User ManualTable of ContentsTable of Contents11115General Information151.1 Conventions151.2 Overview of TimeVault161.3 Limited Warranty161.4 Limitation Of Liability161.5 Proprietary Notice171.6 Physical Specifications171.7 Environmental Specifications181.8 Power Input Specifications191.9 Certifications191.10 Internal Timing Performance Specifications191.11 Network Time Protocol Synchronization Specifications201.12 Front Panel Interface21Figure 1-1 TimeVault Front Panel211.13 Interface Specifications221.13.1 NET Port Ethernet Interface221.13.2 Utility Port (RS-232 I/O Interface)221.13.3 ACTS Port23225Installation and Start-Up252.1 Site Preparation252.1.1 Mounting Instructions252.1.2 Necessary Equipment262.1.3 Antenna Information27Voltage Requirement and Signal Levels27Use of a Splitter27Lead-In Cable272.1.4 GPS Roof-Mounted Antenna Installation272.1.5 GPS Window-Mounted Antenna (140-619) Installation28Placing the Window Antenna282.2 Cabling29Figure 2-3: TimeVault Back Panel Cabling Illustration (AC Mains)29Figure 2-4: TimeVault Back Panel Cabling Illustration (-48 VDC)29Figure 2-5: TimeVault Front Panel Cabling Illustration292.3 Power-Up312.3.1 GPS Mode31Satellite Acquisition32Window Antenna Satellite Tracking322.3.2 ACTS Mode332.3.3 NTP Mode332.3.4 Synchronization Source Operation342.3.5 Rolling Redundancy362.4 Front Panel Interface37Figure 2-6 Front Panel Display and Keypad372.4.1 Alphanumeric Display372.4.2 Keypad Operation38Keypad Entry Guidelines38Front Panel Network Parameter Display39Entering the User ID and Password40Further Precautions41Disabling Security412.5 NET Port Network Parameters: First Time Configuration422.6 DHCP Configuration432.7 Verify Functionality432.8 Wrap-Up & Advanced Operation43Figure 2-1 Basic Antenna Components27345Remote Operation453.1 Web Access453.1.1 Starting the Web Browser453.1.2 Accessing TimeVault’s Web Pages463.1.3 Configuration Control Login Page47Status Message Window473.1.4 Remote Configuration.48Entering and Submitting Changes48Remote ACTS Configuration48Remote NTP Configuration50Remote SNMP Configuration523.1.5 Leaving the Control Pages533.1.6 Leaving the Web Interface533.2 Telnet Access543.2.1 Starting Telnet and Making a Connection543.2.2 Ending Telnet553.3 Serial Access563.3.1 Serial Line Settings563.3.2 HyperTerminal57Starting HyperTerminal57Setting Up a HyperTerminal Session59Reconnecting to your last HyperTerminal session613.4 Session Timers623.4.1 Utility Port Session Timer623.4.2 Telnet Session Timer623.4.3 Web Control Session Timer62463Serial or Telnet I/O Functions634.1 Overview and Format634.2 Command List654.3 Function Commands684.3.1 F03 - Time and Date Request684.3.2 F18 - Software Version Request684.3.3 F36 - NET Port Network Configuration Entry/Request694.3.4 F53 - Operating Mode Request694.3.5 F60 - Satellite List Request704.3.6 F67 - Leap Second Information724.3.7 F72 - Fault Status Request724.4 Extended Function Commands734.4.1 F100 BASET - 100 BASE-T/10 BASE-T Control744.4.2 F100 DHCP - DHCP Control754.4.3 F100 EA - Ethernet Address764.4.4 F100 IP - IP Address764.4.5 F100 SM - Subnet Mask774.4.6 F100 G - Gateway774.4.7 F100 IC - NET Port Network Configuration Entry/Request784.4.8 F100 P - Change User Password784.4.9 F100 ST - Self Test Status794.4.10 F100 VER - Software Version Request804.4.11 F100 T - Current Time Source Request804.4.12 F100 CONFIG - FTP Configuration of NTP, SNMP & ACTS Parameters81Editing the MD5 keys on the NTP Server84Editing the MD5 keys on the NTP Client85Configuration of ACTS Parameters Using FTP884.4.13 F100 LOCK - Remote Lockout904.4.14 F100 L - Lock Display Request904.4.15 F100 J - Jumper914.4.16 F100 BH - Burn Host914.4.17 F100 BU - Burn914.4.18 F100 BUB - Burn BootLoader934.4.19 F100 BF - Burn File System934.4.20 F100 K I L L - Reboot944.4.21 F100 BL - Burn Host Lock Request954.4.22 F100 BLS - Burn Host Lock Set954.4.23 F100 BLR - Burn Host Lock Reset954.4.24 F100 PRESETALL - Password Reset All964.4.25 F100 PN - Password System User Name Change964.4.26 F100 PR - Password Reset974.4.27 F100 PL - Password Lock Request974.4.28 F100 PLS - Password Lock Set984.4.29 F100 PLR - Password Lock Reset984.4.30 F100 PE LIST - Peer List Request984.4.31 F100 PE ADD - Peer Add994.4.32 F100 PE REM - Peer Remove994.4.33 F100 PI - PING994.4.34 F100 PT - Time994.5 Login/Logout1004.5.1 Operator Login1004.5.2 Guest Login1004.5.3 Logout1005101TimeVault-Generated Messages1015.1 Error Messages1015.2 LED System Status Alerts1035.2.1 Solid Red/Solid Orange1035.3 Informational Messages103A105NTP Version 3, NTPQ, and NTPDC105A.1 NTP V 3.0 Data Format per RFC-1305105A.1.1 NTP Data Packet105Figure A-1 NTP Data Packet Information Layout106Leap Indicator106Version Number106Mode106Stratum107Poll Interval107Precision107Synchronizing Distance (Root Delay Version 3)107Synchronizing Dispersion (Root Dispersion Version 3)107Reference Clock Identifier107Reference Timestamp108Originate Timestamp108Receive Timestamp108Transmit Timestamp108Authenticator108A.2 SNTP V 3.0 Data Format per RFC-2030109A.3 Cross Check Functionality with NTPQ and NTPDC110A.3.1 NTPQ110A.3.2 NTPDC110A.3.3 For more information110B113MD5 Authentication and NTP Broadcast Mode113B.1 Introduction to MD5113B.2 NTP Broadcast Mode with MD5 Authentication115B.3 NTP Broadcast Mode without Authentication116B.3.1 Configuration of NTP on the Timeserver116B.3.2 Configuration of NTP on the Time Client117C119TIME and DAYTIME Protocols119C.1 TIME Protocol as per RFC-868119C.1.1 The Time Protocol Format119C.2 DAYTIME Protocol as per RFC-867120C.2.1 TCP Based Daytime Service120C 2.2 UDP Based Daytime Service120C 2.3 DAYTIME String Format120D121SNMP - Simple Network Management Protocol121D.1 About SNMP121D.2 Symmetricom SNMP Configuration122D.3 Serial or Telnet Configuration124D.4 Symmetricom SNMP Enterprise MIB124Introduction124Variable Definitions125E139Automated Computer Time Service (ACTS)139F141Non-Standard Features141Index143Size: 2.24 MBPages: 148Language: EnglishOpen manual