Symmetricom TM7000 Manuals

Manuals and User Guides for Symmetricom TM7000. We have 1 Symmetricom TM7000 manual available for free PDF download: User Manual

Symmetricom TM7000 User Manual

Symmetricom TM7000 User Manual (174 pages)

TymMachine Time Code Generator/Translator

Brand: Symmetricom | Category: Electronic dictionary | Size: 2 MB

Table of Contents

Table of Contents
2
Chapter One General Description
8
1 Introduction

8
2 Introduction

22
- Installation Procedure
  22
- Pre-Installation Changes (if Desired)
  22
  - 2.2.1 Power Supply
    22
    
    Rear Panel Bnc J5 Configuration
    22
    
    Rear Panel Bnc J4 and J12 Configuration
    24
    
    Rear Panel J9 9 Pin D Connector Configuration
    24
- Rack Mounting Procedure
  24
  - Tmra
    25
  - Elevated Operating Ambient Temperature
    25
  - 2.3.3 Reduced Air Flow
    25
  - Mechanical Loading
    25
  - Circuit Overloading
    25
  - Reliable Earthing
    25
- Connections
  26
- Option Card Installation Procedure
  27
  - Chapter Three Operation
    28
3 Introduction

28
- Controls and Indicators
  28
- Controls
  28
  - Power Switch
    28
  - Next Switch
    29
  - Prev Switch
    29
  - Select Switchs
    29
  - Internal Jumpers (Located on Ass'y 100007)
    29
    
    J21 Rs-232 Talker Output Select
    29
    
    J20 Multi-Encoder Output Select
    30
    
    J22 Rear Panel Bnc J5 Configuration
    30
- Indicators
  30
  - Lcd Display
    30
  - Led Display
    30
- Operating Procedures
  31
- Power On/Off
  31
- Initial Menu Selections
  32
- Generator Operation
  34
  - Generator Operate Menu
    34
  - Advance/Retard Operation
    35
  - Sync Gen Operation
    36
  - Sync & Verify Operation
    37
  - 1Pps Tracking Operation
    37
  - Generator Set-Up
    38
  - Generator Set-Up Inputs
    39
  - Inputting Time
    39
  - Inputting Propagation Delay
    40
  - 3.7.10 Setting Control Functions
    40
  - External Start Procedure and Set-Up
    41
  - Setting Generator Outputs
    42
  - Selecting ID (or Days)
    43
  - Selecting Ls (Leap Seconds)
    43
  - Selecting Generator Speed-Up (Multi-Code Encoder)
    43
  - Selecting Generator Re/Gen (Multi-Code Encoder)
    44
  - 3.7.17 Rs-232 I/O Operation/Configuration
    45
    
    Word Length
    46
- Translator Operation
  47
- External Frequency Input Operation
  53
- 10Mhz Sine Wave Output
  53
- Input/Output(I/O)
  54
  - Introduction
    54
    
    Ascii Format
    55
    
    Packed Bcd Format
    55
  - Programming
    55
  - To Enter Setup and Control Data
    55
  - To Request Output of Time and Status Messages
    56
  - Programming the Generator
    57
    
    Select/Display Data Mode
    57
    
    Set Propagation Delay Compensation
    57
    
    Set Time Code Generator Time
    57
    
    Slow Code Frame Period Selection
    57
    
    Select Multicode Output(S)
    58
  - Programming the Translator
    58
    
    Tape Playback Speed Ratio
    58
    
    Translator Function Controls
    59
  - Programming the Tape Search Control Option
    59
    
    Early Closure Delay Selection
    60
    
    Select Programmed Tape Search Interval
    60
    
    Select Tape Transport Delay
    60
    
    Tape Search Time Values
    60
    
    Automatic Tape Search Mode Control
    61
    
    Manual Search Tape Motion Control
    61
    
    Tape Speed Selection
    61
    
    Transport Control Parameters
    62
  - Programming Time Output Requests
    62
    
    Time Output Request
    62
  - Programming Status Output Requests
    62
    
    Generator Time Values
    63
    
    Propagation Delay Compensation
    63
    
    Request Multicode Status
    63
    
    Translator Time Values
    63
    
    Translator Control Settings
    64
    
    Tape Transport Controls
    65
    
    Tape Search Status
    66
  - Time Word Output Formats (Rs-232 I/O)
    67
- Time Word Output (Talker)
  69
  - Introduction
    69
  - General Description
    69
  - Terminal Type
    69
  - Dce Handshaking
    69
  - Modes of Operation
    70
    
    Synchronous Mode
    70
    
    B. Asynchronous Mode
    71
  - Message Format
    72
    
    Ascii/Bcd Format
    72
    
    Data Format
    72
    
    Parity
    72
    
    Postamble
    72
    
    Stop Bit
    72
    
    B. Baud Rate
    73
    
    F. Preamble
    74
    
    H. Quality Indicator
    75
    
    Loss and Error Data
    76
  - Operation
    76
  - Time Word Output Formats
    76
4 Logic Description and Use

84
- General
  84
- Detailed Logic Description
  88
- 5] Stcg (I/O and Dac)
  90
- 4] Stcg (Prop Delay)
  90
- 6] Stcg (Generator Code)
  90
- 2] Stcg
  91
- 3] Stcg
  92
- Translator Agc)
  94
- 8] STCG (TRANSLATOR Μp)
  95
- 9] Translator Filts)
  97
- 10] Rs-232 Talker
  97
- 12] Rs-232 I/O
  97
- 13] Multi-Encoder
  98
- 14] Multi-Encoder (Pll)
  98
- Distribution Board (100008)
  98
- Display Assembly (100009)
  98
Chapter Four Theory of Operation

84
5 Introduction

100
- Tools and Test Equipment Required
  100
- Preventative Maintenance
  101
- Troubleshooting
  102
  - 5.3.1 Power-Up Self Test
    102
  - GENERATOR (Part of STCG)
    103
  - TRANSLATOR (Part of STCG)
    103
  - 5.3.4 System Troubles
    104
  - 5.3.5 Manual System Reset
    106
- Replacing an Option Module
  106
- Adjustments and Test
  107
  - Oscillator Adjustment
    108
    
    Optional Oven Oscillator Adjustment
    108
    
    Standard Tcxo Oscillator Adjustment
    108
  - Frequency Output Amplitude Adjustment
    109
  - Code Output Adjustment
    109
  - Lcd Contrast Adjustment
    109
  - Los Threshold Adjustment
    110
  - Multi-Encoder Code Output Adjustments
    110
  - Pll (Carrier Filter) Adjustments
    111
  - 5.5.7 Pll (Carrier Filter) Tests
    112
Chapter Five

100
Appendix Aoption Descriptions

114
- TM Opt
  127
  - Serial Encoder
    141
- TM Opt
  143
  - Multi-Code Serial Encoder
    143
  - Read DC Code
    147
- TM Opt
  147
  - Slow Code
    148
- TM Opt
  157
  - Video Time Inserter
    157
  - Distribution Module, 600Ω Driver
    164
- TM Opt
  164
  - Distribution Module, 50Ω Driver
    166
- TM Opt
  166
  - Buffer/Pulse Rate Module
    169

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