Comtech EF Data SNM-1001L Manuals

Manuals and User Guides for Comtech EF Data SNM-1001L. We have 1 Comtech EF Data SNM-1001L manual available for free PDF download: Installation And Operation Manual

Comtech EF Data SNM-1001L Installation And Operation Manual (344 pages)

Brand: Comtech EF Data | Category: Modem | Size: 6.79 MB

Table of Contents

7
- Ac Power Connector
  4
  - Installation and Operation Manual
    5
- Customer Support
  6
  - Table of Contents
    7
- About this Manual
  18
  - Related Documents
    18
- Electrical Safety
  20
- Telecommunications Terminal Equipment Directive
  21
- EMC (Electromagnetic Compatibility)
  22
- Warranty Policy
  23
  - Limitations of Warranty
    23
- Chapter 1. Introduction
  
  25
  - Overview
    25
  - Options Summary
    26
  - Figure 1-1. Block Diagram
    26
  - Comtech EF Data Part Numbers
    27
  - FAST Accessible Options
    28
  - Table 1-1. Fast Options and Required Configurations
    28
  - Compatibility
    29
  - Description of the Modulator
    29
  - Overview
    29
  - Functional Description
    29
  - Description of Modulation Types
    30
    
    Bpsk Encoding
    31
    
    Psk Encoding
    32
  - Description of the Demodulator
    33
  - Overview
    33
  - Figure 1-2. Demodulator Block Diagram
    33
  - Functional Description
    34
  - Description of Monitor & Control
    35
  - Overview
    35
  - Functional Description
    36
  - Figure 1-3. M&C Block Diagram
    36
  - Dimensional Envelope
    38
  - Figure 1-4. Dimensional Envelope Drawing
    38
  - New in this Release
    39
- Chapter 2. Installation/ Upgrades
  
  41
- Chapter 3. Connector Pinouts
  
  53
- Chapter 4. Front Panel Operation
  
  65
  - Front Panel
    65
  - Figure 4-1. Front Panel View
    65
  - Status • Alarms the Indicators Are Defined in Table 4-1 as Follows
    66
  - Table 4-1. Led Indicators
    66
  - Front Panel Keypad
    67
  - Figure 4-2. Keypad
    67
  - Menu System
    68
  - Revision Emulation
    69
    
    Front Panel Operation
    70
  - Menu Tree
    70
  - Figure 4-3. Menu Tree
    70
  - Opening Screen
    71
  - Function Select: Configuration
    71
  - Tx-If Frequency
    74
  - Tx Terminal Frequency
    74
  - Tx-If Output
    75
  - Diff. Encoder
    76
  - Carrier Mode
    77
  - Modem Reference
    77
  - Fsk Output
    78
  - Odu Power Supply
    78
  - Odu Output Delay
    79
  - Odu 10 Mhz Ref
    79
  - Rs Encoder
    80
  - Rx Terminal Frequency
    83
  - Diff. Decoder
    84
  - Rf Loop Back
    84
  - Figure 4-4. Rf Loopback
    85
  - If Loop Back
    85
  - Figure 4-5. if Loopback
    86
    
