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Microsemi ATS-6501 T-Flex User Manual Download Page 113

 

DOC 6501_Release V 

 

ATS-6501 Users Guide 

 

105 

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6.2.3  GPS Performance 

There are several factors that could impact the performance of the GPS receiver. 

Summary of Contents for ATS-6501 T-Flex

Page 1: ...ATS 6501 T Flex ATS 6501B T Flex ATS 6501B SAASM T Flex GPS Time Frequency Standard Users Guide Software Version 5 2 X Release V Jan 2017 ...

Page 2: ......

Page 3: ...roduction of the 4395B 1 5 10 and 4385B Correct command for NTP status 1 25 13 WF M Added SNMP Functionality Updated help menu Added configuration not readable alarm Changed to status reference frequency external 04 18 12 WF O Added the ability to recover time without an external GNSS reference Added Timescale commands settings and status Added System Configuration syscfg Files 9 6 2013 KM P Added...

Page 4: ...ion Mode 13 2 3 5 2 Auto Position Mode 13 2 3 5 3 Manual Position Mode 15 2 4 ATS 6501 Installation 16 2 4 1 Power Supplies 17 2 4 2 Input Output Cards 17 2 4 2 1 4394A PPS DC IRIG 17 2 4 2 2 4376A RS 422 PPS 19 2 4 2 3 4394A ECL PPS ECL 21 2 4 2 4 4391 Code Generator 22 2 4 2 5 4395A 10 4395B 10 10MHz Card 29 2 4 2 6 4395A 5 4395B 5 5MHz Card 29 2 4 2 7 4395A 1 4395B 1 1MHz Card 30 2 4 2 8 4387A ...

Page 5: ...55 3 1 Front Panel 55 3 1 1 Power Supply Indicators 55 3 1 2 Alarm Indicator 55 3 1 3 Oscillator Locked Osc Lock Indicator 56 3 1 4 GPS Tracking Indicator 56 3 1 4 NTP Locked Indicator 57 3 1 5 Outputs Enabled Indicator 57 3 1 6 KEY ACTIVE Indicator SAASM 57 3 1 7 ZEROIZE Button SAASM 58 3 1 8 CRYPTO KEY Programming Connector SAASM 58 3 1 9 Fans 58 3 1 10 Flash Card 58 3 1 11 Display Button 58 3 2...

Page 6: ...TP Data Logging 77 3 7 2 Real Time Data Logging 80 3 8 WAAS Satellites Not available in SAASM version 81 3 9 System Verification 82 4 Theory of Operations 96 4 1 Generation of Timing Signals 96 4 2 GPS 96 4 3 Deterministic PLL 6501B only 96 4 4 Output Signals 97 4 5 GPS Data Collection Not available in SAASM Type 1 97 4 6 Startup Sequence 98 5 Maintenance 100 5 1 Internal Inspection 100 5 2 Antenn...

Page 7: ...7 Appendix E System Recovery Without GNSS 193 Appendix F System Monitoring and Control Protocol SMCP 196 F 1 Description 196 F 2 Configuring SMCP 197 F 3 NodeIDs 200 F 4 Troubleshooting 203 F 5 Node_directive Command 204 F 6 PPS Steer Source 205 F 7 IRIG Steer Source 206 Appendix G System Configuration syscfg 208 Appendix H Julian Date Calendars 212 Appendix I Certificate of Compliance 214 Figures...

Page 8: ...Locked Indicator 57 Table 6 Outputs Enabled Indicator 57 Table 7 Key Indicator 57 Table 8 System Command List 67 Table 9 Maintenance Schedule 100 Table 10 Troubleshooting Summary 120 Table 11 Parent Node Types 201 Table 12 Child Node Types 202 Table 13 2000 Series Chassis Node Types 203 Table 14 3000 Series Chassis Node Types 203 Table 15 6300 Series Chassis Node Types 203 Table 12 Node Directives...

Page 9: ...s a must the ATS 6501 is capable of operating from an AC 100 240VAC 50 60 Hz or DC Power 48 VDC SELV type 18 to 60 VDC source and comes with two fully redundant power supplies The unit is capable of operating from a single supply in the event one of the two power supplies fails The ATS 6511 is a fiber distribution system that derives its references and stability from at least one ATS 6501 The ATS ...

Page 10: ...rnal frequency reference as well as steer the internal reference based upon the clock offset and GPS measurements Option S00 SAASM Unit Replaces the Standard L1 L2 GPS Receiver with the SAASM version The unit will also have the internal Rb as well as the front panel flash Input Output Cards The ATS 6501 has a wide selection of input output cards available 1 4376A RS 422 1PPS Card 4 PPS Output Card...

Page 11: ...s a serial communications port to an external frequency reference i e 5071A Formerly P N OP002 TSC 4340AS 8S 1 U fiber expansion chassis with single mode input and 8 single mode outputs TSC 4340AM 8M 1 U fiber expansion chassis with one multimode mode input and 8 multi mode outputs Notes 1 The correct Microsemi part number is constructed by appending the desired options to the base model in alphab...

Page 12: ... test then either turn off or green to indicate the receiver s Key status B One at a time each position of the display will display the number 8 starting from the far left and working to the right C Each LED below the Date Time Display Alarm Oscillator Locked GPS Tracking NTP Locked Outputs Enabled will be turned on one at a time starting from the left to right As each LED is tested it will be gre...

Page 13: ...he ATS 6501 prompt is displayed run the network_config command to manually configure the IP address for the unit See Section 2 2 3 If the network does not have a DHCP Server press and hold the front panel display pushbutton for 10 seconds until the display shows the IP Address of 192 168 0 1 This temporarily sets the IP Address of the unit Telnet into the system using telnet 192 168 0 1 1700 Once ...

Page 14: ... must be turned off if this is not the desired behavior 2 2 3 Setting a Static IP Address Use the following steps to set the IP Address on the ATS 6501 A Telnet into the system telnet ip addr 1700 or connect to the unit via the OP001 Command Port Cable and the ATS 6501 prompt should appear B Use the network_config command and options to set the system to the desired network settings network_config...

Page 15: ...ll configuration may be found here http www freebsd org doc en books handbook firewalls ipfw html The suggested hardened firewall rules are bin sh cmd sbin ipfw q add sbin ipfw q flush This example file demonstrates how to allow ssh 22 access from everywhere allow ntp 123 access from everywhere allow snmp 161 access from everywhere ensure the device can talk to itself cmd pass all from any to any ...

Page 16: ...section 2 2 3 B C The system will automatically connect to the command port and provide the ATS 6501 command prompt The ATS 6501 to communicate with a 5071A Cesium Clock 94001 5071A See section 2 6 Note Microsemi recommends if you are going to use these cables they should be plugged into the unit when it is powered on If not power the unit down connect the desired cable s and power the unit back u...

Page 17: ... possible due to the cable type or length of cable then additional in line amplifiers will be need to be installed or you will need a cable type with less loss The antenna included with the ATS 6501 has a mounting screw on the bottom The screw allows the antenna to be easily and securely mounted on a 5 8 coarsely threaded rod Threaded rods are available at most hardware stores and will need to be ...

Page 18: ... path or you will need to run an antenna cable with less loss A line amplifier is a device used to amplify the GPS signal to overcome the losses resulting from longer cable runs In selecting a line amplifier it is necessary to make sure that it provides an adequate amount of gain and that it operates from 1200MHz to 1600MHz E The amount of gain required from a line amplifier can be calculated by k...

Page 19: ...and rain snow and dust When selecting the mounting location for the antenna try to find a location that will not become buried in snow and or covered by foliage Keep the top surface of the antenna clean and brush off any ice and snow to ensure your antenna performs optimally In addition ensure the connector remains clean and dry 2 3 2 Setting the Antenna Voltage The ATS 6501 is capable of providin...

Page 20: ...eading indicates the voltage being provided to the antenna If no voltage is present then the antenna is not being powered by the ATS 6501 E If this setting is correct type save to save the current user default configuration on the system to ensure the system provides the proper antenna voltage after a reboot or power cycle 2 3 3 Outdoor Antenna Grounding If an outside antenna is connected to the A...

Page 21: ...system default mode is dynamic Users at static locations should change this to auto or manual based on the information provided below 2 3 5 2 Auto Position Mode The Auto mode is recommended for static locations where the antenna location has not been surveyed When using the Auto mode the ATS 6501 will automatically determine the location of its antenna It does this by averaging its calculated posi...

Page 22: ...tion period and will become significantly quieter when the antenna position is fixed In addition to automatically determining its antenna location the ATS 6501 generates a RINEX Receiver INdependent EXchange format observation file not presently provided on the SAASM Version This file format is a standard used by the GPS community and provides all the necessary GPS measurements for determining the...

Page 23: ...n incorrectly the system will indicate it is tracking satellites in the status output however the system may show the gps status as not tracking both in the status results and the front panel To correct this problem ensure the position is entered correctly if this does not work set the unit to the auto position mode and re survey the antenna position ATS 6501 status gps satellite number 9 OK 2013 ...

Page 24: ...ATS 6501 settings gps datum wgs84 OK 2013 08 05T15 43 31Z The operator also has the option of setting the manual mode and entering all three parameters on the same command line using the fix_position current lat lon alt command ATS 6501 fix_position 38 46627893094 77 44086542274004 51 573999999999998 Warning If the operator uses this command and does not provide any of the arguments the unit will ...

Page 25: ... physical location in the chassis The view below is from the rear of the unit from left to right Slot 1 Slot 3 Slot 5 Slot 2 Slot 4 Slot 6 Figure 3 Rear Panel Output Card Locations Each input output card has four connectors with the port number identified as shown below in Figure 4 See Appendix A for the specifications of each card Figure 4 Input Output Cards 2 4 2 1 4394A PPS DC IRIG The factory ...

Page 26: ...lot port pulse period pulse width ERROR 2013 08 05T15 53 07Z To verify the settings use the settings hardware slots N command where N Slot to obtain the current settings for a particular card ATS 6501 settings hardware slots 1 tsc4373 ports 1 pps_period 1 000000000000000e 00 pps_width 1 000000000000000e 04 type pps 2 pps_period 1 000000000000000e 00 pps_width 5 000000000000000e 01 type pps 3 forma...

Page 27: ...s working properly use the status hardware outputs slots N command where N Slot to obtain the current settings for a particular card ATS 6501 status hardware outputs slots 1 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4394A OK 2013 08 05T16 03 59Z Warning The user configuration for the specific output formats are stored on the system itself Replacement modules ...

