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Related Manuals for Viavi JACKSON LABS PNT-62 Series
Summary of Contents for Viavi JACKSON LABS PNT-62 Series
- Page 1 PNT-62xx Series Assured Position, Navigation, and Timing Reference Users Guide R000...
- Page 3 © Copyright 2023 VIAVI Solutions Inc. All rights reserved. VIAVI and the VIAVI logo are trademarks of VIAVI Solutions Inc. (“VIAVI”). All other trademarks and registered trademarks are the property of their respective owners. No part of this guide may be reproduced or transmitted, electronically or otherwise, without written permission of the publisher.
- Page 4 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page ii 22171774, R000 April 2023...
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Page 5: Table Of Contents
About this User Guide This prefix explains how to use this User Guide and includes the following topics: • “Purpose and scope” on page iv • “Assumptions” on page iv • “Related Information” on page iv • “Conventions” on page iv •... -
Page 6: Purpose And Scope
This manual also provides contact information for VIAVI’s Technical Assistance Center (TAC). Conventions This manual uses conventions and symbols, as described in the following tables. - Page 7 About this User Guide Conventions Table 1 Text formatting and other typographical conventions (Continued) Item(s) Example(s) Text you must type exactly as – Restart the applications on the server using shown into a command line the following command: $BASEDIR/startup/npiu_init interface, text file, or a GUI text restart field.
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Page 8: Safety And Compliance Information
For the VIAVI position statement on the use of Proposition 65 chemicals in VIAVI products, see the Hazardous Substance Control section of the VIAVI Policies &... -
Page 9: Technical Assistance
Substances of Very High Concern (SVHC) is present in an product above a certain threshold. For information about the presence of REACH SVHC in VIAVI products, see the Hazardous Substance Control section of the VIAVI Policies & Standards web page. - Page 10 About this User Guide Technical assistance PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page viii 22171774, R000 April 2023...
- Page 11 Table of Contents About this User Guide Purpose and scope ............iv Assumptions .
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Page 12: Table Of Contents
Table of Contents Chapter 3 GPSCon Utility Description ............. . . 12 Installation . - Page 13 Table of Contents GPS:SYSTem:LBAND [L1 | L2 | L3 | L5 | ALL] ......40 GPS:SYSTem:BANDTRACk [L1 | L2 | L3 | L5 | ALL] .
- Page 14 Table of Contents GPS? ..............52 PTP SUBSYSTEM .
- Page 15 Table of Contents SYNChronization:SOURce:STATe:VALue? ....... . 66 SYNChronization:HOLDover:STATE? ........66 SYNChronization:TINTerval? .
- Page 16 Table of Contents RFOUTput:SIM:HOLDover:LIMIT <int> [5, 86400] ......79 RFOUTput:SIM:LNAV:SELect <AUTO|USER|LIVE> ......79 MEASURE Subsystem .
- Page 17 Table of Contents SERVo:SLOPe <NEG|POS> ..........91 SERVo:TEMPCOmpensation <float>...
- Page 18 Table of Contents PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page xvi 22171774, R000 April 2023...
- Page 19 Introduction Chap ter 1 This chapter discusses the following topics: • “About the PNT-62xx” on page 2 • “Applications” on page 2 • “Equipment included with the PNT-62xx Series” on page 2 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 1...
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Page 20: Chapter 1 Introduction
Chapter 1 Introduction About the PNT-62xx About the PNT-62xx The PNT-62xx Series combines concurrent L1, L2, L3, and L5 GNSS reception with a secure STL (LEO-based) timing receiver, terrestrial receivers, and full PTP/IEEE-1588 Edge-Grandmaster (EGM) and PTP/IEEE-1588-slave capability. Figure 1 shows the PNT-62xx. -
Page 21: Optional Accessories
Chapter 1 Introduction Optional accessories Optional accessories The following optional accessories are available for the PNT-62xx: • 55-80861 – PNT-62xx 1U Rackmount Kit • 22168426 – PNT-62xx Antenna Kit Customer-provided equipment The following equipment is needed to install the PNT-62xx: •... -
Page 22: Specifications
Chapter 1 Introduction Specifications Figure 2 12V power supply Specifications Table 2 describes the specifications. Table 2 Technical specifications Parameter Specification Module 1 PPS Stability < 5ns rms GPS locked, <65ns rms STL LEO locked Holdover Performance over 24 hours After 7 days with GNSS reference: (at 25°C, no airflow, no motion) <250ns (Rubidium), <2us DOCXO... - Page 23 Chapter 1 Introduction Specifications Table 2 Technical specifications Parameter Specification GPS Sensitivity Acquisition –148 dBm, Tracking -167 GNSS TTFF Cold Start - <29 sec, Warm Start – <2 sec, Hot Start - <2 sec STL Sensitivity -100dBm tracking Supply Voltage (Vdd) Single or Dual Redundant +12V DC inputs Power Consumption...
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Page 24: Pnt-62Xx Series Connections And Indicators
Chapter 1 Introduction PNT-62xx Series connections and indicators PNT-62xx Series connections and indicators Table 3 describes the PNT-62xx connections. Table 3 Connections Connector Description GNSS SMA from a GNSS antenna, supplies 3.3VDC bias SMA from an antenna supporting STL frequency, supplies 3.0VDC bias 1PPS IN SMA from a 1PPS reference source... -
Page 25: Chapter 2 Installation
Installation Chap ter 2 The following topics are discussed in this chapter: • “Overview” on page 8 • “Pre-installation” on page 8 • “Installation” on page 8 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 7... -
Page 26: Pre-Installation
Chapter 2 Installation Overview Overview The following sections describe how to install the PNT-62xx. Pre-installation Perform the following steps before installing the receiver. Determine STL antenna location. NOTE For indoor installations, locate the antenna near, or as close as possible, or within sight of a window, skylight, or outside wall. -
Page 27: Connecting The Receiver
Chapter 2 Installation Installation Figure 3 Handle placement Attach the brackets using the included 6-32 X 5/16 and 4-40 X 5/16 screws, as shown in Figure Figure 4 Bracket screw locations Mount the receiver in the desired location. Connecting the receiver Connect the antenna cable to the STL receiver ALT connector using the 47 meter SMA cable. - Page 28 Chapter 2 Installation Installation Verify STL signal reception. The 1 PPS OK LED blinks every second while the STL signal is locked. After about 10 to 20 minutes, the SYNC LED and transcoder output turn on. Use the GPSCon utility to verify good burst reception (BPMP AVG of at least 10.) NOTE For some deep indoor locations, the receiver may take an hour or more to...
