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Appendix B (pages C-1 through C-18)

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Satellite Modem 1
Installation and O 1
Errata A 3
Filename: T_ERRATA 2 4
Errata B 5
Errata C 7
Change Specifics: 8
Errata D 9
Errata E 11
Dual: dual sideband 12
Errata F 13
3.2.10 AC Power Connector 14
Errata G 15
Errata H 17
Errata J 19
Errata K 21
Errata L 23
Errata M 25
Errata N 27
SDM-300L3 29
Customer Support 30
Table of Contents 31
Preface MN/SDM300L3.IOM 32
Figures 39
About this Manual 42
Related Documents 42
Conventions and References 42
Cautions and Warnings 42
Metric Conversion 43
Trademarks 43
ELECTRICAL SAFETY 44
Installation 45
Warranty Policy 47
Limitations of Warranty 47
Exclusive Remedies 47
Disclaimer 47
Chapter 1. INTRODUCTION 49
SDM-300L Satellite Modem 50
1.1 Overview 51
1.2 Options Summary 51
1.5 Compatibility 54
1.6.1 Overview 54
1.6.2 Description 54
1.6.4 BPSK Encoding 56
1.6.5 QPSK Encoding 56
1.6.6 OQPSK Encoding 57
1.6.7 8PSK Encoding 57
1.7.1 Overview 58
1.8.1 Overview 60
. M&C Block Diagram 61
1.9 Dimensional Envelope 63
2.0 INSTALLATION/ 65
UPGRADES 65
2.2 Installation 66
2.3.1.1 Installation 68
Overhead 69
2.3.2 Reed-Solomon PCB 70
2.3.2.1 Unpacking 70
2.3.2.2 Installation 70
Reed-Solomon 71
Cards (TX or RX in 71
Either Slot) 71
2.3.3.1 Unpacking 72
2.3.3.2 Installation 72
2.4.1 G.703/ASYNC Module 76
2.5 Hardware Upgrades 78
2.6 Flash Upgrading 80
Chapter 3. CONNECTOR PINOUTS 83
J2 J3 J4 J5 84
Chapter 4. FRONT PANEL 97
4.2 LED Indicators 98
4.3 Front Panel Keypad 99
4.4 Menu System 100
4.4.5 REVISION EMULATION 101
4.5 Menu Tree 102
SDM-300L3 CUSTOM 103
VER: X.X.X 103
FUNCTIONAL SELECT 103
CONFIGURATION 103
TX-X CODE/DATA RATE 104
TX-IF FREQUENCY 106
1200.0000 MHz 106
TX TERMINAL FREQUENCY 106
5845.0000 MHz 106
↑] and [↓] with 107
SCRAMBLER 108
DIFF. ENCODER 108
CARRIER MODE 109
MODEM REFERENCE 109
ODU OUTPUT DELAY 111
ODU 10 MHZ REF 111
RS ENCODER (CONDITIONAL) 112
RX-X CODE/DATA RATE 112
IMPORTANT 114
DESCRAMBLER 115
DIFF. DECODER 115
RF LOOP BACK 116
IF LOOP BACK 117
RS DECODER 121
TX CLOCK SOURCE 122
TX CLOCK PHASE 123
EXT-CLK FREQ 123
BUFFER CLOCK 124
RX CLOCK PHASE 124
B-BAND LOOP BACK 125
INTRFC LOOP BACK 126
BUFFER SIZE (CONDITIONAL) 127
PCB is installed 128
RX DATA FAULT 129
TX 2047 PATTERN 129
RX 2047 PATTERN 130
TX CODING FORMAT 130
DROP FORMAT 133
INSERT FORMAT 134
Card is installed 135
Overhead Card is installed 136
(CONDITIONAL) 141
TRACKING RATE (CONDITIONAL) 144
REMOTE CL ACTION 145
↑] or [↓]. Press 146
(OPTIONAL) (CONDITIONAL) 151
(CONDITIONAL) 154
TX INTERFACE 156
156
RX INTERFACE 157
OUTDOOR UNIT 159
FUNCTION SELECT 160
STORED FLTS/ALMS 160
AUPC ENABLE (CONDITIONAL) 166
2047 ERRORS 168
ASSIGN TRANSMIT FILTERS 170
TX TERMINAL LO 172
0 MHz MIX: 172
MOD POWER OFFSET 173
MODULATOR TYPE 173
SCRAMBLER TYPE 174
ODU ALARM - LOW 176
ODU ALARM - HIGH 177
RF MODE CONTROL 177
ASSIGN RECEIVE FILTERS 179
RX TERMINAL LO 180
RX TERMINAL LO 181
O MHz MIX: 181
TX OVERHEAD TYPE 186
RX OVERHEAD TYPE 186
IDR BACKWARD 191
ALARM CONTROL 191
MASTER RESET 203
HARD/SOFT 203
UTILITY 204
MODEM TYPE 204
MODEM TYPE 204
MODEM OPTIONS 205
CARD #1 TYPE 206
OVERHEAD 01 206
CARD #2 TYPE 206
REED SOLOMON 03 206
CARD #3 TYPE 207
REED SOLOMON 02 207
CARD #1 OPTIONS 207
CARD #2 OPTIONS 208
CARD #3 OPTIONS 208
LOCAL MODEM AUPC 209
MODEM SERIAL # 209
012345678 209
Chapter 5. MODEM TYPE 217
5.2 IDR Operation 218
5.3 IBS Operation 219
5.3.1 309 IBS Operation 219
5.3.2 VSAT IBS Operation 219
5.4 D&I Operation 220
5.5 ASYNC/AUPC Operation 221
Modem Types MN/SDM300L3.IOM 222
5.7 Custom Operation 224
5.8 Reed-Solomon Modes 225