Page 28: ..._period 4 For PPS rates where half the duty cycle is less than 10 µs the pulse_width must be exactly one half the pulse_period See example above The system will generate an error message if the values are not correct or entered improperly Usage slot port pulse period pulse width ERROR 2013 08 05T15 53 07Z To verify the settings use the settings hardware slots N command where N Slot to obtain the c...

Page 29: ...lowing example sets the PPS on Slot 1 Port 2 to 1PPS and the pulse width to 10us ATS 6501 pps 1 2 1 1e 5 OK 2013 08 05T15 52 31Z The following rules apply 1 PERIOD period of pulse in seconds max of 1 min of 1e 6 2 WIDTH pulse width in seconds minimum of 5e 7 3 For PPS Rates where the duty cycle is 10 µs or greater the pulse_width must be a multiple of 10 µs at least 10 µs wide and at most half the...

Page 30: ...ormat as long as the replacement card is installed in the same slot Moving the output module to a different slot causes the system to configure the module with the default output format s until that card slot is properly configured by the user 2 4 2 4 4391 Code Generator The 4391 Code Generator is capable of generating user defined bit streams with a known relationship to UTC The code generation s...

Page 31: ...sion of txt are treated as ASCII formatted bitcode files unless otherwise specified by the operator All other files shall be treated as binary formatted bit code files unless otherwise specified by the operator The Legacy format supports the files used with the TSC 2152B Clock This command configures one or both of the bit generator clocks on a 4391A output card Syntax ATS 6501 bitcode_clock bitra...

Page 32: ...0000000e 00 enabled true 2 bit_rate 4000000 delay 0 000000000000000e 00 enabled true OK 2014 04 29T15 50 07Z Memory Block This command shall assign a memory block to one of the 4 8 megabit memory blocks of a 4391A output card The application software will manage the file I O download firmware validation and retry if necessary To set the card parameters use the bitcode_memblock command and specify ...

Page 33: ... downloaded BLOCK must be an integer between 1 and 4 Bit Code File Formats Binary Format Binary format bit code files shall be treated as an array of data bits The data bits shall be ordered from the least significant bit of the first byte in the file to the most significant bit of the final byte in the file ASCII Format ASCII format bit code files shall be treated as an array of 8 bit characters ...

Page 34: ...r more bit generator streams on a 4391A output card To set the Stream parameters use the bitcode_stream command and specify the clock 1 2 the data block memory block square the slot 1 6 and a comma delimited stream list Users can enable disable the stream using the enable 0 off or 1 on Syntax ATS 6501 bitcode_stream clock CLOCK data BLOCK square enable true false SLOT STREAMLIST o clock Bit genera...

Page 35: ...owing error message shall be displayed Streamlist must be a comma delimited list of integers between 1 and 4 The following example sets streams 2 and 4 to clock 2 using data type square on slot 5 ATS 6501 bitcode_stream clock 2 data square enable 1 5 2 4 OK 2014 04 29T16 17 53Z The following example has slot 5 stream 3 running on clock 1 and sending the data from memory block 1 ATS 6501 bitcode_st...

Page 36: ...s Must be none zeroes or ones If not specified the blanking mode shall remain unchanged If not specified the enable state s shall remain unchanged If the specified blanking mode is not none zeroes or ones the following error message shall be displayed Blanking must be none zeroes or ones o enable Enables or disables the specified port s If disabled an output is electrically isolated from its assoc...

Page 37: ...e modules will also work in any of the 6 card slots To verify these cards are working properly use the status hardware outputs slots N command N slot number to obtain the current status for a particular card ATS 6501 status hardware outputs slots 3 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4395A 10 OK 2013 08 05T16 06 29Z 2 4 2 6 4395A 5 4395B 5 5MHz Card No ...

Page 38: ...r the NASA36 Serial Time Code Valid AM IRIG Codes are A 130 133 137 B 120 123 127 E 111 112 121 G 141 142 147 and H 111 112 121 122 127 The default time code is B120 The 4387A 6V module provides 6 Vpp output signals IRIG To set the IRIG Code for the individual ports use the irig command ATS 6501 irig slot port Code A H Code Format NNN epoch The following example sets the IRIG Code for Slot 5 Port ...

Page 39: ...a36 slot port The following example sets the Time Code for Slot 5 Port 3 to NASA 36 ATS 6501 nasa36 5 3 OK OK 2013 08 05T16 41 25Z The system will generate an error message if the operator attempts to enter an unsupported or invalid code To verify the settings use the settings hardware slots N command where N Slot to obtain the current settings for a particular card ATS 6501 settings hardware slot...

Page 40: ... a particular card ATS 6501 status hardware outputs slots 3 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4397A OK 2013 08 05T16 06 29Z 2 4 2 10 4394A T1 1 544MHz Output Card The 4374A module produces a 1 544 Mbps T1 DS 1 compatible output Each port can independently be set to one of four output configuration options Mode 0 B8ZS ESF packets Default Mode 1 1 544 M...

Page 41: ...atus for a particular card ATS 6501 status hardware outputs slots 3 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4374A OK 2016 10 03T16 57 24Z 2 4 2 11 4372A T Fiber Output Card Two Way No programming is required for this module This module will work in any of the 6 card slots To verify the card is working properly use the status hardware outputs slots N command...

Page 42: ...ion of the software on the ATS 6501 and you install at 4372A T card the system will display an alarm condition The hardware status will show the slot has a 4372A T card installed and the card has a hardware error and the downstream devices on that card will not be able to sync to that fiber input 2 4 2 12 4393A Time Interval Counter TIC Card This module has four input ports that can be used to mea...

Page 43: ...active to select another source or IRIG format use the irig_input command If the IRIG Source does not provide the year as part of the time code message i e B000 B120 the user can specify the year with the command ATS 6501 irig_input slot port irig type year To verify the system settings use settings hardware slots N where N the slot where the card is installed 6501A_61 settings hardware slots 6 ts...

Page 44: ... 141 and the epoch to UTC The epoch option is not required to properly execute this command and can be left off the command line ATS 6580 irig 3 3 G 141 utc OK OK 2013 08 05T16 35 12Z The system will generate an error message if the operator attempts to enter an unsupported or invalid code Note The system currently supports the UTC or GPS Epochs The IRIG Code and format can vary by port however th...

Page 45: ...tion levels specified in Appendix A as long as the user installs the antenna at a surveyed location If a surveyed antenna location is not available the ATS 6501 can be used to survey the location See Section 2 3 5 on determining the antenna position A coarse calibration of the ATS 6501 is accomplished by accounting for the individual system delays and combining them to determine the overall delay ...

Page 46: ...is reason it is important to select an appropriate OTP so that the desired timing signals are accurate when they reach the user This section describes calibration of the ATS 6501 assuming that the OTP of the system is the rear panel of the ATS 6501 This is not generally a convenient location for the OTP of the system because there will be a delay associated with the distribution of the signals to ...

Page 47: ... to begin providing outputs within their specifications Figure 6 External Frequency Reference Current status can be determined using the status reference frequency external command ATS 6501 status reference frequency external communications N A locked true signal present OK 2013 08 05T17 17 08Z signal missing 10MHz reference signal is not present Do NOT select the reference type as External cannot...

Page 48: ... Make sure you select the proper reference_type before switching to external 2 7 3 Unmonitored Clocks If users are operating with a High Performance 5071A or maser and they are not monitoring the hp5071a set the reference_type to cesium or maser respectively ATS 6501 reference_type cesium maser OK 2013 08 05T16 51 17Z 2 7 4 Selecting the External Reference Use the status reference frequency extern...

Page 49: ...cks plugged into the 4393 1 PPS measurement module as the frequency reference enhancing timing performance and system redundancy Clocks must be added via the add_clock command and the timescale filter reference must be set before the timescale will function The time scale reference setting utilizes the 1 PPS measurements from the 4393 module to create an internal coordinated time scale CTS which s...

Page 50: ...ext step in setting up the system is to select one of the clocks entered using the add_clock command to be the reference for the filter by using the timescale_filterref command timescale_filterref Test1 Example Settings for Type Cesium ATS 6501 settings reference timescale clocks Test1 comm comm_addr N A comm_type N A id 1365 kas2 filter_member true local true sbeta 2 000000000000000e 11 smu 1 950...

Page 51: ..._type ip id 0001 kas2 filter_member true local true sbeta 2 000000000000000e 11 smu 1 950000000000000e 01 sxi 3 650000000000000e 01 szeta 0 000000000000000e 00 weight_member true weight_type 0 port 2 slot 4 type hp5071a kas2 avgfiltermax 0 tsepoch 0 tsfiltermax 2 tsfilterref Test1 tsinterval 900 tstimeconstant 900 OK 2013 09 04T23 41 41Z Setting the operating mode to timescale is accomplished usin...

Page 52: ...01 OK 2013 09 04T23 54 37Z Example Status for Type hp5071a ATS 6501 status reference frequency timescale clocks Test1 1_pps_present_slot_4_port_1 true communications good device_status can_communicate true electron_multiplier_voltage 1 219000000000000e 03 locked true osc_freq_control 3 500000000000000e 02 power AC serial_number 3839A00621 S signal_gain 1 440000000000000e 01 id 1365 Test2 1_pps_pre...

Page 53: ...d sets the system time If the time code selected from the irig_input command does not provide the year the user must specify the year on the command line Date Time Allows the user to specify the date and time in the yyyy mm dd hh mm ss format NTP Server The system obtains the time from an NTP Server and sets the system time Enter the IP address of the remote NTP Server If for any reason the system...

Page 54: ... dpll_phase 0 steer_source manual reference_type clock type reference external save 5 Power Cycle the ATS 6501 a Let the Osc Lock light come on b Telnet to the ATS 6501 command port 1700 c Use the force_time command to set the system time d Let the Outputs Enable light come on before proceeding 6 Connect to Port 2101 and look at the measurement for the 1PPS Offset use that value to remove the offs...

Page 55: ...Id 10 Config Self NodeType 3 Config Self PollRate Config Self PollRate Alarm 30 Config Self PollRate State 30 Config Self PollRate Inventory 120 Config Parents Config Children Config Measurement Config Measurement 0 Config Measurement 0 Name tic1 Config Measurement 0 Type Time Config Measurement 0 Timescale UTC Config Measurement 0 NodeId 1 Config Measurement 0 StreamId 5 Config Measurement 0 Reso...

