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S o n o m a U s e r M a n u a l

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A P P E N D I X E

135

S o n o m a U s e r M a n u a l

I N S T A L L I N G T H E G P S A N T E N N A

EndRun Part #

Description

Nominal Delay

Notes

Antenna Cable

0610-0009-001

Kit with 50’ (15m) cable

62 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0013-050

50’ (15m) cable

62 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0013-100

100’ (30m) cable

124 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0013-150

150’ (46m) cable

186 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0013-200

200’ (61m) cable

248 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0013-250

250’ (76m) cable

310 nanoseconds

Belden 9104, 1.24 ns/foot

0600-0060-800

800’ (244m) cable

992 nanoseconds

Belden 1505A, 1.24 ns/foot

0600-0060-A00

1000’ (304m) cable

1240 nanoseconds

Belden 1505A, 1.24 ns/foot

GPS Low-Noise Amplifier

3509-0001-000

G-LNA2

20 nanoseconds

See device label for exact delay.

4011-0002-000

G-LNA2 Kit

(with 1’ cable)

21 nanoseconds

See device label for exact delay

and add 1.24 ns for the 1’ cable.

0502-0009-000

Lightning Arrestor

<1 nanosecond

0502-0011-000

GPS Signal Splitter

<1 nanosecond

Fiber Optic Link

3430-0003-000
3430-0004-000
3430-0005-000

Fiber Optic Receiver

Fiber Optic Transmitter
Fiber Optic Transmitter

17 nanoseconds

per

Receiver/Transmitter

pair.

Add the delay of single mode

fiber optic cable which is

typically 1.4/1.5 ns/foot.

See cable specification.

Mounting On

A Rooftop

Mounting your GPS antenna with an unobstructed view of the sky (usually on a rooftop) is the

recommended installation. Please follow these guidelines to eliminate exposure to electrical service

wiring and to minimize the potential for lightning strikes.

Installations subject to lightning strikes should use a lightning arrestor installed at the building en-

trance. A lightning arrestor suited for this purpose is available through EndRun Technologies. The

arrestor must be installed according to the manufacturer’s instructions.

Do NOT route the antenna wiring near or with AC wiring (Class 1 circuits per the NEC). Do NOT

mount the antenna wiring where it may become energized by nearby AC wiring or components

should they fall.

Содержание Sonoma N12

Страница 1: ...Smarter Timing Solutions USM3029 0000 000 Revision 5 June 2017 Sonoma N12 Network Time Server GPS Synchronized User Manual...

Страница 2: ......

Страница 3: ...needs of the time and frequency community since 1998 The instruments produced by EndRun Technologies have been selected as the timing reference for such rigorous applications as computer synchronizati...

Страница 4: ...o be defective For warranty service or repair this product must be returned to EndRun Technologies Buyer shall prepay shipping charges to send product to EndRun Technologies and EndRun Technologies sh...

Страница 5: ...circumstances arise that require more than 5 days an EndRun service technician will contact you Loaner units are not included as part of the standard warranty Repair After Warranty Expiration If the w...

Страница 6: ...One Introduction 1 What It Is 1 GPS Timing How It Works 1 GPS Receivers 2 Time Synchronization Components 2 Where to Use It 3 Client Slave Software 3 Chapter Two Basic Installation 5 Checking and Ide...

Страница 7: ...forms Basic NTP Client Setup 21 Configure NTP 21 Unix like Platforms MD5 Authenticated NTP Client Setup 22 Create the ntp keys File 22 Configure NTP 23 Unix like Platforms Broadcast Multicast NTP Clie...

Страница 8: ...39 PTP Second 39 UTC Time 39 Multiport PTP 39 Disable the PTP Protocol 40 Re Enable PTP 40 Chapter Five Security 41 Linux Operating System 41 Restrict Access 42 Restrict Access Telnet SSH and SNMP 42...

Страница 9: ...estrict Access 53 Chapter Seven Hyper Text Transport Protocol Secure HTTPS 55 HTTPS Interface Description 56 Navigation 57 Page Descriptions 58 Home Overall Status Page 58 Home User Manual 58 Home Log...

Страница 10: ...Pv4 Only Protocols 68 Chapter Nine Console Port Control and Status 69 Console Ports 69 General Linux Operation 69 Available User Commands 70 Detailed Command Descriptions 73 accessconfig 73 antfltmask...

Страница 11: ...82 rcvrserialnumber 82 rcvrstat 83 rcvrversion 83 resetlastgpswn 83 resetleaphistory 83 serialnumber 83 setantfltmask 83 setcaldelay 84 setgpsdynmode 84 setgpsrefpos 84 setsigfltmask 85 sigfltmask 85...

