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Symmetricom SyncServer S100 User Manual
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158
S100 User Guide – Rev. D – June 2005
1
SyncServer S100
165
Table of Contents
Table of Contents
3
Chapter 1 Introduction and Overview
9
How to
9
Go here for the Answer
9
Conventions Used
10
Product Details
11
Time Standards
11
Global Positioning System (GPS)
11
Version
11
Stratum Levels
12
Time Synchronization and Business
12
How the S100 Solves the Problem
13
National Measurement Institutes
13
Special Safety Instructions
14
Electrical Safety Instructions
14
Lithium Battery Disposal Instructions
14
Chapter 2 S100 Technology
15
Overview
15
On the Network
15
S100 Product Overview
15
Sources of Time
15
Web-Based Access
16
How the S100 Works
17
S100 and Client Software
18
S100 and NTP V4'S Security Features
18
S100 and Time Distribution
18
S100 and the Global Positioning System
19
Chapter 3 Installation and Configuration
21
Time Distribution Model
17
Getting up and Running
21
Overview
21
Unpacking Your S100
21
Your CD-ROM
23
Pscp.exe
24
Putty Folder Details
24
Putty.exe
24
Using the Software
24
Pageant.exe
25
Plink.exe
25
Psftp.exe
25
Puttygen.exe
26
Important Safety Instructions
27
Installing Your S100
27
Primary Power Connection
27
Rack Mounting
27
Making All Connections: an Overview
28
Setting up the Hardware
29
On the S100 Front Panel
29
On the S100 Rear Panel
30
Installing the GPS Antenna
31
Choosing an Antenna Location
31
Connecting the Rubidium Option
32
Establishing a Serial Connection
32
Installing the GPS Antenna
32
Setting up the IP Address
34
Testing Network Functionality
36
Turning off Your S100
37
How to Acquire Time
38
Logging on
38
Administrator Log-In
39
Next Step
40
The Configuration Wizard
40
Choose Your Time Source
41
Gps
43
Ntp
50
Configuring NTP
53
IRIG-B (V.120,122,123)
53
Using Symmtime
57
Installing Symmtime
57
To Synchronize Symmtime
59
Chapter 4
59
Next: Use the Web-Based Interface
59
The Web-Based Interface
61
Interface: Screen Reference
61
Overview
61
Administrative Interface
62
Logging in
62
Admin Interface: Base Menu
63
Administrative Menu: Expanded
64
System Status
65
Timing Configuration
65
NTP Relationships
66
NTP Dialup
68
NTP Time Source Test
68
NTP Restart
69
NTP Status
69
Advanced: Ntp.conf
71
Advanced: Keys/Certificates
72
Main Settings
73
Timing Engine
73
Timecode Settings
74
GPS Health
75
GPS Information
75
GPS Signal Strength
76
GPS Position
77
GPS Time
77
Clock Settings
78
Engine Time
78
Other Information
78
Control Settings
79
Model Information
80
Networking
80
Tcp/Ip
80
Ifconfig Output
82
Ping
82
Traceroute
83
Administration
84
Shutdown/Reboot
84
Admin Users
85
Restart Web Interface
85
System Log Configuration
86
Time Zone
86
SNMP Configuration
87
SNMP Edit
87
Alarms
88
Configuration Wizard
88
Logs
89
NTP Log
89
Boot Log
90
System Log
90
Config Log
91
HTTP Log
91
Syncserver Help/Ntpd Help
92
Default Chapter
92
Help
92
NTPD Help
92
Search NTPD Manual
92
Syncserver Help
92
Table of Contents
92
Logging off
93
Chapter 5 Operations & Time-Protocols
95
S100: Operations and Time Protocols
95
Sysplex Timer
95
Daytime Protocol (RFC 867)
97
Time Protocol (RFC 868)
97
Network Time Protocol (RFC 1305)
98
Simple Network Time Protocol (RFC 2030)
98
NTP Authentication
101
Authentication: NTP V3
101
Authentication: NTP V4 Autokey
102
Public Domain NTP Package
102
Typical NTP Configuration Considerations
102
Other NTP Considerations
103
Clients
103
Basic NTP Configuration
104
Peers
111
Security
111
ACTS Interface: Dial-Up
111
ACTS Operation
112
SNMP (Simple Network Management Protocol)
112
Version 1
113
Version 3
114
Chapter 6 Frequently Asked Questions
117
Questions
117
How Can We Obtain NTP Client Software to Use with the S100
117
Is There a Way to Get GPS Time Instead of UTC Time from the S100
117
What Are the Main Differences between SNTP and NTP Clients
117
What Outputs Are Available on the S100
117
How Do I Check Versions of the Software in the S100
118
How Does the S100 Handle Leap Second
118
What Is the Maximum Number of Computers that Can be Networked to the S100
118
What Signal Strengths Are Required by the S100 Receiver to Start Tracking
118
How Do I Know if the Satellite Signal Strength Is Good
119
How Many Satellites Are Necessary for Me to Operate the S100
119
What Are some Guidelines for Correctly Cutting the Cable, Using Splitters, and Using Cable Connectors
119
What Are the Available Antenna Cable Lengths and Antenna Requirements
119
What Is the Maximum Antenna Cable Length for Use with the S100
119
Can the S100 Utilize a Certificate from an External CA
120
Does the S100 Support any Functions to Restrict User Access to NTP Service? Can the S100 Set up Clients' IP Address to be Connected
120
Does the S100 Support NTP V4
120
How Is the Interface to the S100 Secured
120
How Many NTP Requests Can be Processed by the S100 each Second
120
What Is the Bandwidth Utilization (TCP/IP) each Time an NTP Client Gets a Time Update from the NTP Server
120
What Security Functions Are Provided with the S100
120
How Does the S100 Clock Behave When a Leap Second Is Introduced
121
Is NTP V4 Compatible with Network Address Translation (NAT) Gateways
121
How-To's and Tips
121
How to Configure an NTP V4 Client to Connect to an NTP V4 Server with the Autokey Scheme
122
How to Get Time Using Dial-Up
122
How to Get Time Using GPS
122
How to Install NTP V4 on a UNIX System
122
How to Install Your S100
122
How to Verify NTP V4 Autokey Client Connectivity with an NTP V4 Server
122
How to Acquire and Install Symmtime
123
How to Change the Root Password
123
How to Install Your GPS Antenna
123
Introduction and Overview 1
123
Use the Quick "How To" Guide
123
How to Get Information about NTP
124
Solutions
124
I Cannot Establish a Serial Connection with the S100
124
The S100 Does Not Respond to NTP Queries
124
The S100 Does Not Respond to Ping Command
124
My S100 Won't Track Satellites
125
Appendix A S100 Specifications
127
S100 Data Sheet Specifications
127
Pin Descriptions
128
Appendix B
129
Time Glossary
129
Appendix D Customer Assistance
145
EMEA Assistance Center
145
Customer Service
146
Technical Support
146
Declaration of Conformity
147
Appendix C
149
US Assistance Center
145
Customer Service
145
Technical Support
145
Antenna Replacement
149
Appendix E
149
Index
151
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Symmetricom SyncServer S100 Specifications
General
Brand
Symmetricom
Model
SyncServer S100
Category
Server
Language
English
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