Comtech EF Data SDM-2020 Manuals

Manuals and User Guides for Comtech EF Data SDM-2020. We have 1 Comtech EF Data SDM-2020 manual available for free PDF download: Installation And Operation Manual

Comtech EF Data SDM-2020 Installation And Operation Manual (215 pages)

Satellite Demodulator

Brand: Comtech EF Data | Category: Modulator | Size: 1 MB

Table of Contents
4
Chapter 1. Introduction

16
Overview

16
Assemblies

21
- Demodulator
  21
- Data Interfaces
  21
- FAST Options
  22
Specifications

22
BER Performance

27
- Figure 1-5. QPSK (1/2, 2/3, 3/4, 5/6, 7/8 Rates) with Reed-Solomon
  28
- Figure 1-6. 8PSK (2/3, 5/6, 8/9 Rates) with Reed-Solomon
  29
SDM-2020 Demodulator Envelope

31
- Figure 1-8. SDM-2020 Demodulator Envelope
  31
Chapter 2. Installation

33
Unpacking

33
Installation

34
- Figure 2-1. Typical Rack Installation
  35
  - Data Interfaces
    36
    
    Figure 2-2. Typical Data Interface Module
    36
    
    Data Interface Installation
    37
    
    Data Interface Removal
    37
External Connections

38
- Figure 2-3. Rear Panel, Single RF Input
  38
Proper Operations for Emissions (CE)

44
Chapter 3. Operation

45
Introduction

45
- Table 3-1. Mode Description
  45
Front Panel

46
- Figure 3-1. Front Panel
  46
Menu System

49
- Figure 3-3. Main Menu
  50
Initial Defaults

96
- Table 3-4. Initial Defaults
  96
  - (C+N)/N to C/N and E Conversion
    98
  - Table 3-5. (C+N)/N to C/N and E
    99
Fault Tree

100
- Table 3-6. Demodulator Fault Tree
  100
Revision Emulation Operation FW/6224-1

101
Revision Emulation Operation FW/7734-1

101
- Table 3-7. SDM-2020 Demodulator Revision Emulation
  101
Appendix A. Data Interfaces

102
Description

102
- A.1 Description
  102
- Interface/M&C Software Requirements
  103
- Table A-1. Minimum Software Revisions
  103
- Transmit/Receive Data
  103
- Figure A-1. 204 Byte Parallel Format
  104
- Figure A-2. 204 Byte Serial Format
  104
- Table A-2. 204 Data and Timing
  105
Parallel/Serial Interface

106
- Applicable Documents
  106
- Description
  106
- A.2 RS-422 Parallel/Serial Interface
  106
- Configuration
  107
- A.2.3 Configuration
  107
- User Interfaces
  109
  - Parallel, J3, DB25 Female (DVB Parallel/Serial Data Interface
    109
    
    A.2.4 User Interfaces
    109
    
    Connector Pinout, J3, Parallel/Serial DVB
    109
  - Serial, J4, DB25 Female (EIA-530 Serial Data Interface
    110
- Table A-4. DVB Interface Connector Pinout, J3
  110
  - Connector Pinouts, J4, EIA-530
    111
- Table A-5. EIA-530 Serial Interface Connector Pinout (J4
  111
  - A.2.4.2.1 Connector Pinouts, J4, EIA-530
    111
  - Auxiliary, J5
    112
    
    Connector Pinout, J5
    112
- Table A-6. Auxiliary Connector Pinout (J5
  112
Low Voltage Differential Signal (LVDS) Interface

114
- Applicable Documents
  114
- Description
  114
- Table A-7. LVDS Specifications
  115
  - Configuration
    116
  - Figure A-4. LVDS Interface Module PCB
    116
  - A.3.3 Configuration
    116
  - User Interfaces
    117
    
    A.3.4 User Interfaces
    117
    
    Connector Pinouts, J3
    117
    
    Receive/Transmit Data, J3/J4, DB25 Female
    117
    
    Connector Pinouts, J4
    118
- Table A-8. DVB Interface Connector Pinout, J3 Receive out
  118
- Table A-9. DVB Interface Connector Pinout, J4 TX in
  118
  - A.3.4.1.2 Connector Pinouts, J4
    118
  - Auxiliary, J5
    119
    
