Comtech EF Data SDM-309B Manuals

Manuals and User Guides for Comtech EF Data SDM-309B. We have 1 Comtech EF Data SDM-309B manual available for free PDF download: Installation And Operation Manual

Comtech EF Data SDM-309B Installation And Operation Manual (240 pages)

Satellite Modem

Brand: Comtech EF Data | Category: Modem | Size: 0.68 MB

Limitations of Warranty
3
About this Manual
4
Customer Support
6
Table of Contents
8
Chapter 1. Introduction

14
Scope

14
Purpose and Function

14
Description

14
System Specification

20
Chapter 2. Installation

26
Unpacking

26
External Connections

26
- Data I/O
  29
- Remote (J6)
  29
  - Connector Pinout (J6)
    29
- Fault (J7)
  29
  - Connector Pinout (J7)
    29
- IF Output (CP1)
  30
- IF Input (CP2)
  30
- AC Power
  30
- Gnd
  30
System Requirements

30
System Installation

31
Chapter 3. Operation

32
SDM 309/M1200P Front Panel

32
- General
  32
- LED Indicators
  32
- Front Panel Controls
  33
- Configuration
  35
  - MOD Configuration
    35
  - DEMOD Configuration
    36
  - Interface Configuration
    39
- Monitor
  41
- Faults
  41
- Stored Faults
  43
- Utility
  43
Drop and Insert Front Panel Operation

57
- General
  57
- Configuration
  57
  - MOD Configuration
    58
  - DEMOD Configuration
    59
  - Interface Configuration
    61
- Monitor
  65
- Faults
  66
- Stored Faults
  67
- Utility
  68
Chapter 4. M&C and Interfaces

78
Monitor and Control

78
- General
  78
- Description of Options
  78
  - Remote Interface
    78
  - Remote Baud Rate
    81
  - Remote Address
    81
  - Battery
    81
  - Modulator/Coder Defaults
    82
  - Demodulator/Decoder Defaults
    82
  - Interface Configuration Defaults
    82
  - Utility Defaults
    83
- Remote Interface Specification
  83
- Monitor and Control Theory of Operation
  83
Digital Interfaces

83
- IBS/M1200P Interface
  84
  - Functional Description
    84
  - Data Interface
    84
  - Transmit Multiplexer
    84
  - Receive Multiplexer
    90
  - Plesiochronous Buffer
    90
  - Engineering Service Channel (ESC)
    91
  - IBS Interface Connector Pinouts
    91
  - IBS Interface Specification
    92
  - IBS Interface Breakout Panel
    94
    
    IBS Terrestrial Interface (J1)
    96
    
    RS422 Interface (J2)
    96
    
    Interface (J3)
    97
    
    Engineering Service Channel
    97
    
    V.35 Interface (J)
    97
    
    Interface (J5)
    98
    
    External Reference Clock (J6)
    98
    
    G.703 Interface (J)
    98
    
    Send Data (J7)
    98
    
    Receive Data (J8)
    99
    
    Alarm Outputs (TB1)
    99
- Drop & Insert Interface
  101
  - Functional Description
    101
  - Data Interface
    102
  - Transmit Multiplexer
    102
  - Receive Demultiplexer
    102
  - Plesiochronous Buffer
    103
  - Engineering Service Channel (ESC)
    103
  - Backward Alarm
    103
  - Drop & Insert Interface Connector Pinouts
    109
  - Drop & Insert Interface Specification
    109
  - Drop & Insert Breakout Panel
    111
    