- Page 29 GPSCon Utility Chap ter 3 The following topics are discussed in this chapter: • “Description” on page 12 • “Installation” on page 12 • “Using GSPCon” on page 12 • “Interpreting the Data” on page 18 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 11...
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Page 30: Gpscon Utility Description
Chapter 3 GPSCon Utility Description Description GPSCon – Jackson Labs Edition is a free program for the monitoring and control of Jackson Labs Technologies, Inc, GPSDO, Simulator, and Receiver products. It communicates with the receiver using the SCPI command set. This free version of the GPSCon utility is only compatible with Jackson Labs products, and is available for download from the support section of the Jackson Labs website: http://www.jackson-labs.com/index.php/support... - Page 31 Chapter 3 GPSCon Utility Using GSPCon Figure 5 Options window Communication parameters Before you can use GPSCon, you must set the communication parameters for your , then select the Coms system. Open the dialog box by pressing the wrench icon tab.
- Page 32 Chapter 3 GPSCon Utility Using GSPCon Auxiliary parameters After pressing the wrench icon , you can select the Auxiliary tab to configure auxiliary measurements. Figure 7 shows an example of an auxiliary measurement. Figure 7 Auxiliary parameters tab In the above example, the Aux1 request string has been set to GPS:STL:BPMP?<CR> and the Aux2 request string has been set to GPS:STL:BPMR?<CR>.
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Page 33: Sending Manual Commands To The Receiver
Chapter 3 GPSCon Utility Using GSPCon The labels and parameters are completed by default for traces 1 through 5. Any of the eight traces can be replaced by auxiliary traces as described in “Auxiliary parameters” 14. Press the Help button for a full description of each option in the Traces tab. on page Sending manual commands to the receiver You can send SCPI commands manually by using the drop-down box in the upper left... - Page 34 Chapter 3 GPSCon Utility Using GSPCon Figure 10 Graph display You can set the horizontal range of the graph using the mouse. Perform the following steps to set the horizontal range. Set the start time by clicking on the point that marks the left side of the curve to be magnified.
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Page 35: Exporting Graphics
Chapter 3 GPSCon Utility Using GSPCon Figure 11 Expanded graph display When you have locked the start and stop time using the mouse, you can scroll left or right through the data: • To scroll to a later time, use Shift + Left click •... -
Page 36: Interpreting The Data
Chapter 3 GPSCon Utility Interpreting the Data • To manually export in accordance with the settings, press the 'Export' button. Interpreting the Data Figure shows an example of data acquired by a GPSDO unit over a period of time of more than 200 hours. - Page 37 Chapter 3 GPSCon Utility Interpreting the Data Figure 13 Zoomed captured data example The image shows a phase offset error of the internal OCXO to the UTC GPS reference. The maximum drift is -77 ns to +93 ns. The average is (TI = -0.03 ns).
- Page 38 Chapter 3 GPSCon Utility Interpreting the Data PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page 20 22171774, R000 April 2023...
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Page 39: Scpi Commands
SCPI Commands Chap ter 4 The following topics are discussed in this chapter: • “Introduction” on page 22 • “General SCPI commands” on page 22 • “GPS Subsystem” on page 23 • “PTP SUBSYSTEM” on page 53 • “PTIME Subsystem” on page 59 •... -
Page 40: Introduction
Chapter 4 SCPI Commands Introduction Introduction The Standard Commands for Programmable Instrumentation (SCPI) subsystem is accessed using a mini-USB or RS-232 serial cable and a terminal program. By default, the terminal settings are 115200, 8N1, no flow-control. A number of commands that can be used are listed below. To get a listing of the available commands, send the HELP? query. -
Page 41: Help
Chapter 4 SCPI Commands GPS Subsystem For example: Jackson Labs, PNT-6220, Firmware Rev 0.71 HELP? Returns a list of available commands. GPS Subsystem NOTE The PNT-62xx displays antenna height in MSL Meters rather than in GPS Meters on all commands that return antenna height (unless otherwise specified). - Page 42 Chapter 4 SCPI Commands GPS Subsystem • GPS:PASHR <int> [0,255] • GPS:GPGSA <int> [0,255] • GPS:GPGSV <int> [0,255] • GPS:SATellite:TRAcking:COUNt? • GPS:SATellite:VISible:COUNt? • GPS:JAMlevel? • GPS:FWver? • GPS:INITial:DATE <yyyy,mm,dd> • GPS:INITial:TIME <hour,min,sec> • GPS:SYSTem:SELect [GPS | SBAS | QZSS | GAL | BD ^ GLO] •...
