Comtech EF Data CDM-760 Installation And Operation Manual page 19

Table of Contents
CDM-760 Advanced High-Speed Trunking Modem
J.4.5 Carrier-in-Carrier Link Design ..................................................................................................... J-8
J.4.6 Symmetric Data Rate Link .......................................................................................................... J-9
J.4.6.1 Asymmetric Data Rate Link .............................................................................................. J-11
J.4.6.2 Power Limited Links ......................................................................................................... J-12
J.4.7 Commissioning and Deploying Carrier-in-Carrier .................................................................... J-14
J.5 Operational References ...................................................................................................... J-15
J.5.1 Calculating a Carrier-in-Carrier Link Budget ............................................................................ J-15
J.5.2 Estimating / Calculating CnC Ratio ........................................................................................... J-16
J.5.2.1 Estimating CnC Ratio from LST / EIRP .............................................................................. J-16
J.5.2.2 Calculating CnC Ratio from Carrier to Noise Ratio (C/N) on a Spectrum Analyzer .......... J-17
J.5.3 Calculating CnC Ratio and PSD Ratio from Satmaster ............................................................. J-18
J.6 DoubleTalk Carrier-in-Carrier Specifications ........................................................................ J-18
J.7 Carrier-in-Carrier Summary ................................................................................................ J-18
J.8 Glossary............................................................................................................................. J-19
APPENDIX K. QUALITY OF SERVICE (QOS) .................................................................................. K-1
K.1 Overview ............................................................................................................................ K-1
K.2 QoS Characteristics ............................................................................................................. K-1
K.2.1 Traffic Filtering .......................................................................................................................... K-1
K.2.2 Traffic Shaping .......................................................................................................................... K-1
K.3 Traffic Shaping Functionality (QoS) ...................................................................................... K-2
K.3.1 Classification ............................................................................................................................. K-2
K.3.2 Prioritization.............................................................................................................................. K-3
K.3.3 Drain .......................................................................................................................................... K-3
K.3.3.1 Max/Priority Mode............................................................................................................ K-3
K.3.3.2 Min/Max Mode ................................................................................................................. K-4
K.3.3.3 DiffServ Mode ................................................................................................................... K-5
K.4 Weighting ........................................................................................................................... K-5
K.4.1 Overview ................................................................................................................................... K-5
K.4.2 Weights ..................................................................................................................................... K-5
K.4.2.1 Order of Scheduling .......................................................................................................... K-5
K.4.2.2 Weighted Scheduling ........................................................................................................ K-6
K.4.2.3 Operational Examples ....................................................................................................... K-7
K.4.2.3.1 Example 1 ..................................................................................................................... K-7
K.4.2.3.2 Example 2 ..................................................................................................................... K-8
K.4.2.3.3 Example 3 ................................................................................................................... K-10
K.4.2.3.4 Example 4 ................................................................................................................... K-11
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Revision 4
MN-CDM760/CD-CDM760