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DOC 6511_Release K

ATS-6511A/B/C Users Guide

63

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 connectors

BNC(F)

Impedance

50

Ω

Amplitude

+13 dBm +/- 2 dBm

Signal

Sine Wave

Harmonic

< -40 dBc

Phase Noise

ATS 6511C
0.1Hz -86

dBc/Hz

1 Hz          -116 dBc/Hz
10 Hz        -138 dBc/Hz
100 Hz      -142 dBc/Hz
1 kHz        -146 dBc/Hz
10 kHz      -146 dBc/Hz
100 kHz    -157 dBc/Hz
1Mhz         -157

dBc/Hz

1 MHz Module (4395A-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)

Impedance

50

Ω

Amplitude

+13dbm +/- 2dBm

Signal

Sine Wave

Harmonics

< -40dBc

Phase Noise

                   ATS 6511A/B        ATS 6511C
1 Hz          -120 dBc/Hz            -130 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

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Содержание ATS-6511A

Страница 1: ...ATS 6511A ATS 6511B ATS 6511C Dual Fiber Input Distribution Users Guide Version 5 x Release K Sep 2013 ...

Страница 2: ...ency external 04 18 2012 WF H Added model ATS 6511C 4395B 1 5 10 and 4385B Changed fiber alarm when in incorrect fiber_mode Improved short term stability when locked to 6501 version 4 3 5 02 18 2013 WF J Removed clock_freq_step and clock_phase_step from table 6 Added RMS to jitter spec 04 22 13 GAR K Updated for Tflex 5 x commands Firewall settings command 8 13 13 RRW ...

Страница 3: ...395A 1 4395B 1 1MHz 10 2 4 2 5 4387A Modulated IRIG NASA36 11 2 4 2 6 4399A L Band BPSK module 12 2 5 Fiber Optic Input Behavior 14 2 5 1 Auto Switching 14 2 5 2 Manual Switching 15 2 6 Fiber Modes Calibration 16 2 6 1 Two Way Mode ATS 6501 with 4372A T Fiber Card 16 2 6 2 Two Way Disabled 4372A T Fiber Card 17 2 6 3 One Way Fiber Calibration 17 2 6 4 Asymmetrical Fiber Paths To a ATS 6511 Input C...

Страница 4: ...ta Port 2101 33 3 4 4 File Transfer Protocol FTP 34 3 4 5 Simple Network Management Protocol SNMP 34 3 5 Status Command 35 3 6 System Verification 35 4 Theory of Operations 44 4 1 Generation of Timing Signals 44 4 2 Startup Sequence 44 5 Maintenance 46 5 1 Internal Inspection 46 5 2 Fiber Cable Inspection 46 5 3 Fan Filter 47 6 Troubleshooting 48 6 1 Front Panel Indications 48 6 2 Alarm Light 48 6...

Страница 5: ... Port 1900 Example 71 Appendix D Detailed Command Information 80 Appendix E System Configuration syscfg 105 Appendix F Julian Date Calendars 108 Figures Figure 1 Rear Panel Output Card Locations 7 Figure 2 Single Slot Output Module 7 Figure 3 Timing System Diagram 19 Figure 4 External Frequency Reference 20 Figure 5 ATS 6511 Front Panel 23 Figure 6 ATS 6511A Rear Panel 26 Figure 7 Rear Panel Fiber...

Страница 6: ......

Страница 7: ...ng from a single supply in the event one of the two power supplies fails 1 2 Ordering Information ATS 6511A Standard dual fiber input time and frequency distribution chassis Dual AC input supplies included Requires an external fiber time and frequency reference and includes two 1 PPS DC IRIG one 10 MHz and one AM IRIG output module ATS 6511B Long term holdover capability dual fiber input time and ...

Страница 8: ...6511 This card will not operate in the ATS 6501 ATS 94000 115200 formerly ATS 6501 OP001 USB Console Cable Allows users to connect to the system Command Port via a serial cable This kit includes the programmed USB Serial cable and Null Modem cable to connect the USB Serial cable to a PC ATS 94001 5071A formerly ATS 6501 OP002 USB External Reference Communication Cable Provides a serial communicati...

Страница 9: ... each individual position within the display 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 Input A Input B Outputs Enabled will be turned on one at a time starting from the left to right As each LED is tested it will be green then red and then turn off with th...

Страница 10: ...layed use 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 the ATS 6511 prompt is dis...