    Ber Threshold
    86
  - Sweep Center
    87
  - Sweep Range
    87
  - Lnb Power
    88
  - Lnb Voltage
    88
  - Lnb 10 Mhz Ref
    89
  - Rs Decoder
    89
  - Tx Clock Source
    90
  - Tx Clock Phase
    91
  - Buffer Clock
    92
  - Rx Clock Phase
    92
  - Figure 4-6. Baseband Loopback
    93
  - Figure 4-7. Interface Loopback
    94
  - Intrfc Loop Back
    94
  - Buffer Size
    95
  - Buffer Center
    95
  - Loop Timing
    96
  - Tx Data Fault
    96
  - Nominal Power
    98
  - Minimum Power
    98
  - Maximum Power
    99
  - Tracking Rate
    100
  - Local Cl Action
    100
  - Remote Cl Action
    101
  - Function Select: Configuration: Save
    101
  - Function Select: Configuration: Recall
    102
  - Function Select: Monitor
    102
  - Function Select: Monitor: Corrected Ber
    103
  - Function Select: Monitor: Receive Signal
    103
  - Function Select: Monitor: Sweep Frequency
    104
  - Function Select: Monitor: Lnb Current
    105
  - Function Select: Monitor: Lnb Voltage
    105
  - Function Select: Monitor: Odu Current
    106
  - Function Select: Monitor: Odu Voltage
    106
  - Function Select: Faults/Alarms
    109
  - Function Select: Faults/Alarms: Modulator
    110
  - Function Select: Faults/Alarms: Demodulator
    110
  - Function Select: Faults/Alarms: Tx Interface
    111
  - Function Select: Faults/Alarms: Rx Interface
    111
  - Function Select: Faults/Alarms: Outdoor Unit
    112
  - Function Select: Stored Flts/Alms
    113
  - Function Select: Remote Aupc (Conditional)
    118
  - Tx 2047 Pattern
    120
  - Function Select Utility
    121
  - Function Select: Utility: Modulator
    122
  - Mod Power Offset
    126
  - Function Select: Utility: Modulator: Modulator Type
    126
  - Function Select: Utility: Modulator: Encoder Type
    126
  - Tx Bpsk Ordering
    127
  - Function Select: Utility: Modulator: Mod Spectrum
    127
  - Tx-Rs N/K Deep
    128
  - Function Select: Utility: Modulator: Tx Mode
    128
  - Rf Mode Control
    129
  - Function Select: Utility: Modulator: Tx Symbol Rate
    130
  - Function Select: Utility: Demodulator
    130
  - Function Select:utility: Demodulator: Rx Terminal lo
    133
  - Demodulator Type
    134
  - Descrambler Type
    135
  - Function Select: Utility: Demodulator: Rx Mode
    135
  - Max Packet Size
    136
  - Rx-Rs N/K Deep
    136
  - Rx Symbol Rate
    138
    
    Function Select: Utility: Interface
    138
  - Tx Overhead Type
    138
  - Rx Overhead Type
    138
  - Function Select: Utility: Interface: Buffer Program
    139
  - Rts Tx-If Cntrl
    139
  - Function Select: Utility: Interface: Tx Data Phase
    139
  - Function Select: Utility: Interface: Rx Data Phase
    140
  - Function Select: Utility: Interface: Cts Delay
    140
  - Function Select: Utility: Outdoor Unit: Odu Fsk Address (Conditional)
    141
    
    Odu Fsk Address
    141
  - Odu Output Power
    141
  - Odu Pwr Leveling
    142
  - Function Select: Utility: System: Remote Baud Rate
    143
  - Function Select: Utility: System: Remote Address
    143
  - Function Select: Utility: System: Remote Type
    143
  - Function Select: Utility: System: Operation Mode
    144
  - Function Select: Utility: System: Year Display
    144
  - Function Select: Utility: System: Test Mode Status
    144
  - Function Select: Utility: System: Lamp Test
    145
  - Function Select: Utility: System: Self Test
    145
  - Function Select: Utility: System: Display Contrast
    145
    
    Function Select: Utility: System: M&C Firmware
    146
  - Function Select: Utility: System: Boot Firmware
    146
  - Function Select: Utility: System: Fpga Firmware
    147
  - Function Select: Utility: System: Demo Mode
    147
  - Ext Agc: Max Pwr
    147
  - Ext Agc: Min Pwr
    148
  - Function Select: Utility: System: Master Reset
    148
  - Modem Type
    149
  - Card #2 Type
    151
  - Card #3 Type
    151
  - Card #1 Options
    152
  - Card #2 Options
    152
  - Card #3 Options
    153
  - Local Modem Aupc
    153
  - Modem Serial
    154
  - Card #1 Serial
    154
  - Card #2 Serial
    154
  - Card #3 Serial
    155
  - Function Select: Utility: Factory Set-Up
    158
  - Custom Modem Defaults
    159
  - Table 4-2. Custom Modem Defaults
    159
- Chapter 5. Modem Type
  
  163
  - Modem Type
    163
  - Table 5-1. Modem Type Selection
    163
  - AUPC Operation (with Reed-Solomon)
    164
  - Closed Network Operation (Comtech EF Data)
    164
  - Custom Operation
    165
  - Table 5-2. Comtech Efd Closed Network Parameter Settings
    165
  - Reed-Solomon Modes
    166
  - Table 5-3. Reed-Solomon Modes
    166
  - Clocking Options
    167
  - EIA-232, EIA-422, or V.35 Master/Master
    167
  - EIA-232, EIA-422, or V.35 Master/Slave
    167
- CHAPTER 6 Buffering
  