Страница 12: ...figuration 93 1PPS Output 93 View and Change the 1PPS Configuration 93 Time Code Output 94 View and Change the Time Code Configuration 94 Fixed Rate Output 10 MPPS etc 94 View the Fixed Rate Output Co...

Страница 13: ...orming the Linux Kernel Upgrade 111 Transfer File to Sonoma 111 Recovering from a Failed Kernel Upgrade 112 Performing the GPS Subsystem Upgrade 113 Problems with the GPS Subsystem Upgrade 114 Perform...

Страница 14: ...ing GPS Preamplifiers 131 Using Three Preamplifiers 132 Other Accessories 132 Lightning Arrestor 132 Signal Splitters 132 Calibrate Your Receiver 133 Mounting On A Rooftop 134 Mounting Inside A Window...

Страница 15: ...S o n o m a U s e r M a n u a l Receiver Fault Definitions 145 Appendix H Specifications 147 Special Modifications Changes for Customer Requirements 155...

Страница 16: ...S o n o m a U s e r M a n u a l This page intentionally left blank...

Страница 17: ...eans of synchronizing the satellite transmissions throughout the constellation so that accurate receiver to sat ellite range measurements can be performed via time of arrival measurements made at the...

Страница 18: ...to malfunction due to weak signals jamming spoofing or accidental GPS control system errors Proprietary algorithms in Sonoma perform advanced integrity checks to filter random and persistent errors to...

Страница 19: ...holdover periods of 35 days or more an oscillator upgrade may be installed in your Sonoma Client Slave Software The Sonoma has been designed to operate in conjunction with existing public domain NTP...

Страница 20: ...S o n o m a U s e r M a n u a l 4 C H A P T E R O N E This page intentionally left blank...

Страница 21: ...s not essen tial If you satisfy these conditions the instructions provided herein should guide you to a successful installation For a brief description of some helpful Linux commands and utilities see...

Страница 22: ...to initialize and maintain the Sonoma See Chapter 9 Console Port Control and Status for more information including the RS 232 pin assignments 10 100 1000Base T Jacks These two RJ 45 connectors mate w...

Страница 23: ...y rapidly about a 6 Hz rate until the data is fully decoded and the system oscillator is fully locked to the GPS frequency 4 Then the Sync LED will pulse at precisely a 1 Hz rate synchronized to UTC s...

Страница 24: ...nergize equipment disconnect the power cord If your Sonoma has dual power supplies then multiple power cords may be installed To de energize this equipment disconnect all power cords from the device D...

Страница 25: ...O Port To test serial communications with the Sonoma you will need either a VT100 compatible terminal or a terminal emulation program running on your computer We will refer to either of these as term...

Страница 26: ...mational messages is displayed as the kernel begins execution and the various device drivers are initialized When the boot process completes the Sonoma login prompt is displayed Welcome to Sonoma_N12...

Страница 27: ...e with the Sonoma over the network using telnet or ssh and synchronize your network computers to UTC using NTP Using netconfig to Set Up Your IP The script file netconfig will configure the TCP IP net...

Страница 28: ...for IPV4 Only the IPV4 loopback interface will be setup y es n o After configuring your ethernet interfaces you should shutdown the Sonoma and reboot it by issuing this command at the prompt Sonoma N1...

Страница 29: ...0 0 inet6 addr 1 128 Scope Host UP LOOPBACK RUNNING MTU 16436 Metric 1 RX packets 5808 errors 0 dropped 0 overruns 0 frame 0 TX packets 5808 errors 0 dropped 0 overruns 0 carrier 0 collisions 0 txqueu...

Страница 30: ...Both of these protocols are supported in the Sonoma via the OpenSSH implementations for Linux Refer to Chapter 5 Security Open SSH for more information about the secure shell protocol Using Telnet Whe...

Страница 31: ...em as Sonoma and shows the software part number version and build date Sonoma_N12 GPS 6010 0065 000 v 1 00 Sat Jan 19 14 17 44 UTC 2013 Sonoma_N12 GPS root host This last line is the standard Sonoma N...

Страница 32: ...S o n o m a U s e r M a n u a l 16 C H A P T E R T W O This page intentionally left blank...

Страница 33: ...procedures in Chapter 2 By default the Sonoma is configured to respond to NTP requests from clients that may or may not be using MD5 authentication If the clients are using MD5 authentication they mus...

Страница 34: ...will now be prompted for the necessary set up parameters MD5 Keyfile Configuration Would you like to create a new ntp keys file y es n o y You will be prompted for a key number 1 65534 then the actua...

