EndRun Sonoma N12 - Page 2

EndRun Sonoma N12

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Table of Contents

Default Chapter3
- Preface3
- About Endrun Technologies3
- Trademark Acknowledgements3
- Endrun Contact Information3
- About this Manual4
- Warranty4
- Extended Warranty4
- Limitation of Warranty4
- Warranty Repair5
- Repair after Warranty Expiration5
- Limitation of Liability5
- Table of Contents6
Chapter One - Introduction17
- What It Is17
- GPS Timing-How It Works17
  - GPS Receivers18
- Time Synchronization Components18
- Where to Use It19
- Client/Slave Software19
Chapter Two - Basic Installation21
- Checking and Identifying the Hardware21
- Sonoma Physical Description22
- Performing a Site Survey23
- Installing the Sonoma24
Chapter Three - Network Time Protocol (NTP)33
- Configuring the NTP Server33
  - Configuring the Sonoma as a Stratum 1 Server33
    - Configuring NTP Using the Network Interface or Serial Port33
  - Configuring the Sonoma as a Stratum 2 Server36
    - Edit Ntp.conf File36
    - Mask Alarm36
- Setting up NTP Clients on Unix-Like Platforms37
- Setting up NTP Clients on Windows42
Chapter Four - Precision Time Protocol (PTP/IEEE-1588)49
- About PTP49
- Option49
- Two Gigabit Ports50
- PTP Configuration and Status50
  - PTP Configuration Using the Network or Serial Port50
  - PTP Status Using the Network or Serial Port52
- PTP Operation53
- About the PTP Second and UTC Time55
  - PTP Second55
  - UTC Time55
- Multiport PTP55
- Disable the PTP Protocol56
  - Re-Enable PTP56
Chapter Five - Security57
- Linux Operating System57
- Restrict Access58
- Disable Protocols61
- Openssh62
  - Configure Keys63
- Https63
  - Configure Certificate and Key64
- Ntp64
- Network Security Vulnerabilities64
Chapter Six - Simple Network Management Protocol (SNMP)65
- Snmpv3 Security65
- Enterprise Management Information Base (MIB)66
- Invocation of the SNMP Daemon66
  - Change Default Community Strings (Passwords)67
- Configuring Snmpv1 Trap Generation67
- Configuring Snmpv2C Notifications and Informs67
- Configuration of Snmpv368
- Disable or Restrict Access69
Chapter Seven - Hyper Text Transport Protocol Secure (HTTPS)71
- HTTPS Interface Description72
  - Navigation73
- Page Descriptions74
- Disable or Restrict Access81
Chapter Eight - Ipv683
- Ipv6 Capabilities83
Chapter Nine - Console Port Control and Status85
- Console Ports85
- General Linux Operation85
- Available User Commands86
  - Get_Sw_Opts86
- Detailed Command Descriptions89
  - Accessconfig89
  - Antfltmask90
  - Caldelay90
  - Cpuio (Optional)90
  - Cpuioconfig (Optional)90
  - Cpustat90
  - Faultstat91
  - Gpsdynmode91
  - Gpslastfix91
  - Gpsrefpos92
  - Gpsstat92
  - Gpstrkstat94
  - Gpsutcinfo94
  - Gpsversion95
  - Help95
  - Inetdconfig95
- Kernelversion95
- Netconfig95
- Ntpconfig96
- Ntpstat96
- Oscctrlstat97
- Passwd98
- Ptpconfig0 and Ptpconfig1 (Optional)98
- Ptpstat0 and Ptpstat1 (Optional)98
- Pwrfltmask (Optional)98
- Rcvrserialnumber98
- Rcvrstat99
- Rcvrversion99
- Resetlastgpswn99
- Resetleaphistory99
- Serialnumber99
- Setantfltmask99
- Setcaldelay100
- Setgpsdynmode100
- Setgpsrefpos100
- Setsigfltmask101
- Sigfltmask101
- Subsysreset101
- Syskernel101
- Sysosctype102
- Sysrootfs102
- Sysstat102
- Systemio (Optional)103
- Systemioconfig (Optional)103
- Systimemode103
- Systimemodeconfig103
- Sysversion104
- Updaterootflag104
- Updatekernelflag 1104
  - Upgradercvr105
  - Wrt_Sw_Opt106
Chapter Ten - Options107
- Software Option Bit Definitions108
- Programmable Pulse Output (PPO)109
- Time Code Output110
- Alarm Output111
- Serial Time Output112
- Power Supply Options119
  - Masking Dual Power Supply Fault Alarms120
Appendix A - Time Figure of Merit (TFOM)121
Appendix B - Upgrading the Firmware123
Appendix B - Upgrading the Firmware123
- Upgrade Via the HTTPS Interface123
- Upgrade Via the Console Port125
Appendix C - Helpful Linux Information133
Appendix C - Helpful Linux Information133
- Linux Users133
  - Change Password134
- Text Editors135
- Query and Change Ethernet Ports136
Appendix D - Third-Party Software137
- NTP Software License142
- PTP Software License144
Appendix E - Installing the GPS Antenna145
Appendix E - Installing the GPS Antenna145
- Antenna Location145
- GPS Antenna Kit146
- Long Cable Runs147
  - Using Three Preamplifiers148
- Calibrate Your Receiver149
- Mounting on a Rooftop150
- Mounting Inside a Window151
- Using "Indirect GPS152
Appendix F - Leap Seconds.157
Appendix F - Leap Seconds.157
- Automatic Leap Second Insertion157
Appendix G - System Faults159
Appendix G - System Faults159
- Overview159

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