Comtech EF Data Vipersat CDM-570 User Manual page 9

Receive Modulation Type . . . . . . . 3-67
Vipersat Summary . . . . . . . . . . . . . 3-67
Vipersat Migration . . . . . . . . . . . . . 3-69
UDP Port Base Address . . . . . . . . . . 3-69
Alerts . . . . . . . . . . . . . . . . . . . 3-70
Network Addressing
Introduction . . . . . . . . . . . . . . . . . . A-1
The OSI Reference Model. . . . . . . . . . . A-2
Layers 1 - 3 . . . . . . . . . . . . . . . . .A-2
Binary Math . . . . . . . . . . . . . . . . . . A-4
IP Addressing . . . . . . . . . . . . . . . . . A-6
IP Address Classes . . . . . . . . . . . . .A-6
Class A . . . . . . . . . . . . . . . .A-6
Class B . . . . . . . . . . . . . . . .A-6
Class C . . . . . . . . . . . . . . . .A-7
Class D . . . . . . . . . . . . . . . .A-7
Class E . . . . . . . . . . . . . . . .A-8
Private Network IP Addresses . . . . . .A-8
Network Address Translation (NAT) . . .A-8
Subnets . . . . . . . . . . . . . . . . . . .A-8
Subnet Mask. . . . . . . . . . . . . . . . .A-9
Network Segments . . . . . . . . . . . . A-10
Default Gateways . . . . . . . . . . . . . A-11
MAC Addresses . . . . . . . . . . . . . . A-11
Automatic Switching
General . . . . . . . . . . . . . . . . . . . . B-1
Load Switching . . . . . . . . . . . . . . . . B-3
Overview. . . . . . . . . . . . . . . . . . .B-3
Bandwidth Allocation and Load Switching by
the Hub STDMA Burst Controller . . .B-4
Load Switching-STDMA Hub . . . . . . .B-7
Hub Switching Parameters . . . . . . .B-7
Hub Switching Process . . . . . . . . .B-8
Load Switching-Remote . . . . . . . . . .B-9
Remote Switching Parameters . . . . .B-9
Determination for Switching . . . . . . B-11
Load Switch Example . . . . . . . . . . . B-12
Reduced Data Flow in Switched Mode
(SCPC) . . . . . . . . . . . . . . . B-13
Application Switching . . . . . . . . . . . . . B-15
ToS Switching . . . . . . . . . . . . . . . . . B-17
ToS Background . . . . . . . . . . . . . . B-17
Detection of ToS Stamped Packets . . B-18
Configuration . . . . . . . . . . . . . B-19
Example Implementations . . . . . . . . . B-20
ToS Switching Per Device . . . . . . . B-20
ToS Switching Per Traffic Type . . . . B-20
ToS Remarking . . . . . . . . . . . . B-21
ToS to DSCP Value Conversions . . . B-22
Mesh Setup Based on ToS Detection . B-23
Entry Channel Mode Switching . . . . . . . . B-24
STDMA Entry Channel Mode . . . . . . . B-24
Fail-Safe Operation . . . . . . . . . . B-25
Using STDMA ECM . . . . . . . . . . B-27
Switching an ECM Remote from SCPC to
STDMA . . . . . . . . . . . . . . B-28
Dynamic Entry Channel Mode . . . . . . B-30
Hub Configuration . . . . . . . . . . . B-31
Remote Configuration . . . . . . . . . B-32
ECM Processing . . . . . . . . . . . B-33
Dynamic Power Control
Introduction . . . . . . . . . . . . . . . . . . C-1
Description . . . . . . . . . . . . . . . . . . C-3
BER Waterfall Mapping . . . . . . . . . C-3
Delta Power Compensation . . . . . . . C-3
Theory of Operation . . . . . . . . . . . . . C-4
Configuration . . . . . . . . . . . . . . . . . C-7
Main DPC Menu . . . . . . . . . . . . . . C-9
Enable DPC . . . . . . . . . . . . . C-10
Target Eb/No . . . . . . . . . . . . C-10
Speed Up Eb/No Range. . . . . . . C-11
Target DPC (IP) Address . . . . . . C-11
Calculate Max Power Menu . . . . . . . . C-11
Calibrated Data Rate . . . . . . . . C-13
DPC Margin . . . . . . . . . . . . . C-13
Nominal Power Level . . . . . . . . C-13
Max Data Rate . . . . . . . . . . . C-13
Max Code Rate . . . . . . . . . . . C-13
Max Modulation . . . . . . . . . . . C-13
Max FEC Type . . . . . . . . . . . C-13
Calculate Max Power . . . . . . . . C-13
Max Power . . . . . . . . . . . . . C-14
Signal Power Level Considerations. . . . . . C-15
Power Considerations. . . . . . . . . . . C-16
Cabling Considerations . . . . . . . . . . C-16
ECM Migration
General . . . . . . . . . . . . . . . . . . . . D-1
Migration Procedure . . . . . . . . . . . . . D-3
Configure Remote Units. . . . . . . . . . . D-3
Configure Hub Unit . . . . . . . . . . . . . D-5
Glossary
. . . . . . . . . . . . . . . . . . . . . . . . . E-1
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