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Page 43: Gps:satellite
Chapter 4 SCPI Commands GPS Subsystem • GPS:STL:RESET <ONCE | WARMUP|HOLD|OFF> • GPS:STL:RESET:AUTO <int> [0,604800] • GPS:STL:SCPI <ASCII> <command> • GPS:STL:ISP ON • GPS:STL:BPMProcessed? • GPS:STL:BPMReceived? • GPS:STL:PFOM? • GPS:STL:TFOM? • GPS:STL:EXTCLOCK <ON|OFF> • GPS:STL:AGC <int> [500,2700] • GPS:STL:CNO? • GPS:STL:CNO:MINTHReshold <float>... - Page 44 Chapter 4 SCPI Commands GPS Subsystem information that can be used by standard navigation applications via the PNT-62xx serial interface. Not all standard NMEA messages such as GSA and GSV will be supported in STL receiver mode (GPS:TYPE:MODE STL). The instrument will send out the enabled NMEA information on the serial transmit pins automatically every N seconds.
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Page 45: Gps:gpgga
Chapter 4 SCPI Commands GPS Subsystem The time and date are properly output with correct UTC synchronization to the 1PPS signal immediately prior to the data being sent. Once set, the following command settings will be stored in NV memory, and generate selected NMEA sentence output information even after power to the unit has been cycled.[0,255] -
Page 46: Gps:gpgll
Chapter 4 SCPI Commands GPS Subsystem This command replaces the regular NMEA GGA validity flag with a decimal number indicating the lock-state of the unit. See “SERVo:TRACe <int> [0,255]” on page 94 a detailed description of the lock state variable. The command allows capture of the position and other information available in the GGA command, as well as tracking the lock state and health of the unit’s OCXO performance simultaneously.[0,255] -
Page 47: Gps:gpgsa
Chapter 4 SCPI Commands GPS Subsystem The RMC output message header includes the talker ID for the currently enabled GNSS system(s) or STL receiver mode as described in “NMEA Support” on page GPS:GPGSA <int> [0,255] This command instructs the PNT-62xx to send the NMEA standard GSA message every N seconds, with N in the interval [0,255].[0,255] -
Page 48: Gps:xyzspeed
Chapter 4 SCPI Commands GPS Subsystem With multiple GNSS systems enabled, a typical sky view may generate up to six GSV messages per second per talker ID. GPS:XYZSPeed <int> [0,255] This command is a 3D velocity vector output command. Enabling this command will output a 3 dimensional velocity vector indicating the unit’s speed in centimeters per second in the ECEF coordinate system.[0,255] -
Page 49: Gps:pashr
Chapter 4 SCPI Commands GPS Subsystem GPS:GPZDA? The GPZDA string has the following data format: $GPZDA,hhmmss.00,dd,mm,yyyy,+00,00*[checksum] The ZDA output message header includes the talker ID for the currently enabled GNSS system or systems as described in “NMEA Support” on page GPS:PASHR <int>...[0,255] -
Page 50: Gps:pjlts
Chapter 4 SCPI Commands GPS Subsystem This command has the following format: GPS:PASHR <int> [0,255] This command will query the state of this command: GPS:PASHR? GPS:PJLTS <int> [0,255] This command instructs the PNT-62xx to send the proprietary NMEA string $PJLTS every N seconds, with N in the interval [0,255].[0,255] - Page 51 Chapter 4 SCPI Commands GPS Subsystem lower velocity applications, effectively reducing noise and multipath interference. Applications with high acceleration can now be used with fast filter settings to allow for the most accurate GPS coordinates to be provided in high-dynamic applications such as Jet aircraft.
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Page 52: Gps:dynamic:mode 8 (Automatic Dynamic Mode)
Chapter 4 SCPI Commands GPS Subsystem GPS:DYNAMic:MODE 8 (Automatic Dynamic Mode) Automatic Dynamic Mode allows the PNT-62xx GNSDO firmware to automatically configure the GNSS receiver Kalman filter parameters based on actual mission velocities and motion profiles. The unit will try to set the GNSS receiver to the optimal setting for any given velocity. -
Page 53: Gps:dynamic:state
Chapter 4 SCPI Commands GPS Subsystem GPS:DYNAMic:STATe? This query returns the actual state of the dynamic model, chosen by the firmware to be applied to the GNSS receiver depending on vehicle velocity. It returns a value between 0 and 7, which correspond to one of the dynamic models defined in Table 6 on page 33 This state can be different from the user-selected Dynamic model mode for two reasons:... -
Page 54: Gps:reference:pulse:sawtooth
Chapter 4 SCPI Commands GPS Subsystem GPS:REFerence:PULse:SAWtooth? This command returns the momentary sawtooth correction factor that the GNSS receiver indicated. GPS:RESET ONCE This command issues a reset to the internal GNSS receiver. This can be helpful when changing the antenna for example, since the GNSS receiver measures the antenna system’s C/No right after reset, and adjusts its internal antenna amplifier gains accordingly. -
Page 55: Gps:survey:duration
Chapter 4 SCPI Commands GPS Subsystem The Survey parameters can be set with the GPS:SURVey:DURation <sec> and GPS:SURVey:VARIANCE <mm^2> commands. The GNSS receiver will stop the Survey when the minimal duration has been reached and the variance of the average position is under the specified minimum variance. GPS:SURVey:DURation <sec>... -
Page 56: Gps:survey:status
Chapter 4 SCPI Commands GPS Subsystem GPS:SURVEY:STATUS? This query displays the current status of the survey. The status of the survey is in one of the 3 states: • ACTIVE: a survey is in progress • VALID: a survey has been achieved successfully and the GNSS receiver is now using this Hold position as reference. -
Page 57: Gps:rtc:date
Chapter 4 SCPI Commands GPS Subsystem GPS:INITial:TIME? GPS:RTC:DATE <yyyy,mm,dd> This command allows setting the hardware RTC DATE manually when operating the unit in GNSS denied environments. The on-board super-capacitor C63 will keep the hardware RTC clock running for additional 1+ days after removing the PNT-62xx main power supply. -
