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SDM-2020 Satellite Demodulator Revision 4
Specification MN/SDM2020D.IOM
5–9
5.3 Data Rates
Table 5-4. Unframed (187) Mode
Code Rate
Minimum
Data Rate
(bps)
Maximum
Data Rate
(bps)
Minimum
Symbol Rate
(sym/s)
Maximum
Symbol Rate
(sym/s)
Remarks
QPSK 1/2 1,375,000 34,375,000 1,500,000 37,500,000
QPSK 2/3 1,833,333 45,000,000 1,500,000 36,818,181
QPSK 3/4 2,062,500 45,000,000 1,500,000 32,727,272
QPSK 5/6 2,291,666 45,000,000 1,500,000 29,454,545
QPSK 7/8 2,406,250 45,000,000 1,500,000 28,051,948
8-PSK 2/3 2,750,000 68,750,000 1,500,000 37,500,000
8-PSK 5/6 3,437,500 85,937,500 1,500,000 37,500,000
8-PSK 8/9 3,666,666 91,666,666 1,500,000 37,500,000
16-QAM 3/4 4,125,000 91,666,666 1,500,000 33,333,333
16-QAM 7/8 4,812,500 91,666,666 1,500,000 28,571,428
Table 5-5. 188 Mode
Code Rate
Minimum
Data Rate
(bps)
Maximum
Data Rate
(bps)
Minimum
Symbol Rate
(sym/s)
Maximum
Symbol Rate
(sym/s)
Remarks
QPSK 1/2 1,382,353 34,558,823 1,500,000 37,500,000
QPSK 2/3 1,843,137 45,000,000 1,500,000 36,622,340
QPSK 3/4 2,073,529 45,000,000 1,500,000 32,553,191
QPSK 5/6 2,303,921 45,000,000 1,500,000 29,297,872
QPSK 7/8 2,419,117 45,000,000 1,500,000 27,902,735
8-PSK 2/3 2,764,705 69,117,647 1,500,000 37,500,000
8-PSK 5/6 3,455,882 86,397,059 1,500,000 37,500,000
8-PSK 8/9 3,686,274 92,156,862 1,500,000 37,500,000
16-QAM 3/4 4,147,058 92,156,862 1,500,000 33,333,333
16-QAM 7/8 4,838,235 92,156,862 1,500,000 28,571,428
Table 5-6. 204 Mode
Code Rate
Minimum
Data Rate
(bps)
Maximum
Data Rate
(bps)
Minimum
Symbol Rate
(sym/s)
Maximum
Symbol Rate
(sym/s)
Remarks
QPSK 1/2 1,500,000 37,500,000 1,500,000 37,500,000
QPSK 2/3 2,000,000 45,000,000 1,500,000 33,750,000
QPSK 3/4 2,250,000 45,000,000 1,500,000 30,000,000
QPSK 5/6 2,500,000 45,000,000 1,500,000 27,000,000
QPSK 7/8 2,625,000 45,000,000 1,500,000 25,714,285
8-PSK 2/3 3,000,000 75,000,000 1,500,000 37,500,000
8-PSK 5/6 3,750,000 93,750,000 1,500,000 37,500,000
8-PSK 8/9 4,000,000 100,000,000 1,500,000 37,500,000
16-QAM 3/4 4,500,000 100,000,000 1,500,000 33,333,333
16-QAM 7/8 5,250,000 100,000,000 1,500,000 28,571,428
- Satellite Demodulato 1
- Installation and O 1
- Errata A 3
- Errata B 5
- Errata C 7
- SDM-2020 9
- Errata D 10
- Customer Support 12
- Table of Contents 13
- Preface MN/SDM2020D.IOM 14
- Figures 18
- Metric Conversion 22
- Trademarks 22
- Installation 24
- Warranty Policy 26
- Limitations of Warranty 26
- Exclusive Remedies 26
- Disclaimer 26
- Chapter 1. INTRODUCTION 27
- Mbps, with maximum 28