Страница 35: ...2 113 255 On IPV6 networks there is more than one way to define a range of multicast addresses Example ff05 1 all nodes on the local site Example ff02 1 all nodes on the local link There are specific...

Страница 36: ...n nected Since there are innumerable ways to configure your network with Stratum 2 servers specific insruc tions for how to do that are beyond the scope of this manual General instructions on how to e...

Страница 37: ...icate its replies to NTP MD5 clients using its default set of keys Broadcast Multicast This method simplifies configuration of the clients on large networks since specific server addresses need not be...

Страница 38: ...hentication either by factory default or by run ning the ntpconfig shell script The example Sonoma authentication configuration shown in Con figuring NTP Using the Network Interface or Serial Port abo...

Страница 39: ...ill see the reach count increment You can verify that authentication is being used by issuing the command associations to display the characteristics of the client server associations In the auth colu...

Страница 40: ...2 for broadcast authentica tion as shown in the example in Configuring the NTP Server above make sure that key 2 is included in the trustedkey line and add this line to the end of the ntp conf file br...

Страница 41: ...have to con tinue issuing the peers command for a minute or two before you will see the reach count increment If you are using authentication you can verify that authentication is being used by issui...

Страница 42: ...ntication However it is highly recommended that authentication be configured when using broadcast multicast mode due to the relative ease with which a fake NTP server can take over the clock setting o...

Страница 43: ...dow after issuing the command ntpq you will see the ntpq exe command prompt ntpq Use the command peers to display the NTP peers which your computer is using One of them should be the Sonoma server whi...

Страница 44: ...files ntp etc ntp keys file is the weak link in the MD5 authentication scheme It is very important that it is owned by administrator and not readable by anyone other than administrator After transfer...

Страница 45: ...r in the ntp conf file that causes the needed key to not be included in the trustedkey list Windows Broadcast Multicast NTP Client Setup Broadcast multicast client setup is relatively simple if You ha...

Страница 46: ...e multicastclient 224 0 1 1 or for IPv6 multicastclient ff05 101 If you are not using MD5 authentication you would add these lines disable auth multicastclient 224 0 1 1 or for IPv6 disable auth multi...

Страница 47: ...ciations to display the characteristics of the client server associations In the auth column of the display you should see OK for the row corresponding to the Sonoma server If you see bad you should w...

Страница 48: ...S o n o m a U s e r M a n u a l 32 C H A P T E R T H R E E This page intentionally left blank...

Страница 49: ...ntact EndRun Technologies if you would like to obtain PTP for one or both ports In the cases below PTP is installed Command get_sw_opts Sonoma reply 00000000000000000000000000000001 PTP installed on p...

Страница 50: ...tion settings in the Sonoma are shown below If you need to modify these settings then you will need to reconfigure the PTP Subsystem You may perform the configuration from either a telnet or ssh sessi...

Страница 51: ...onfigure the PTP sync interval announce interval priority1 priority2 delay mechanism ptp domain time mode and time to live TTL The changes you make now will not take effect until you re boot If you ma...

Страница 52: ...e 2008 standard SI is the PTP sync interval either 1 1 2 1 4 1 8 1 16 1 32 1 64 or 1 128 seconds AI is the PTP announce interval either 1 2 4 8 or 16 seconds P1 is the PTP priority 1 in a range from 0...

Страница 53: ...s fully synchronized or in holdover with a known clock accuracy The PTP Announce Interval is user configured Packets are transmitted every 1 2 4 8 or 16 seconds as a multicast The packets are only tra...

Страница 54: ...correct otherwise it is FALSE The PTP Clock Accuracy is transmitted when the time is accurate to within the the following 25ns Clock is synchronized or in holdover PTP clock 25 nanoseconds 100ns Cloc...

Страница 55: ...longer than a normal day ending at 23 59 59 PTP Second When the PTP Time Mode is set to PTP the slave clocks must utilize the current leap second and leap second pending flags leap_59 or leap_61 to c...

Страница 56: ...ort 0 issue the following command chmod x etc rc d rc ptpd0 Copy the rc ptpd0 file to the non volatile FLASH area like this cp p etc rc d rc ptpd0 boot etc rc d Then reboot Once PTP has been disabled...

Страница 57: ...ion and session privacy In addition the Network Time Proto col daemon ntpd supports client server authentication security measures to deter spoofing of NTP clients by rogue NTP servers This chapter de...

Страница 58: ...s etc hosts allow and etc hosts deny which are configured using the interactive script accessconfig See Restrict Access Telnet SSH and SNMP below Insecure protocols like Time Daytime and Telnet may be...