Page 58: Gps:system:lband [L1 | L2 | L3 | L5 | All]
Chapter 4 SCPI Commands GPS Subsystem GPS:SYST:SEL? The PNT-62xx will respond to the query with the list of enabled GNSS systems such as: GPS SBAS GAL GLO GPS:SYSTem:LBAND [L1 | L2 | L3 | L5 | ALL] This command configures the L band signal usage in PVT solution of SEPTENTRIO receiver when SEPTENTRIO type is selected in GPS:TYPE? settings. -
Page 59: Gps:system:timesource
Chapter 4 SCPI Commands GPS Subsystem The following example command will enable all available L band signals for satellite tracking: GPS:SYST:BANDTRAC ALL The following example command will enable satellite tracking of L5 band signals only if current enabled constellations in “GPS:SYSTem:SELect [GPS | SBAS | QZSS | GAL | BD ^ GLO]”... -
Page 60: Gps:height
Chapter 4 SCPI Commands GPS Subsystem GPS:HEIGHT? This command returns the output from the following queries: GPS:HEIGHT:MSL? GPS:HEIGHT:GPS? GPS:HEIGHT:MSL? This query returns the Mean Sea Level height in meters which differs from the GPS ellipsoid height by up to +/-100 meters. This feature is not supported for STL receiver mode. -
Page 61: Gps:position:ecef
Chapter 4 SCPI Commands GPS Subsystem GPS:POSition:ECEF? This query will return the earth-centered, earth-fixed X,Y, and Z coordinates as well as the position accuracy of the GNSS receiver. This query is not currently supported for STL receiver mode. GPS:CNOthres <int> [1,40] This command allows the user to set a carrier to noise threshold for GNSS receiver ONLY. -
Page 62: Gps:passthru:timeout
Chapter 4 SCPI Commands GPS Subsystem GPS:PASSthru <GNSS|RSRSCPI|STL|TOD|CSAC|RSRGPS|MCE|RSRDEB UG> This command allows the user to select a source for pass-through mode for debugging ONLY. Pass-through mode will allow one of these sources to pass data through their respective COM ports. The GNSS pass-through command will allow either uBlox or Septentrio data to pass through depending on the GNSS receiver connected. -
Page 63: Gps:type
Chapter 4 SCPI Commands GPS Subsystem GPS:TYPE? This query will return the current detected or selected receiver source. The possible receiver types are: • AUTO DETECTING • UBLOX • SEPTENTRIO • GPS:TYPE:MODE <AUTO|UBLOX|SEPTentrio|STL> This command will override the current receiver mode settings to the user selected mode. -
Page 64: Gps:gnss:reset Once
Chapter 4 SCPI Commands GPS Subsystem GPS:GNSS:RESET ONCE This command will issue a restart sequence for the uBlox/Mosaic GNSS receiver. The uBlox/Mosaic GNSS receiver will be initialized to its default settings after the reset. GPS:GNSS:POWer <ON|OFF> This command will power on/power down the uBlox/Mosaic GNSS receiver. When the uBlox/Mosaic is powered on from off settings, it will conduct a cold start and initialize the uBlox/Mosaic. -
Page 65: Gps:stl:reset:auto
Chapter 4 SCPI Commands GPS Subsystem GPS:STL:RESET:AUTO <int> [0,604800] This command will configure the reset state of STL-2600™ board if mounted. This command adjusts the length of time during which the FASTLOCK feature is active, please see “SERVo:FASTlock <int> [1,20]” on page The length can be set from 100 seconds to 20000 seconds.[0,604800] -
Page 66: Gps:stl:pfom
Chapter 4 SCPI Commands GPS Subsystem GPS:STL:PFOM? This query will return the current Position Figure of Merit (PFOM) value in range of 1 to 9 for STL-2600™ solution. GPS:STL:TFOM? This query will return the current Time Figure of Merit (TFOM) value in range of 1 to 9 for STL-2600™... -
Page 67: Gps:stl:cno
Chapter 4 SCPI Commands GPS Subsystem GPS:STL:AGC? GPS:STL:CNO? This query command responds with the maximum STL CNO value observed since power on. GPS:STL:CNO:MINTHReshold <float> [1.0,100.0] This command allows the user to configure the minimum carrier to noise (C/No) threshold for any burst to be further processed in the STL solution. The default minimum C/No threshold value is 40.0 dB. -
Page 68: Gps:stl:clockmodel
Chapter 4 SCPI Commands GPS Subsystem All bursts used in STL solution will need to have Doppler value inside the range of minimum threshold configured in GPS:STL:DOPpler:MINimum <double> [- 36000.000000,0.0] command and maximum threshold configured in this command. This command has the following format: RECEiver:STL:DOPpler:MAXimum <double>...[1E-20,1.0] -
Page 69: Gps:stl:clockmodel:medium
Chapter 4 SCPI Commands GPS Subsystem GPS:STL:CLOCKmodel:FAST? GPS:STL:CLOCKmodel:MEDium <double> [1E-20,1.0] This command allows the user to choose a clock model for the integrated STL-2600™ module. A smaller numeric value would instruct the STL receiver to expect higher stability in reference clock. NOTE The consequence to stability of configuring a somewhat optimistic, i.e.[1E-20,1.0] -
Page 70: Gps:stl:servo:loop
Chapter 4 SCPI Commands GPS Subsystem ALERT If the new OTA key is received, the existing key will be overwritten. Subscription state may have changed and affected receiver operation. This is expected behavior in response to an OTA update. This command has the following format: GPS:STL:SUBScription:AUTHKEY <string>... -
Page 71: Ptp Subsystem
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP SUBSYSTEM The PNT-62xx includes a High Precision IEEE1588 PTP phase and frequency synchronization engine that module supports PTP Master, slave, boundary, and gateway clock operation. Among the features of the device include PPS in and out functionality with a stability of +25ns to UTC. -
Page 72: Ptp:led
