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Symmetricom ATS-6501 Tflex User Manual

Symmetricom ATS-6501 Tflex
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DOC06501_Revision F
ATS-6501 Users Guide
i
ATS-6501 Tflex
GPS Time & Frequency Standard
Users Guide
Revision F
For Software Version 3.6.X
MAR 2010

Table of Contents

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Symmetricom ATS-6501 Tflex Specifications

General IconGeneral
BrandSymmetricom
ModelATS-6501 Tflex
CategoryData Loggers
LanguageEnglish

Summary

General Information

1.1 Introduction to ATS-6501

Overview of the ATS-6501 GPS Time & Frequency Standard and its capabilities.

1.2 Ordering Information

Details available models, options, and part numbers for the ATS-6501.

Installation

2.1 Powering on the ATS-6501

Step-by-step guide for applying power and initiating the system boot-up sequence.

2.2 Communication and Network Setup

Covers LAN, DHCP, static IP, console cable, and USB ports for system access.

2.3 Antenna Installation and Configuration

Details antenna placement, voltage, grounding, mask angle, and positioning modes for optimal GPS reception.

2.4 ATS-6501 and Output Card Installation

Covers rack mounting the ATS-6501 and installing various output cards.

2.4 Antenna Delay Calibration

Explains how to calibrate antenna delay for precise time recovery and system on-time-point.

2.5 On Time Point (OTP) Configuration

Defines and configures the system's On Time Point for accurate timing signal distribution.

2.6 External Frequency Reference Setup

Guide on connecting and configuring an external frequency reference for the ATS-6501.

2.7 Configuration File Management

Covers saving, loading, and deleting user configuration files for system settings.

Operations

3.1 Front Panel Indicators

Explains the function of front panel indicators for system status and alarms.

3.2 Rear Panel Interface

Describes the hardware interfaces and connectors located on the rear panel of the unit.

3.3 Software Management

Covers checking software version, updating, and declassifying the system.

3.4 User Interfaces and Communication

Details access methods like Telnet, Command Port, Status Port, FTP, and NTP.

3.5 Status Command Reference

Provides overall system status, health, and measurement results via the command port.

3.6 Data Logging Configuration

Explains how to configure and manage FTP and Real-Time data logging.

3.7 WAAS Satellite Tracking

Describes the ATS-6501's capability to track WAAS satellites for improved GPS accuracy.

3.8 System Verification

Guides users on how to verify the system's correct operation after setup.

Maintenance

5.1 Internal Inspection

Procedures for inspecting internal components for dust and ensuring cleanliness.

5.2 Antenna and Cable Inspection

Steps to inspect the antenna and cable for environmental damage or defects.

5.3 Fan Filter Cleaning

Instructions for cleaning the fan filter to maintain proper cooling.

Troubleshooting

6.1 Front Panel Indications

Explains how to interpret front panel indicators for system status.

6.2 Alarm and Indicator Troubleshooting

Addresses alarm conditions, power supply issues, and output status problems.

6.2.3 GPS Performance Issues

Covers troubleshooting poor GPS signal reception and tracking failures.

6.2.4 Internal Clocks and External Reference

Troubleshoots issues related to internal clocks and external frequency references.

6.2.6 NTP Server and PTD Value Issues

Addresses NTP server status and noisy PTD values for troubleshooting.

6.2.8 Over Temperature, Fans, and PPS Outputs

Covers troubleshooting over-temperature, fan issues, and PPS output problems.

6.2.10 IRIG and 6.2.11 NASA36 Outputs

Details troubleshooting for IRIG and NASA36 output configurations.

Communication Problems

6.3.1 LAN Connectivity

Addresses issues with LAN connections, DHCP, and static IP configuration.

6.3.2 Console Port Issues

Details problems related to USB-to-serial adapters and baud rate settings.

6.3.3 External Reference Communication

Covers issues with connecting to external references.

Appendix A System Specifications

Appendix B Status Command Fields

Appendix C Status Port (1900) Example

Appendix D Detailed Command Information

D.1 Altitude Command

Sets the antenna altitude in meters or feet.