Страница 59: ...rectly and then copy them to the boot etc directory See Appendix C Helpful Linux Information Using Editors Be careful to maintain the proper ownership and access permissions by using cp p when copying...

Страница 60: ...dify noquery nopeer restrict 127 0 0 1 nomodify restrict 0 1 nomodify The first line eliminates control and query access from ALL hosts The second and third lines disable the localhost from making any...

Страница 61: ...n itself and in telnetd Any one or all of these may be enabled or disabled for start up Disable SNMP SSH and HTTPS To disable SNMP SSH or HTTPS you only have to modify the file mode of the scripts tha...

Страница 62: ...root 1144 Feb 19 01 52 rc httpd rw r r 1 root root 1168 Oct 26 2012 rc snmpd rw r r 1 root root 2684 Feb 18 02 16 rc sshd If rc httpd rc snmp or rc ssh is not listed or it is listed and there is an a...

Страница 63: ...e computer as id_rsa or id_dsa If you are unfamilar with this process refer to the man page for the ssh keygen utility for details issue man ssh keygen at the prompt Be careful to maintain the proper...

Страница 64: ...irectory You must reboot the Sonoma for them to take effect An excellent book which describes operation and configuration of the various HTTPS directives and SSL configuration is Professional Apache W...

Страница 65: ...o operate with SNMPv3 it is highly recommended that you make use of both of these resources to familiarize yourself with the agent configuration concepts SNMPv3 Security Prior to SNMPv3 SNMP had defin...

Страница 66: ...of Merit change Invocation of the SNMP daemon The SNMP daemon snmpd is started from the etc rc d rc snmpd system start up script By default it will listen on port 161 for SNMP queries from the networ...

Страница 67: ...henticationFailure traps to multiple destinations the Sonoma enter prise MIB trap generation mechanism will only send a trap to the last declared trapsink in the file Configuring SNMPv2c Notifications...

Страница 68: ...wo lines to define your v3 users and their access parameters rwuser root priv 1 rouser ntpuser auth 1 3 6 1 4 1 13827 The first line defines a SNMPv3 read write user root whose minimum security level...

Страница 69: ...ey s to the file These lines begin with the string usmUser In this way un encrypted passwords are not stored on the system IMPORTANT To generate new keys stop the snmpd process delete the existing usm...

Страница 70: ...S o n o m a U s e r M a n u a l 54 C H A P T E R S I X This page intentionally left blank...

Страница 71: ...Sonoma uses HTTP over SSL SSL is a sublayer under standard HTTP HTTPS enhances security because it encrypts and decrypts the requested and returned pages from the server including any passwords which...

Страница 72: ...ur web browser must be configured to allow pop up windows To get started with the web interface simply point your browser to the IP address of the Sonoma and log in securely with HTTPS Following are e...

Страница 73: ...noma while links on the left side of each webpage provide subcategory navigation For example in the page below the main menu tabs are Home Receiver Plots Clock I O Faults Network NTP PTP and Firmware...

Страница 74: ...hese possible values Stratum 1 The server is fully synchronized and accurate Stratum 2 The server is synchronized to a Stratum 1 server Stratum x The server is synchronized to a Stratum x 1 server Str...

Страница 75: ...the last data plot viewed This could be from any one of the three data types CPU NTP Oscillator or Receiver All plot files are kept in directories There is one directory for each week To choose a new...

Страница 76: ...e should Mode be OFF when the Sonoma is in a static not moving position To change the dynamic mode setting use the gpsdynmode command WGS 84 Reference Position Position Source The source of the refere...

Страница 77: ...lifiers etc Calibration range is 500 000 nanoseconds Receiver Oscillator Page This page shows system oscillator control information such as Oscillator Status Oscillator Type This field shows the syste...

Страница 78: ...ne Offset implies a longitude east of the Greenwich meridian To change the time zone use the systimemodeconfig command Daylight Savings This field will show whether DST control is enabled or not Time...

Страница 79: ...and These fields will display ONLY if your Sonoma has the Dual Power Supply Secondary Power option installed See Chapter 10 Options Masking Dual Power Supply Fault Alarms Fault Alarms for more informa...

Страница 80: ...cond is pending Bits Leap seconds occur about every 11 2 to 3 years Possible indicator values are 00 Normal locked operation 01 Leap second insertion will occur after 23 59 59 UTC 10 Leap second delet...

Страница 81: ...ma firmware are freely available on the EndRun Technologies website For detailed information on how to perform the upgrade either via the network port the serial port or the HTTPS interface see Append...