Страница 11: ... Address Use the following steps to set the IP Address on the ATS 6511 A Telnet into the system telnet ip addr 1700 or connect to the unit via the ATS 94000 115200 USB Console Cable and the ATS 6511 prompt should appear B Use the network_config command and options to set the system to the desired network settings network_config mode DHCP static ip ip addr mask mask broadcast broadcast gateway gate...

Страница 12: ...ers to access the command port ATS 94000 115200 See section 2 2 2 2 Users can set the IP Address on the box following the instructions on section 2 2 3 B C The system will automatically connect to the command port and provide the ATS 6511 command prompt The ATS 6511B to communicate with a 5071A Cesium Clock ATS 94001 5071A See section 2 7 2 3 ATS 6511 Installation The ATS 6511 is ready for install...

Страница 13: ...ivider After removing this screw pull the divider out the back of the chassis and install the 4399 Card Once the card is installed power cycle the unit to allow the system to start up with the current card configuration At start up the unit will automatically detect and configure the system based on the cards installed The cards are also hot swappable Each of the standard output cards has four out...

Страница 14: ...lse_period See example above The system will generate an error message if the values are not correct or entered improperly To verify the settings use the settings hardware slots N command N Slot to obtain the current settings for a particular card ATS 6511 settings hardware slots 1 tsc4373 ports 1 pps_period 1 pps_width 1 000000000000000e 04 type pps 2 pps_period 1 000000000000000e 06 pps_width 5 ...

Страница 15: ...rig OK 2010 05 27T16 40 11Z Note The system will drop the leading Zeros in the signal_word To verify the card is working properly use the status hardware outputs slots N command N Slot to obtain the current settings for a particular card ATS 6511 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 13T14 27 55Z 2 4 2 2 43...

Страница 16: ...s for a particular card ATS 6501 status hardware outputs slots 4 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4395B 5 OK 2013 08 13T14 29 40Z 2 4 2 4 4395A 1 4395B 1 1MHz No programming is required for these modules These 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...

Страница 17: ... 08 13T14 31 11Z 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 N Slot to obtain the current settings for a particular card ATS 6511 settings hardware slots 5 tsc4387 ports 1 epoch_127 false format B signal_word 120 type irig 2 epoch_127 false format B signal_word 120 type i...

Страница 18: ...t settings for a particular card ATS 6511 status hardware outputs slots 5 ports 1 status good 2 status good 3 status good 4 status good power enabled type 4387A OK 2013 08 13T14 36 00Z 2 4 2 6 4399A L Band BPSK module This module provides four RF outputs and one 1 PPS output on SMA connectors and is controlled via the 9 pin RS 232 located on its panel The 4399A serial interface is via RS 232 at 11...

Страница 19: ...rns the rev number of the board sendfile erases the flash memory and waits for the input of a new BPSK file The BPSK file is transmitted via XMODEM If a BPSK signal is running when this command is issued the signal output will be stopped freq used to set the carrier frequency of the BPSK signal After freq ENTER is typed the terminal will prompt for the frequency Frequency is entered in MHz in hexa...

Страница 20: ... Input This is accomplished via the auto switching feature or the command port The default setting has Input A as the primary input the Auto Switching feature enabled the minimum time for the primary source to be valid is 60 seconds and the rearm feature is on Once the ATS 6501s are operating and their outputs are enabled they will send the reference signals via fiber to the ATS 6511 s One ATS 650...

Страница 21: ...system will remain in this mode until the operator commands the system to switch back to A fiber_switching auto A 60 Caution The system will not switch back to the primary source unless the manual option is used or until the min_valid_time has expired if you are using the auto mode with the norearm option off If there is a loss of signal on Input B the alternate source the INPUT B indicator will t...

Страница 22: ...or will turn RED and remain on if the input signal is lost 2 6 Fiber Modes Calibration The ATS 6501 6511 systems are capable of operating in three distinct modes This section assumes the on time point OTP of the system is the rear panel outputs on the ATS 6511 This may not be the desired location for the OTP users should refer to section 2 7 for information on changing the location of the OTP for ...

Страница 23: ...lications requiring the highest level of accuracy the system should be calibrated at Symmetricom This process involves installing the ATS 6501 user s antenna and antenna cable ATS 6511 and fiber optic cable s at the factory and comparing the PPS outputs to a system which has a known offset to UTC USNO Once the calibration is complete the delay values are provided to the customer when the system is...

Страница 24: ...fiber delay if the alarm light came on it will go out once the 1 PPS Value returns to within 100 ns The ATS 6511 outputs will now be accurate to the fine calibration accuracy specified in Appendix A 2 6 4 Asymmetrical Fiber Paths To a ATS 6511 Input Channel Two way mode can still be used in systems with asymmetrical transmit and receive fiber paths to a particular ATS 6511 input channel The differ...

