Comtech EF Data SDM-300A Manuals

Manuals and User Guides for Comtech EF Data SDM-300A. We have 2 Comtech EF Data SDM-300A manuals available for free PDF download: Installation And Operation Manual, Operator's Manual

Comtech EF Data SDM-300A Installation And Operation Manual (398 pages)

Brand: Comtech EF Data | Category: Modem | Size: 5 MB

Installation and Operation Manual
2
Customer Support

3
- Table of Contents
  4
Overview of Revisions

16
About this Manual

16
- Related Documents
  16
- Conventions and References
  17
  - Cautions and Warnings
    17
  - Metric Conversion
    17
  - Recommended Standard Designations
    17
  - Trademarks
    17
- Reporting Comments or Suggestions Concerning this Manual
  17
European EMC Directive

18
Warranty Policy

19
- Limitations of Warranty
  19
- Exclusive Remedies
  19
Disclaimer

19
Chapter 1. Introduction

20
Overview

21
- Additional Features
  22
- Modes of Operation
  22
- Modem Construction
  24
- Figure 1-2. Modular Design
  24
- Figure 1-3. Block Diagram
  25
Options

26
- Table 1-1. Options
  26
Modem Assemblies

30
- Table 1-3. Efdata Part Numbers for Various Modules
  30
Typical Spectral Occupancy

31
- Figure 1-4. Typical Spectral Occupancy
  31
Dimensional Envelope

32
- Figure 1-5. Dimensional Envelope
  32
Chapter 2. Installation

34
Unpacking

34
Installation

35
- Figure 2-1. Installation of the Mounting Bracket
  36
External Modem Connections

37
- Table 2-1. Modem Rear Panel Connectors
  37
Chapter 3. Operation

54
Front Panel

54
- Figure 3-1. Front Panel View
  54
  - LED Indicators
    55
  - Table 3-1. LED Indicators
    55
  - Front Panel Keypad
    56
  - Figure 3-2. Keypad
    56
Menu System

58
Front Panel Menu

60
- Figure 3-3. Main Menu
  60
  - Figure 3-4. Configuration Modulator Menu
    61
  - Configuration Modulator
    62
  - Figure 3-5. Configuration Demodulator Menu
    65
  - Configuration Demodulator
    66
  - Figure 3-6. Configuration Interface Menu
    69
  - Configuration Interface
    71
  - Figure 3-7. Configuration Local AUPC Menu
    79
  - Configuration Local AUPC
    80
  - Figure 3-8. Configuration MUX
    81
  - Configuration MUX
    82
  - Configuration Flex Mux
    85
  - Figure 3-10. Configuration Save Menu
    87
  - Figure 3-11. Configuration Recall Menu
    87
  - Configuration Recall
    88
  - Configuration Save
    88
  - Figure 3-12. Monitor Menu
    89
  - Monitor
    90
  - Figure 3-13. Faults/Alarms Menu
    91
  - Faults/Alarms
    92
    