    A.3.4.2 Auxiliary, J5
    119
    
    Connector Pinout, J5
    119
  - LVDS Interface Front Panel Menus
    120
  - LVDS Interface Remote Commands
    120
- Table A-10. Auxiliary Connector Pinout
  120
ASI/RS-422 (Asynchronous Serial Interface and Serial Data Interface

122
- Applicable Documents
  122
- Description
  122
- Figure A-6. ASI Module Assembly
  123
- Table A-11. ASI/RS-422 Specifications
  124
  - User Interfaces
    125
    
    A.4.3 User Interfaces
    125
    
    Connector Pinout, J5
    125
    
    RS-422 Connector, J5, 25-Pin D, Female
    125
    
    Transmit Input Connectors, J3/J4, BNC, Female
    125
    
    Receive Output Connectors, J6/J7, BNC, Female
    126
- Table A-12. RS-422 Connector Pinout (Per EIA-530), J5
  126
  - ASI/RS-422 Interface Front Panel Menus
    127
  - ASI/RS-422 Remote Interface Commands
    127
ECL/HSSI Interface

128
- Applicable Documents
  128
- Description
  128
- Specifications
  129
  - Specification Summary
    129
- Terrestrial (User) Data Interface
  129
  - Terrestrial Transport Protocols
    129
- Table A-13. Specification Summary
  129
- Table A-14. Framing Format Summary
  129
- A.5.3 Specifications
  129
- Table A-15. Terrestrial Transport Protocols
  130
- Table A-16. HSSI Pinout (J3
  132
- Table A-17. Definition of Signals
  135
  - Terrestrial Data Rate
    136
  - Terrestrial Electrical Characteristics
    136
  - Terrestrial Timing
    136
- Table A-18. HSSI General Specifications
  136
  - Figure A-13. Nominal Interface Timing
    137
  - Figure A-14. Interface Timing
    137
  - Terrestrial RX Clock Phase
    138
  - Terrestrial TX Clock Phase
    138
- Table A-19. Transmit Timing Parameters
  138
- Table A-20. Receive Timing Parameters
  138
  - Monitor and Control Functions
    139
    
    Faults
    139
    
    System Implementation
    139
- Table A-21. Signal Definition
  139
- Table A-22. Fault Signal Definitions
  139
  - ECL/HSSI Interface Front Panel Menus
    140
  - ECL/HSSI Interface Remote Control Commands
    140
G.703 Data Interface

142
- Applicable Documents
  142
- A.6 G.703 Data Interface
  142
- Description
  143
- A.6.2 Description
  143
- Figure A-15. G.703 Block Diagram
  144
- Figure A-16. G.703 Interface Assembly
  144
- G.703 Specifications
  145
- Table A-23. G.703 Specification
  145
  - A.6.3 Specifications
    145
  - Receive Specifications
    147
    
    Receive Data Rate 1.544 Mbit/S Specification
    147
    
    Receive Data Rate 2.048 Mbit/S Specifications
    147
- Table A-24. RX Data Rate 1.544 Mbit/S
  147
- Table A-25. RX Data Rate 2.048 Mbit/S
  147
- Table A-26. RX Data Rate 6.312 Mbit/S
  148
- Table A-27. RX Data Rate 8.448 Mbit/S
  148
- Table A-31. RX Data Rate 51.840 Mbit/S
  150
  - Receive Doppler/Plesiochronous Buffer Specifications
    151
    
    Buffer Clock Backup
    151
    
    Buffer Clock Sources
    151
    
    Buffer Size
    151
    
    Frame Structures
    151
    
    Buffer Centering
    152
    
    General Receive Specifications
    152
- Table A-32. General RX Specification
  152
  - A.6.5.5 Buffer Centering
    152
  - Interface Loop - through
    153
  - Test Modes
    154
    