    Drop Data Input, Insert Data Output, and Ext. Ref Clk (J1)
    113
    
    Drop Data Output (J2)
    113
    
    Insert Data Input (J3)
    113
    
    Insert Data Output (J4)
    114
    
    Drop Data Input (J5)
    114
    
    Drop Data Output (J6)
    114
    
    Insert Data Input (J7)
    114
    
    Insert Data Output (J8)
    114
    
    External Reference Clock (J9)
    114
    
    ESC Channel (J10)
    115
    
    Faults (J11)
    115
    
    Data Interface (J12)
    115
  - Rear Panel Switches
    116
    
    Drop Data Input
    116
    
    Drop Data Output
    116
    
    Insert Data Input
    116
    
    Insert Data Output
    117
    
    External Reference Clock
    117
    
    Drop Output/Insert Input (SW4)
    117
    
    Drop Data Output DCE/DTE Select (SW5)
    117
- External Channel Unit Interface
  122
Interface Clocking Options

122
- Master/Slave
  122
  - Master/Slave RS422 or V.35
    122
    
    Master/Slave G.703
    123
    
    Master/Slave X.21
    123
- Master/Master
  123
  - Master/Master (Customer Clock)
    124
  - Master/Master (Station Clock)
    124
Chapter 5. Theory of Operation

125
Modulator

125
- General Description
  125
- Specifications
  125
- Theory of Operation
  130
Viterbi Decoder / Demodulator Processor

131
- General Description
  131
- Viterbi Decoder/Demod Processor Specification
  131
  - Demod Processor Specification
    131
  - Viterbi Decoder Specifications
    132
- Theory of Operation
  138
  - Demod Processor
    138
  - Viterbi Decoder
    138
Demodulator

139
- General Description
  139
- Specifications
  140
- Theory of Operation
  143
Reacquisition, Fast Acquisition and Directed Sweep

143
- General
  143
- Reacquisition
  144
- Fast Acquisition
  145
- Directed Sweep
  145
Chapter 6. Maintenance

146
System Checkout

146
- General
  146
- Modulator Checkout
  146
- Demodulator Checkout
  146
- Test Points
  153
- Modulator (Figure 6-5)
  153
- Demodulator (Figure 6-6)
  154
- Viterbi Decoder/Demod Card AS/0701 (Figure 6-7)
  155
- Viterbi Decoder/Demod Card AS/0949 (Figure 6-8)
  156
- Viterbi Decoder/Demod Card AS/2133 (Figure 6-9)
  157
Fault Isolation

158
- Modulator Faults
  158
- Demodulator Faults
  159
- Common Equipment Faults
  160
Interface Fault Isolation

160
- Transmit Overhead Framing Unit Faults
  161
- Receive Overhead Framing Unit Faults
  161
Repacking for Shipment

167
Module Replacement

167
Module Identification

167
Appendix A. Data Rates and Filters

169
Appendix B. Satellite Modem Remote Control

178
- Message Structure
  178
- System Configuration Commands
  191
Appendix C. External Channel Unit

208
- Connector Pinouts
  223
- Front Panel Operation
  229
Appendix D. Software Change Specifications

239

Comtech EF Data Categories

Modem

Switch Amplifier

Network Router Media Converter

More Comtech EF Data Manuals

Comtech EF Data SDM-309B Manuals

Comtech EF Data SDM-309B Installation And Operation Manual (240 pages)

Table of Contents

Chapter 1. Introduction

Scope

Purpose and Function

Description

System Specification

Chapter 2. Installation

Unpacking

External Connections

System Requirements

System Installation

Chapter 3. Operation

SDM 309/M1200P Front Panel

Drop and Insert Front Panel Operation

Chapter 4. M&C and Interfaces

Monitor and Control

Digital Interfaces

Interface Clocking Options

Chapter 5. Theory of Operation

Modulator

Viterbi Decoder / Demodulator Processor

Demodulator

Reacquisition, Fast Acquisition and Directed Sweep

Chapter 6. Maintenance

System Checkout

Fault Isolation

Interface Fault Isolation

Repacking for Shipment

Module Replacement

Module Identification

Appendix A. Data Rates and Filters

Appendix B. Satellite Modem Remote Control

Appendix C. External Channel Unit

Appendix D. Software Change Specifications

Related Products

Comtech EF Data Categories