Page 56: ...he system is not tracking GPS This can be done by setting the timeout to ZERO ATS 6501 gps_tracking_timeout 0 To confirm the system settings use the settings gps tracking_timeout command 6501A_61 settings gps tracking_timeout 0 OK 2015 02 03T19 11 19Z Warning Setting the timeout to zero is only recommended with time sources other than GPS This setting will inhibit the GPS Tracking alarm even if th...

Page 57: ... the settings command to ensure the system is using the desired settings based on the newly loaded configuration file ATS 6501 save example OK 2013 08 05T17 22 04Z ATS 6501 list example default OK 2013 08 05T17 23 34Z ATS 6501 load example OK 2013 08 05T17 24 27Z Note The ATS 6501 will recognize case sensitive alphanumeric characters and _ If any other characters are used the system will inform th...

Page 58: ... default log file settings simply type save_logs ftp or save_logs rt To see if the user settings have been saved use the list_logs ftp or list_logs rt command to obtain a list of the possible configuration files If there are no user configuration files available the system will report no files ATS 6501 list_logs ftp ATS 6501 list_logs rt default default or if there are no log settings files ATS 65...

Page 59: ... fields FTP RANGEA COM1_5 0 58 5 FINE 1518 243060 000 00a00008 5103 3311 20 21 RXHWLEVELSA COM1_5 0 58 5 FINE 1518 243060 000 00a00008 WAAS9A COM1_5 0 54 5 SATTIME 1518 243239 000 00a00008 Real Time GPGGA 200240 00 3827 9772032 N 07726 4522017 W 9 08 1 5 51 663 M 03 0138 14 GPGGA 200241 00 3827 9771961 N 07726 4521871 W 9 08 1 5 51 692 M 03 0138 1C GPGGA 200242 00 3827 9771900 N 07726 4521733 W 9 ...

Page 60: ...tioning mode to alert you if someone places the unit in the incorrect positioning mode To modify the file there are three fields used to set each monitored parameter up The first is the address which is the exact value reported on port 1900 for the field you wish to monitor in the example it is monitoring the longitude for the GPS receiver The second field is the expected value what are you expect...

Page 61: ...e standalone Set Mode OK 2013 09 05T23 53 17Z Once the system has been set up for the correct mode use the save command to save the current system settings and the system will use these settings after a power cycle restart or reboot 2 10 5 Node Configuration File node cfg The Node Configuration file allows users to set up measurement sources calibrate those measurement sources and perform math fun...

Page 62: ...PollRate Inventory integer ValueTreeTypes PortNumber integer ValueTreeTypes ProtocolVersion integer The CONFIG section of the file is used to set the nodeid which must be unique and the nodetype See the table in Appendix F Config Config Self Config Self ProtocolVersion 1 Currently Version 1 Config Self NodeId 2 Uniqe ID for each system in the architecture Config Self NodeType 1 See Table in Append...

Page 63: ...iming specifications More detailed status information can be retrieved using the status command on the Command Port Figure 7 ATS 6501 Front Panel Figure 8 ATS 6501 SAASM Front Panel 3 1 1 Power Supply Indicators Each power supply has a front panel indicator that provides the operator an instant visual indication of the supply status Power Supply 1 is on the left power supply 2 is on the right as v...

Page 64: ...071a 10MHz input from the external reference is missing Green Internal The rubidium reports that it is functioning properly and the OCXO is being steered External ATS 6501 is able to communicate with the external reference if 5071A and the 10MHz signal from the reference is available on the 10Mhz In connector reference_type 5071A or Cesium Red POST only Table 3 Oscillator Locked Indicator 3 1 4 GP...

Page 65: ...cification Green NTP server is providing time that meets specification based on the GPS Constellation or the user selected time source force_time Red POST only Table 5 NTP Locked Indicator Note This indicator will go out when the unit is restarted or rebooted this is normal 3 1 5 Outputs Enabled Indicator This indicator provides the operator a visual indication regarding the output modules install...

Page 66: ...se when the fans are functioning normally and true for one or both fans if they are not If a fan is having issues you will see the number of occurrences increment up from 0 as each event occurs 3 1 10 Flash Card This card contains the operating system software application and user settings for the system 3 1 11 Display Button When pressed this button will display the ATS 6501 s current IP Address ...

Page 67: ... 6501 are at least one power source and a GPS Antenna GPS is the source of time UTC for the unit and the ATS 6501 will not start up normally without it Once at least four satellites have been acquired the unit will continue to output timing signals even when the GPS antenna is removed However the accuracy of these outputs will degrade over time Users can start the system up without GPS using an ex...

Page 68: ...N Do NOT remove the software flash while the unit is on it may cause an unrecoverable error on the flash rendering the system inoperative GPS Receiver Users can obtain the current GPS firmware version by sending the status gps model command ATS 6501 status gps model hw_version OEMV3G 4 01 X2T name L12LV serial_number DAB08410131 sw_version 3 701 OK 2013 08 05T21 07 04Z WARNING GPS Firmware sw_vers...

Page 69: ...1 software can be updated remotely over the network Users can download the new software image onto the flash and run the software_update command to load the new software onto the flash Once the software has successfully been updated the system will automatically reboot The system network and user configuration files will be saved and reloaded onto the new software image and you will not need to se...

Page 70: ...mand words 0x03a50301 0x00000000 common_updater sh FPGA warmstart register has been cleared a coldstart will occur common_updater sh Cleaning up temporary files and flushing all data to disk common_updater sh Setting bootable flag in partition 2 common_updater sh UPDATE SUCCESSFUL Outputs disabled Warm start successfully disabled Rebooting OK 2013 08 05T15 17 53Z 4 Once the update is complete the ...

Page 71: ...r and status LED are working properly If the Key Status LED is solid green press the zeroize button and ensure the KEY STATUS LED turns off indicating there are no longer keys in the GPS receiver 3 4 User Interfaces Software interfaces on the ATS 6501 are limited in their ability to provide users with real time control Adjusting some system parameters during operation of the ATS 6501 can seriously...

Page 72: ...list all commands Proper format is to proceed the command with help h or help command quit Closes the command connection and terminates the telnet connection Status Commands show Shows the current system factory config user configuration settings network network and system status status values This command is the equivalent of sending these 4 commands at the same time status Shows the values of al...

Page 73: ...nt position_period Set GPS auto positioning period position_period period h ours default or m inutes position_mode Set GPS position mode position_mode auto manual dynamic antenna_delay Sets GPS antenna delay in seconds antenna_voltage Set GPS antenna voltage 0 5 12 mask_angle Set mask angle mask_angle degrees datum Set GPS datum Default wgs84 option nad83 gps_tracking_timeout Set GPS tracking lost...

Page 74: ...the reference input pps Allows the operator to set the PPS parameters on the 4394A and 4394A ECL Cards nasa36 Allows the operator to enable the Nasa36 time code on the selected 4387A AM IRIG card port t1 Allows the operator to select one of four operating modes on the 4274A T1 card ports Clock Commands add_clock Add a clock to the timescale config_clock Change settings of a timescale clock edit_cl...

Page 75: ... Console Cable The ATS 6501 is a DTE device utilizing the RS232 communication protocol Settings for the port are 115 200 baud 8 data bits 1 stop bit no parity and no flow control It is sometimes necessary to access the system via the USB port because the ATS 6501 may not be accessible via the network until the IP Address has been set 3 4 3 3 Diagnostic Port 1800 The ATS 6501 provides an IP port to...

Page 76: ... can modify these settings as needed and are able to save these settings to the default start up if desired by typing save These settings can also be saved to a different configuration file if desired by typing save and providing a configuration filename tagps is included to enable customer data collection for Time Augmented GPS 3 4 3 4 Status Port 1900 This port provides users with real time syst...

Page 77: ...the average was computed This value plus the number of seconds provides the time stamp when the average was computed sd X XXXXXX ns Standard deviation of the measurement 3 4 3 6 Raw TIC Data Port 2101 This port provides users with raw measurement results from each of the 4393A TIC Cards installed in the ATS 6501 The measurements will only be available for the port s on the card s that detect a 1PP...

Page 78: ... server is a stratum 1 server To check the status of the internal NTP Server telnet into port 1700 and use the status reference ntp command locked true indicates the system is providing accurate time false indicates it is not The source should indicate that it is using the internal reference clock The ATS 6501 is capable of supporting 100 NTP Clients ATS 6501 status reference ntp locked true sourc...

Page 79: ...c0db97e14153a5996b387d00ad3c3f3200658 SHA1 key 13 SHA1 5a82ff1f9f10f90c55afe02cc23c0f140b0f820f SHA1 key 14 SHA1 25db69fff5a89a644f170b605bc35ce6faef9624 SHA1 key 15 SHA1 010a71ad5d3a0f286927df6a02324c27417702be SHA1 key 16 SHA1 8f0b9906bd1318c9f4cfd3799fcf260fdd451c4f SHA1 key 17 SHA1 fd92f8261305d869335afa536133d28cc4b778e5 SHA1 key 18 SHA1 36b12bbed0b4d5d2a610e4e778d1e13d3a216910 SHA1 key 19 SH...

Page 80: ...te 23979 adjust time server 192 168 150 62 offset 0 005400 sec You can test the shared key authentication with ntpdate and by specifying a keyfile and the key in that keyfile a 1 in this example ntpdate q a 1 k key file name d ip address of host ntpdate q a 9 k 62_ntp keys d 192 168 150 62 6 Oct 21 37 42 ntpdate 24200 ntpdate 4 2 6p5 1 2349 o Tue Apr 14 08 08 40 UTC 2015 1 Looking for host 192 168...

Page 81: ...or monitoring the status of multiple devices When polled by the NMS the ATS 6501 retrieves the desired system information and provides it to the NMS 3 4 6 1 Management Information Base MIB The MIB files describe the structure of the management data of a device subsystem and are stored on the ATS 6501 in the MIBS subdirectory of the FTP directory They can be retrieved from the unit via a FTP client...

Page 82: ...ccess 3 4 6 4 Testing SNMP3 The MIB files are loaded on the system and can be retrieved from the ATS 6501 using FTP FTP to the unit using user password ftp cd to mibs and get the file for the unit you are uing ftp 192 168 150 60 Connected to 192 168 150 60 21 220 6511A_60 FTP server Version 6 00LS ready Name 192 168 150 60 21 km ftp 331 Guest login ok send your email address as password Password 2...