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP:LED <ON|OFF> This command will turn the PTP LED light on or off. This command has the following format: PTP:LED <ON|OFF> This command will query the state of this command: PTP:LED? PTP:HMI <COMMAND> This command allows the user to write HMI commands to the M88. See the M88 HMI command list in the M88 user manual for more information on the M88. -
Page 73: Ptp:mode:number
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP:MODE:NUMber <int> [0,5] This command returns or sets the mode number that corresponds to the PTP:MODE settings. Table 8 describes the number settings. Table 8 PTP:MODE:NUMBER settings Number PTP:MODE Setting Description AUTO In Auto mode, the device switches between master and slave on the network, depending on the availability of synchronization sources and other grand...[0,5] -
Page 74: Ptp:ip:static
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP:IP:STATic <XXX.XXX.XXX.XXX> The PTP’s IP will be set to a static IP address that the user enters with this command. This command has the following format: PTP:IP:STATic <XXX.XXX.XXX.XXX> This command will query the state of this command: PTP:IP:STATic? PTP:DHCP <ON|OFF>... -
Page 75: Ptp:mceversion
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP:MCEVersion? This query returns the version number of the PTP module’s application version. PTP:CLKQuality <CLASS,ACCURACY,VARIANCE> [<int>[0,255], <int>[0,255], <short>[0,65535]> This command sets or queries the clock quality parameters including clock class, accuracy and variance that are communicated to other PTP devices on the network. See the IEEE 1588 standard for additional information. -
Page 76: Ptp:portdata:sync
Chapter 4 SCPI Commands PTP SUBSYSTEM PTP:PORTData:SYNC <int> [-8, 2] This command sets or queries the sync parameter for the PTP module. See the IEEE 1588 standard for additional information. PTP:PORTData:DELAYreq <int> [-7, 7] This command sets or queries the delay requests parameter for the PTP module. See the IEEE 1588 standard for additional information.[-8, 2] -
Page 77: Ptime Subsystem
Chapter 4 SCPI Commands PTIME Subsystem Table 9 PTP? results PTP SYNC STATE – SYNCED: – In Master mode, this means the PTP engine is synchronized to the 1PPS source (GPS, STL, etc.) – In Slave Mode, this means the slave is synchronized to the master PTP clock. -
Page 78: Ptime:time:string
Chapter 4 SCPI Commands PTIME Subsystem PTIe:TIME? Returns the current 24-hour time. The local time is referenced to UTC time. The hour, minute, and second is returned. PTIMe:TIME:STRing? This query returns the current 24-hour time suitable for display (for example, 13:24:56). PTIMe:TINTerval? This query is equivalent to the command SYNChronization:TINTerval? PTIMe:OUTput <ON|OFF>... -
Page 79: Ptime:leapsecond:pending
Chapter 4 SCPI Commands PTIME Subsystem LEAPSECOND ACCUMULATED: 16 LEAPSECOND DATE: 2015,6,30 LEAPSECOND DURATION: 61 NOTE The unit stores pending leap second events in NV memory and applies them correctly, even if the antenna is removed prior to the leap second, as long as the pending information has been stored in NV memory and the unit has a properly set RTC time and date. -
Page 80: Ptime
Chapter 4 SCPI Commands SYNChronization Subsystem PTIMe? The PTIMe? command is unrelated to OCXO disciplining. For more information on OCXO disciplining, please refer to “SYNChronization Subsystem” on page This query returns the results of the following queries at once: • PTIMe:DATE? •... -
Page 81: Synchronization:holdover:duration
Chapter 4 SCPI Commands SYNChronization Subsystem SYNChronization:HOLDover:DURation? This query returns the duration of the present or most recent period of operation in the holdover and holdover processes. This is the length of time the reference oscillator was not locked to GNSS receiver 1PPS, and thus “coasting”. The time units are seconds. The first number in the response is the holdover duration. -
Page 82: Synchronization:source:mode
Chapter 4 SCPI Commands SYNChronization Subsystem SYNChronization:SOURce:MODE <STL|GPS|PTP|EXTernal|REF10Mhz|PRIority> The board may be configured to lock to an external PPS source rather than the GNSS or STL receiver or PTP module with this command. This command selects between the EXTernal, GPS, PTP, STL, and PRIority sync modes as the1PPS source. -
Page 83: Synchronization:source:priority:reset Default
Chapter 4 SCPI Commands SYNChronization Subsystem SYNChronization:SOURce:PRIority <STL|GPS|PTP|EXTernal> where multiple sources are listed separate by spaces. For example, the following command enables STL as the highest priority source followed by PTP as the second priority source: SYNChronization:SOURce:PRIority STL PTP The following command returns the current priority list setting stored in NV memory: SYNChronization:SOURce:PRIority? SYNChronization:SOURce:PRIority:RESET DEFAULT This command is not currently supported in PNT-62xx. -
Page 84: Synchronization:source:mode:edge
Chapter 4 SCPI Commands SYNChronization Subsystem SYNChronization:SOURce:MODE:EDGE <NEGative|POSitive> This command is not currently supported in PNT-62xx. SYNChronization:SOURce:STATe? This command returns the state of the SYNC:SOUR:MODE command, and may return GPS, STL, PTP or EXTERNAL. SYNChronization:SOURce:STATe:VALue? This command returns the state of the SYNC:SOUR:MODE command in numeric value, and may return 1 for STL, 2 for GPS, 3 for PTP or 4 for EXTERNAL. -
Page 85: Synchronization:immediate
Chapter 4 SCPI Commands SYNChronization Subsystem before the loop algorithms can pull the phase error toward 0ns. The following command queries the state of SYNChronization:TINTerval:THReshold: SYNChronization:TINTerval:THReshold? SYNChronization:IMMEdiate This command initiates a near-instantaneous alignment of the GNSS/STL/PTP/EXT 1PPS and Receiver output 1 PPS. To be effective, this command has to be issued while not in holdover. -