Страница 25: ... to the user Figure 3 illustrates how to move the OTP of the system from the rear panel of the ATS 6511 to the user inputs In moving the OTP of the system it is imperative that the distribution delays from the ATS 6511 to each of the users is equal This will ensure that all users receive accurate timing signals Figure 3 Timing System Diagram Once the delay of the distribution network is known the ...

Страница 26: ...status can be determined using the status reference frequency external command ATS 6511Bs status reference frequency external communications bad 10MHz reference signal is present but the system is unable to communicate with the 5071A communications n a 10MHz reference signal is present The system will not attempt to communicate with the external reference locked true 10MHz reference signal is pres...

Страница 27: ...m configurations using the syscfg command The files can be set up so critical system parameters can be checked against user defined nominal values and when the system settings do not match the nominal values the system provides a user defined alarm string to describe the configuration mismatch This applies to any data set the system generates on Port 1900 Users can define the field and the nominal...

Страница 28: ...ht the front panel alarm light and the alarms command will provide an indication of the error ATS 6511 alarm alarm syscfg Incorrect format in slot 6 port 2 expected B actual H OK 2013 09 05T23 54 07Z ATS 6511 alarms syscfg occurrences 1 set what Incorrect format in slot 6 port 2 expected B actual H when 2013 09 05 23 53 16 800 OK 2013 09 05T23 55 35Z To get a complete list of the configuration err...

Страница 29: ...upply status Power Supply 1 is on the left power supply 2 is on the right as viewed from the front Indicator Status Off No power is being provided to the ATS 6511 Green Power supply is good and is supplying power Red ATS 6511 has power and the module has failed is not seated properly or is unplugged from the power source Table 1 Power Supply Indicator 3 1 2 Alarm Indicator The Alarm LED will turn ...

Страница 30: ...ary input if primary input is missing unit is the Auto Switch Mode Red Solid Fiber input not present or fiber mode setting is incorrect Flashing Fiber input is present unit in manual switching mode Table 4 Fiber A and B Indicators 3 1 4 Outputs Enabled Indicator This indicator provides the operator a visual indication regarding the output modules installed in the rear card slots on the unit No use...

Страница 31: ...it will not survive a system reboot or power cycle This feature can be disabled using the frontpanel_button command and setting the value to 0 Once set the value can be confirmed using the settings hardware command Make sure to save the system settings ATS 6511 frontpanel_button 0 OK 2013 08 13T18 09 02Z ATS 6511 settings hardware enable_fp_button False OK 2013 08 13T18 08 43Z 3 2 Rear Panel All h...

Страница 32: ... 4372A or 4372A T in a different ATS 6501 chassis Connection to a local area network LAN is supported by the ATS 6511 This allows users to access the unit remotely and also provides error monitoring capabilities The USB ports can be used in conjunction with a USB to Serial conversion cable ATS 94000 115200 to allow users access to the command port via a local terminal Figure 7 Rear Panel Fiber LAN...

Страница 33: ...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 do not require any additional steps To update the system with the new software 1 FTP into the system and log in usern...

Страница 34: ...etc fstab to change dev mmcsd0s1 to dev mmcsd0s2 common_updater sh Checking for new updates link common_updater sh Found new updates link creating link target directory common_updater sh Invoking product specific post extract function Sending command words 0x03a50301 0x00000000 common_updater sh FPGA warmstart register has been cleared a coldstart will occur common_updater sh Cleaning up temporary...

Страница 35: ...tware Once properly installed the ATS 6511 serves as a stand alone device which requires little to no interaction Remote error monitoring capabilities are provided as a means to ensure that the unit is powered and operating properly 3 4 1 Operating System The ATS 6511 operates a Symmetricom modified version of FreeBSD FreeBSD is a Berkeley derivative of the UNIX operating system 3 4 2 Telnet One a...

Страница 36: ...ptdraw_port Switches the command port display to port 2101 to view the raw measurements every second status_port Switch to the status port 1900 Settings settings Shows the current user control configuration settings diff Displays any difference between the current system settings and the saved user configuration file load Restore system configuration settings from a file on the disk save Save curr...

Страница 37: ... 1 10 20 60 and 300 seconds reboot Reboots the ATS 6501 restart Restarts the application without rebooting the system software_update Execute the software update routine syscfg System Configuration commands Other Commands maintenance_mode Enable maintenance mode remote_ntp_offset Returns the offset in seconds between Tflex time and that of an external NTP server sap Enable system autoswitching par...