Page 83: ... 3 4 8 2 to load the desired key new or default onto the remote server 3 4 7 2 Transferring a SSH Key The SSH keys are located in the root ssh directory To allow a client to connect to this unit Use the scp command to copy the public key file root ssh id_rsa pub to your account on the remote server host To do so enter the following command scp root ssh id_rsa pub user hostname Paste the contents o...

Page 84: ...Step 4 Return the etc nsswitch file back to its original state 3 6 Status Command The ATS 6501 provides overall system status health and measurement results via the status command available on the command port 1700 For more detailed information and a description of the fields refer to Appendix B Status provides a sequence of field names to distinguish various devices and information from one anoth...

Page 85: ...d can be one of any of the ASCII logs specified in the Novatel OEMV user manual To set up data logging users will need to follow the steps outlined below to set up the type of data to be logged log file intervals maximum number of log files to store set up the filename schema set the file compression on or off and then turn the logging on Users can also verify the data logging configuration settin...

Page 86: ...and characters to uniquely identify the file name Note When the files are stored using the user option the filename will not end with a gz extension even if the compression is turned on b When using the timestamp file naming scheme the files are written out at the log_interval setting and time stamped starting with the last two digits of the year two digit month two digit day two digit hour and tw...

Page 87: ...ble command ATS 6501 log_enable ftp 1 OK 2013 08 07T20 55 37Z Once the data logging is enabled the settings gps_logging ftp enable value will true Users can make changes to the desired information that is being logged by using the log command to add logs as described above or delete a desired log using the unlog command To delete the desired data type use the unlog ftp datatype command to remove t...

Page 88: ... To set up the real time data logging users will need to follow the steps outlined below to set up the type of data to be logged and then turn the logging on Users can also verify the data logging configuration settings A Telnet into the command port 1700 B Use the log rt novalog command to set up they data type to be sent over the data port The novalog text on the command line specifies which dat...

Page 89: ...etup the system will come back up with the factory defaults when the system is rebooted restarted or power cycled and any changes that were made will not be retained Users can also save these settings to a different configuration file if desired by adding the filename to the save_logs rt command 3 8 WAAS Satellites Not available in SAASM version The ATS 6501 is capable of tracking up to two of the...

Page 90: ...osition gps auto_positioning This only applies when the position_mode auto and time_remaining 8 hours 26 seconds the system has not completed the survey mode desc tracking value 4 model hw_version OEMV3G 4 00 X2T name L12LV serial_number DAB08190172 sw_version 3 400 position alt 4 999890000000000e 01 fixed false Auto position mode position_period has not expired lat 3 846628110427000e 01 lon 7 744...

Page 91: ...al freq field indicates whether single frequency or dual frequency measurements are being received from the receiver If only single frequency measurements are being received then check the antenna and make sure that it is the Novatel L1 L2 antenna included with the unit If you are not using the supplied antenna the system may be connected to a single frequency L1 antenna E Both fans should be oper...

Page 92: ...000000000e 08 remote_device 6511 remote_network_status 00 00 00 00 00 00 00 00 serial_number 161850 unit_status 00 00 00 00 00 input_status signal_detect true tx_fault false xcvr_present true status good power enabled type 4372A T Note Slots 1 6 will display information based on which slots have cards in them and what type of cards are installed If a card is not installed the type will be empty Sl...

Page 93: ..._step active false occurrences 0 clock_phase_step active false occurrences 0 clock_starvation active false occurrences 0 clock_steer active false occurrences 0 clock_wander active false occurrences 0 fan 1 active false occurrences 0 2 active false occurrences 0 firmware_version_mismatch active false occurrences 0 gps_communication_error active false occurrences 0 gps_error active false occurrences...

Page 94: ...so they will always have a date of 1 Jan 1998 K Each port 1 4 on each output module 1 6 should have zero active errors and the outputs disabled and outputs unlocked active blocks should be false The power supply 0 1 active blocks should also be false output_modules 1 active false occurrences 0 ports 1 active false occurrences 0 2 active false occurrences 0 3 active false occurrences 0 4 active fal...

Page 95: ...s 1 active false occurrences 0 2 active false occurrences 0 3 active false occurrences 0 4 active false occurrences 0 6 active false occurrences 0 ports 1 active false occurrences 0 2 active false occurrences 0 3 active false occurrences 0 4 active false occurrences 0 outputs_disabled active false occurrences 0 over_temperature active false occurrences 0 power_supply 1 active false occurrences 0 2...

Page 96: ...848e 10 warmstart_time N A N The leap seconds block should reflect the current of leap seconds 10 The effective time should reflect the of seconds since 1970 the current leap second occurred The future leap second value should equal the current value unless there is a leap second pending leapseconds current 35 effectivity_time 2014 01 01 00 00 00 future 35 O The system should show that NTP is lock...

Page 97: ...s a 4393A Card that is actively making measurements the system will report those measurements as they are computed for each channel The system will update the status when the ptd_avg expires and the averaged values are computed tic_measurements channel 31 1 317307692300000e 08 32 1 461538461500000e 08 33 1 432692307700000e 08 34 1 916666666700000e 08 S The system will report when the status messag...

Page 98: ...00e 00 enabled true 2 bit_rate 3 999999999999915e 06 delay 0 000000000000000e 00 enabled true crc_engine_busy false memblocks 1 bit_count 8000000 crc16 value 0xAB52 word_address 0x00000000 word_count 0x0007A29C state ready state_text n a 2 state unassigned state_text n a 3 state unassigned state_text n a 4 state unassigned state_text n a ports 1 alarm_text n a status good 2 alarm_text n a status g...

Page 99: ...fo software info tagps info timecode info tsc4370 info tsgather info warmstart info gps antenna_delay 2 374500000000000e 07 antenna_voltage 0 000000000000000e 00 datum wgs84 mask_angle 1 000000000000000e 01 positioning auto_hours 1 200000000000000e 01 manual_position altitude 1 957604000000000e 02 latitude 3 992277932811000e 01 longitude 7 758567672868000e 01 mode manual tracking_timeout 1800 gps_...

Page 100: ...1 pps_period 1 000000000000000e 00 pps_width 1 000000000000000e 04 type pps 2 pps_period 1 000000000000000e 00 pps_width 1 000000000000000e 04 type pps 3 format B signal_word 0 type irig 4 format B signal_word 0 type irig 2 tsc4373 ports 1 pps_period 1 000000000000000e 00 pps_width 1 000000000000000e 04 type pps 2 pps_period 1 000000000000000e 00 pps_width 1 000000000000000e 04 type pps 3 format B...

Page 101: ...rce external smcp syscfg mode standalone OK 2013 08 08T14 31 37Z W If installed verify the settings for the 4391 card are correct tsc4391 clocks 1 bit_rate 8000000 delay 0 000000000000000e 00 enabled true 2 bit_rate 4000000 delay 0 000000000000000e 00 enabled true memblocks 1 bit_count 8000000 file_format binary file_name 1m_othdrtrl bin 2 bit_count 0 file_format binary file_name 3 bit_count 0 fil...

Page 102: ...the ftp logging is enabled If in the auto positioning mode the rinex file will be available after the auto_positioning period has expired The real time logs will be available on Port 1135 Z TIC Measurements will be available Raw 2101 Avg 2100 if one or more 4393A cards are installed and there are 1PPS signals detected on the input ports AA If operations are normal and the setup is proper type save...

Page 103: ...DOC 6501_Release V ATS 6501 Users Guide 95 ...

Page 104: ...ovide a 10 MHz signal from the 100 MHz internal clock This D A output is then filtered and distributed to the four outputs of the plug in card The FPGA which is clocked by the 100 MHz TCXO provides 1 PPS and serial time codes which are used by the 1 PPS DC IRIG and AM IRIG cards to produce 1 PPS and IRIG time codes 4 2 GPS The GPS receiver locks its internal reference to the 10MHz signal provided ...

Page 105: ...ber signal When shipped from the factory the ATS 6511A will automatically switch to input B upon loss of input A If input A becomes good again the unit will automatically switch back to input A after input A is detected as good for 60 seconds The user can select manual switching or disable the automatic return to input A as a reference after input A has failed The output cards for the ATS 6511A ar...

Page 106: ...nternal Rb is generally warm and operational within 10 minutes but external references may take longer Once the frequency reference is operational the front panel indicator OSC LOCK will illuminate green This indicates that the frequency reference is the ATS 6501 is locked to the frequency reference and the startup operations will continue Once the frequency is locked the GPS receiver is restarted...

Page 107: ...gnals serve as the time base for the Time Codes System time is sent by the CPU to the Time Code generator to indicate what time is associated with the received PPS signal This information is then used to produce the user factory defined time codes ...

Page 108: ...an internal inspection of the ATS 6501 1 Shut the system down 2 Remove the top of the ATS 6501 3 Visually inspect the various components and make sure that an excessive amount of dust is not present Excessive dust can be removed by using compressed air or vacuum cleaner to clean the electrical components of any accumulated dust 4 Use a vacuum cleaner to clean the fan filter of any accumulated dust...

Page 109: ...mulating dust inside the unit as well and allows the fans to provide the proper level of cooling for the internal components It is important to keep this filter clean to allow the proper level of air flow to prevent the system from overheating To clean the filter 1 Remove the fan assembly from the front by loosening the two captive screws 2 Remove the filter from the fan assembly 3 Use a vacuum cl...

Page 110: ...5 C External Reference o System is unable to communicate with the external reference source or o 10MHz input from the external reference is missing and o Reference external If syscfg in enabled use the status syscfg errors command to get the current list of configuration alarms If the alarm light is on users can determine the exact cause of the alarm by accessing the command port and typing the al...

Page 111: ...make sure the power supply is plugged in Power Source has failed check to ensure the power source is available and connected to the rear panel of the unit Users can also check the current system using the alarm and the status health power_supply commands to check the system status ATS 6501 alarm power_supply 2 AC DC supply missing or hardware error ATS 6501 status health power_supply 1 active fals...

Page 112: ... output module s has failed Based on which systems the ATS 6501 is driving are no longer operating properly By unplugging the output modules one at a time to see which output module was at fault Note If this does not work there may be more than one output module that failed Pull them all and reinsert them one at time to see which one s cause a FAULT By using the status health output_modules comman...

Page 113: ...tive false occurrences 0 5 active false occurrences 0 ports 1 active false occurrences 0 2 active false occurrences 0 3 active false occurrences 0 4 active false occurrences 0 6 active false occurrences 0 ports 1 active false occurrences 0 2 active false occurrences 0 3 active false occurrences 0 4 active false occurrences 0 6 2 3 GPS Performance There are several factors that could impact the per...