  168
  - Buffer Size
    168
  - Figure 6-1. Eia-422, Eia-232, or V.35 Master/Master Clocking Diagram
    169
  - Figure 6-2. Eia-422, Eia-232, or V.35 Master/Slave Clocking Diagram
    170
  - Figure 6-4. Doppler Shift
    172
  - Doppler
    173
  - Plesiochronous
    174
  - Frame/Multiframe Length
    175
  - Multiples of the Frame Length
    175
  - Total Buffer Length
    175
  - Converting between Bits and Seconds
    175
  - Introduction
    177
  - Coding
    178
  - Turbo Product Codec (Hardware Option)
    178
  - Introduction
    178
  - Table 7-1. Available Tpc Modes
    178
  - Mod/Demod Processing Delay
    179
  - Comparison of All TPC Modes
    179
  - Table 7-2. Turbo Product Coding Processing Delay Comparison
    179
  - Uncoded Operation (no FEC)
    180
  - Figure 7-1. Viterbi Decoder
    183
  - Figure 7-2. Viterbi Decoder and Reed-Solomon
    184
  - Figure 7-3. Bpsk and {O}Qpsk Ber Performance
    185
  - Figure 7-4. Turbo Product Codec
    186
  - Figure 7-5. Sequential Decoder, Reed-Solomon, and 1544 Kbps
    187
  - Figure 7-6. Sequential Decoder and 56 Kbps
    188
  - Figure 7-7. Sequential Decoder and 1544 Kbps
    189
- Chapter 8. System Checkout
  
  191
  - System Checkout
    191
  - 8.1.1 Interface Checkout
    192
  - Figure 8-1. Fault Isolation Test Setup
    192
  - Modulator Checkout
    193
  - Table 8-1. Conversion to S/N and Eb/N0 Chart
    194
  - Demodulator Checkout
    195
  - Figure 8-2. Typical Output Spectrum
    195
  - Figure 8-3. Typical Eye Constellations
    196
- Chapter 9. Fault Isolation
  
  197
  - Fault Isolation
    197
  - System Faults/Alarms
    198
  - Faults/Alarms Display
    198
  - Faults/Alarms Analysis
    198
    
    Modulator Faults
    201
  - Demodulator Faults
    202
  - Common Equipment Faults
    203
- Chapter 10. Automatic Uplink Power Control
  
  205
  - Aupc
    205
  - Figure 10-1. Aupc Block Diagram
    206
  - Modes of AUPC Location
    207
  - Table 10-1. Setting Aupc Parameters
    207
  - AUPC - between Two Modems
    208
  - Self-Monitoring Local Modem AUPC Control
    209
  - Remote Aupc
    209
  - MUX Operation
    210
  - DEMUX Operation
    210
  - Buffer Operation
    210
  - Loop Timing Operation
    211
  - Baseband Loopback Operation
    211
  - Front Panel Operation
    211
  - Aupc Modem Defaults
    212
- Chapter 11. Asymmetrical Loop Timing
  
  213
- Chapter 12. Fully Accesible System Topology (Fast)
  
  217
  - FAST System Theory
    217
  - Implementation
    217
  - Activation Procedure
    218
  - Variable Data Rates
    221
- Chapter 13. Buc Fsk Communications
  
  223
  - Introduction
    223
  - Transmission Interface
    224
  - Message Structure
    224
  - Command Message Structure (IDU to ODU)
    224
  - Response Message Structure (BUC to IDU)
    225
  - Power Class
    225
- Chapter 14. Decoder
  
  227
  - Decoder
    227
  - Sequential Decoder
    227
  - Figure 14-1. Sequential Decoder Block Diagram
    227
  - Viterbi Decoder
    229
  - Figure 14-2. Viterbi Decoder Block Diagram
    229
- Chapter 15. Reed-Solomon Codec
  
  233
  - Reed-Solomon Codec
    233
  - Figure 15-1. Reed-Solomon Pcb (As/5304-1)
    233
  - Specifications
    234
  - Theory of Operation
    234
  - Figure 15-2.Reed-Solomon Codec Block Diagram
    234
  - Reed-Solomon Encoder
    235
  - Figure 15-3. Reed-Solomon Encoder Section Block Diagram
    235
  - Figure 15-4. Reed-Solomon Code Page Format
    236
  - Reed-Solomon Decoder
    237
  - Figure 15-5. Reed-Solomon Decoder Section Block Diagram
    237
- Appendix Aspecification
  