    Demodulator Faults
    93
    
    Modulator Faults
    93
    
    Transmit Interface Faults
    93
    
    Receive Interface Faults
    94
    
    Backward Alarms
    95
    
    Common Equipment Faults
    95
    
    Figure 3-14. Stored Faults/Alarms Menu
    97
  - Stored Faults/Alarms
    98
    
    Unavailable Seconds Fault
    98
    
    Figure 3-15. Remote AUPC Configuration Menu
    99
    
    Figure 3-16. Remote AUPC Monitor Menu
    99
  - Remote AUPC
    100
    
    Remote AUPC Configuration
    100
    
    Remote AUPC Monitor
    100
  - Utility
    102
    
    Figure 3-17. Utility Modulator Menu
    103
    
    Utility Modulator
    104
    
    Figure 3-18. Utility Demodulator Menu
    106
    
    Utility Demodulator
    107
    
    Figure 3-19. Utility Interface Menu
    109
    
    Utility Interface
    111
    
    Figure 3-20. Utility System Menu
    113
    
    Utility System
    115
    
    Figure 3-21. Utility Modem Type Menu
    119
    
    Utility Modem Type Functions
    121
    
    Figure 3-22. Utility Factory Setup Menu
    124
    
    Utility Factory Setup
    124
    
    Figure 3-23. RF Loopback
    125
    
    Figure 3-24. if Loopback
    125
    
    Figure 3-25. Baseband Loopback
    126
    
    Figure 3-26. Interface Loopback
    126
  - SDM-300A Custom Modem Defaults
    127
  - Table 3-2. SDM-300A Custom Modem Defaults
    127
  - Figure 3-9. Configuration Flex Mux
    128
Software Configuration

129
- Modem Types
  129
- Table 3-3. Modem Types
  129
- Operation
  130
  - IDR Operation
    130
  - Table 3-4. IDR Parameter Settings
    130
  - IBS Operation
    131
  - Table 3-5. IBS Parameter Settings
    131
  - D&I Operation
    132
  - Table 3-6. D&I Parameter Settings
    132
  - Table 3-7. N X 64 Chart
    132
  - ASYNC/AUPC Operation
    133
  - Table 3-8. Asynchronous Parameter Settings
    133
  - EFD Closed Network Operation
    134
  - Custom Operation
    135
  - Table 3-9. EFD Closed Network Parameter Settings
    135
  - SDM-100 Emulation Operation
    136
  - Table 3-10. SDM-100 Emulation Parameter Settings
    136
  - SDM-6000 Emulation Operation
    137
  - Table 3-11. SDM-6000 Emulation Parameter Settings
    137
  - Revision Emulation Operation
    138
  - Table 3-12. SDM-300A Revision Emulation
    138
Clocking Options

139
Buffering

146
- Figure 3-32. Clock Slip
  147
  - Figure 3-33. Doppler Shift
    148
  - Buffer Size
    149
    
    Doppler
    149
    
    Plesiochronous
    150
    
    Frame/Multiframe Length
    151
    
    Multiples of the Frame Length
    151
    
    Total Buffer Length
    151
  - Converting between Bits and Seconds
    151
    
    Bits to Seconds
    151
    
    Seconds to Bits
    151
Chapter 4. Theory of Operation

152
Monitor and Control (M&C)

152
- Theory of Operation
  153
- Figure 4-1. M&C Block Diagram
  153
- Remote Baud Rate
  155
- Remote Address
  155
Modulator

156
- Figure 4-2. Modulator Block Diagram
  156
  - Modulator Specifications
    157
  - Theory of Operation
    157
  - Theory of Modulation Types
    158
Demodulator

159
- Figure 4-3. Demodulator Block Diagram
  159
  - Demodulator Specifications
    160
  - Theory of Operation
    160
Decoder

162
Interface

163
- Figure 4-4. Interface Block Diagram
  164
  - Interface Specifications
    165
  - Plesiochronous/Doppler/Buffer
    165
  - Closed Network
    166
  - Open Network
    166
Backward Alarm Theory and Connections

167
Chapter 5. Maintenance

170
System Checkout

170
Fault Isolation

177
- System Faults/Alarms
  177
- Table 5-2. SDM-300A Fault Tree
  178
- Faults/Alarms Display
  181
- Faults/Alarms Analysis
  181
  - Modulator Faults
    182
  - Demodulator Faults
    183
  - Transmit Interface Faults
    184
  - Receive Interface Faults
    185
  - Common Equipment Faults
    187
  - Backward Alarms Faults
    188
Appendix Aoptions

190
FAST Accessible Options

191
- Table A-1. FAST Options and Required Configurations
  191
  - A.1.1 FAST System Theory
    192
  - A.1.2 Implementation
    192
    
    Activation Procedure
    192
  - A.1.3 D&I
    196
    
    D&I Specifications
    197
- Table A-2. D&I Specifications
  197
- A.1.3.1 D&I Specifications
  197
  - Figure A-1. D&I with Asynchronous Overhead Block Diagram
    199
  - Figure A-2. D&I with Asynchronous Overhead Data Flow
    200
  - Theory of Operation
    201
    