Page 114: ... GPS antenna and the sky If you are inside a building surrounded by tall buildings or in a tunnel the GPS antenna will not have a clear view of the sky o The GPS receiver requires signals from at least four satellites even partial obstructions can prevent your GPS receiver from functioning properly Ensure the mask angle is not set too low or too high o If set too low the receiver might not be able...

Page 115: ... max 0 0000000000000000e 00 min 0 0000000000000000e 00 Note If the system is reporting it is not tracking yet it shows it is tracking 4 or more satellites the manually entered position may be incorrect Verify the position settings and correct any errors If the position is not known or the error will not clear change the position_mode to auto and resurvey the antenna position This should clear the ...

Page 116: ...tered an invalid position o GPS Tracking indicator is OFF Enter the correct position for the antenna Use the status health gps_error command to look at the status of the GPS hardware 6 2 4 Internal Clocks If you suspect there may be an issue with the internal clocks use the status health and status reference commands to look at the status of the internal clocks Note The example below has been edit...

Page 117: ...rt_time N A Users may use the jam_sync command to synchronize the system 1 PPS to the reference input 6501A jam_sync OK 2013 08 08T15 56 04Z Then use the status kas2 command to ensure the internal clock offset has jumped to the reference 6501A status kas2 aging 2 498557764780871e 24 coldstart_time 2013 08 08T14 59 54Z deviation_scalar 1 000000000000000e 00 frequency 7 612250351220100e 13 phase 7 5...

Page 118: ...ence_type cesium ATS 6501 status reference frequency external communications N A locked true signal present internal locked true hp5071 can_communicate false lns locked true ntp locked true source internal refclock ocxo_freq_control 5 OK 2013 09 04T14 10 03Z Reference_type hp5071a ATS 6501 status reference external locked hp5071 can_communicate true electron_multiplier_voltage 1 142000000000000e 0...

Page 119: ...8 08T14 58 00Z When the 10 MHz signal is restored the Alarm light will remain on the Oscillator lock light will remain out and the GPS Tracking indicator may go out for 30 seconds Once the GPS Tracking indicator is lit the system will report the kas2 values If the ATS 6501 is unable to communicate with the external reference the operator will get an indication of the error The front panel Alarm li...

Page 120: ...eter Users should put the system in Manual positioning mode and save settings once AUTO mode is complete in order to prevent AUTO mode from occurring after a power failure If the antenna position is known users should put the system in Manual positioning mode and enter the latitude longitude and altitude of the antenna Poor antenna location and or multipath issues can cause instabilities relocate ...

Page 121: ...re condition and the fans are not reporting an error ensure the ambient temperature is less than 65ºC and the fan filters are clean 6 2 9 PPS Outputs The ATS 6501 is capable of providing different PPS outputs on each port of the 4394A 4376A cards and on ports 1 and 2 of the 4394A ECL card By default the 1PPS signal is a 100 µs wide pulse Users can modify these settings Users are cautioned to ensur...

Page 122: ...status good 2 status good 3 status good 4 status good power enabled type 4376A 6 2 10 IRIG Outputs The ATS 6501 is capable of providing different DC IRIG outputs on each port of the 4394A card and AM IRIG outputs on the 4387A card By default ports 3 and 4 on the 4394A card are set to B000 The 4387A outputs are set to B120 by default Users can modify these settings Users are cautioned to ensure the...

Page 123: ... 4 status good power enabled type 4387A 6 2 11 NASA36 Outputs The ATS 6501 is capable of providing NASA 36 Time Code outputs on each port of the 4387A AM IRIG card The 4387A outputs are set to IRIG B120 by default Users can modify these settings Users are cautioned to ensure they connect the correct cables to the correct output ports to avoid any problems To verify the settings use the settings ha...

Page 124: ...est is missing o Inactive inputs ports channels will not report measurements Average Measurements Port 2100 o The number of samples nn event average should match the settings ptd_port value If not The cable from the device under test was disconnected reconnected during the measurement process ATS 6501 outputs were enabled during the measurement period 1PPS from the source was interrupted during th...

Page 125: ...unit should be power cycled at a convenient time to resolve this extremely rare condition It the alarm is still active after a power cycle return the unit for repair 6 3 Communication Problems This section describes some of the errors associated with communications problems and some potential sources of those issues 6 3 1 LAN LAN Connector unplugged DHCP o When the system is operating press the Di...

Page 126: ...rtup The date time will be set to Jan 1 00 00 00 when the system is first powered on or rebooted since the time is not set until the GPS receiver is tracking ATS 6501 syslog Jan 1 00 01 21 tflex newsyslog 411 logfile first created Jan 1 00 01 22 tflex syslogd restart These messages pertain to the system boot application start up process Jan 1 00 03 25 tflex tflex 536 017 0x0060eb00 GPS Tracking Ja...

Page 127: ... the 5071A is good and the alarm is continuing replace the ATS 6501 clock_phase_step This can be caused by a phase step on the reference internal OCXO or other hardware anomaly Ensure 5071A is showing continuous operations and no previous error If the 5071A is good and the alarm is continuing replace the ATS 6501 clock_starvation Internal error replace the ATS 6501 clock_steer Internal error repla...

Page 128: ... airflow is not restricted and fans are rotating If there are no fan alarms fans are rotating at speed and the fan filter is clear of debris replace the ATS 6501 power_supply 1 Ensure power supply is fully seated from the front Ensure power cord is connected at both the power supply and power strip power_supply 2 Ensure power supply is fully seated from the front Ensure power cord is connected at ...

Page 129: ...3 10 s 5E 12 8E 13 100 s 5E 12 8E 13 1000 s 6E 13 10000 s 6E 13 100000 s 1E 13 Temperature Stability 3e 10 0 to 50 C Frequency Accuracy 1E 13 one day Holdover Accuracy 10Mhz Output 5E 11 month with internal Rb reference Holdover in external reference mode is dependent on the external reference Ethernet Interface Quantity 1 Connector RJ 45 Protocol TCP IP Speed 10 100 Base T Network Time Protocol N...

Page 130: ...ts 3 4 2 4V peak to peak into 50 Ω Bit Rate Bit rate programmable for 1 bps to 8 Mbps with 1bps resolution Up to 32 Mbits of user defined code stored in onboard SRAM memory for Time Code signal Stored bit pattern is outputted at specified delay with desired bitrates On Time Delay per clock rate Four different codes can be loaded Play out repeats at end of code Maximum 8192000 bit file per port PPS...

Page 131: ...0 1 Pulse Width Default 100 µs 10 µs Pulse width is variable in integer counts of 100 MHz clock period Jitter 80 ps Skew 75ps RS 422 PPS Module 4376A Characteristic Description Number of outputs Four Output connectors DE 15 F Impedance 100 Ω Differential Pins PPS1 1 9 PPS2 3 11 PPS3 5 13 PPS4 7 15 Grounds Pins 2 4 6 8 10 12 14 Intervals Default 1 PPS Valid PPS values are 10 M 1 M 100 K 10 K 1 K 10...

Page 132: ...125 dBc Hz 132 dBc Hz 100 Hz 132 dBc Hz 135 dBc Hz 1 kHz 138 dBc Hz 138 dBc Hz 10 kHz 141 dBc Hz 141 dBc Hz 100 kHz 150 dBc Hz 150 dBc Hz 1 MHz 150 dBc Hz 150 dBc Hz 10 MHz Module 4395B 10 This module provides four 10 MHz outputs The module also monitors each output for levels below approximately 10 dBm after which an alarm is raised Characteristic Description Number of outputs Four Output connect...

Page 133: ... 131 dBc Hz 138 dBc Hz 100 Hz 138 dBc Hz 140 dBc Hz 1 kHz 144 dBc Hz 144 dBc Hz 10 kHz 146 dBc Hz 146 dBc Hz 100 kHz 146 dBc Hz 146 dBc Hz 1 MHz 146 dBc Hz 146 dBc Hz 5 MHz Module 4395B 5 This module provides four 5 MHz outputs The module also monitors each output for levels below approximately 10 dBm after which an alarm is raised Characteristic Description Number of outputs Four Output connector...

Page 134: ... dBc Hz 10 Hz 145 dBc Hz 145 dBc Hz 100 Hz 152 dBc Hz 154 dBc Hz 1 kHz 158 dBc Hz 158 dBc Hz 10 kHz 160 dBc Hz 160 dBc Hz 100 kHz 160 dBc Hz 160 dBc Hz 1 MHz Module 4395B 1 This module provides four 1 MHz outputs The module also monitors each output for levels below approximately 10 dBm after which an alarm is raised Characteristic Description Number of outputs Four Output connectors BNC F Impedan...

Page 135: ... alarm is raised Characteristic Description Number of outputs Four Output connectors BNC F Impedance 75 Ω Signal Complies with ITU T Rec G 703 paragraph 13 Time Code None frequency output only 2 048MHz Module 4397A This module provides four 2 048MHz outputs The module also monitors each output for levels below approximately 10 dBm after which an alarm is raised Characteristic Description Number of...

Page 136: ...Voltage 50 Ω 600mV pk pk and 6 0Vpk pk Time Codes B000 to B007 and B120 to B127 AM IRIG Ratio 2 1 to 4 1 Nominal 3 1 AC Power Supply 4385B 100 240 V AC 50 60 Hz 75A Power Factor Corrected to PF 0 97 Power Main Fuse AC Input Two 250 V 1 A T Time delay 5 x 20 mm DC Power Supply 4386A 48 VDC SELV type 18 to 60 VDC Power Inlet Type DC input Mates with 3 pin Amp Part 1 350346 0 connector with female so...

Page 137: ...ation number 8 of satellites being tracked signal Signal information avg 4 669162750244141e 01 Average C N desc Good Signal Description enum 2 Value to indicated signal description freq dual Single Dual frequency max 5 058900070190430e 01 Maximum C N value min 4 158399963378906e 01 Minimum C N value hardware Hardware Info fan Fan Status 1 true Fan 1 True Good False Bad 2 true Fan 2 mainboard Mainb...

Page 138: ... 4 status good power enabled Enabled Disabled type 4372A Card type warmstartable true Unit has enough data to warmstart power Power Supply Status numsupplies 2 of installed supplies supplies 1 Left Power Supply status good Current status type 4385A Power supply type 2 Right Power Supply status good type 4385A temperature 37 Current internal temperature health Health Status clock_freq_step Monitore...

