Comtech EF Data CDD-56X Series Vipersat - Manual (Page 9)

T a b l e o f C o n t e n t s iii
MN/22137, rev 1
Bandwidth Allocation and Load Switching by
the Hub STDMA Burst Controller . . .B-5
Load Switching—STDMA Hub . . . . . . .B-8
Hub Switching Parameters . . . . . . .B-8
Hub Switching Process . . . . . . . . .B-9
Load Switching—Remote . . . . . . . . . B-10
Remote Switching Parameters . . . . B-10
Determination for Switching . . . . . . B-12
Load Switch Example . . . . . . . . . . . B-13
Reduced Data Flow in Switched Mode
(SCPC) . . . . . . . . . . . . . . . B-14
Application Switching . . . . . . . . . . . . . B-16
ToS Switching . . . . . . . . . . . . . . . . . B-18
ToS Background . . . . . . . . . . . . . . B-18
Detection of ToS Stamped Packets . . B-19
Configuration . . . . . . . . . . . . . B-20
Example Implementations . . . . . . . . . B-21
ToS Switching Per Device . . . . . . . B-21
ToS Switching Per Traffic Type . . . . B-21
ToS Remarking . . . . . . . . . . . . B-22
ToS to DSCP Value Conversions . . . B-23
Mesh Setup Based on ToS Detection . B-24
Entry Channel Mode Switching . . . . . . . . B-25
STDMA Entry Channel Mode . . . . . . . B-25
Fail-Safe Operation . . . . . . . . . . B-26
Using STDMA ECM . . . . . . . . . . B-28
Switching an ECM Remote from SCPC to
STDMA. . . . . . . . . . . . . . . B-29
Dynamic Entry Channel Mode. . . . . . . B-31
Hub Configuration . . . . . . . . . . . B-32
Remote Configuration . . . . . . . . . B-33
ECM Processing . . . . . . . . . . . . B-34
Appendix C
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
Appendix D
ECM Migration
General . . . . . . . . . . . . . . . . . . . . D-1
Migration Procedure . . . . . . . . . . . . . D-3
Configure Remote Units. . . . . . . . . . . D-3
Configure Hub Unit . . . . . . . . . . . . . D-5
Appendix E
Glossary
. . . . . . . . . . . . . . . . . . . . . . . . . E-1