Страница 38: ...8 24 37Z To change the settings use the diag command then specify which message types error info or debug you would like to see for the desired subsystem Example if you want to look at the debug messages for the kas2 use the diag kas2 debug command You can verify this by using the settings diaglog command ATS 6511 diag kas2 debug OK 2013 08 13T18 25 48Z ATS 6511 settings diaglog cpld4370 info fibe...

Страница 39: ...e the results Note Typically the value of the settings ptd_port This value may be different for a set of measurements once the outputs are enabled the user changes the averaging value or the port is connected or disconnected during the measurement period NN NNN ns Measurement results XXXXXXXXXX S The second from 1 Jan 1970 when the average was computed NNNNNNN uS The fractional second the average ...

Страница 40: ...to get status but does not provide SNMP trap or set capability SNMP is a protocol used by devices to share system information with a SNMP NMS responsible for 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 The Management Information Base MIB files describe the structure of the management data of a dev...

Страница 41: ...art 2013 08 05 14 23 uptime 8 days 4 hours 10 minutes ver tflex 5 1 0 OK 2013 08 13T18 34 03Z Users can further refine the requested data fields by adding the desired information line to the field to look for specific data If the user wanted to look for the system uptime the user would simply add a then the sub category under unit Additional subcategories can be added to the command line separated...

Страница 42: ...000000e 08 channelB 4340_output 0 clock_offset 6 920892494745100e 09 direct_connect true fiber_delay local 5 302163624125489e 08 remote 7 476470588235293e 08 remote_tdc_time 2011 11 07 17 22 25 rxdelay 3 650000000000000e 08 txdelay 3 650000000000000e 08 E Both fans should be operating properly hardware fan 1 true 2 true F Verify the system hardware is operating properly by ensuring the system is d...

Страница 43: ...le true power numsupplies 2 supplies 1 status good type 4385A 2 status good type 4385A temperature 30 Note Slots 2 4 will display information as shown for slots 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 G Each of the conditions monitored by the system health functions should report false and have zero active error...

Страница 44: ...nlocked active false occurrences 0 hp5071 electron_multiplier_voltage active false occurrences 0 locked active false occurrences 0 oscillator_control active false occurrences 0 signal_gain active false occurrences 0 leapseconds internal_error active false occurrences 0 ocxo_freq_control active false occurrences 0 H Each output modules 1 6 should have zero active errors and the outputs disabled and...

Страница 45: ... tcxo_failure active false The reference may report it is unlocked and the remote_tdc_starvation may show one occurrence This is typical after a power up or coldstart and these conditions will clear once locked to the fiber inputs ref_comm_error active false occurrences 0 ref_missing active false occurrences 0 ref_unlocked active false cleared what LNS is locked when 2011 11 07 17 11 01 316 occurr...

Страница 46: ...ill indicate if there is sufficient data on any external references The ocxo_freq_control should be between 98 and 98 Reference_type hp5071A reference frequency external communications good locked true signal present hp5071 can_communicate true lns locked true ocxo_freq_control 2 reference_frequency_estimate Ready switch position A state armed Reference_type cesium reference frequency external com...

Страница 47: ...inutes ver tflex 5 1 0 O Send the settings command and verify the user defined set up parameters are correct ATS 6511A settings command_port prompt enable true text 6511C_1 diaglog cpld4370 info fiber info kas2 info lnsrawstate info software info switching info timecode info tsc4370 info tsgather info warmstart info fiber delay channelA 0 000000000000000e 00 channelB 0 000000000000000e 00 delay_di...

Страница 48: ...3 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 signal_word 0 type irig 4 format B signal_word 0 type irig 4 tsc4395 ports 1 enabled true 2 enabled true 3 enabled true 4 enabled true 6 tsc4387 ports 1 epoch_127 false format B signal_word 120 type irig 2 epoch_127 false format ...

Страница 49: ...smcp syscfg mode standalone OK 2013 08 13T18 45 56Z P At this point if there are no alarms the ATS 6511 is functioning properly Network connectivity should be checked to ensure that data is being transmitted properly Q If operations are normal and the setup is proper type save at the command prompt to save the system default settings or save filename to save the settings to a different configurati...

Страница 50: ...serial time codes which are used by the 1 PPS DC IRIG and AM IRIG cards to produce 1 PPS and IRIG time codes The 2 channel Low Noise Synthesizer LNS contains the low noise OCXO A 1 PPS signal is generated in the LNS which is used to measure the fiber optic 1 PPS time of arrival This measurement is used by the software PLL to steer the OCXO frequency to keep the ATS 6511 1 PPS on time with the ATS ...