    A.1.3.2 Theory of Operation
    201
    
    Data Interference
    201
    
    Transmitted MUX
    201
    
    A.1.3.2.3 Receive DEMUX
    202
    
    Plesiochronous Buffer
    202
    
    Receive DEMUX
    202
    
    Backward Alarm
    203
    
    Engineering Service Channel (ESC
    203
    
    D&I Framing Formats
    204
    
    Figure A-3. E1 Framing Formats
    205
    
    Figure A-4. T1 Framing Formats
    206
    
    D&I Modem Defaults
    207
- Table A-3. D&I Modem Defaults
  207
  - A.1.4 Asynchronous Interface/Aupc
    208
    
    Figure A-5. ASYNC/AUPC Block Diagram
    209
    
    A.1.4.1 Aupc
    210
    
    Aupc
    210
    
    Self-Monitoring Local Modem AUPC Control
    211
    
    A.1.4.2 Remote AUPC
    212
    
    ASYNC Data Interfaces
    212
    
    Remote AUPC
    212
    
    Terrestrial Data Interfaces
    212
    
    Theory of Operation
    212
    
    A.1.4.3.3 MUX Operation
    213
    
    Buffer Operation
    213
    
    DEMUX Operation
    213
    
    MUX Operation
    213
    
    Baseband Loopback Operation
    214
    
    Loop Timing Operation
    214
    
    ASYNC Channel EIA-485 2- and 4-Wire Operation
    215
    
    Non-ASYNC Operation
    215
    
    A.1.4.3.10 Valid ASYNC Baud Rates
    216
    
    Front Panel Operation
    216
    
    ASYNC Remote Operation
    217
- Table A-4. ASYNC Remote Operation
  217
- Table A-5. Local EIA-232 to Remote EIA-232
  219
  - Configuration #2 (Local EIA-232 to Remote EIA-485 [4-Wire
    220
- Table A-6. Local EIA-232 to Remote EIA-485 (4-Wire
  220
  - Configuration #3 (Local EIA-232 to Remote EIA-485 [2-Wire
    221
- Table A-7. Local EIA-232 to Remote EIA-485 (2-Wire
  221
  - Configuration #4 (Local EIA-485 [4-Wire] to Remote EIA-232
    222
- Table A-8. Local EIA-485 (4-Wire) to Remote EIA-232
  222
  - Configuration #5 (Local EIA-485 [4-Wire] to Remote EIA-485 [4-Wire
    223
- Table A-9. Local EIA-485 (4-Wire) to Remote EIA-485 (4-Wire
  223
  - A.1.4.5.5 Configuration #5 (Local EIA-485 [4-Wire] to Remote EIA-485 [4-Wire])
    223
  - Configuration #6 (Local EIA-485 [4-Wire] to Remote EIA-485 [2-Wire
    224
- Table A-10. Local EIA-485 (4-Wire) to Remote EIA-485 (2-Wire
  224
  - A.1.4.5.6 Configuration #6 (Local EIA-485 [4-Wire] to Remote EIA-485 [2-Wire])
    224
  - Configuration #7 (Local EIA-485 [2-Wire] to Remote EIA-232
    225
- Table A-11. Local EIA-485 (2-Wire) to Remote EIA-232
  225
- Table A-12. Local EIA-485 (2-Wire) to Remote EIA-485 (4-Wire
  227
  - A.1.4.5.8 Configuration #8 (Local EIA-485 [2-Wire] to Remote EIA-485 [4-Wire])
    227
  - ASYNC/AUPC Modem Defaults
    229
- Table A-13. ASYNC/AUPC Modem Defaults
  229
  - Sequential Decoder
    230
    