Page 86: Synchronization:output:1Pps:width
Chapter 4 SCPI Commands SYNChronization Subsystem SYNChronization:OUTput:1PPS:WIDTH <int> <ms | us> [100us, 500ms] This command allows configuration of the 1PPS active high pulse width. The default pulse width on the standard PNT-62xx is 200 milliseconds and the pulse can be configured from 100 microseconds to 500 milliseconds.[100Us, 500Ms] -
Page 87: Synchronization:health:alarmdelay:holdover
Chapter 4 SCPI Commands SYNChronization Subsystem If the power supply or OCXO voltage is too high HEALTH STATUS |= 0x40; If the power supply or OCXO voltage is too low HEALTH STATUS |= 0x80; If the short-term-drift (ADEV @ 100s) > 100ns HEALTH STATUS |= 0x100;...[0,604800] -
Page 88: Diagnostic Subsystem
Chapter 4 SCPI Commands DIAGnostic Subsystem • SYNChronization:SOURce:STATe? • SYNChronization:OUTput:1PPS:RESET? • SYNChronization:OUTput:1PPS:WIDTH? • SYNChronization:LOCKed? • SYNChronization:HOLDover:STATE? • SYNChronization:HOLDover:DURation? • SYNChronization:FEEstimate? • SYNChronization:TINTerval? • SYNChronization:TINTerval:THReshold? • SYNChronization:HEAlth? DIAGnostic Subsystem This subsystem regroups the queries related to the diagnostic of the OCXO.The list of the commands supported for this subsystem is as follows: •... -
Page 89: Diagnostic:lifetime:count
Chapter 4 SCPI Commands CSAC Subsystem This command will query the state of this command: DIAGnostic:ROSCillator:EFControl:ABSolute? DIAGnostic:LIFetime:COUNt? This command returns the number of hours the unit has been powered-on. DIAGnostic:LIFetime:SECond? This command returns the number of seconds the unit has been powered-on. DIAGnostic? Sending the command DIAG? returns the result of the three following queries: •... -
Page 90: Csac:steer
Chapter 4 SCPI Commands CSAC Subsystem FAIL, there is a communication breakdown, and the unit should be power cycled to clear the communication error. CSAC:STeer? This query returns the current Frequency Adjustment in units of parts-per-trillion (1E- 012). The Frequency Adjustment is relative to the latched frequency stored in the CSAC or MAC. -
Page 91: Csac:alarm
Chapter 4 SCPI Commands CSAC Subsystem Table 10 CSAC Status definitions Status Definition Heater Equalibration Initial Warm-up Asleep (ULP mode only) CSAC:ALarm? Returns the Alarm value of CSAC oscillator, as shown in Table Table 11 Alarm values Alarm Definition 0x0001 Signal Contrast Low 0x0002 Synthesizer Tuning at Limit... -
Page 92: Csac:contrast
Chapter 4 SCPI Commands CSAC Subsystem If the CSAC is attached to the PTN-62xx, this query returns its mode as shown in Table Table 12 Mode values Mode Definition 0x0001 Analog Tuning Enable 0x0002 Reserved 0x0004 Reserved 0x0008 1 PPS Auto-Sync Enable 0x0010 Discipline Enable 0x0020... -
Page 93: Csac:temp
Chapter 4 SCPI Commands CSAC Subsystem CSAC:TEMP? If the CSAC is attached to the PNT-62xx, this query will return the temperature measured by the unit in °C. Absolute accuracy is +/- 2°C. If a Microsemi Rubidium is attached to the PNT-62xx, the temperature measured by the Microsemi Rubidium oscillator unit is in °C. -
Page 94: Csac:power
Chapter 4 SCPI Commands CSAC Subsystem CSAC:POWer <ON|OFF> This command is compatible with the CSAC. By default the normal power mode is ON and sending CSAC:POWer OFF command will put the CSAC in ULP mode. The power will always be shown as ON with the Rubidium attached to the PNT-62xx. The CSAC may lose atomic lock while in ULP mode. -
Page 95: Rfoutput Subsystem
Chapter 4 SCPI Commands RFOUTput Subsystem RFOUTput Subsystem This subsystem regroups the commands related to the functionality of the on-board Micro-Transcoder order option. The list of the commands supported for this subsystem is as follows: • RFOUTput <ON|OFF> • RFOUTput:POWer <float> [-200.0, 200.0] •... -
Page 96: Rfoutput:dcblock
Chapter 4 SCPI Commands RFOUTput Subsystem RFOUTput:POWer <float> [-200.0, 200.0] This command will query the state of this command: RFOUTput:POWer? RFOUTput:DCBlock <ON|OFF> This command will enable or disable the transcoding RF output signal on the Micro- Transcoder. Transcoding is enabled by default. If the Transcoder is not transcoding properly, try sending the RFOUT ON command once. -
Page 97: Rfoutput:sim:holdover:limit
Chapter 4 SCPI Commands MEASURE Subsystem This command has the following format: RFOUTput:SIM:HOLDover <ON|OFF|LIMIT> When the LIMIT mode is selected, the limit time is specified with the SIM:HOLD:LIMIT command, and the RF output is disabled when the unit reaches the specified holdover time limit described in “RFOUTput:SIM:HOLDover:LIMIT <int>...[5, 86400] -
Page 98: Measure:bpowersupply
Chapter 4 SCPI Commands System subsystem MEASure:BPOWersupply? This query returns the voltage supplied by voltage supply B. MEASure:SUPPLY5Volt? This query returns the voltage supplied by the 5V voltage source. MEASure? This query returns the result of the three following queries: •... -
Page 99: System:communicate:serial:echo
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> • SYSTem:COMMunicate:RSRGPS:MODE <ON|OFF> • SYSTem:COMMunicate:MCE:BAUD <9600 | 19200 | 38400 | 57600 | 115200> • SYSTem:COMMunicate:MCE:MODE <ON|OFF> • SYSTem:POWer <SLEEP|DSLEEP|PDOWN|DPDOWN> • SYSTem:COMMunicate:DLOAD <STL|GNSS|TRANscoder> • SYSTem:STATus? • SYSTem:FACToryReset ONCE • SYSTem:CPURESET • SYSTem:ISP SYSTem:COMMunicate:SERial:ECHO <ON|OFF> This command enables/disables echo on the SCPI serial port. -
Page 100: System:communicate:gnss:baud <9600|19200|38400|57600|115200
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> SYSTem:COMMunicate:SERial:FAST? SYSTem:COMMunicate:GNSS:BAUD <9600 | 19200 | 38400 | 57600 | 115200> This command sets the GNSS receiver’s serial speed. This command will work for both the uBlox and Septentrio GNSS receivers. The serial configuration is always 8 bit, 1 stop bit, no parity, no flow control. -
