Comtech EF Data CDM-625, Инструкция по установке и эксплуатации

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CDM-625 Advanced Satellite Modem Revision 1
Table of Contents MN-0000036 (Ref MN/CDM625.IOM)
10.6 1
st
CnC Example: Adjacent Carriers, CnC Ratio and Rain Fade ........................................ 10–7
10.7 2
nd
CnC Example: CnC Ratio With Asymmetric Links ........................................................ 10–9
10.8 3
rd
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 & + ....................................................................................................................... 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
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