    A.1.4.7 Sequential Decoder
    230
    
    Figure A-8. Sequential Decoder Block Diagram
    230
    
    A.1.4.7.1 Theory of Operation
    231
    
    Theory of Operation
    231
    
    A.1.4.8 Viterbi Decoder
    232
    
    Figure A-9. Viterbi Decoder Block Diagram
    232
    
    Viterbi Decoder
    232
    
    Specifications
    233
    
    Theory of Operation
    233
- Table A-14. Viterbi Specification
  233
  - A.1.4.8.1 Specifications
    233
  - Reed-Solomon Decoder
    234
  - A.1.5 Idr
    235
    
    Figure A-10. IDR Interface Block Diagram
    237
    
    IDR Specifications
    238
- Table A-15. IDR Specification
  238
  - A.1.5.1 IDR Specifications
    238
  - IDR Modem Defaults
    239
- Table A-16. IDR Modem Defaults
  239
  - Figure A-11. IBS Interface Block Diagram
    241
  - IBS Specification S
    242
- Table A-17. IBS Specifications
  242
  - A.1.5.3 IBS Specification S
    242
  - IBS Modem Defaults
    243
- Table A-18. IBS Modem Defaults
  243
  - A.1.6 Asymmetrical Loop Timing
    244
    
    Figure A-12. Transmit Section of the Asymmetrical Loop Timing Block Diagram
    245
    
    Figure A-13. Receive Section of the Asymmetrical Loop Timing Block Diagram
    246
    
    A.1.7 G.703
    247
    
    G.703 Specifications
    248
  - A.1.8 Variable Data Rates
    248
- Table A-19. G.703 Specifications
  248
- A.1.7.1 G.703 Specifications
  248
Conventional Options

249
- Figure A-14. Reed-Solomon PCB (AS/5304-1
  249
  - A.2 Conventional Options
    249
  - A.2.1.1 Specifications
    250
  - Figure A-15. Reed-Solomon Codec Block Diagram
    250
  - Specifications
    250
  - A.2.1.2 Theory of Operation
    251
  - Figure A-16. Reed-Solomon Encoder Section Block Diagram
    251
  - Reed-Solomon Encoder
    251
  - Theory of Operation
    251
  - Figure A-17. Reed-Solomon Code Page Format
    253
  - Figure A-18. Reed-Solomon Decoder Section Block Diagram
    254
  - Reed-Solomon Decoder
    254
  - A.2.1.5 Unpacking
    256
  - Installation
    256
  - Unpacking
    256
  - Figure A-19. Reed-Solomon Codec Installation
    257
Software and Hardware Installation/Upgrades

258
- A.3.1 Overhead Interface PCB Installation
  258
  - Installation
    259
  - A.3.1.1 Installation
    259
  - Figure A-20. Overhead Interface PCB Installation
    260
- A.3.2 Hardware Upgrades
  261
- A.3.3 8-Channel Multiplexer Option
  263
  - Figure A-23. 8-Channel Multiplexer PCB (AS/5985
    263
  - A.3.3.1 Installation
    264
  - Installation
    264
  - Figure A-24. 8-Channel Multiplexer Installation
    265
  - Specifications Summary
    266
- Table A-21. Specification Summary
  266
- Table A-22. MUX Data 100-Pin Connector (J10
  267
  - A.3.4 Flex Mux
    268
- Table A-23. System Specification
  268
- Table A-24. Multiplexer Specification
  268
- Figure A-25. Flex Mux (AS/6450
  269
- Table A-25. Demultiplexer Specific Specifications
  271
  - Installation
    272
  - A.3.4.1 Installation
    272
  - Figure A-26. Flex Mux Multiplexer Installation
    273
  - Pin Assignment
    274
- Table A-26. 50-Pin Connector Pin Assignments
  274
Appendix B. Remote Control Operation

276
General

276
- B.1 General
  276
Message Structure

277
- Start Character
  277
- Device Address
  277
- B.2 Message Structure
  277
- Command/Response
  278
- End Character
  278
- B.2.3 Command/Response
  278
Configuration Commands/Responses

279
Status Commands/Responses

296
- Modulator Configuration Status
  296
- Demodulator Configuration Status
  300
- Error Performance
  307
- B.4.3 Error Performance
  307
Stored Faults