D.2 Antenna Delay Command

Sets the antenna delay value for calibration and on-time-point.

D.3 Antenna Voltage Command

Sets the DC Bias voltage level on the antenna connector.

D.4 Clear Alarms Command

Clears latched alarm events from the alarm list and front panel.

D.5 Config Command

Displays current system configuration settings for information only.

D.6 Datum Command

Sets the current datum to be used by the system (WGS84/NAD83).

D.7 Delete Command

Deletes user-specified system configuration files.

D.8 Delete_logs Command

Deletes user-specified GPS logging configuration files.

D.9 Diag Command

Sets diagnostic message types for system monitoring.

D.10 Diag_port Command

Switches telnet session to the Diagnostic Port (1800).

D.11 Fix Position Command

Sets the ATS-6501 position using current GPS coordinates or manual entry.

D.12 Front Panel Button Command

Controls the IP Reset feature on the front panel display button.

D.13 Help Command

Displays command lists or details for specified commands.

D.14 Irig Command

Sets DC and AM IRIG outputs on individual ports.

D.15 Latitude Command

Sets the ATS-6501 latitude using decimal format.

D.16 List Command

Lists all saved user system configuration files.

D.17 Mask Angle Command

Sets the mask angle for the internal GPS receiver in degrees.

D.18 Nasa36 Command

Selects NASA36 on AM IRIG outputs of the 4387A card.

D.19 Network Command

Displays current system network settings.

D.20 Network Configuration Command

Changes IP address mode (DHCP/static) and network settings.

D.21 Position Mode Command

Sets the ATS-6501 positioning mode (dynamic, auto, manual).

D.22 Position Period Command

Sets the time for antenna position determination in auto mode.

D.23 PPS Command

Sets PPS outputs on individual ports of the 4394A Card.

D.24 Prompt Command

Changes command prompt text and enable/disable status.

D.25 Log Filename Command

Sets the file naming scheme for FTP GPS log files.

D.26 Log Interval Command

Sets the time to record and save FTP log file information in minutes.

D.27 Log Number Command

Sets the maximum number of logs to save on the system.

D.28 Longitude Command

Sets the ATS-6501 longitude using decimal format.

D.29 Mask Angle Command

Sets the mask angle for the internal GPS receiver in degrees.

D.30 Nasa36 Command

Selects NASA36 on AM IRIG outputs of the 4387A card.

D.31 Network Command

Displays current system network settings.

D.32 Network Configuration Command

Changes IP address mode (DHCP/static) and network settings.

D.33 Position Mode Command

Sets the ATS-6501 positioning mode (dynamic, auto, manual).

D.34 Position Period Command

Sets the time for antenna position determination in auto mode.

D.35 PPS Command

Sets PPS outputs on individual ports of the 4394A Card.

D.36 Prompt Command

Changes command prompt text and enable/disable status.

D.37 Quit Command

Terminates the current command port connection.

D.38 Reboot Command

Reboots the ATS-6501.

D.39 Reference Command

Sets the ATS-6501 to use internal or external frequency reference.

D.40 Reference Type Command

Sets the type of external reference to be used (e.g., hp5071a).

D.41 Restart Command

Restarts the ATS-6501 application without rebooting the system.

D.42 Save Command

Saves user-specified system configuration files.

D.43 Save_logs Command

Saves user-specified FTP or real-time GPS logging configuration files.

D.44 Settings Command

Displays the list of current user settings in effect.

D.45 Show Command

Displays current system factory, user, and network settings.

D.46 Software Update Command

Updates system software using a previously uploaded ISO image file.

D.47 Status Command

Displays current system status, health, and alarms.

D.48 Status_port Command

Switches telnet session to the Status Port (1900).

D.49 Syslog Command

Displays current system log file contents for the user-specified type.

D.50 Unlog Command

Removes log files from FTP and real-time data.

Appendix E Julian Date Calendars

Appendix F Certificate of Compliance

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