  239
  - Specifications
    239
  - Specification Summary
    240
  - Table A-1. System Specification Summary
    240
  - L-Band Modulator Specification Summary
    241
  - Table A-2. L-Band Modulator
    241
  - Demodulator Specification Summary
    242
  - Table A-3. Demodulator Specification
    242
  - L-Band Modulator Specifications
    243
  - Digital Data Rate
    243
  - Table A-4. Modulator Digital Data Rates
    243
  - Modulation and Encoding Types
    244
  - Table A-5. Modulation and Encoding Types
    244
  - Scrambling Types
    245
  - Modulator Frequency Reference
    245
  - Table A-6. Scrambling Types
    245
  - Modulator Spurious Emissions
    246
  - Modulator Phase Noise
    246
  - Modulator if Output Spectrum Shape
    246
  - L-Band INMARSAT Spurious Emissions
    246
  - Differential Encoder
    247
  - BPSK Bit Ordering
    247
  - Interleaver (Reed-Solomon Codec
    247
  - Modulator Transmit Frequency (if
    247
  - Transmit Frequency Change Time
    247
  - Modulator Transmit if Output Switch
    247
  - Modulator Transmit if Power
    247
  - Modulator Power Offset
    248
  - Modulator I / Q Imbalance
    248
  - Modulator Output Noise Floor
    248
  - Modulator Spectrum Rotation
    248
  - Modulator Output Return Loss
    248
  - L-Band ODU Reference Signal
    248
  - L-Band ODU Control and Monitor
    248
  - Modulator Transmit if Test Modes
    248
  - L-Band ODU Supply Voltage
    249
  - ODU DC Current Sense
    249
  - Encoding
    249
  - BPSK Encoding
    249
  - OQPSK Encoding
    250
  - 8-PSK Encoding
    250
  - L-Band Demodulator Specifications
    251
  - Digital Data Rate
    251
  - Table A-7. Demodulator Digital Data Rate
    251
  - Demodulation and FEC Decoding Types
    252
  - Table A-8. L-Band Demodulation and Fec Decoding Types
    252
  - Descrambling Types
    253
  - Differential Decoder
    253
  - BPSK Bit Ordering
    253
  - Deinterleaver (Reed-Solomon Codec
    253
  - Demodulator Spectrum Rotation
    253
  - Table A-9. Descrambling Types
    253
  - Receive Frequency
    254
  - Input Overload
    254
  - Demodulator Input Return Loss
    254
  - LNB Prime Power
    254
  - LNB Band Control
    254
  - LNB Reference Signal
    254
  - Receive Input Power (Composite
    255
  - Demodulator Input Shape
    255
  - Receive Input Power (Desired Carrier
    256
  - Demodulator Channel Spacing/Adjacent Carrier Performance
    256
  - Figure A-1. Carrier Level Vs Symbol Rate
    256
  - Bit Error Rate Performance
    257
  - Performance with Noise, Viterbi Decoder, and Closed Network
    257
  - Performance with Noise, Viterbi Decoder, and Reed-Solomon (Optional
    257
  - Performance with BPSK and {O}QPSK BER Performance
    257
  - Performance with Noise Turbo Product Codec (Optional
    258
  - Performance with Noise, 1544 Kbps Sequential Decoder and Reed Solomon(Optional
    258
  - Performance with Noise, 56 Kbps Sequential Decoder (Optional
    258
  - Performance with Noise, 1544 Kbps Sequential Decoder (Optional
    259
  - BER Threshold
    259
  - Acquisition Time
    260
  - Receive Carrier Acquisition Range
    261
  - Receive Carrier Reacquisition
    261
  - AGC Output
    261
  - Doppler Tracking Performance
    261
  - Interface Specifications
    262
  - TX Clock Switching Due to Failure of Selected Clock
    262
  - TX Clock Phase Adjustment
    262
  - TX Data Phase Adjustment
    262
  - Transmit Clock Source
    262
  - Send Clock Timing Source
    262
  - Doppler/Plesiochronous Buffer Clock Source
    263
  - RX Clock Switching Due to Failure of Selected Clock
    263
  - RX Clock Phase Adjustment
    263
  - RX Clock Jitter
    263
  - RX Data Phase Adjustment
    263
  - Buffer Centering
    263
  - Receive Doppler/Plesiochronous Buffer Size
    264
  - Switch Faults
    264
  - Decoding
    264
  - BPSK Decoding
    264
  - QPSK Decoding
    264
  - Offset QPSK Decoding (Optional
    265
  - 8-PSK Decoding
    265
  - Terrestrial Interface Types
    266
  - EIA-232 Specification
    266
  - V.35 Specification V.10, V.11 Specification, Circuit Supported
    267
  - EIA-449/EIA-422 Mil-188-114A Specification
    268
  - AUPC Specification (Optional
    269
  - AUPC Parameters
    270
  - AUPC with Reed-Solomon Option
    270
  - Turbo AUPC
    270
  - Table A-10. Aupc Parameters
    270
  - System Specifications
    271
  - Loopback Modes
    271
  - Test Modes
    271
  - Remote Control
    272
  - Modem Remote Address
    272
  - Monitored Signals
    272
  - Stored Faults
    273
  - Stored Configurations
    273
  - Interoperability Modes
    273
- Appendix B. Remote Control Operation
  
