Comtech EF Data CDM-625 Installation And Operation Manual page 14

CDM-625 Advanced Satellite Modem
Table of Contents
st
10.6 1 CnC Example: Adjacent Carriers, CnC Ratio and Rain Fade ........................................ 10-7
nd
10.7 2 CnC Example: CnC Ratio With Asymmetric Links ........................................................ 10-9
rd
10.8 3 CnC Example: Asymmetric Link With Rain Fade ........................................................ 10-11
10.9 Summary of Specifications ..................................................................................................... 10-12
10.10 Conclusion ........................................................................................................................... 10-12
CHAPTER 11. EDMAC CHANNEL ..................................................................................... 11-1
11.1 Theory Of Operation ................................................................................................................ 11-1
11.2 M&C Connection ...................................................................................................................... 11-2
11.3 Setup Summary ......................................................................................................................... 11-3
11.4 Drop & Insert ++ ....................................................................................................................... 11-3
CHAPTER 12. ESC++ ......................................................................................................... 12-1
12.1 Introduction ............................................................................................................................... 12-1
12.2 Overhead Details ....................................................................................................................... 12-1
12.3 Available Baud Rates ................................................................................................................ 12-2
12.4 Configuration ............................................................................................................................ 12-2
12.5 Effect on Eb/No performance .................................................................................................. 12-2
CHAPTER 13. OFFSET QPSK OPERATION ..................................................................... 13-1
CHAPTER 14. OPEN NETWORK OPERATIONS............................................................... 14-1
14.1 Overview .................................................................................................................................... 14-1
14.2 IBS .............................................................................................................................................. 14-1
14.2.1 IBS Clock/data Recovery and De-jitter............................................................................... 14-2
14.2.2 IBS Framing ........................................................................................................................ 14-2
14.2.3 IBS Engineering Service Channel ....................................................................................... 14-2
14.2.4 IBS Scrambling ................................................................................................................... 14-2
14.3 Drop and Insert (D&I) .............................................................................................................. 14-3
14.3.1 D&I Primary Data Interfaces .............................................................................................. 14-4
14.3.2 D&I Framing ....................................................................................................................... 14-4
14.4 IDR ............................................................................................................................................. 14-5
MN-0000036 (Ref MN/CDM625.IOM)
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