310
- B.5 Stored Faults
  310
Flex Mux Configuration Commands (Flex Mux PCB Installed Only

328
Appendix C. Specifications

331
Specifications

331
- General Specifications
  331
- Table C-1. General Specifications
  331
Modulator Specifications

334
- Digital Data Rate
  334
- Table C-2. Modulator Digital Data Rate
  334
  - Modulation and Encoding Types
    336
- Table A-20. Specifications
  336
- Table C-3. Modulation and Encoding Types
  336
  - Scrambling Types
    337
  - Differential Encoder
    337
  - BPSK Bit Ordering
    337
  - Interleaver (Reed-Solomon Codec
    337
  - C.2.3 Scrambling Types
    337
  - Transmit Frequency (if
    338
  - Frequency Reference
    338
  - Transmit Frequency Change Time
    338
  - Phase Noise
    338
  - Transmit if Output Switch
    339
  - Transmit if Power
    339
  - Modulator Power Offset
    339
  - Modulated if Output Shape
    339
  - Spurious Emissions
    339
  - Modulator Phase Error
    340
  - Transmit if Test Modes
    340
  - Encoding
    340
    
    BPSK Encoding
    340
    
    QPSK Encoding
    340
    
    8PSK Encoding
    341
    
    C.2.19.3 OQPSK Encoding
    341
    
    OQPSK Encoding
    341
- Table C-4. Demodulator Digital Data Rated
  342
- Table C-5. Demodulation FEC Decoding
  343
  - Descrambling Types
    344
  - Differential Decoder
    344
  - BPSK Bit Ordering
    344
  - Decoding
    344
    
    BPSK Encoding
    344
    
    C.3.3 Descrambling Types
    344
    
    8PSK Encoding
    345
    
    C.3.6.2 QPSK Encoding
    345
    
    OQPSK Encoding
    345
    
    QPSK Encoding
    345
  - Demodulator (Reed-Solomon Codec
    346
  - Demodulator Spectrum Rotation
    346
  - Receive Frequency (if
    346
  - Receive Input Power (Desired Carrier
    346
  - Receive Input Power (Composite
    346
  - IF Input Overload
    346
  - Demodulator if Input Shape
    347
  - Channel Spacing/Adjacent Carrier Performance
    347
BER Performance Specifications

348
Acquisition Time

367
- Receive if Carrier Acquisition Range
  367
- Receive if Carrier Reacquisition
  367
- Table C-16. Acquisition Time
  367
  - AGC Output
    368
Interface Specifications

368
- Interface General
  368
- Transmit Clock Source
  368
- Send Clock Timing Source
  368
  - C.6 Interface Specifications
    368
  - Doppler/Plesiochronous Buffer Clock Source
    369
  - Receive Clock Phase Adjustment
    369
  - Receive Clock Switching Due to Failure of Selected Clock
    369
  - Transmit Clock Phase Adjustment
    369
  - Transmit Clock Switching Due to Failure of Selected Clock
    369
  - Transmit Data Phase Adjustment
    369
  - Transmit Data Stable Condition
    369
  - Buffer Centering
    370
  - Receive Clock Jitter
    370
  - Receive Data Phase Adjustment
    370
  - Receive Data Stable Condition
    370
  - Receive Doppler/Plesiochronous Buffer Size
    370
  - Switch Faults
    370
Terrestrial Interface Types

371
- Universal
  371
- Specifications
  372
Asynchronous Overhead Specification (Optional

375
- Asynchronous Baud Rates
  376
- Asynchronous Overhead Data Format
  376
- Local Automatic Uplink Power Control (AUPC
  376
- AUPC Power Levels
  376
- AUPC Target Noise Level
  376
- AUPC Tracking Rate
  376
- AUPC Carrier Loss Action
  377
- Remote AUPC
  377
Intelsat Business System