Страница 51: ...the internal OCXO source The internal OCXO is generally warm and operational within 10 minutes Once the phase has been steered to within 10 ns of the fiber 1 PPS the outputs are enabled The software will continue to steer the OCXO phase to keep the phase within 100 ps of the ATS 6501 1 PPS The Time Code generator uses 10 MHz 1 PPS and system time to generate the IRIG NASA36 signals As a result it ...

Страница 52: ...may cause electronic components to fail The following instructions outline the required steps in performing an internal inspection of the ATS 6511 1 Shut the system down 2 Remove the top of the ATS 6511 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 electric...

Страница 53: ... 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 cleaner to clean the fan filter of any accu...

Страница 54: ... AC DC input power Any output module reporting a failure or is not locked to the reference There is an internal hardware error Reference clock wander has exceeded 100 ns from the input fiber frequency Master reference signal is missing Over temperature 65 C I2C Bus error System settings do not match the specified configuration in the system mode If the alarm light is on users can determine the exa...

Страница 55: ...en 2008 10 06 16 14 38 874 occurrences 1 set what AC DC supply missing or hardware error when 2013 07 06 16 12 51 346 6 2 2 Fiber Inputs The system has two fiber inputs A and B and one of these will always be the master primary input The master input will always display a solid green indication on the front panel when the reference signal from the ATS 6501 is being used to steer the internal clock...

Страница 56: ...00000e 14 gain 1 000000000000000e 02 steer_mode Slow two_way channelA 4340_output 0 clock_offset 6 375066549999540e 11 direct_connect true fiber_delay local 6 797972759550001e 08 remote 6 061995918399999e 08 remote_tdc_time 2013 08 13 18 51 05 rxdelay 3 786100000000000e 08 txdelay 3 786100000000000e 08 channelB 4340_output 0 clock_offset 8 851931372500003e 09 direct_connect true fiber_delay local ...

Страница 57: ...Outputs Enabled This indicator will turn off if the ATS 6511 detects a hardware fault with one or more of the output modules Verify the output modules outputs are good using the status health outputs_disabled command and verify active false and occurrences 0 ATS 6511 status health outputs_disabled active false occurrences 0 Users can determine which output module s has failed Based on which system...

Страница 58: ...lock_wander active false occurrences 0 ATS 6511B status reference frequency external communications N A locked true signal missing hp5071 can_communicate false lns locked true ocxo_freq_control 2 reference_frequency_estimate Not Ready switch position A state armed OK 2013 08 13T18 54 26Z Users can also check the status of the time scale to ensure the internal 1 PPS offset value relative to the fib...

Страница 59: ...nd ATS 6511 status health fan 1 active false occurrences 0 2 active false occurrences 0 Note If the unit is reporting an over temperature condition and the fans are not reporting an error ensure the ambient temperature is less than 50 C and the fan filters are clean 6 2 6 PPS Outputs The ATS 6511 is capable of providing different PPS outputs on each port of the 4394A card By default ports 1 and 2 ...

Страница 60: ...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 they connect the correct cables to the correct output ports to avoid any problems To verify the settings use the settings hardware slots N command N Card Slot to verify the system s...

Страница 61: ...n 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 hardware slots N command N Card Slot to verify the system settings ATS 6511 settings hardware slots 5 tsc4387 ports 1 format B signal_word 120 type irig 2 format B signal_word 120 type irig 3 format B signal_word 120 type na...

Страница 62: ...e the local operator the IP Address If not the IP Address was not set it will not display the IP Address and the unit will assign an IP Address of 0 0 0 0 Plug the LAN Connector into the rear of the unit and if a DHCP server is available the unit should obtain an IP Address o Power cycle the unit Static o Verify the static IP address Netmask Broadcast IP and Gateway were set properly using the net...

Страница 63: ...5 565040 0x20c03800 Alarm ref_unlocked cleared LNS is locked Apr 16 15 16 22 tflex tflex 545 097274 0x20c02180 SysTime Fiber A Time Validator Time Stream Valid Apr 16 15 16 22 tflex tflex 545 101826 0x20c02180 Fiber Channel A time events valid Apr 16 15 17 22 tflex tflex 545 903730 0x20c03080 Switching Open LnsFll set input channel 1 Apr 16 15 17 22 tflex tflex 545 934390 0x20c03080 Switching SetI...

Страница 64: ...s Replace the ATS 6511 hp5071 electron_multiplier_voltage Check 5071A electron multiplier voltage if more than 2550V replace the 5071A locked Check 5071A continuous operation if not in continuous operation replace the 5071A oscillator_control Check 5071A oscillator control if more than 95 replace the 5071A signal_gain Check 5071A signal gain if more than 95 replace the 5071A leapseconds internal_e...