Page 139: ... occurrences 0 oscillator_control active false occurrences 0 signal_gain active false occurrences 0 leapseconds internal_error active false occurrences 0 unknown active false occurrences 0 ocxo_freq_control active false occurrences 0 output_modules Output Module Port Errors 1 Reported for each slot active false occurrences 0 ports Reported for each port on the card 1 active false occurrences 0 2 a...

Page 140: ...51 19Z Last time unit warm started leapseconds Leap Seconds current 35 Current effectivity_time 2014 01 01 00 00 00 Date Time when table expires future 35 Future leapseconds outputs enabled true Enabled Disabled reference External Clock frequency external Input Status communications good locked true signal present hp5071 can_communicate true Communications status electron_multiplier_voltage 1 1420...

Page 141: ...e i o error or internal error Memory blocks having a state of i o error will cause file download retries to occur while blocks having a state of invalid file will not cause file download retries The internal error state indicates a system error of some type Bit generation from memory blocks may occur only when the memory block state is ready clocks 1 bit_rate 7 999999999999830e 06 Achieved bit rat...

Page 142: ... true underflow false 4 busy true enabled true underflow false type 4391A OK 2014 05 01T11 18 12Z System Errors Alarms and events on the ATS 6501 are available via the status command As the events occur the system will set the alarm and time Once the condition clears the system will indicate the condition cleared what the condition was when it cleared and increment the occurrence counter clock_wan...

Page 143: ...00 01 02 broadcast 192 168 150 255 default_gateway 192 168 150 1 ip 192 168 150 60 netmask 255 255 255 0 OK 2013 08 08T15 34 57Z Settings If the system time is not set it will show boot N seconds boot 158sec settings command_port prompt enable 1 boot 158sec settings command_port prompt text ATS 6501 boot 158sec settings diaglog clock info boot 158sec settings diaglog cpld4370 info boot 158sec sett...

Page 144: ...s hardware slots 5 tsc4372at ports 3 status_enabled 1 boot 158sec settings hardware slots 5 tsc4372at ports 4 status_enabled 1 boot 158sec settings hardware slots 6 tsc4372at ports 1 status_enabled 1 boot 158sec settings hardware slots 6 tsc4372at ports 2 status_enabled 1 boot 158sec settings hardware slots 6 tsc4372at ports 3 status_enabled 1 boot 158sec settings hardware slots 6 tsc4372at ports ...

Page 145: ...s 2 tsc4373 ports 4 format B 2013 08 08 17 13 09 428 settings hardware slots 2 tsc4373 ports 4 signal_word 0 2013 08 08 17 13 09 436 settings hardware slots 2 tsc4373 ports 4 type irig 2013 08 08 17 13 09 443 settings hardware slots 5 tsc4372at ports 1 status_enabled 1 2013 08 08 17 13 09 449 settings hardware slots 5 tsc4372at ports 2 status_enabled 1 2013 08 08 17 13 09 456 settings hardware slo...

Page 146: ...input_status signal_detect 1 2013 08 08 18 10 24 625 status hardware outputs slots 5 ports 4 input_status tx_fault 0 2013 08 08 18 10 24 601 status hardware outputs slots 5 ports 4 input_status xcvr_present 1 2013 08 08 18 10 18 279 status hardware outputs slots 5 ports 4 status good 2013 08 08 18 10 23 981 status hardware outputs slots 5 power enabled boot 145sec status hardware outputs slots 5 t...

Page 147: ... active 0 boot 160sec status health hp5071 signal_gain occurrences 0 boot 161sec status health leapseconds internal_error active 0 boot 161sec status health leapseconds internal_error occurrences 0 boot 161sec status health leapseconds unknown active 0 boot 161sec status health leapseconds unknown occurrences 0 boot 160sec status health ocxo_freq_control active 0 boot 160sec status health ocxo_fre...

Page 148: ...us gps satellite signal max 5 026499938964844e 01 2013 08 13 16 27 45 730 status gps satellite signal min 3 893099975585938e 01 2013 08 05 18 30 08 884 status hardware fan 1 1 2013 08 05 18 30 08 889 status hardware fan 2 1 2013 08 05 18 30 08 879 status hardware mainboard EUID 00 30 96 02 00 00 01 4a 2013 08 05 18 30 08 875 status hardware mainboard serialnum 151370 2013 08 05 18 30 08 871 status...

Page 149: ...ts slots 6 ports 3 fiber_status port 5 local_tdc 8 615384615384615e 08 2013 08 05 18 30 09 152 status hardware outputs slots 6 ports 3 fiber_status port 5 remote_device 6511 2013 08 05 18 30 09 158 status hardware outputs slots 6 ports 3 fiber_status port 5 remote_network_status 00 00 00 00 00 00 00 00 2013 08 05 18 30 09 163 status hardware outputs slots 6 ports 3 fiber_status port 5 serial_numbe...

Page 150: ...ltiplier_voltage active 0 2013 08 05 18 31 01 479 status health hp5071 electron_multiplier_voltage occurrences 0 2013 08 05 18 31 01 521 status health hp5071 locked active 0 2013 08 05 18 31 01 512 status health hp5071 locked occurrences 0 2013 08 05 18 31 01 534 status health hp5071 oscillator_control active 0 2013 08 05 18 31 01 528 status health hp5071 oscillator_control occurrences 0 2013 08 0...

Page 151: ...t_modules 6 ports 4 active 0 2013 08 05 18 31 02 157 status health output_modules 6 ports 4 occurrences 0 2013 08 05 18 31 02 185 status health outputs_disabled active 0 2013 08 05 18 31 02 180 status health outputs_disabled occurrences 0 2013 08 05 18 31 02 195 status health over_temperature active 0 2013 08 05 18 31 02 190 status health over_temperature occurrences 0 2013 08 05 18 31 02 207 stat...

Page 152: ...e system parameters change these changes will be updated on the status port If the value has not changed it will not be reported 2013 08 08 18 03 43 224 status kas2 ptd 2 337230658000000e 09 2013 08 08 18 03 43 226 status time 2013 08 08 18 03 43 2013 08 08 18 03 43 235 status unit uptime 3 minutes 6 seconds 2013 08 08 18 03 43 286 status hardware outputs slots 5 ports 2 fiber_status local_tdc 1 6...

Page 153: ...3 51 154 status kas2 ptd 2 387265272000000e 09 2013 08 08 18 03 51 225 status hardware outputs slots 5 ports 2 fiber_status local_tdc 1 700000000000000e 09 2013 08 08 18 03 51 405 status kas2 phase 1 762599900078293e 09 2013 08 08 18 03 51 412 status kas2 frequency 1 212979011238140e 14 2013 08 08 18 03 51 424 status kas2 aging 1 806359301662638e 23 2013 08 08 18 03 52 126 status hardware outputs ...

Page 154: ... 04 00 188 status time 2013 08 08 18 04 00 2013 08 08 18 04 00 191 status unit uptime 3 minutes 23 seconds 2013 08 08 18 04 00 229 status kas2 ptd 2 533956078000000e 09 2013 08 08 18 04 00 263 status tic_measurements channel 34 1 977777777800000e 08 2013 08 08 18 04 00 461 status kas2 phase 1 705457261816029e 09 2013 08 08 18 04 00 468 status kas2 frequency 1 723987984935823e 14 2013 08 08 18 04 0...

Page 155: ...s is prohibited and strictly enforced and the user will be informed they attempted to use an illegal filename If the system cannot recognize the configuration status network or settings parameter the operator is requesting it may return no info Make sure the fields were typed correctly for the data you are attempting to retrieve Command Arguments Any arguments contained are optional and can be lef...

Page 156: ...ates with the clock for health status Serial IP Comm_addr o Serial the value must be in the form dev xxx 9600 N 8 1 o IP The value must be of the form ip address port where port must be in the range 10001 10004 local true for any clock measured on a 4393 module installed in the unit otherwise false default true filter_member true for clocks participating in the timescale false provides a way to me...

Page 157: ...f alarms Event alarm Used to indicate alarms that have occurred but do not have a persistent state These alarms are latched and will remain active until the user clears them with the clear_alarms command Such an alarm might be triggered by the loss of an external reference because even though the unit may switch to its internal reference and continue to operate the event is significant and warrant...

Page 158: ...e most important one and likely caused the other alarm conditions See also clear_alarms alarm Usage alarms ATS 6501 alarms power_supply 2 occurrences 1 set what AC DC supply missing or hardware error when 2013 08 30 15 00 52 256 OK 2013 09 04T15 01 52Z If there are no alarms active the system will return a blank line altitude Description Sets the altitude of the GPS antenna Default in meters If th...

Page 159: ...l result in a change in the output signals in order to realign them with the correct time All signals will remain coherent with one another but the frequency of the system will be altered for a period of time until the output PPS is aligned properly in time Usage antenna_delay DELAY DELAY GPS antenna delay in seconds Command Example ATS 6501 antenna_delay 9 63E 8 96 3nSec Query ATS 6501 settings g...

Page 160: ...ate to which the specified bit generator clock is to be set BITRATE must be an integer between 1 and 8e6 Exponential notation is valid as long as the result is an integer in the specified range If not specified the bit rate remains unchanged delay Number of seconds by which the specified bit generator clock is to be delayed from the system on time point DELAY is treated as a signed floating point ...

Page 161: ...Byte Size Name 125000 125k_hdrtrl bin 1000000 1m_othdr bin 1000000 1m_othdrtrl bin 18 legacyhdrbe bin 18 legacyhdrle bin The operator can also search using wildcards to obtain a more specific list of the files loaded onto the system ATS 6501 bitcode_list 1m Byte Size Name 1000000 1m_othdr bin 1000000 1m_othdrtrl bin OK 2014 05 01T12 10 14Z bitcode_memblock Description This command assigns a memory...

Page 162: ...ame extension will be used to determine the format bitcount Number of data bits to download to the specified memory block If greater than the number of data bits in the file the data block shall be padded with zero bits If not specified and the file and nofile options are not specified the bit count remains unchanged If not specified and the file option is specified the bit count shall be set to t...

Page 163: ...cified the blanking mode remains unchanged enable Enables or disables the specified port s If disabled an output is electrically isolated from its associated bit generator output If not specified the enable state s remains unchanged SLOT Slot number of the TSC4391A output card to be configured SLOT must be an integer between 1 and 6 PORTLIST Port number s to configure PORTLIST must be a comma deli...

Page 164: ...shall be assigned as the data source If SOURCE is the text string square the FPGA s square wave generator shall be assigned as the data source If not specified the assigned data source remains unchanged enable Enable or disable the specified bit generator stream If not specified the enable state remains unchanged SLOT Slot number of the TSC4391A output card for which a bit generator clock is to be...