378
- IBS (Optional with Overhead Card
  378
- IBS Primary Data Interfaces
  378
- IBS Clock and Dejitter
  378
- Table C-17. IBS Specifications
  378
  - IBS Framing
    379
  - IBS Engineering Service Channel
    379
  - IBS Scrambling
    379
  - C.9.4 IBS Framing
    379
Drop and Insert

380
- D&I (Optional with Overhead Card
  380
- Table C-18. D&I Specifications
  380
  - D&I Primary Data Interfaces
    381
  - D&I Framing
    381
Intermediate Data Rate

382
- IDR (Optional with Overhead Card
  382
- IDR Primary Data Interfaces
  382
- Table C-19. IDR Specifications
  382
  - IDR Framing
    383
  - IDR Engineering Service Channel
    383
  - C.11.3 IDR Framing
    383
System Specifications

384
- Loopback Modes
  384
- Test Modes
  384
- Table C-20. Test Modes
  384
  - C.12 System Specifications
    384
  - C.12.3 Remote Control
    385
  - Modem Remote Address
    385
  - Monitored Signals
    385
  - Remote Control
    385
  - C.12.6 Master Reset
    386
  - Master Reset
    386
  - Modem Emulation Modes
    386
Doppler

387
- Table C-21. Minimum Doppler/Plesiochronous Buffer Capacity Requirements
  387
- C.13 Doppler
  387
Glossary

389
Index

393

Comtech EF Data SDM-300A Operator's Manual (44 pages)

Brand: Comtech EF Data | Category: Modem | Size: 0 MB

Table of Contents
9
About this Manual
11
1 Introduction

13
Title Box

13
Revision History

13
Equipment

15
- Equipment Rack Elevation
  15
- Equipment View
  15
- Equipment Rack Wiring Diagram
  15
2 Equipment View

19
- CIM-300L
  26
  - CIM-550
    27
  - CDM-550
    28
  - CDM-600
    29
- Sdm-300A
  30
- SDM-2020 Modulator
  31
- SDM-2020 Demodulator
  32
Required Equipment

35
Typical Rack Installation

36
- Workstation
  36
  - Snm-1000
    36
  - Sms-301
    37
- Rack Installation
  38
- Snm-1001
  39
- Wiring Connections
  40
- Snm-1002
  40
- Equipment Rack History
  41

Comtech EF Data Categories

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More Comtech EF Data Manuals

Comtech EF Data SDM-300A Manuals

Comtech EF Data SDM-300A Installation And Operation Manual (398 pages)

Table of Contents

Customer Support

Overview of Revisions

About this Manual

European EMC Directive

Warranty Policy

Disclaimer

Chapter 1. Introduction

Overview

Options

Modem Assemblies

Typical Spectral Occupancy

Dimensional Envelope

Chapter 2. Installation

Unpacking

Installation

External Modem Connections

Chapter 3. Operation

Front Panel

Menu System

Front Panel Menu

Software Configuration

Clocking Options

Buffering

Chapter 4. Theory of Operation

Monitor and Control (M&C)

Modulator

Demodulator

Decoder

Interface

Backward Alarm Theory and Connections

Chapter 5. Maintenance

System Checkout

Fault Isolation

Appendix Aoptions

FAST Accessible Options

Conventional Options

Software and Hardware Installation/Upgrades

Appendix B. Remote Control Operation

General

Message Structure

Configuration Commands/Responses

Status Commands/Responses

Stored Faults

Flex Mux Configuration Commands (Flex Mux PCB Installed Only

Appendix C. Specifications

Specifications

Modulator Specifications

BER Performance Specifications

Acquisition Time

Interface Specifications

Terrestrial Interface Types

Asynchronous Overhead Specification (Optional

Intelsat Business System

Drop and Insert

Intermediate Data Rate

System Specifications

Doppler

Glossary

Index

Comtech EF Data SDM-300A Operator's Manual (44 pages)

Table of Contents

1 Introduction

Title Box

Revision History

Equipment

2 Equipment View

Required Equipment

Typical Rack Installation

Related Products

Comtech EF Data Categories