Comtech EF Data Vipersat 564L Uživatelská příručka stáhnout pdf (Strana 134)

Entry Channel Mode Switching MN/22137, rev 1

B-34 Vipersat CDD-56X Series User Guide

Figure B-21

Entry Channel Mode v2 Configuration, Remote (CDM-570L)

ECM Processing

A detailed representation of the sequence of steps that occur between the Hub

units (the channel controller and a switched demodulator), the Remote unit, and

the VMS during the ECM process is shown in figure B-22.

1 2 ... 129 130 131 132 133 134 135 136 137 138 139 ... 175 176

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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