Comtech EF Data CDM-500 Satellite Modem Manuals

Manuals and User Guides for Comtech EF Data CDM-500 Satellite Modem. We have 1 Comtech EF Data CDM-500 Satellite Modem manual available for free PDF download: Installation And Operation Manual

Comtech EF Data CDM-500 Installation And Operation Manual (88 pages)

Satellite Modem

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

Installation and Operation Manual
2
Customer Support

4
- Table of Contents
  6
About this Manual

12
- Conventions and References
  12
  - Cautions and Warnings
    12
  - Metric Conversion
    12
- Reporting Comments or Suggestions Concerning this Manual
  12
Safety Notices

13
- Electrical Safety
  13
- Fuses
  13
Environmental

13
Installation

14
Telecommunications Terminal Equipment Directive

14
EMC (Electromagnetic Compatibility)

14
Warranty Policy

15
- Limitations of Warranty
  15
- Exclusive Remedies
  15
Chapter 1. Introduction

16
Introduction

16
Chapter 2. Installation

18
Unpacking

18
Mounting

18
Configuration

19
Select Internal if Loop

19
Connect External Cables

19
Chapter 3. Function

20
Functional Description

20
Chapter 4. Physical Description

22
Front Panel

22
- Figure 4-1 Front and Back Panels
  23
- Table 4-1- Front Panel Led Indicators
  23
Rear Panel

24
Chapter 5. Connector Pinouts

26
Connector Pinouts

26
- Table 5-1 25 Pin 'D' Type Female
  26
Alarms Connector - 15 Pin 'D' Type Male

27
- Table 5-2 Alarms Connector
  27
Remote Control Connector - 9 Pin 'D' Type Male

28
Auxiliary Serial Connector - He1402 3 Pin Header

28
- Table 5-3 Remote Control Connector
  28
- Table 5-4 Auxiliary Serial Connector
  28
Chapter 6. Front Panel Operation

30
Description

30
Menu Trees

32
- Figure 6-1 Principle Menu Tree
  32
Opening Screen

33
Select

33
Config

34
Test

45
INFO (Information)

46
MONIT (Monitor)

49
STORE/LD (Store/Load)

52
- Store/Ld) Store
  52
- Sto/Ld) Load
  52
UTIL (Utility)

54
Chapter 7. Clocking

56
Transmit Clocking

56
- Internal Clock
  56
- External Clock
  56
- Loop-Timed
  57
Receive Clocking

57
- Buffer Disabled
  57
- Buffer Enabled, Rx=Tx
  57
X.21 Notes

57
Chapter 8. Edmac Channel

58
Theory of Operation

58
M&C Connection

59
Setup Summary

60
Appendix A. Summary of Specifications

62
Modulator

62
- A.1 Modulator
  62
Demodulator

63
- A.2 Demodulator
  63
Data Interfaces

64
Miscellaneous

64
Approvals

64
- A.3 Data Interfaces
  64
- A.4 Miscellaneous
  64
- A.5 Approvals
  64
- Figure A-1 Ber Viterbi Decoding
  65
Appendix B. Remote Control

66
Introduction

66
Eia-485

66
- B.1 Introduction
  66
- B.2 Eia-485
  66
Eia-232

67
Basic Protocol

67
- B.3 Eia-232
  67
- B.4 Basic Protocol
  67
Packet Structure

68
- Start of Packet
  68
- Address
  68
  - B.5 Packet Structure
    68
  - B.5.1 Start of Packet
    68
  - B.5.2 Address
    68
- Instruction Code
  69
- B.5.3 Instruction Code
  69
- Instruction Code Qualifier
  69
- Message Arguments
  70
- End of Packet
  70
  - B.5.5 Message Arguments
    70
  - B.5.6 End of Packet
    70
  - Metric Conversions
    86

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Comtech EF Data CDM-500 Satellite Modem Manuals

Comtech EF Data CDM-500 Installation And Operation Manual (88 pages)

Table of Contents

Customer Support

About this Manual

Safety Notices

Environmental

Installation

Telecommunications Terminal Equipment Directive

EMC (Electromagnetic Compatibility)

Warranty Policy

Chapter 1. Introduction

Introduction

Chapter 2. Installation

Unpacking

Mounting

Configuration

Select Internal if Loop

Connect External Cables

Chapter 3. Function

Functional Description

Chapter 4. Physical Description

Front Panel

Rear Panel

Chapter 5. Connector Pinouts

Connector Pinouts

Alarms Connector - 15 Pin 'D' Type Male

Remote Control Connector - 9 Pin 'D' Type Male

Auxiliary Serial Connector - He1402 3 Pin Header

Chapter 6. Front Panel Operation

Description

Menu Trees

Opening Screen

Select

Config

Test

INFO (Information)

MONIT (Monitor)

STORE/LD (Store/Load)

UTIL (Utility)

Chapter 7. Clocking

Transmit Clocking

Receive Clocking

X.21 Notes

Chapter 8. Edmac Channel

Theory of Operation

M&C Connection

Setup Summary

Appendix A. Summary of Specifications

Modulator

Demodulator

Data Interfaces

Miscellaneous

Approvals

Appendix B. Remote Control

Introduction

Eia-485

Eia-232

Basic Protocol

Packet Structure

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