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ATS-6501 Tflex
Symmetricom ATS-6501 Tflex User Manual
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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
2
Table of Contents
Table of Contents
3
General Information
7
Introduction
7
Ordering Information
7
Installation
9
Powering on the ATS-6501
9
Communicating with the ATS-6501
10
Dhcp
10
Static IP Addresses
10
Network
10
Console Cable
10
Setting a Static IP Address
11
USB Ports
11
Antenna Installation
12
Antenna Location
12
Figures Figure 1 Antenna Location
12
Setting the Antenna Voltage
14
Figure 2Antenna Cable
14
Outdoor Antenna Grounding
15
Antenna Mask Angle
15
Positioning Modes
16
Dynamic Position Mode
16
Auto Position Mode
16
Manual Position Mode
18
ATS-6501 Installation
19
Power Supplies
19
Output Cards
19
Figure 3 Rear Panel Output Card Locations
19
4394A (Pps/DC Irig)
20
Figure 4 Output Modules
20
4395A-10 (10Mhz) / 4395A-5 (5Mhz)
22
4387A (Modulated IRIG/NASA36)
22
4372A Fiber Output Module
23
Antenna Delay Calibration
24
On Time Point (OTP)
25
Using an External Frequency Reference
25
Figure 5 Timing System Diagram
25
Figure 6 External Frequency Reference
26
Saving User Configuration Files
27
User Configuration Files
27
FTP and Real-Time (Rt) Configuration Files
28
Operations
31
Front Panel
31
Power Supply Indicators
31
Alarm Indicator
31
Figure 7 ATS-6501 Front Panel
31
Oscillator Locked (Osc Lock) Indicator
32
GPS Tracking Indicator
32
NTP Locked Indicator
33
Outputs Enabled Indicator
33
Fans
33
Flash Card
34
Display Button
34
Rear Panel
34
Figure 8 ATS-6501 Rear Panel
34
Software
35
Current Version
35
Figure 9 Rear Panel Connections
35
Software Updates
36
Flash Card Replacement
36
Remote Software Update
36
Figure 10 Flash Card
36
GPS Firmware Updates
37
Declassifying the System
37
User Interfaces
38
Operating System
38
Telnet
38
Real Time Data Port (1135)
38
Command Port (1700)
38
Diagnostic Port (1800)
40
Status Port (1900)
41
File Transfer Protocol (FTP)
41
Network Time Protocol (NTP)
41
Status Command
42
Data Logging
42
FTP Data Logging
43
Real Time Data Logging
45
WAAS Satellites
47
System Verification
47
Theory of Operations
55
Generation of Timing Signals
55
Log Collection
56
Startup Sequence
56
Maintenance
58
Internal Inspection
58
Antenna and Antenna Cable Inspection
58
Fan Filter
59
Troubleshooting
60
Front Panel Indications
60
Alarm Light
60
Power Supplies
60
Outputs Enabled
61
GPS Performance
62
Poor GPS Receiver Performance
62
GPS Not Tracking
63
Internal Clocks
65
External Reference
65
NTP Server
67
PTD Value Is Noisy
67
Over Temperature and Fans
68
PPS Outputs
68
IRIG Outputs
69
NASA36 Outputs
70
Communication Problems
71
Lan
71
Console (Command Port)
71
External Reference
71
Syslog Error Command
72
Appendix A System Specifications
73
Appendix B Status Command Fields
77
Appendix C Status Port (1900) Example
81
Appendix D Detailed Command Information
86
Appendix E Julian Date Calendars
104
Appendix F Certificate of Compliance
106
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Symmetricom ATS-6501 Tflex Specifications
General
Brand
Symmetricom
Model
ATS-6501 Tflex
Category
Data Loggers
Language
English
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