Chapter 6. CLOCKING AND RX 227
BUFFERING SETTINGS 227
Figure 6-1 230
RECOVERY 232
RX CLOCK = INSERT 234
6.3 Buffering 235
FIGURE 6-6. CLOCK SLIP 236
FIGURE 6-7. DOPPLER SHIFT 237
6.3.1 Buffer Size 238
6.4 Doppler 238
6.5 Plesiochronous 239
6.6 Frame/Multiframe Length 240
6.6.2 Total Buffer Length 240
CHAPTER 7. FEC AND TURBO 241
7.2 Coding 242
7.3.1 Introduction 242
Figure 7-1. Viterbi Decoder 247
Eb/No (dB) 248
UNCODED 1:1 BPSK OQPSK 249
Chapter 8. SYSTEM CHECKOUT 255
8.1.1 Interface Checkout 256
8.1.2 Modulator Checkout 257
WITH NOISE 260
WITHOUT NOISE 260
Chapter 9. FAULT ISOLATION 261
9.1.1 System Faults/Alarms 262
9.1.3.1 Faults Tree 263
9.1.3.2 Modulator Faults 266
9.1.3.3 Demodulator Faults 267
9.1.3.4 Outdoor Unit 268
Chapter 10. OPEN NETWORK 271
OPERATIONS 271
10.2.1 IBS Modem Defaults 274
10.3 IDR 275
0 dB V.35 Scrambler ON 278
10.4.1.1 Data Interface 281
10.4.1.2 Transmit MUX 281
10.4.1.3 Receive DEMUX 282
10.4.1.6 Backward Alarm 283
follows: 284
. D&I Modem Faults 287
Chapter 11. ASYNCHRONOUS 289
INTERFACE/AUPC 289
. ASYNC/AUPC Block Diagram 291
11.2 AUPC 292
TX and RX Reed-Solomon 293
11.2.1.1 Remote AUPC 294
11.3 ASYNC 295
11.3.3 MUX Operation 296
11.3.4 DEMUX Operation 296
11.3.5 Buffer Operation 296
11.3.8 Non-ASYNC Operation 298
ASYNC REMOTE OPERATION 300
LOCAL END REMOTE END 301
EIA-485 [4-Wire]) 306
[2-Wire]) 307
[4-Wire]) 310
CHAPTER 12. ASYMMETRICAL 313
LOOP TIMING 313
Chapter 13. G.703 317
G.703 MN/SDM300L3.IOM 318
CHAPTER 14. FULLY 319
ACCESSIBLE SYSTEM 319
TOPOLOGY (FAST) 319
Select Features: 320
Options MN/SDM300L3.IOM 321
Verify Upgrade 322
CHAPTER 15 . SPECIFICATIONS 323
Figure 15-1. Block Diagram 324
15.2 Specification Summary 325
15.5.1 Digital Data Rate 328
Capacitively coupled 331
-63.0 100 Hz 332
-73.0 1 kHz 332
-83.0 10 kHz 332
-93.0 100 kHz 332
≤ -25 dBc and carrier 334
15.6 Encoding 335
15.6.1 BPSK Encoding 335
15.6.1 QPSK Encoding 335
15.6.2 OQPSK Encoding 336
15.6.3 8PSK Encoding 336
15.7.1 Digital Data Rate 337
15.7.3 Descrambling Types 340
15.7.5 BPSK Bit Ordering 340
300L_levels.xls 343
(Optional) 344
Reed Solomon(Optional) 345
(Optional) 346
15.8.8 BER Threshold 346
15.9 Acquisition Time 347
15.9.3 AGC Output 348
15.10.13 Switch Faults 351
15.11 Decoding 351
15.11.1 BPSK Decoding 351
15.11.2 QPSK Decoding 351
15.11.4 8PSK Decoding 352
15.13.5 Turbo AUPC 358
15.14.3 IBS Framing 358
15.14.5 IBS Scrambling 359
15.15.2 D&I Framing 360
15.16.2 IDR Framing 361
15.17 System Specifications 362
15.17.1 Loopback Modes 362
15.17.2 Test Modes 362
15.17.3 Remote Control 363
15.17.5 Monitored Signals 363
15.18 Stored Faults 364
15.19 Stored Configurations 364
15.20 Interoperability Modes 364
Chapter 16. BUC FSK 365
COMMUNICATIONS 365
16.2 Message Structure 366
16.3 Power Class 367
Appendix A. REMOTE CONTROL 369
OPERATION 369
A.2 Message Structure 370
A.2.1 Start Character 370
A.2.2 Device Address 370
A.2.3 Command/Response 371
A.2.4 End Character 372
Command: 373
(MPO_) 374
Modulator Output Power 385
AUPC Local Power Enable 386
A.4.4 Fault Status 392
A.4.5 Error Performance 393
A.5 Stored Faults 396
Glossary 413
Glossary MN/SDM300L3.IOM 416
Coding, 7-2 417
Modulator:MOD Spectrum, 4-79 420
Collating Instructions 424
Appendix B. Burst Mode 425
Modulator Operation 425
B.2.1 Digital Data Rate 426
Capacitively coupled 427
B.2.8 Phase Noise 428
B.2.10 Transmit IF Power 428
B.2.13 Spurious Emissions 429
B.2.17 Transmit Preamble 430
B.2.18 Transmit Packet 430
B.2.19 Transmit Postamble 430
METRIC CONVERSIONS 433
Units of Length 433
Temperature Conversions 433
Units of Weight 433
480 • 333 • 2200 PHONE 434
480 • 333 • 2161 434

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