Страница 65: ...ace the ATS 6511 as soon as reasonably possible ref_unlocked cannot communicate with device Check USB to serial cable and Null modem cable to ensure it is connected to the ATS 6511B USB port and the 5071A Serial Port Ensure the 5071A serial port is set to 9600 Baud No Parity 8 Data Bits and 1 Stop Bit 9600 N 8 1 ...

Страница 66: ...C 4340 Timing Performance When locked to upstream ATS 6501 which is locked to GPS UTC USNO Offset Precise Calibration 15 ns RMS Coarse Calibration 100 ns RMS 1 PPS offset from upstream ATS 6501 in two way mode 0 2 ns RMS Allan Deviation measured against upstream ATS 6501B ATS 6511A B ATS 6511C 1s 3E 12 6E 13 10s 5E 12 6E 13 100s 1E 12 4E 13 Frequency Accuracy 1e 11 one day Holdover Accuracy 10Mhz ...

Страница 67: ... 100 µs 10 µs Pulse width is variable in integer counts of 100 MHz clock period Rise Time 15 ns Jitter 200 ps Skew 2 ns DC IRIG Default B000 Types A000 A003 A007 B000 B003 B007 D002 E002 G002 H002 Levels 2 4 V High 8 V Low 10 MHz Module 4395A 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 Charact...

Страница 68: ...132 dBc Hz 100 Hz 136 dBc Hz 1 kHz 141 dBc Hz 10 kHz 141 dBc Hz 100 kHz 155 dBc Hz 1 MHz 155 dBc Hz 5 MHz Module 4395A 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 connectors BNC F Impedance 50 Ω Amplitude 13 dbm 2 dBm Signal Sine Wave Harm...

Страница 69: ... Hz 138 dBc Hz 100 Hz 142 dBc Hz 1 kHz 146 dBc Hz 10 kHz 146 dBc Hz 100 kHz 157 dBc Hz 1Mhz 157 dBc Hz 1 MHz Module 4395A 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 Impedance 50 Ω Amplitude 13dbm 2dBm Signal Sine Wave Har...

Страница 70: ...Sine Wave Harmonics 40dBc Phase Noise ATS 6511C 0 1Hz 100 dBc Hz 1 Hz 130 dBc Hz 10 Hz 145 dBc Hz 100 Hz 154 dBc Hz 1 kHz 158 dBc Hz 10 kHz 160 dBc Hz 100 kHz 160 dBc Hz 1 MHz 160 dBc Hz Amplitude Modulated AM IRIG Module 4387A 4387A 6V Characteristic Description Number of outputs Four Output connectors BNC F Impedance 50 Ω Amplitude into 50 Ω 3 Vpp 6 Vpp 4387A 6V Modulation Ratio 3 1 IRIG types D...

Страница 71: ...ply 4385A 100 240 V AC 50 60 Hz 75A Power Mains Fuse AC Input Two 250 V 1 A T Time delay 5 x 20 mm AC Power Supply 4385B 100 240 V AC 50 60 Hz 75A Power Factor Corrected to 0 97 Power Mains Fuse AC Input Two 250 V 1 A T Time delay 5 x 20 mm DC Power Supply 4886A 48 VDC SELV type 18 60 V Power Inlet Type DC input Mates with 3 pin Amp Part 1 350346 0 connector with female sockets Amp Part 925661 1 P...

Страница 72: ...e True no 4340 in the path fiber_delay Measured fiber delays local 6 887777777811110e 08 Fiber length in nSec remote 6 335555555555556e 08 Fiber length reported by 6501 remote_tdc_time 2011 11 07 18 07 55 Time measurement was made rxdelay 3 690000000000000e 08 Factory Calibration values txdelay 3 690000000000000e 08 channelB Fiber B same as A 4340_output 0 clock_offset 6 601419878215690e 09 direct...

Страница 73: ... than 100 000000ns What cleared when 1998 01 01 00 06 49 651 When it cleared occurrences 1 of times the alarm has occurred set When the alarm happened what Clock wander exceeded 100 000000ns What happened when 1998 01 01 00 06 47 534 When it occurred fan Fan Issues 1 active false occurrences 0 2 active false occurrences 0 fiber_signal_present Fiber Issues active false cleared what Fiber signal is ...