Страница 82: ...S o n o m a U s e r M a n u a l 66 C H A P T E R S E V E N This page intentionally left blank...

Страница 83: ...nfigure your Ethernet interface for both IPv4 and IPv6 operation Using the netconfig script has the advantage that you can also configure the hostname and domain name for the unit OpenSSH By default s...

Страница 84: ...to any IPv6 addresses Refer to the NTP documentation for details on the interface directive IPv4 Only Protocols There are several protocols running on the Sonoma which are not IPv6 capable telnet cli...

Страница 85: ...Linux Information Console Ports Three interface ports are available on the Sonoma N12 Two are 10 100 1000Base T ethernet ports and one is an RS 232 serial port Network cables and a serial cable are pr...

Страница 86: ...tates in a user friendly format get_sw_opts Returns the current software options enabled in your Sonoma See Chapter 10 Options Software Options for more informa tion gpsdynmode Prints the GPS dynamic...

Страница 87: ...ptional Dual Power Supply Input Fault Alarm Masks See Chapter 10 Options Masking Dual Power Supply Fault Alarms for more information rcvrserialnumber Prints the serial number of the GPS Receiver This...

Страница 88: ...ntly booted Linux kernel either 0 or 1 where 0 is the factory installed kernel and 1 is the upgraded kernel sysosctype Prints the installed system oscillator type which is one of TCXO OCXO or Rubidium...

Страница 89: ...ne 2017 upgradercvrfpga Command that upgrades the FPGA resident on the GPS Re ceiver This command is not available in units shipped before June 2017 upgraderootfs Command that performs the Linux root...

Страница 90: ...this command cpustat This command shows a group of key values for monitoring the health of the Linux CPU and operat ing system status The format is YYYYMMDD HH MM SS LLL FREEkB TT TC Where YYYY is the...

Страница 91: ...installed in a stationary location When the dynamic mode is OFF the Sonoma will use its accurate reference position to implement Timing Receiver Autonomous Integrity Monitoring TRAIM for the utmost in...

Страница 92: ...TAT TFOM YEAR DOY HH MM SS LS LF S NN EFCDAC C No FLTS or LKSTAT TFOM YEAR DOY HH MM SS LS LF S NN AGC EFCDAC C No FLTR FLTS Where LKSTAT is the tracking status of the GPS Subsystem either LOCKED or N...

Страница 93: ...ence Time Local Oscillator Synthesizer Local Oscillator Synthesizer Tuning Char 2 N A GPS Receiver Oscillator PLL GPS Antenna Open GPS Antenna Short Char 3 N A N A N A N A FLTS is the fault status for...

Страница 94: ...62 60 47 3 8 0 0 00 0 00 0 0 9 0 0 00 0 00 0 0 10 0 0 00 0 00 0 0 11 0 0 00 0 00 0 0 12 0 0 00 0 00 0 0 gpsutcinfo This command displays the ICD GPS 200 almanac parameters which are used to relate GPS...

Страница 95: ...d to disable start up of some or all of these e g for security reasons you must run this script as root from either the RS 232 serial I O port or from a telnet or ssh session This script modifies the...

Страница 96: ...take effect Command ntpconfig Sonoma reply Interactive script is started ntpstat This command provides some key information regarding the operation of the NTP daemon It shows the current offset betwe...

Страница 97: ...e UTC timestamp of the most recent update received from the GPS Subsystem MMDD is the month and day of month of the UTC timestamp of the most recent update received from the GPS Subsystem HH MM SS is...

Страница 98: ...wd This command is used to change the password for the user that you are logged in as It affects the serial port SSH Telnet and HTTP passwd is a Linux command that is also described in Appendix C Help...

Страница 99: ...information on EndRun s GPS Receiver Command rcvrversion Sonoma reply F W 6010 0081 000 Ver 1 00 FPGA 6020 0014 000 Ver 01 MAR 24 15 05 36 2015 or rcvrversion command not found If the command is not...

Страница 100: ...s is the factory default setting Set the dynamic mode to ON only if the instrument is installed on a moving platform such as a ship Command setgpsdynmode ON Sonoma reply GPS Dynamic Mode is ON setgpsr...

Страница 101: ...ult setting is ENABLED Command setsigfltmask MASKED Sonoma reply Signal Loss Fault Mask set to MASKED sigfltmask This command displays the current setting for the Signal Loss Fault Mask Command sigflt...

Страница 102: ...ned therein and prints this fixed length generally since grossly unsynchronized states could cause the floating offset field to overflow mo mentarily string having these fields LKSTAT TO GPS Offset S...