Page 165: ...at represent the current state of the instrument These alarms remain active until the issue is resolved and the instrument has returned to normal operating conditions Such an alarm might be triggered by an over temperature event in which the unit has detected elevated temperatures within the instrument The alarm itself will not clear until the operating temperature returns to normal conditions Exe...

Page 166: ...l IP Comm_addr o Serial the value must be in the form dev xxx 9600 N 8 1 o IP The value must be of the form ip address port where port must be in the range 10001 10004 datum Description Sets the current datum to be used by the system Usage datum wgs84 nad83 Default is wgs84 Command Example ATS 6501 datum wgs84 Query ATS 6501 settings gps datum wgs84 delete Description Delete system configuration s...

Page 167: ...onfiguration use the unlog command See also save_logs load_logs list_logs save load delete list Usage delete_logs ftp rt FILENAME FILENAME Name of file Command Example ATS 6501 delete_logs ftp test Query ATS 6501 list_logs ftp rt This command lists all of the current gps logging configuration files saved by the user The user must specify ftp or rt for the log type Note The user can delete the logg...

Page 168: ...ys a great deal of information about routine events within the software module To set the level of diagnostic logging the user must specify the module they are interested in and then specify the level of diagnostic logging desired This will affect the output on the diag port port 1800 for all network connections Usage diag clock cpld4370 gps kas2 software tagps timecode tsc4370 warmstart error inf...

Page 169: ...eference against the timescale without requiring it to participate in the timescale weight_member true means the clock is fully weighted in the timescale false provides a way to let the system estimate the clocks state vector without requiring it to participate in the timescale filter_member false weight_member true is an invalid scenerio weight_type specifies what spectral densities to use for a ...

Page 170: ...me default now irig yyyy mm dd hh mm ss NTP server address or hostname ATS 6501 force_time now force_time default Sets time to 01 01 2012 00 00 00 force_time now Sets time to the operating system s time if possible Force_time irig year Sets the system time to an external IRIG Source force_time date time Sets time to the user specified time force_time NTP server Sets time to that of the specified r...

Page 171: ...racking_timeout Description Set GPS tracking lost timeout alarm in seconds Default 1800 seconds Usage gps_tracking_timeout seconds Query ATS 6501 settings gps tracking_timeout 1800 OK 2013 09 04T15 41 40Z help Description Display help for a command or list all commands Usage help COMMAND COMMAND Command for which to display detailed help Command Examples ATS 6501 help command ATS 6501 h command AT...

Page 172: ...the irig command Multiple IRIG types are supported including IRIG A IRIG B and IRIG G The IRIG code format is specified as a 3 digit number following the code type and is required in order to set the output to the proper format For instance for IRIG B123 the code type is B and the code format is 123 Configuration of a specific output can be stored on the system itself via the save command so that ...

Page 173: ...IRIG B127 as the format Default is Port 1 enabled using B007 Usage irig_input slot port irig type Command Example ATS 6501 irig_input 6 4 b127 Query 6501A_61 settings hardware slots 6 tsc4383 port 1 enabled false format B007 2 enabled false format B007 3 enabled false format B127 4 enabled true format B127 jam_sync Description Synchronizes the system 1 PPS to the GPS 1 PPS in a ATS 6501 and system...

Page 174: ...ify changing between different system configurations The configuration files themselves are stored to the flash card however so changing the flash card will cause the system to lose the configuration files saved by the user Configuration files can contain either an entire system configuration or just a subset of the system configuration This allows users to change just the portion of the configura...

Page 175: ...subset of the file is of interest specify the optional FILENAME parameter along with the NODE parameter to view only that portion of the file contents See also save_logs delete_logs log unlog save delete list Usage list_logs ftp rt FILENAME FILENAME Name of GPS log settings file Command Example ATS 6501 list_logs ftp default load Description The load command restores the system configuration setti...

Page 176: ... configurations or transferring a specific logging configuration from one system to another without affecting other system settings See also save_logs list_logs delete_logs save load delete list Usage load_logs ftp rt FILE FILE file to load Command Example ATS 6501 load_logs ftp test Query ATS 6501 list_logs ftp rt default test log Description The system utilizes an internal GPS receiver to provid...

Page 177: ...terval in seconds Saasm rt ftp LOGA LOGA Name of requested GPS log Message Command Example ATS 6501 log ftp rt ionutca ontime 7200 ionutca ontime 7200 is the novalog command Query ATS 6501 settings gps_logging ftp log_selection ionutca ontime 7200 log_compression Description Enable or disable GZIP compression The GPS logs are stored to files that can be retrieved via FTP when FTP logging is enable...

Page 178: ...s gps_logging rt enable true log_filename Description Set name pattern of the ftp logs GPS logs are stored to files that can be retrieved via FTP when FTP logging is enabled Type settings gps_logging ftp enable to determine whether FTP logging is currently enabled The GPS log files can be retrieved by using FTP username ftp password ftp to download the files from the system The file naming convent...

Page 179: ...ently saved in memory Ensure these files are downloaded prior to making any changes to prevent a possible loss of data Query ATS 6501 settings gps_logging ftp filename digits 4 prefix Test suffix nov type timestamp log_interval Description Set GPS ftp logging interval minutes GPS logs are stored to files that can be retrieved via FTP when FTP logging is enabled Type settings gps_logging ftp enable...

Page 180: ...tem will not impact the log files already stored on the system unless the new value is lower than the number of log files currently in storage If so the system will delete as many log files as needed to drop the number of logs to the new value starting with the oldest file and working forward Command Example ATS 6501 log_number 15 Query ATS 6501 settings gps_logging ftp file_count 15 longitude Des...

Page 181: ... but also limits the number of satellites that are tracked Mask angles that are too high may cause the system to report a loss of GPS tracking for periods of time See also antenna_delay antenna_voltage position_mode Usage mask_angle DEGREES DEGREES Mask angle for GPS antenna in degrees Command Example ATS 6501 mask_angle 15 Query ATS 6501 settings gps mask_angle 1 000000000000000e 01 nasa36 Descri...

Page 182: ...the default output format until reconfigured by the user See also irig pps save Usage nasa36 SLOT PORT SLOT slot number of the 4387A card PORT port number on the 4387A card the end user is connected to Command Examples ATS 6501 nasa36 5 2 Query ATS 6501 settings hardware slots 5 tsc4387 ports 1 format B signal_word 120 type irig 2 format B signal_word 120 type nasa36 3 format B signal_word 120 typ...

Page 183: ...rent network settings for the system can be viewed by typing network at the command port It is important to realize though that the IP address given by the network command does not necessarily represent the current IP address of the system type status tflex network ip for the current IP address The network settings actually display the IP address the system will be set to if it is switched to stat...

Page 184: ...on Set GPS position mode An important factor in optimizing the timing performance of this instrument is correctly setting the GPS positioning mode Timing performance is impacted by the system s ability or inability to determine an accurate position for the GPS antenna being used and this instrument therefore provides three different modes of operation to be set by the user depending upon the appli...

Page 185: ...if the system settings are saved in AUTO mode then the instrument will begin a new position survey if the instrument is restarted WARNING The position given by the status gps position command is only a useful diagnostic and is not intended to be used as a precise position of the GPS antenna for data analysis purposes For collecting precise GPS data the realtime GPS output port 1135 should be used ...

Page 186: ...pires the antenna position will be fixed status gps position fixed true and the system will generate a RINEX file in the rinex directory pps Description Select PPS output type The 4394A module is capable of producing 1 PPS or DC IRIG signals The 4394A ECL is only capable of producing a PPS signal It may be reprogrammed to produce variations of each of these signals on any of the four output ports ...

Page 187: ...0e 04 type pps 2 pps_period 1 000000000000000e 07 pps_width 5 000000000000000e 08 type pps 3 format B signal_word 0 type irig 4 format B signal_word 0 type irig prompt Description Adjust command prompt text or turn the prompt off The prompt given on the command port port 1700 can be modified or disabled to aid in distinguishing individual systems where more than one system may be present on a netw...

Page 188: ...ort connection These settings must also be saved ptdavg Description Set PTD averaging interval in seconds Changes the PTD Phase Time Difference averaging interval for the pulse measurement data displayed on the ptdavg_port port 2100 The averaging interval is applied to all of the measurement channels and cannot be individually configured on a port by port basis Note This command is only valid when...

Page 189: ...rent command port 1700 connection into a ptdraw port 2101 connection Hitting the return key will switch the connection back into a command port connection The ptdraw port is only available when the 4393A PPS measurement card is installed in the system The 4393A card accepts an input PPS on four different inputs and measures the time difference between the input PPS and the internal system PPS Port...

Page 190: ... be enhanced by utilizing the external source as the frequency reference for the system If an external reference is specified given by settings reference source the system internally switches to use the 10 MHz input provided to the system The timescale option is valid if a 4393 module is available and 2 or more clocks are input to the module When timescale is selected the system effectively uses t...

Page 191: ...ery status information from the reference and monitor it for any reported failures In instances where monitoring is either not available or not desired then the reference type specified will be a generic class of oscillator such as cesium or maser This enables the system to utilize the external frequency reference but does not perform any sort of remote monitoring of the reference Thus failures of...

Page 192: ... for easy reloading and for ensuring the instrument preserves the same settings after a power cycle The settings files are physically stored to the flash drive so they will be lost if the flash is replaced but are preserved if a software update is performed By default the save command stores the entire settings tree to the file named default This is the settings file that is loaded at startup so i...

Page 193: ...e also list_logs delete_logs log unlog save delete list Usage save_logs ftp rt FILE FILE file to save Command Example ATS 6501 save_logs ftp test Query ATS 6501 list_logs ftp default test settings Description Show unit settings The settings command displays all the settings variables for the system Settings variables are values that are settable by the user They are not automatically saved however...

Page 194: ...o the network settings of the instrument They are settable by the user and automatically saved when they are changed They are physically stored on the flash drive so changing the flash will cause you to lose your network settings They are however preserved during a software update settings Settings variables are values that are settable by the user They are not automatically saved however so the u...

Page 195: ... name needed only if more than one ISO file is found list List available ISO files list only does not apply any update Command Example ATS 6501 software_update tflex 5 1 0 iso Note If the iso image is not on the system the command will attempt to execute display a line feed and the system will return to the command prompt If this occurs the iso file must be uploaded to the system before the softwa...