  275
  - General
    275
  - Message Structure
    276
  - Start Character
    276
  - Device Address
    276
  - Command/Response
    277
  - End Character
    278
  - Configuration Commands/Responses
    279
  - Modulator Configuration Commands
    279
  - B.3.2 Demodulator Configuration Commands
    281
  - B.3.3 Interface Configuration Commands
    283
  - B.3.4 System Configuration Commands
    285
  - Automatic Uplink Power Control (AUPC
    286
  - B.4 Status Commands/Responses
    288
  - B.4.1 Modulator Configuration Status
    288
  - ODU Configuration Status
    293
  - Fault Status
    294
  - B.4.2 Error Performance
    295
  - Stored Faults
    298
- Appendix C. Burst Mode Modulator Operation
  
  315
  - Burst Mode Modulator: Theory of Operation
    315
  - Burst Mode
    315
  - Burst Mode Modulator: Specifications
    316
  - Digital Data Rate
    316
  - Modulation and Encoding Types
    316
  - Scrambling Types
    317
  - Differential Encoder
    317
  - Transmit Frequency (if
    317
  - Frequency Reference
    317
  - Transmit Frequency Change Time
    317
  - Phase Noise
    318
  - Transmit if Output Switch
    318
  - Transmit if Power
    318
  - Modulator Power Offset
    318
  - Modulated if Output Shape
    318
  - Spurious Emissions
    319
  - Modulator Phase Error
    319
  - Transmit if Test Modes
    319
  - Modulator Spectrum Rotation
    319
  - Transmit Preamble
    320
  - Transmit Packet
    320
  - Transmit Postamble
    320
  - Burst Mode Demodulator: Theory of Operation
    321
  - Burst Mode
    321
  - Burst Mode Demodulator: Specifications
    322
  - Digital Data Rate
    322
  - Demodulation and FEC Decoding Types
    322
  - Descrambling Types
    322
  - Differential Decoder
    323
  - Demodulator Spectrum Rotation
    323
  - Receive Frequency (if
    323
  - Receive Input Power (Desired Carrier
    323
  - Receive Input Power (Composite
    323
  - IF Input Overload
    323
  - Demodulator if Input Shape
    323
  - Channel Spacing/Adjacent Carrier Performance
    324
  - Acquisition Time
    324
  - Acquisition Probability
    324
  - Receive if Carrier Acquisition Range
    324
  - Collision Recovery
    325
  - Burst Mode System - Specifications
    325
  - Loopback Modes
    325
  - Remote Control
    326
  - Modem Remote Address
    326
  - Monitored Signals
    326
  - Faults Monitored
    326
  - Figure C-1. Snm-1001L Burst Mode Fault Tree
    327
  - Stored Faults
    330
  - Stored Configurations
    330
  - Burst Mode Specifications
    331
  - Glossary
    333
  - Index
    337
Demodulator Faults

338

Comtech EF Data Categories

Modem

Switch Amplifier

Network Router Media Converter

More Comtech EF Data Manuals

Comtech EF Data SNM-1001L Manuals

Comtech EF Data SNM-1001L Installation And Operation Manual (344 pages)

Table of Contents

Table of Contents

Chapter 1. Introduction

Chapter 2. Installation/ Upgrades

Chapter 3. Connector Pinouts

Chapter 4. Front Panel Operation

Chapter 5. Modem Type

CHAPTER 6 Buffering

Chapter 8. System Checkout

Chapter 9. Fault Isolation

Chapter 10. Automatic Uplink Power Control

Chapter 11. Asymmetrical Loop Timing

Chapter 12. Fully Accesible System Topology (Fast)

Chapter 13. Buc Fsk Communications

Chapter 14. Decoder

Chapter 15. Reed-Solomon Codec

Appendix Aspecification

Appendix B. Remote Control Operation

Appendix C. Burst Mode Modulator Operation

Demodulator Faults

Related Products

Comtech EF Data Categories