Страница 103: ...this command systimemode This command displays the current time mode for any optional Time Code or Serial Time outputs Time modes are UTC GPS and LOCAL The displayed Local Time Offset from UTC and the...

Страница 104: ...stem now set to UPGRADE Command updaterootflag 2 Sonoma reply Default Root File System UPGRADE updatekernelflag This command allows you to update the configuration of the Linux bootloader after a new...

Страница 105: ...t copy the binary FPGA file to tmp rcvrfpga bin The utility starts the X modem file transfer and then displays progress to the console See Appendix B Upgrading the Firmware Performing the GPS Receiver...

Страница 106: ...S o n o m a U s e r M a n u a l 90 C H A P T E R N I N E Command upgradesubsys Sonoma reply Upgrade progress is shown wrt_sw_opt See Chapter 10 Options Software Options for information on this command...

Страница 107: ...ed But software options are also field installable In other words you can enable a software option yourself after you have received your Sonoma First you must obtain an 8 digit license key from EndRun...

Страница 108: ...Port 0 eth0 CPU Module Options Standard rear panel configuration for the CPU Module is the Antenna input the RS 232 connector and two ethernet connectors Refer to Chapter 2 Basic Installation Sonoma P...

Страница 109: ...Inverted 1PPS The Programmable Pulse Output also has a 1PPS selection The 1PPS is a system signal This means that there is one 1PPS signal that affects the whole sys tem In other words if your Sonoma...

Страница 110: ...mmand to view the current setting for the Time Code format Command cpuio Sonoma reply CPU I O A AM TIME CODE OUTPUT is Installed Current Setting See systemio command Command systemio Sonoma reply Syst...

Страница 111: ...0 MHz programmable in 1 PPS steps including 1 544 MPPS or 2 048 MPPS The selected pulse rate is phase locked to the system oscil lator and is not aligned with system time The DDS is a system signal Th...

Страница 112: ...on the CPU Module This command will list any connector that has an optional I O signal Connectors are identified as A B or C Use the sys temio command to view the Serial Time configuration Command cp...

Страница 113: ...is string format that uses Local Time then select the Truetime format EndRun Format The time contained in this string depends on the time mode of the Sonoma For example if you want the time in this st...

Страница 114: ...al U UTC CC is the current leap seconds value FF is the future leap seconds which will show a leap second pending 24 hours in advance CR is the ASCII carriage return character 0x0D LF is the ASCII lin...

Страница 115: ...23 MM is the minute of the hour 00 59 SS is the second of the minute 00 60 CR is the ASCII carriage return character 0x0D The first CR is the on time character LF is the ASCII line feed character 0x0...

Страница 116: ...the time position and fix related data EndRun does not calculate mean sea level Examples are below GPGGA 0 00 M 2B CR LF GPGGA 173423 00 3827 030 N 12244 020 W 1 08 1 2 14 5 M 0000 72 CR LF Msg ID GPG...

Страница 117: ...on channel 3 empty if no SV Field 6 6 PRN of SV used for fix on channel 4 empty if no SV Field 7 9 PRN of SV used for fix on channel 5 empty if no SV Field 8 14 PRN of SV used for fix on channel 6 em...

Страница 118: ...PVTG Field 1 158 14 Course over ground Field 2 T Fixed text T shows degree True Field 3 empty field Course over ground not available Field 4 empty field Degrees Magnetic not available Field 5 0 08 Spe...

Страница 119: ...ive or negative output of the DC power source can be referenced to earth ground This unit will not operate if the connections are reversed however it will not be damaged by a reverse connection SHOCK...

Страница 120: ...sstat command To mask the fault you can use the console commands pwrfltmask and setpwrfltmask Param eters are either Masked or Enabled Setting this command to Masked will prevent a power supply fault...

Страница 121: ...Compensated Crystal Oscillator TCXO Oven Controlled Crystal Oscillator OCXO or Rubidium oscillator The extrapolated TFOM is based on a conservative estimate of the performance of the oscillator and s...

Страница 122: ...S o n o m a U s e r M a n u a l 106 A P P E N D I X A This page intentionally left blank...

Страница 123: ...de as needed IMPORTANT The domain name server IP address is required by the Apache web server When using netconfig see Chapter 9 Console Port Control and Status to configure the TCP IP parameters be s...

Страница 124: ...will be using later to access the Sonoma via its HTTPS interface Use this link to get the file s you want http www endruntechnologies com upgradesonomaG htm After saving the file s use the Sonoma HTT...

Страница 125: ...ing the new image to this device First you need to download the Linux RFS firmware from the EndRun website to a place on your network which is accessible to the Sonoma The link to the Sonoma upgrade p...

