Comtech EF Data CDM-625 - Page 17

CDM-625 Advanced Satellite Modem Revision 13
Table of Contents MN-CDM625
xiii
10.5.2.3 Estimating PSD Ratio Using Spectrum Analyzer .......................................................................... 10–19
10.6 Carrier-in-Carrier Automatic Power Control (CnC-APC) ..................................................... 10–20
10.6.1 Introduction .......................................................................................................................................... 10–20
10.6.2 AUPC and Carrier-in-Carrier in the CDM-625 ................................................................................... 10–20
10.6.3 The CnC Automatic Power Control Algorithm .................................................................................. 10–20
10.6.4 CnC-APC Framing ................................................................................................................................. 10–23
10.6.5 Solving the Problem of Self-Locking................................................................................................... 10–24
10.6.6 CnC-APC Response Time ..................................................................................................................... 10–24
10.6.7 CnC-APC Setup ..................................................................................................................................... 10–24
10.6.8 CnC-APC Redundancy Support Notes ............................................................................................... 10–28
10.7 DoubleTalk Carrier-in-Carrier Specifications ..................................................................... 10–29
10.8 Carrier-in-Carrier Summary ............................................................................................. 10–30
10.9 Glossary.......................................................................................................................... 10–30
CHAPTER 11. EDMAC CHANNEL .................................................................................... 11–1
11.1 Theory of Operation .......................................................................................................... 11–1
11.1.1 EDMAC ..................................................................................................................................................... 11–1
11.1.2 Drop & Insert ++ ...................................................................................................................................... 11–2
11.1.3 EDMAC-3 .................................................................................................................................................. 11–2
11.2 M&C Connection ............................................................................................................... 11–2
11.3 Setup Summary ................................................................................................................ 11–4
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