Page 101: System:communicate:rsrscpi:mode
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> SYSTem:COMMunicate:RSRSCPI:MODE <ON|OFF> This command will enable or disable the communication for SCPI port of the Micro- Transcoder port. This command has the following format: SYSTem:COMMunicate:RSRSCPI:MODE <ON|OFF> This command will query the state of this command: SYSTem:COMMunicate:RSRSCPI:MODE? SYSTem:COMMunicate:STL:BAUD <9600 | 19200 | 38400 | 57600 | 115200>... -
Page 102: System:communicate:tod:mode
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> SYSTem:COMMunicate:TOD:BAUD <9600 | 19200 | 38400 | 57600 | 115200> This command will query the state of this command: SYSTem:COMMunicate:TOD:BAUD? SYSTem:COMMunicate:TOD:MODE <ON|OFF> This command will enable or disable the communication for the PTP TOD serial port. This command has the following format: SYSTem:COMMunicate:TOD:MODE <ON|OFF>... -
Page 103: System:communicate:rsrgps:baud <9600 | 19200 | 38400 | 57600 | 115200
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> SYSTem:COMMunicate:RSRGPS:BAUD <9600 | 19200 | 38400 | 57600 | 115200> This command sets the serial speed for GPS port of the Micro-Transcoder port. The serial configuration is always 8 bit, 1 stop bit, no parity, no flow control. The factory default setting is 115200 baud. -
Page 104: System:power
Chapter 4 SCPI Commands SYSTem:COMMunicate:SERial:ECHO <ON|OFF> SYSTem:COMMunicate:MCE:MODE <ON|OFF> This command will query the state of this command: SYSTem:COMMunicate:MCE:MODE? SYSTem:POWer <SLEEP|DSLEEP|PDOWN|DPDOWN> This command configures the power-down state of the microprocessor. The possible states include: sleep, deep sleep, power down mode, or deep power down mode. The SLEEP command puts the device into a power saving state where all actions are stopped. -
Page 105: System:cpureset
Chapter 4 SCPI Commands SERVO Subsystem SYSTem:CPURESET This command causes the PNT-62xx processor to reset. SYSTem:ISP This command causes the PNT-62xx processor to reset into In System Programming (ISP) mode for firmware upgrades. Please see “Introduction” on page 22 for details on updating the firmware in ISP mode. -
Page 106: Servo:fastlock
Chapter 4 SCPI Commands SERVO Subsystem SERVo:FASTlock <int> [1,20] The FASTlock command enables the FASTLOCK mode, and sets its gain parameter. Fastlock works by momentarily multiplying the EFCScale gain to a value determined by this SERVo:FASTlock parameter. Gain values of 1x to 20x can be set, with a gain of 1x effectively disabling the FASTLOCK feature.[1,20] -
Page 107: Servo:coarsedac
Chapter 4 SCPI Commands SERVO Subsystem This command has the following format: SERVo:FALEngth <int> [100,20000] This command will query the state of this command: SERVo:FALEngth? SERVo:COARSedac <int> [0,255] This command sets the coarse DAC that controls the EFC. The PNT-62xx control loop automatically adjusts this setting.[0,255] -
Page 108: Servo:mode:medduration
Chapter 4 SCPI Commands SERVO Subsystem SERVo:MODE:FASTDURation? SERVo:MODE:MEDDURation <int> [60, 604800] This command sets the minimum duration for remaining in the medium filter state when the SERVo:MODE AUTO setting is enabled. This setting is useful for preventing cycling between filter states with an unstable reference. The following command returns the current setting: SERVo:MODE:MEDDURation? SERVo:STATe?[60, 604800] -
Page 109: Servo:efcscale:medium
Chapter 4 SCPI Commands SERVO Subsystem SERVo:EFCScale:MEDium <float> [0.0,500.0] This command controls the SERVo:EFCScale setting when the servo state as reported by the SERVo:STATe? query is MEDIUM. The servo state and this setting only apply for the STL synchronization source. SERVo:EFCScale:FAST <float>...[0.0,500.0] -
Page 110: Servo:tempcompensation
Chapter 4 SCPI Commands SERVO Subsystem SERVo:SLOPe <NEG|POS> This command will query the state of this command: SERVo:SLOPe? SERVo:TEMPCOmpensation <float> [-4000.0, 4000.0] This command is not currently supported in PNT-62xx. This parameter represents the value needed to compensate the temperature of the TCXO in holdover mode. This command has the following format: SERVo:TEMPCOmpensation [-4000.0, 4000.0] This command will query the state of this command:...[-4000.0, 4000.0] -
Page 111: Servo:phasecorrection:fast
Chapter 4 SCPI Commands SERVO Subsystem SERVo:PHASECOrrection:FAST <float> [-500.0,500.0] This command controls the SERVo:PHASECOrrection setting when the servo state as reported by the SERVo:STATe? query is FAST. The servo state and this setting only apply for the STL synchronization source. SERVo:1PPSoffset <int>...[-500.0,500.0] -
Page 112: Servo:dbgmode
Chapter 4 SCPI Commands SERVO Subsystem SERVo:DBGMode <int> [0, 255] This command sets the debug level that enables/disables debug messages to print for debugging ONLY. A level of 0 indicates no debug messages will print and a level greater than 0 will begin printing debug messages. This command has the following format: SERVo:DBGMode [0, 255] This command will query the state of this command:...[0, 255] -
Page 113: Servo
Chapter 4 SCPI Commands SERVO Subsystem SERVo? This command returns the result of the following queries: • SERVo:MODE? • SERVo:STATe? • SERVo:MODE:FASTDURation? • SERVo:MODE:MEDDURation? • SERVo:DACGain? • SERVo:EFCScale? • SERVo:EFCScale:MEDium? • SERVo:EFCScale:FAST • SERVo:PHASECOrrection? • SERVo:PHASECOrrection:MEDium? • SERVo:PHASECOrrection:FAST? • SERVo:EFCDamping? •... - Page 114 Chapter 4 SCPI Commands SERVO Subsystem PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page 96 22171774, R000 April 2023...