- 1.2 Assemblies 30
- 1.3 FAST Options 30
- 1.4.2 Transmit/Receive Data 32
- Chapter 2. INSTALLATION 35
- 2.2 Installation 36
- J3 PARALLEL J4 SERIAL J5 AUX 38
- Chapter 3. EXTERNAL 41
- CONNECTIONS 41
- 3.2 Connections 44
- 3.2.2 Fault Connector (J2) 45
- 3.2.3 Monitor Points (J21) 46
- 3.2.5 AC Power 47
- 3.2.6 Fuse Data 48
- 3.2.7 DC Power (Optional) 48
- 3.2.8 Ground (GND) or Earth 48
- SYSTEM TOPOLOGY (FAST) 49
- CHAPTER 4. FULLY ACCESSIBLE 49
- 4.1.1.1 Activation Procedure 50
- Select Features: 50
- Verify Upgrade 52
- Chapter 5. SPECIFICATION 53
- 5.2 BER Performance 58
- Specification 59
- 5.3 Data Rates 61
- 5.4 Fault Tree 62
- Chapter 6. FRONT PANEL 65
- OPERATION 65
- 6.1.1 Front Panel 66
- 6.1.2 LED Indicators 67
- 6.1.3 Front Panel Keypad 68
- 6.1.4 Menu System 69
- SDM-2020D 70
- MENU TREE 70
- IMPORTANT 105
- RX INTRF Firmware 107
- to set the baud 112
- to execute the change 114
- (Conditional) 116
- 6.1.13 Initial Defaults 122
- (see Note 4) 13 VDC 123
- (see Note 5) Off 123
- (see Note 5) 123
- 6.1.14 (C+N)/N to C/N and E 124
- Conversion 124
- Conversion Chart 125
- 7.2 Description 128
- 7.3 Configuration 130
- 7.3.1 User Interfaces 131
- 7.3.1.3 Auxiliary, J5 134
- Chapter 8. LOW VOLTAGE 137
- DIFFERENTIAL (LVDS) 137
- INTERFACE 137
- 8.1.2 Description 138
- 8.1.3 Configuration 139
- DEMODULATOR 140
- MODULATOR 140
- 8.1.4 User Interfaces 141
- 8.1.4.2 Auxiliary, J5 143
- 9.1.1 Applicable Documents 145
- 9.1.2 Description 146
- 9.1.3 User Interfaces 149
- 10.1.1 Applicable Documents 154
- 10.1.2 Description 154
- 10.1.3 Specifications 154
- 159
- 10.1.4.6 Terrestrial Timing 162
- 10.1.5.2 Faults 165
- 11.1.2 Description 168
- 11.1.3 Specifications 171
- 11.1.5.1 Buffer Size 176
- 11.1.5.2 Frame Structures 176
- 11.1.5.5 Buffer Centering 177
- interfere with 178
- 11.1.7 Test Modes 179
- 11.1.7.1 Interface Loopback 179
- Connectors J3, J4 & J6 180
- 12.1.2 Description 184
- 0.0 V ± 0.5 V 186
- 13.1.2 Description 192
- (see text) 193
- 13.1.3.1 Jumper Selection 195
- 13.1.4 Loopback Connection 197
- 13.1.5 Loop Thru 197
- Appendix A. REMOTE CONTROL 201
- COMMANDS 201
- A.1.2 Start Character 202
- A.1.3 Device Address 202
- A.1.4 End Character 202
- A.1.5 Command/Response 203
- RS-422 Interface 208
- LVDS Interface 209
- ASI/RS-422 Interface 209
- ASI/LVDS Interface 209
- SMPTE-310 Interface 210
- G.703 Interface 210
- ECL_HSSI Interface 211
- A.1.11 Configuration Status 214
- A.1.13 Stored Faults 220
- A.1.16 Data Interfaces 227
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