Comtech EF Data Vipersat CDM-570 Guía de usuario descargar pdf (Pagina 151)

Appendix B - Automatic Switching B-33

Entry Channel Mode Switching

Figure B-20

Entry Channel Mode v2 Configuration, Remote

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-21.

1 2 ... 146 147 148 149 150 151 152 153 154 155 156 ... 191 192

CDM-570/570L 1
User Guide 3
COMTECH EF DATA 4
Document Revision History 5
Table of Contents 7
Network Addressing 9
Automatic Switching 9
Dynamic Power Control 9
ECM Migration 9
Glossary 9
L User Guide 10
List of Figures 11
Appendix A Figures 12
Appendix B Figures 12
Appendix C Figures 13
List of Tables 15
How to Use This Manual 17
Conventions and References 18
1 - General 1-3 19
Product Description 20
Dynamic SCPC (dSCPC) 21
Turbo Product Coding 22
Header Compression 22
Payload Compression 22
Quality of Service 22
Data Encryption 22
New in this Release 23
Customer Support 24
QUICK START CONFIGURATION 25
Initial Configuration 26
Network Role 27
Parameters 27
Figure 2-3 29
Figure 2-4 29
Set the IP Address 30
Configure the Route Table 31
Figure 2-8 34
Common Screen Commands 38
Menu Descriptions 39
Feature Configuration 41
Vipersat Management 42
Vipersat STDMA 42
Vipersat Auto Switching 42
Vipersat File Streamer 43
STDMA Tx Rate 45
Hub Type 46
ECMv2 Mode 49
Group ID 50
STDMA Max Power Hunt 50
Burstmap Multicast IP 51
Outbound IP 52
Cycles Per Burst Map 52
Slot Guardband 53
Slot Preamble Length 54
Slot Data Length 54
Total Slot Count 55
Slot Cycle Length 56
Slot Start in Cycle 56
Set Remotes 56
LNB LO Frequency 63
BUC LO Frequency 63
STDMA Statistics 64
Show Hub Statistics 65
Auto Switching 68
Current WAN Transmit Mode 69
ToS Switch Detection 70
QoS Switch Detection 71
STDMA Slot Capacity 76
STDMA Switch Delay 76
Percent Allocation 77
SCPC Step Up Threshold 77
SCPC Step Down Threshold 78
SCPC Step Up Delay 78
SCPC Step Down Delay 78
SCPC Step Up Excess 79
Time for Carrier Inhibit 80
ToS Switching Parameters 81
Hitless Switching Parameters 83
SOTM Update 84
Unit Role 85
Expansion Unit 86
Network ID 87
Unit Name 87
Receive Multicast Address 87
Managing IP Address 88
Management Security 89
Primary Heart Beat 91
Home State Revert 91
Figure 3-74 92
Figure 3-75 92
DPC Enabled 93
Calculate Max Power 93
Target EbNo 95
Speed Up EbNo 95
Target DPC Address 96
BaseLine Power 97
DPC Offset 97
SOTM Offset 97
Force Modem to Home State 99
STDMA State 99
Transmit Frequency 99
Transmit Data Rate 99
Transmit FEC Type 100
Transmit Coding Rate 100
Transmit Modulation Type 101
Transmit Power Level 101
Transmit Enable 101
Receive Frequency 101
Receive FEC Type 102
Receive Data Rate 102
Vipersat Summary 103
Vipersat Configuration 104
Vipersat Migration 105
UDP Port Base Address 105
NETWORK ADDRESSING 107
The OSI Reference Model 108
Binary Math 110
IP Addressing 112
Private Network IP Addresses 114
Subnet Mask 115
Network Segments 116
Default Gateways 117
MAC Addresses 117
AUTOMATIC SWITCHING 119
Load Switching 121
Burst Controller 122
STDMA ACK Message 123
Load Switching—STDMA Hub 125
Hub Switching Process 126
Load Switching—Remote 127
Determination for Switching 129
Load Switch Example 130
Application Switching 133
ToS Switching 135
Configuration 137
Example Implementations 138
ToS Remarking 139
ToS to DSCP Value Conversions 140
Entry Channel Mode Switching 142
Fail-Safe Operation 143
Using STDMA ECM 145
Figure B-15 146
Dynamic Entry Channel Mode 148
Hub Configuration 149
Remote Configuration 150
ECM Processing 151
DYNAMIC POWER CONTROL 153
Introduction 154
STDMA mode 154
Description 155
Theory of Operation 156
Figure C-2 158
Main DPC Menu 161
Enable DPC 162
Target Eb/No 162
Calculate Max Power Menu 163
Max Power 166
MODEM 167
Power Considerations 168
Cabling Considerations 168
ECM MIGRATION 171
Migration Procedure 173
Configure Hub Unit 175
Vipersat ECM Calculator 177
GLOSSARY 179
Appendix E - Glossary E-3 181
Appendix E - Glossary E-5 183
Appendix E - Glossary E-7 185
Appendix E - Glossary E-9 187
Appendix E - Glossary E-11 189
Appendix E - Glossary E-13 191

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