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Page 115: Firmware Upgrade
Firmware Upgrade Chap ter 5 The following topics are discussed in this chapter: • “Introduction” on page 98 • “ISP Flash Loader Utility installation” on page 98 • “Putting the PCB into In-Circuit Programming (ISP) mode” on page 98 • “Downloading the firmware”... -
Page 116: Introduction
Chapter 5 Firmware Upgrade Introduction Introduction The following sections provide instructions on how to upgrade the PNT-62xx firmware. Please follow the instructions in order to prevent accidentally corrupting the PNT-62xx Flash. ISP Flash Loader Utility installation Jackson Labs Technologies, Inc. recommends using the JLTerm application to upgrade the contents of Flash memory on the PNT-62xx. -
Page 117: Using The Jlterm Programming Terminal
Chapter 5 Firmware Upgrade Downloading the firmware Using the JLTerm programming terminal Download the JLTerm application from http://www.jackson-labs.com/index.php/ support. Install and open the JLTerm application. Select the COM port in JLTerm as needed on your PC. Once a successful connection is established, the connection icon becomes green, as shown in Figure 14. - Page 118 Chapter 5 Firmware Upgrade Downloading the firmware Figure 15 Open Hex file and download firmware If an error occurs during the programming process: Check the USB cable connection. While the unit is still in ISP mode after the error occurred, follow the steps in “Using the Flash Magic programming utility”...
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Page 119: Using The Flash Magic Programming Utility
Chapter 5 Firmware Upgrade Downloading the firmware Using the Flash Magic programming utility Perform the following steps to use the Flash Magic programming utility. NOTE The following procedure is for Flash Magic version 12.1 or later. For version 11.20 or older, refer to “Using the Flash Magic classic version”... -
Page 120: Using The Flash Magic Classic Version
Chapter 5 Firmware Upgrade Downloading the firmware The firmware is downloaded to the processor. Verify the firmware update as described in “Verifying the firmware update” on page 104. Using the Flash Magic classic version NOTE The following procedure is for Flash Magic version 11.20 or earlier. For version 12.1 or later, refer to “Using the Flash Magic programming utility”... - Page 121 Chapter 5 Firmware Upgrade Downloading the firmware Figure 20 Communications options Click OK to return to the main menu. Click the Select Device button. The Device Selection window appears, as shown Figure Figure 21 Device selection PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 103...
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Page 122: Verifying The Firmware Update
Chapter 5 Firmware Upgrade Verifying the firmware update Expand the ARM CORTEX folder and select the appropriate processor, in this case LPC18S37. 10 Configure the following parameters, as shown in Figure: – Baud Rate: 115200 – Oscillator (MHz): 10.0 11 Check the Erase blocks used by Hex File box. ALERT Do NOT check the box marked Erase all Flash. -
Page 123: Certification And Warranty
Certification and Warranty Chap ter 6 This chapter discusses the following topics: • “Certification” on page 106 • “Warranty” on page 106 • “Exclusive Remedies” on page 106 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 105... -
Page 124: Certification
Chapter 6 Certification and Warranty Certification Certification Jackson Labs Technologies, Inc. certifies that this product met its published specifications at time of shipment. Warranty This Jackson Labs Technologies, Inc. hardware product is warranted against defects in material and workmanship for a period of 1 (one) year from date of delivery. During the warranty period Jackson Labs Technologies, Inc. -
Page 125: Appendix A Document Revision History
Document revision history Appendix A Table 1 PNT-62xx Assured Position, Navigation, and Timing Reference User Guide, 22171774 Revision Date Details R000 April 2023 Initial release of document. PNT-62xx Assured Position, Navigation, and Timing Reference User Guide April 2023 22171774, R000 Page 107... - Page 126 Appendix A Document revision history PNT-62xx Assured Position, Navigation, and Timing Reference User Guide Page 108 22171774, R000 April 2023...
- Page 128 22171774 R000, April 2023 English Viavi Solutions North America: 1.844.GO VIAVI / 1.844.468.4284 Latin America +52 55 5543 6644 EMEA +49 7121 862273 APAC +1 512 201 6534 All Other Regions: viavisolutions.com/contacts email TAC@viavisolutions.com Address 1445 South Spectrum Blvd., Suite 102, Chandler, AZ, 85286, USA...
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