Страница 126: ...d your password the system version message will be displayed You should notice that it now indicates the software version and date of the upgrade that you previously downloaded You can also check this...

Страница 127: ...y then you should resolve the problems with the previous root file system upgrade and re perform it Performing the Linux Kernel Upgrade First you need to download the Linux kernel firmware from the En...

Страница 128: ...operating normally you have successfully completed the kernel upgrade If your unit does not boot up successfully and you are not able to telnet or ssh into the system after 90 seconds then there has b...

Страница 129: ...x 000 with your number where x 1 or x 6 You may transfer the file to your Sonoma using either ftp or scp If you are using ftp to perform the upgrade transfer the previously downloaded file using binar...

Страница 130: ...rcvrversion command You will see a response similar to this F W 6010 0081 000 Ver 1 11 FPGA 6020 0014 000 Ver 0004 NOV 28 13 30 20 2016 or rcvrversion command not found If the command is not found th...

Страница 131: ...rsion rcvrversion You should see a message like this F W 6010 0081 000 Ver 1 04 FPGA 6020 0014 000 Ver 01 JAN 28 13 08 52 2013 The firmware version should match that of the binary file that you upload...

Страница 132: ...the transfer If you are using SSH to perform the EndRun GPS Receiver upgrade you may open another com mand window on the remote computer and securely transfer the FPGA image to tmp fpga bin using scp...

Страница 133: ...ll not be able to modify any system settings or view secure files For security reasons we recommend you change the default passwords using the Linux passwd com mand see Change Password below Linux Com...

Страница 134: ...in as It affects the serial port SSH Telnet and HTTPS passwd List Active Processes This command displays all active processes running in the system ps e NTP Monitoring and Troubleshooting The followin...

Страница 135: ...edit file to edit optionally with a file name to edit joe is the modern replacement for edit on the Sonoma It is a full featured editor with syntax highlighting and is also based on the Wordstar comm...

Страница 136: ...rc M file into a location that will ensure your changes persist through a system reset Copy etc rc d rc M to boot etc rc d as shown cp etc rc d rc M boot etc rc d For more details on ethtool and how...

Страница 137: ...take away your freedom to share and change it By contrast the GNU General Public License is intended to guarantee your freedom to share and change free software to make sure the software is free for...

Страница 138: ...saying it may be distributed under the terms of this General Public License The Program below refers to any such program or work and a work based on the Program means either the Program or any deriva...

Страница 139: ...must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every part regardless of who wrote it Thus it is not the intent of this secti...

Страница 140: ...ur acceptance of this License to do so and all its terms and conditions for copying distributing or modifying the Program or works based on it 6 Each time you redistribute the Program or any work base...

Страница 141: ...Free Software Foundation 10 If you wish to incorporate parts of the Program into other free programs whose distribution condi tions are different write to the author to ask for permission For softwar...

Страница 142: ...sion notice appear in supporting documentation and that the name University of Delaware not be used in advertising or publicity pertaining to distribution of the software without specific written prio...

Страница 143: ...lled Apache nor may Apache appear in their name without prior written permission of the Apache Software Foundation THIS SOFTWARE IS PROVIDED AS IS AND ANY EXPRESSED OR IMPLIED WARRANTIES INCLUDING BUT...

Страница 144: ...notice applies as if the text was explicitly included in each file Copyright c 2005 2008 Kendall Correll Aidan Williams Permission to use copy modify and or distribute this software for any purpose w...

Страница 145: ...installa tion and on obtaining a GPS reference position Antenna Location The location of the antenna must be chosen based on having as clear a view of the sky as possible Any obstructions such as buil...

Страница 146: ...nologies com pdf 5050 0015 000 pdf About Coax Cable The GPS signal frequency is considered to be in the microwave range and is highly affected by impedance mismatches and discontinuities in the transm...

Страница 147: ...antenna and preamplifiers are installed For cable lengths less than 700 feet Belden 9104 is accept able Longer runs require Belden 1505A If you are responsible for the GPS installation and you are sup...

Страница 148: ...the world feedback to the antenna and set up oscillation Here is the suggested configuration for an antenna installation with three preamplifiers GPS antenna One foot cable Preamplifier One foot cabl...

Страница 149: ...brate your GPS receiver for maximum timing accuracy In order for the Sonoma to synchronize with maximum accuracy to UTC the delay for the cable and all devices between the antenna and the GPS receiver...

