Feature Configuration 39
- Vipersat Auto Switching 40
- Vipersat Management 40
- Vipersat STDMA 40
- Vipersat File Streamer 41
- Vipersat Configuration 42
- Configuration” on page 3-5 43
- STDMA Tx Rate 44
- Hub Type 44
- ECMv2 Mode 47
- Group ID 48
- STDMA Max Power Hunt 48
- Burstmap Multicast IP 49
- Outbound IP 50
- Cycles Per Burst Map 50
- Slot Guardband 51
- Slot Preamble Length 52
- Slot Data Length 52
- Nominal Data Length 53
- Maximum Data Length 53
- Minimum Data Length 54
- Total Slot Count 54
- Slot Cycle Length 55
- Slot Start in Cycle 55
- Set Remotes 55
- Figure 3-23 56
- Figure 3-24 56
- Figure 3-25 57
- Figure 3-26 58
- Figure 3-27 59
- Figure 3-28 59
- Figure 3-29 60
- Figure 3-30 60
- Figure 3-31 60
- Figure 3-32 61
- Figure 3-33 61
- Figure 3-34 61
- Figure 3-35 62
- Figure 3-36 62
- LNB LO Frequency 63
- STDMA Statistics 64
- Show Hub Statistics 65
- Auto Switching 67
- Current WAN Transmit Mode 68
- STDMA Slot Capacity 68
- STDMA Switch Delay 69
- Percent Allocation 69
- Hitless Switching Parameters 70
- Figure 3-48 71
- Unit Role 72
- Expansion Unit 73
- Network ID 73
- Unit Name 74
- Receive Multicast Address 74
- Managing IP Address 75
- Management Security 76
- Figure 3-56 77
- Figure 3-57 77
- Primary Heart Beat 78
- Home State Revert 78
- Figure 3-58 79
- Figure 3-59 79
- DPC Enabled 80
- Speed Up EbNo 80
- Target DPC Address 80
- Set Home State Parameters 81
- Force Modem to Home State 82
- STDMA State 83
- Receive Frequency 83
- Receive Data Rate 83
- Receive FEC Type 84
- Receive Coding Rate 84
- Vipersat Summary 85
- Vipersat Migration 86
- UDP Port Base Address 87
- NETWORK ADDRESSING 89
- The OSI Reference Model 90
- A - Network Addressing A-3 91
- Binary Math 92
- A - Network Addressing A-5 93
- IP Addressing 94
- Figure A-4 95
- Private Network IP Addresses 96
- Subnet Mask 97
- Network Segments 98
- Default Gateways 99
- MAC Addresses 99
- Figure A-10 100
- AUTOMATIC SWITCHING 101
- Hitless Switching 102
- MN/22137, rev 1 Gene ral 103
- Load Switching 104
- Burst Controller 105
- STDMA ACK Message 106
- Load Switching—STDMA Hub 108
- Hub Switching Process 109
- Load Switching—Remote 110
- Figure B-4 111
- Figure B-5 111
- Determination for Switching 112
- Load Switch Example 113
- Application Switching 116
- ToS Switching 118
- Configuration 120
- Example Implementations 121
- ToS Remarking 122
- ToS to DSCP Value Conversions 123
- Entry Channel Mode Switching 125
- Fail-Safe Operation 126
- Figure B-14 127
- Using STDMA ECM 128
- Figure B-16 129
- Figure B-17 130
- Figure B-18 130
- Dynamic Entry Channel Mode 131
- Hub Configuration 132
- Remote Configuration 133
- ECM Processing 134
- Figure B-22 135
- DYNAMIC POWER CONTROL 137
- Introduction MN/22137, rev 1 138
- STDMA mode 138
- from the BaseLine 139
- Theory of Operation 140
- MN/22137, rev 1 Descript ion 141
- Figure C-2 142
- DPC Parameters, Main Menu 144
- Main DPC Menu 145
- Enable DPC 146
- Target Eb/No 146
- Calculate Max Power Menu 147
- Figure C-5 148
- Figure C-6 148
- Max Power 150
- MODEM 151
- Power Considerations 152
- Cabling Considerations 152
- ECM MIGRATION 155
- Ge ner al MN/22137, rev 1 156
- Migration Procedure 157
- Figure D-1 158
- Configure Hub Unit 159
- Figure D-3 160
- Vipersat ECM Calculator 161
- GLOSSARY 163
- Appendix E - Glossary E-3 165
- Appendix E - Glossary E-5 167
- Appendix E - Glossary E-7 169
- Appendix E - Glossary E-9 171
- Appendix E - Glossary E-11 173
- Appendix E - Glossary E-13 175
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