Page 196: ... TIMESTAMP KEY VALUE TIMESTAMP is the system time that the variable was set to that value and does not represent the current time of the system KEY is the name of the system variable VALUE is the current value of that system variable The variables are organized into a hierarchy that groups related variables together This enables displaying only the subset of variables that a user may be interested...

Page 197: ...g as the file name will cause the configuration file to be read from stdin until a line containing only eof is read The following line must contain the md5 checksum of the configuration export file name Export the current configuration to file name The exported file will be accessible through FTP Alternatively specifying will dump the current configuration to stdout terminated with a line containi...

Page 198: ...es a 1 544 Mbps T1 DS 1 compatible output Each port can independently be set to one of four output configuration modes Mode 0 B8ZS encoding Extended Superframe ESF Mode 1 1 544 MHz square wave Mode 2 All 1 s B8ZS encoding D4 SF framing Mode 3 B8ZS encoding D4 SF framing In order to configure a specific output port the command must provide the slot Port and Mode Configuration of a specific output i...

Page 199: ... 27Z timescale_filterref Description Change which clock serves as the filter reference for 4393 clock measurements This command specifies which clock going into the 4393 module will serve as the measurement reference for the other clocks being measured with the 4393 The filter reference must be defined in timescale mode for the unit to operate correctly Usage timescale_filterref clockName timescal...

Page 200: ... entire 100ns in 3 timescale_steer_timeconstants Usage timescale_steer_timeconstant seconds Default 10800 Query 6501A_60 settings reference timescale kas2 tstimeconstant 10800 OK 2013 09 04T16 26 42Z unlog Description Remove a GPS log The unlog command removes a specific log from the requested list of GPS logs It can also be used to remove all the requested logs by issuing the all parameter instea...

Page 201: ...e as close as possible to the current time c NTP Server If the system can communicate with a NTP Server user the force_time ntp server ip command to obtain the current time from an NTP Server To verify the system time is correct use the remote_ntp_offset ntp server ip command to verify the system time is within 1 Second of the remote NTP Server Note This step will turn the outputs on All of the do...

Page 202: ... downstream ATS 6511s Keep in mind you may need to recal the ATS 6502 depending on how far the system clocks moved during this step 10 Leap Second Information a It is possible to set the system time beyond the current leap second information stored on the system To ensure the leap second data is correct users may need to verify adjust the data stored on the system to ensure proper operation especi...

Page 203: ...ins the number of seconds since that epoch e Use an editor i e vi to edit the file if needed vi mod tsc leap seconds list f Copy the original file in case errors are made while editing You can use this file as an example just in case cp mod tsc leap seconds list mod tsc leap seconds ori g If necessary adjust the expiration date to 30 Jun or 31 Dec 23 59 59 whichever is sooner and get the correct n...

Page 204: ...state and an optional directive that changes the state of one or more children or grandchildren The communication of upstream packets is managed by FPGA firmware running on each end of the fiber During transmission firmware emits a header followed by the software payload followed by a CRC that is used to verify the integrity of the transmission and ending with padding consisting of zeros to the en...

Page 205: ... PollRate Alarm 10 Config Self PollRate State 30 Config Self PollRate Inventory 3600 Config Self ProtocolVersion 1 Config Children Children by slot Config Children Slot Slots 1 6 indexed 0 5 Config Children Slot 0 Tflex Slot 1 Config Children Slot 0 NodeId 21 Config Children Slot 0 NodeType NodeType TSC_4395B_1 Config Children Slot 0 PollRate Slots PollRate Config Children Slot 1 Tflex Slot 2 Conf...

Page 206: ...figuration file TSC node cfg This file was auto generated by alarmserver sitecfgdb dofile usr tsc site node_types lua Map the only numeric type that Lua understands double to integer where necessary ValueTreeTypes ValueTreeTypes NodeId integer ValueTreeTypes NodeType integer ValueTreeTypes PollRate ValueTreeTypes PollRate Alarm integer ValueTreeTypes PollRate State integer ValueTreeTypes PollRate ...

Page 207: ...Config Children Slot 0 PollRate Alarm 10 Config Children Slot 0 PollRate State 5 Config Children Slot 0 PollRate Inventory 120 Config Children Slot 1 Config Children Slot 1 NodeId 503 Config Children Slot 1 NodeType 48 Config Children Slot 1 PollRate Config Children Slot 1 PollRate Alarm 10 Config Children Slot 1 PollRate State 5 Config Children Slot 1 PollRate Inventory 120 Config Children Slot 2...

Page 208: ...onfig Children Other 1 PollRate Alarm 30 Config Children Other 1 PollRate State 1800 Config Children Other 1 PollRate Inventory 3600 Config Children Other 2 High performance cesium atomic clock Config Children Other 2 NodeId 71 Config Children Other 2 NodeType 19 Config Children Other 2 PollRate Config Children Other 2 PollRate Alarm 30 Config Children Other 2 PollRate State 1800 Config Children O...

Page 209: ...PS RX and w Rb 144 4380A G2R 4380A w Galileo RX and w Rb 145 4380A G3R 4380A w Glonass RX and w Rb 146 4380A G4R 4380A w Compass RX and w Rb 147 4380A R 4380A w out GNSS RX and w Rb 148 ATS 6580A A0G0R ATS 6580A 2 DC Supplies No GPS Internal Flash 149 ATS 6580A A1G0R ATS 6580A 1 AC 1 DC Supply No GPS Internal Flash 150 ATS 6580A A2G0R ATS 6580A 2 AC Supplies No GPS Internal Flash 151 ATS 6580A A0G...

Page 210: ...ECL PPS Card ECL 59 4374A T1 Card 60 4387A 1V AM IRIG w 1V RMS Output 61 4376A RS 422 PPS Card 62 4383A IRIG Input Card 63 4337A AM IRIG Epoch Module Table 12 Child Node Types Type Model Description 14 TSC2007 Obsolete 15 2000 Series SONET Chassis TSC2078 CPU Modular backplane 70 TSC2002 Blank module 71 TSC2024 Chassis monitor 72 TSC2030 1x4 RF Dist Amp 73 TSC2031 RF Doubler 5 10MHz 74 TSC2032 Pul...

Page 211: ... 15 6300 Series Chassis Node Types Once the node cfg file is configured correctly the ATS 6501 or ATS 6511 must be restarted to start the SMCP To verify that SMCP has started in the unit being configured start a telnet session to port 2125 in an ATS 6511 or port 2125 in an ATS 6501 6501B telnet 10 11 11 2 3125 If SMCP has started text similar to the following will be seen nib NIB ç R nib NIB Ênib ...

Page 212: ...erver If this argument is omitted the directive will be sent as if from the node that interprets the node_directive command sequence number Yes An 8 bit unsigned number that must be incremented every time a new command is issued target node ID Yes The Tflex node that will implement the command directive Yes The 8 bit unsigned op code that identifies the command being issued directive parameters de...

Page 213: ...mode using input 2 3 Auto using current input F 6 PPS Steer Source This section allows the user to set up measurements that can be done using a 4393A 4 Channel Time Interval Counter TIC Card Each measurement must have a unique Config Measurement typically starting a Zero and incrementing The nodeid must match the nodeid for the unit the card is installed in The streamid must be unique on each devi...

Page 214: ...ource This section allows the user to set up measurements that can be done using a 4383A IRIG Input Card Each measurement must have a unique Config Measurement typically starting a Zero and incrementing The nodeid must match the nodeid for the unit the card is installed in The streamid must be unique on each device Each measurement is identified by the nodeid and streamid To use this as steering s...

Page 215: ...y one of the four IRIG input channels is active at a time the operator has the choice of using AM or DC IRIG with or without the year via the irig_input command The measurments for the selected source on the card is used as the reference source For more information contact Microsemi ...

Page 216: ... the set up and report the correct errors File Header Most of the header is comments the important part of the header file is in BOLD below For a particular card type telnet ip address 1900 grep slots SlotNumber This will tell you the available information that a slot type is outputting Hopefully this helps in setting up the ExpectedValues of a card ExpectedValues is a list ExpectedValues Card Set...

Page 217: ...ue pps errorMsg Incorrect output type in slot 1 port 1 Signal Format IRIG Code the address in tree address settings hardware slots 1 tsc4373 ports 4 format tsc4373 is the same as a 4394 expectedValue B errorMsg Incorrect format in slot 1 port 4 IRIG Format the address in tree address settings hardware slots 1 tsc4373 ports 4 signal_word tsc4373 is the same as a 4394 expectedValue 0 errorMsg Incorr...

Page 218: ...1 Signal Format IRIG Code the address in tree address settings hardware slots 6 tsc4387 ports 1 format expectedValue B errorMsg Incorrect format in slot 6 port 1 IRIG Format the address in tree address settings hardware slots 6 tsc4387 ports 1 signal_word expectedValue 120 errorMsg Incorrect signal word in slot 6 port 1 Signal Type the address in tree address settings hardware slots 6 tsc4387 port...

Page 219: ...2e 03 Revise per site errorMsg Incorrect altitude setting address settings gps mode manual expectedValue 1 errorMsg Incorrect position mode should be manual address status gps position lat expectedValue 4 001941521186382e 01 Revise per site errorMsg Incorrect latitude setting address status gps position lon expectedValue 1 052389554858673e 02 Revise per site errorMsg Incorrect longitude setting ad...

Page 220: ...55 285 316 346 13 013 044 072 103 133 164 194 225 256 286 317 347 14 014 045 073 104 134 165 195 226 257 287 318 348 15 015 046 074 105 135 166 196 227 258 288 319 349 16 016 047 075 106 136 167 197 228 259 289 320 350 17 017 048 076 107 137 168 198 229 260 290 321 351 18 018 049 077 108 138 169 199 230 261 291 322 352 19 019 050 078 109 139 170 200 231 262 292 323 353 20 020 051 079 110 140 171 2...

Page 221: ...013 044 073 104 134 165 195 226 257 287 318 348 14 014 045 074 105 135 166 196 227 258 288 319 349 15 015 046 075 106 136 167 197 228 259 289 320 350 16 016 047 076 107 137 168 198 229 260 290 321 351 17 017 048 077 108 138 169 199 230 261 291 322 352 18 018 049 078 109 139 170 200 231 262 292 323 353 19 019 050 079 110 140 171 201 232 263 293 324 354 20 020 051 080 111 141 172 202 233 264 294 325...

Page 222: ...DOC 6501_Release V ATS 6501 Users Guide 214 Appendix I Certificate of Compliance ...

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