Страница 74: ...s to slots 1 6 active false Empty slots are not reported occurrences 0 ports outputs_disabled Outputs Disabled active false occurrences 0 over_temperature System Over Temperature Issues active false occurrences 0 power_supply Power Supply Issues 1 active false occurrences 0 2 active false occurrences 0 ref_comm_error External Clock Issues active false occurrences 0 ref_missing active false cleared...

Страница 75: ...e false lns locked true ocxo_freq_control 1 reference_frequency_estimate Not Ready time 2011 11 07 18 07 56 unit network Current network settings MAC 00 A0 69 00 00 F8 Unit MAC Address broadcast 192 168 150 255 Current Broadcast IP default_gateway 192 168 150 1 Current Gateway Address ip 192 168 150 71 Current IP Address netmask 255 255 255 0 Current Subnet mask serial_number 164233 Unit S N start...

Страница 76: ...DOC 6511_Release K ATS 6511A B C Users Guide 70 when 2009 01 26 22 18 48 141 occurrences 1 set what Clock wander exceeded 100 000000ns when 2009 01 26 22 18 35 922 ...

Страница 77: ...k static ip 192 168 150 72 2013 08 13 17 58 19 586 network static netmask 255 255 255 0 Note These are the user network settings if the network mode dhcp the actual network settings for the unit must be obtained using the status unit network command ATS 6511B status unit network MAC 00 A0 69 00 00 F8 broadcast 192 168 150 255 default_gateway 192 168 150 1 ip 192 168 150 71 netmask 255 255 255 0 OK...

Страница 78: ...sec settings hardware slots 2 tsc4373 ports 4 type irig boot 137sec settings hardware slots 3 tsc4395 ports 1 enabled 1 boot 137sec settings hardware slots 3 tsc4395 ports 2 enabled 1 boot 137sec settings hardware slots 3 tsc4395 ports 3 enabled 1 boot 137sec settings hardware slots 3 tsc4395 ports 4 enabled 1 boot 137sec settings hardware slots 5 tsc4387 ports 1 format B boot 137sec settings hard...

Страница 79: ...3 08 13 16 55 32 442 settings hardware slots 2 tsc4373 ports 2 type pps 2013 08 13 16 55 32 446 settings hardware slots 2 tsc4373 ports 3 format B 2013 08 13 16 55 32 449 settings hardware slots 2 tsc4373 ports 3 signal_word 0 2013 08 13 16 55 32 452 settings hardware slots 2 tsc4373 ports 3 type irig 2013 08 13 16 55 32 456 settings hardware slots 2 tsc4373 ports 4 format B 2013 08 13 16 55 32 45...

Страница 80: ... good 2013 08 12 19 12 45 182 status hardware outputs slots 2 ports 3 status good 2013 08 12 19 12 45 189 status hardware outputs slots 2 ports 4 status good boot 137sec status hardware outputs slots 2 power enabled boot 137sec status hardware outputs slots 2 type 4394A 2013 08 12 19 12 48 418 status hardware outputs slots 3 ports 1 status good 2013 08 12 19 12 48 423 status hardware outputs slots...

Страница 81: ...s 3 occurrences 0 boot 134sec status health output_modules 4 active 0 boot 134sec status health output_modules 4 occurrences 0 boot 134sec status health output_modules 5 active 0 boot 134sec status health output_modules 5 occurrences 0 boot 134sec status health output_modules 6 active 0 boot 134sec status health output_modules 6 occurrences 0 boot 134sec status health outputs_disabled active 0 boo...

Страница 82: ...ware outputs enabled 1 2013 08 13 18 48 39 688 status hardware outputs slots 1 ports 1 status good 2013 08 13 18 48 39 714 status hardware outputs slots 1 ports 2 status good 2013 08 13 18 48 39 750 status hardware outputs slots 1 ports 3 status good 2013 08 13 18 48 39 778 status hardware outputs slots 1 ports 4 status good 2013 08 13 16 55 49 097 status hardware outputs slots 1 power enabled 201...

Страница 83: ...age occurrences 0 2013 08 13 16 55 48 389 status health hp5071 locked active 0 2013 08 13 16 55 48 377 status health hp5071 locked occurrences 0 2013 08 13 16 55 48 415 status health hp5071 oscillator_control active 0 2013 08 13 16 55 48 403 status health hp5071 oscillator_control occurrences 0 2013 08 13 16 55 48 451 status health hp5071 signal_gain active 0 2013 08 13 16 55 48 439 status health ...

Страница 84: ...e 0 2013 08 13 16 55 48 560 status health over_temperature occurrences 0 2013 08 13 16 55 48 644 status health power_supply 1 active 0 2013 08 13 16 55 48 587 status health power_supply 1 occurrences 0 2013 08 13 16 55 48 673 status health power_supply 2 active 0 2013 08 13 16 55 48 658 status health power_supply 2 occurrences 0 2013 08 13 16 55 48 705 status health ref_comm_error active 0 2013 08...

