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1-2 TimeVault™ User’s Manual 6000-100Ch1.fm Rev. D
Chapter 1: General Information Overview of TimeVault
1.2 Overview of TimeVault
TimeVault is a high-performance, internet-enabled Network Time Protocol (NTP) server
that operates in a secure access environment and provides time to multiple clients with
extreme accuracy. To provide trusted time and guard against any denial of service,
TimeVault uses GPS as a primary synchronization source, backed up by ACTS and NTP
as secondary and tertiary sources, respectively.
TimeVault provides network time synchronization over Ethernet connected networks via
Network Time Protocol (NTP), developed by Dr. David Mills at the University of
Delaware. TimeVault currently supports versions 2 and higher of the NTP, RFC-1305, as
well as the Simple Network Time Protocol (SNTP), RFC-2030. In addition, TimeVault
responds to TIME protocol requests, RFC-868. For details about these protocols, refer to
Appendix A and Appendix B in this manual.
The main feature of TimeVault’s web interface is its ability to perform setup and control
operations from a remote location, using the Internet or TCP/IP LAN (see Chapter 3). The
protocol used is either Telnet or HTTP. TimeVault has an RJ-45 Ethernet connector on its
NET Port, providing NTP and IP access, and a 9-pin D serial connector for serial
input/output.
1.3 Limited Warranty
Each new product manufactured by Symmetricom is warranted for defects in material or
workmanship for a period of one year from date of shipment (“Limited Warranty”).
Defects in material or workmanship found within that period will be replaced or repaired,
at Symmetricom's option, without charge for material or labor, provided the customer
returns the equipment, freight prepaid, to the Symmetricom factory under this limited
warranty. Symmetricom will return the repaired equipment, freight prepaid, to the
customer's facility. This one year Limited Warranty does not apply to any software or to
any product not manufactured by Symmetricom.
1.4 Limitation Of Liability
By purchasing any product from Symmetricom, the Buyer consents to and agrees that the
Buyer's sole and exclusive remedy for any damages or losses incurred by the Buyer, as a
result of Symmetricom's breach of its one-year Limited Warranty for defects in materials
and workmanship or otherwise in connection with any claim respecting the product, shall
be limited to the repair or replacement of the product or a refund of the sales price of the
product.
In no event shall the Buyer be entitled to recover consequential damages or any other
damages of any kind or description whatsoever.
- TimeVault 1
- Class A 3
- DECLARATION OF CONFORMITY 4
- User’s Manual 8
- 1 Table of Contents i 11
- 2 General Information 1 11
- 4 Remote Operation 31 12
- Table of Contents 13
- F Non-Standard Features 127 14
- General Information 15
- G for GPS, A for ACTS and N 21
- 1.13.3 ACTS Port 23
- 2.1.1 Mounting Instructions 25
- 2.1.2 Necessary Equipment 26
- Placing the Window Antenna 28
- 12:00 NOON 28
- Best W indow 28
- (Be sure your 30
- 2.3.1 GPS Mode 31
- Satellite Acquisition 32
- 2.3.2 ACTS Mode 33
- 2.3.3 NTP Mode 33
- UTC: DDD;HH:MM:SS 35
- 2.3.5 Rolling Redundancy 36
- 2.4.1 Alphanumeric Display 37
- 2.4.2 Keypad Operation 38
- Keypad Entry Guidelines 38
- Display Security 40
- Further Precautions 41
- Disabling Security 41
- DHCP status OFF is displayed 43
- Remote Operation 45
- Status Message Window 47
- Remote NTP Configuration 50
- Remote SNMP Configuration 52
- Telnet in the Open field 54
- 3.2.2 Ending Telnet 55
- 3.3.1 Serial Line Settings 56
- 3.3.2 HyperTerminal 57
- Starting HyperTerminal 57
- The name of your last session 61
- 3.4.2 Telnet Session Timer 62
- F<FUNC#><Enter> 63
- F03<Enter> 64
- OK<CR><LF> 64
- Command Function Parameters 65
- F60<Enter> 70
- Are you sure? (y/N) 87
- <CR><LF> 88
- TimeVault-Generated Messages 101
- A.1.1 NTP Data Packet 105
- Leap Indicator 106
- Version Number 106
- Authenticator 108
- Reference Timestamp 108
- Originate Timestamp 108
- Receive Timestamp 108
- Transmit Timestamp 108
- A.3.1 NTPQ 110
- A.3.2 NTPDC 110
- A.3.3 For more information 110
- TIME and DAYTIME Protocols 119
- C 2.3 DAYTIME String Format 120
- Introduction 124
- Variable Definitions 125
- Non-Standard Features 141
- Numerics 143
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