Mocomtech CIM-550 manual 9

CiM-550 IP Enabled Satellite Modem			Rev. 2
Preface			CD/CIM550.IOMCD/CIM550.IOM
5.5.4 Instruction Code Qualifier ...............................................................................................			58
5.5.5 Message Arguments.........................................................................................................			60
5.5.6 End Of Packet ..................................................................................................................			60
CHAPTER 6. THEORY OF OPERATION ..................................................................			81
6.1	Functional Description .........................................................................................................		81
6.2 Offset QPSK Operation........................................................................................................			82
6.3	EIA-232 Operation................................................................................................................		83
6.3.1 ASYNC EIA-232 Specifications .....................................................................................			83
6.3.2 Setup ................................................................................................................................			83
6.3.3 CLOCKING.....................................................................................................................			84
6.3.4 Transmit and Receive Clocking.......................................................................................			86
6.4 AUPC (Automatic Uplink Power Control).........................................................................			88
6.4.1 Setting AUPC Parameters................................................................................................			88
6.4.2 Compensation Rate ..........................................................................................................			90
6.4.3 Monitoring .......................................................................................................................			90
CHAPTER 7. FORWARD ERROR CORRECTION OPTIONS			.................................. 91
7.1	Introduction...........................................................................................................................		91
7.2	Viterbi ....................................................................................................................................		91
7.3	Sequential...............................................................................................................................		92
7.4	Turbo Product Codec (Option)............................................................................................		93
7.5 Uncoded Operation (No FEC) .............................................................................................			96
CHAPTER 8.		EDMAC CHANNEL............................................................................	105
8.1	Theory Of Operation ..........................................................................................................		105
8.1.1 On the transmit side: ......................................................................................................			105
8.1.2 On the receive side.........................................................................................................			106
8.2 M&C Connection................................................................................................................			107
8.3 Setup Summary...................................................................................................................			108
CHAPTER 9.		EB/NO MEASUREMENT...................................................................	109
9.1 Measuring Eb/No ................................................................................................................			109

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