Страница 150: ...Lightning Arrestor 1 nanosecond 0502 0011 000 GPS Signal Splitter 1 nanosecond Fiber Optic Link 3430 0003 000 3430 0004 000 3430 0005 000 Fiber Optic Receiver Fiber Optic Transmitter Fiber Optic Trans...

Страница 151: ...dRun Obtaining A Reference Position Your Sonoma is capable of operation from either an automatically determined GPS reference position or a manually entered GPS reference position If you need to provi...

Страница 152: ...n top of your equipment rack inside your data center Contact EndRun Sales or Support for more information About WGS 84 Height Internally GPS receivers report latitude longitude and height above the WG...

Страница 153: ...137 S o n o m a U s e r M a n u a l I N S TA L L I N G T H E G P S A N T E N N A FIGURE 1A GPS ANTENNA ROOFTOP MOUNTING GUIDELINES SHIPPED AFTER MAY 2017...

Страница 154: ...S o n o m a U s e r M a n u a l 138 A P P E N D I X E FIGURE 1B GPS ANTENNA ROOFTOP MOUNTING GUIDELINES SHIPPED BEFORE JUNE 2017...

Страница 155: ...139 S o n o m a U s e r M a n u a l I N S TA L L I N G T H E G P S A N T E N N A FIGURE 2 GPS ANTENNA ROOFTOP MOUNTING GUIDELINES WITH PREAMPLIFIER...

Страница 156: ...S o n o m a U s e r M a n u a l 140 A P P E N D I X E...

Страница 157: ...onds are inserted from time to time in order to keep UTC which is derived from atomic time TAI in agreement with the Earth s rotation rate Relative to TAI the Earth s rotation rate is slowing down Thi...

Страница 158: ...S o n o m a U s e r M a n u a l 142 A P P E N D I X F This page intentionally left blank...

Страница 159: ...pply option then you may mask primary and or secondary power supply faults See Chapter 10 Options Masking Dual Power Supply Fault Alarms for more information System Fault Definitions System Oscillator...

Страница 160: ...dicates that the GPS antenna or cable has a fault It indicates either an over or under cur rent condition Usually it means that the antenna cable is not plugged into the connector on the rear of the S...

Страница 161: ...explain the inability to receive a signal then there could be an antenna failure or blockage If the condition persists indefinitely and a problem with the antenna is not evident then please contact E...

Страница 162: ...dition short Antenna Open OPEN This fault indicates that the GPS antenna has an undercurrent condition open GPS Receiver Oscillator PLL Phase Lock Loop This fault indicates that there is an unlock con...

Страница 163: ...85 C temperature extremes Mounting via 18 long 3 4 PVC pipe with stainless steel clamps 50 low loss RG 59 downlead cable standard Extension cables and low noise pre amplifiers are available as option...

Страница 164: ...server HTTPS Note See Chapter 8 IPv6 Information for more details PTP IEEE 1588 Grandmaster Option IEEE 1588 2008 v2 with hardware timestamping Version 2 Parameters Default Profile Multicast Two Step...

Страница 165: ...ed 9 Not Connected Size Chassis 1 75 H x 17 0 W x 10 75 D 19 rackmount Weight 8 lb 3 6 kg Antenna 3 25 H x 3 0 diameter shipped after May 2017 or 1 75 H x 2 25 diameter shipped before June 2017 Enviro...

Страница 166: ...Pinout RS 422 Pin 3 is signal Pin 6 is signal Pin 5 is GND See GPS UTC Timing Specifications for details Note To change the pulse width refer to Chapter 10 Options AM Code Output 1 VRMS into 50 1 KHz...

Страница 167: ...in the first 20 microsecs of each second Connector RS 232 Rear panel DB 9M connector labeled SERIAL TIME Pinout RS 232 Pin 3 is Transmit Data Pin 5 is GND Connector RS 422 Rear panel DB 9M connector l...

Страница 168: ...S o n o m a U s e r M a n u a l 152 A P P E N D I X H...

Страница 169: ...153 S o n o m a U s e r M a n u a l S P E C I F I C AT I O N S...

Страница 170: ...S o n o m a U s e r M a n u a l 154 A P P E N D I X H This page intentionally left blank...

Страница 171: ...ifications Changes for Customer Requirements From time to time EndRun Technologies will customize the standard Sonoma Time Server for special customer requirements If your unit has been modified then...

Страница 172: ...S o n o m a U s e r M a n u a l 156 S P E C I A L M O D I F I C AT I O N S This page intentionally left blank...

Страница 173: ......

Страница 174: ...2270 Northpoint Parkway Santa Rosa CA 95407 TEL 1 877 749 3878 FAX 707 573 8619 www endruntechnologies com Smarter Timing Solutions...

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