    A.6.7 Test Modes
    154
    
    Figure A-17. Co-Located Modulator and Demodulator
    154
    
    Interface Loopback
    154
  - Terrestrial Interface Types
    155
    
    Auxiliary Functions Connector, J5
    155
  - Environmental Requirements
    156
  - G.703 Interface Front Panel Menus
    156
  - G.703 Remote Interface Commands
    156
- Table A-33. G.703 Auxiliary Connector Pinout
  156
- A.6.9 Environmental Requirements
  156
SMPTE 310M/SSI Data Interface

158
ASI/LVDS Data Interface

166
- Applicable Documents
  166
- Description
  166
- Figure A-20. ASI and LVDS Interface Block Diagram
  167
- Interface Specifications
  168
- Table A-38. ASI/LVDS Specifications
  168
  - A.8.3 Interface Specifications
    168
  - A.8.3.1 Jumper Selection
    170
  - Figure A-21. ASI/LVDS Jumper Selection
    170
  - Jumper Selection
    170
  - Applicable Jumper Data
    171
- Table A-39. Modulator/Demodulator Jumper Selection
  171
  - Loopback Connection
    172
  - Loop Thru
    172
  - A.8.4 Loopback Connection
    172
  - Connector Pinout Data
    173
    
    ASI Connector Pinout
    173
    
    LVDS Connector Pinout (J6
    173
- Table A-41. LVDS Connector Pinout (J6
  173
  - Auxiliary Connector Pinout (J5
    174
- Table A-42. Auxiliary Connector Pinout (J5
  174
  - ASI/LVDS Interface Defaults
    175
Appendix B. Remote Control Operation

176
General

176
Message Structure

176
- B.1 General
  176
- B.2.1 Start Character
  177
- Device Address
  177
- Start Character
  177
- B.2.3 Command/Response
  178
- Command/Response
  178
- B.2.4 End Character
  179
- End Character
  179
Configuration Commands/Responses

180
- Demodulator Configuration Commands
  180
Interface Status Commands/Responses

182
System Configuration Commands/Responses

183
Cinfiguration Status

184
Error Performance Status

188
Stored Faults

190
- B.8 Stored Faults
  190
Data Interfaces

196
- RS422 Interface Commands
  196
- B.9 Data Interfaces
  196
- ASI/RS422 Interface Commands
  197
- ECL_HSSI Interface Commands
  197
- G.703 Interface Commands
  198
- SMPTE 310M Interface Commands
  199
- ASI/LVDS Interface Commands
  200
OEM LCD Option (Requires FAST Upgrade

202
Appendix C. Fully Accessible System Topology (Fast) Options

204
FAST Accessible Options

204
- FAST System Theory
  205
- Implementation
  205
  - Activation Procedure
    206
Glossary

210
Index

214

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Comtech EF Data SDM-2020 Manuals

Comtech EF Data SDM-2020 Installation And Operation Manual (215 pages)

Table of Contents

Chapter 1. Introduction

Overview

Assemblies

Specifications

BER Performance

SDM-2020 Demodulator Envelope

Chapter 2. Installation

Unpacking

Installation

External Connections

Proper Operations for Emissions (CE)

Chapter 3. Operation

Introduction

Front Panel

Menu System

Initial Defaults

Fault Tree

Revision Emulation Operation FW/6224-1

Revision Emulation Operation FW/7734-1

Appendix A. Data Interfaces

Description

Parallel/Serial Interface

Low Voltage Differential Signal (LVDS) Interface

ASI/RS-422 (Asynchronous Serial Interface and Serial Data Interface

ECL/HSSI Interface

G.703 Data Interface

SMPTE 310M/SSI Data Interface

ASI/LVDS Data Interface

Appendix B. Remote Control Operation

General

Message Structure

Configuration Commands/Responses

Interface Status Commands/Responses

System Configuration Commands/Responses

Cinfiguration Status

Error Performance Status

Stored Faults

Data Interfaces

OEM LCD Option (Requires FAST Upgrade

Appendix C. Fully Accessible System Topology (Fast) Options

FAST Accessible Options

Glossary

Index

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