Страница 85: ...s 2013 08 13 18 58 33 037 status fiber clock_offset 2 340425530000002e 10 2013 08 13 18 58 33 065 status kas2 ptd 2 340425530000000e 10 2013 08 13 18 58 33 117 status fiber steer 2 340425529452241e 12 2013 08 13 18 58 33 135 status time 2013 08 13 18 58 33 2013 08 13 18 58 33 154 status unit uptime 11 minutes 2013 08 13 18 58 34 052 status fiber clock_offset 2 127659600000013e 11 2013 08 13 18 58 ...

Страница 86: ...d can be left out if desired Any arguments used with command is used to separate alternative inputs for a single parameter e g On Off 1 0 Alarm Description Displays the current alarm state of the instrument Equivalent to issuing the status alarm command The returned alarm information provides the most significant alarm condition that is currently active It does not necessarily indicate all alarm c...

Страница 87: ...rm conditions Syntax alarms Command Examples ATS 6511 alarms See also clear_alarms alarm Clear Alarms Description Clear all instrument alarms The current alarm condition of the instrument can be retrieved by typing status alarm at the command prompt The returned alarm information provides the most significant alarm condition that is currently active It does not necessarily indicate all alarm condi...

Страница 88: ... the system Configuration variables are values that are set at the factory and are not modifiable by the user They are physically stored on the hardware so they are not affected by updating the flash on the system Configuration variables are typically used for hardware configuration specifics such as part number serial number or other hardware specifics This command is equivalent to the show confi...

Страница 89: ... module itself has a specific identifier kas2 or clock for instance to enable a user to specify the module they would like to change the amount of diagnostic logging for By default all software modules are set to info but there are three levels of diagnostic logging available error Displays only diagnostic output pertaining to error conditions and is the least verbose setting info Displays informa...

Страница 90: ...e system will revert to the previously saved settings Syntax diff view tree flat nodesonly view Specify the output view Default is tree nodesonly Output only the names of changed nodes i e don t display values Command Example ATS 6511B diff same as diff view tree current fiber mode two_way_disabled ptd_port averaging_interval 20 original fiber mode two_way ptd_port averaging_interval 10 OK 2011 06...

Страница 91: ...the frequency of the system will be altered for a period of time until the output PPS is aligned properly in time Syntax dist_delay nt Command Example ATS 6511 dist_delay 5 0E 8 OK OK 2010 05 27T19 29 58Z Verify the system settings using the settings pps_adjust command ATS 6511A settings pps_adjust distribution_delay 5 000000000000000e 08 OK 2011 06 06T19 46 36Z Fiber Delay Description The fiber d...

Страница 92: ... 6511 Fiber B Delay The example below shows a difference on Fiber Pair A of 13nSec and Fiber Pair B of 21nSec Syntax fiber_delay_diff Fiber A Diff nt Fiber B Diff nt Command Example ATS 6511 fiber_delay_diff_ 1 3E 8 2 1E 8 Query ATS 6511 settings fiber delay_diff channelA 1 300000000000000e 08 channelB 2 100000000000000e 08 Fiber Mode Description Sets the mode of operation for the ATS 6511 phase s...

Страница 93: ...han the default The functionality can be changed to not automatically switch back to an input that becomes good again forcing the user to manually switch to the other input Syntax fiber_switching auto manual A B min_valid_time norearm Command Example ATS 6511 fiber_switching auto A 60 Query ATS 6511 settings fiber switching auto_rearm true master A min_valid_time 6 000000000000000e 01 mode auto Fr...

Страница 94: ... generate a variety of signal formats and timecodes The 4387A produces modulated signal outputs and the 4394A produces DC level shifted outputs By default the output modules will produce the following signals until reconfigured by the user 4387A Port 1 IRIG B120 Port 2 IRIG B120 Port 3 IRIG B120 Port 4 IRIG B120 4394A Port 1 Pulse period 1 s width 1e 4 s Port 2 Pulse period 1 s width 1e 4 s Port 3...

Страница 95: ...tomatically be configured with the correct output format However moving the output module to a different slot causes the system to configure the module with the default output format until reconfigured by the user See also nasa36 pps save Syntax irig slot port Type A H Code NNN epoch AM Only SLOT slot number of the card PORT port number of the output CODE_FORMAT three digit code format EPOCH selec...

Страница 96: ... of the settings the same The file named default however contains the entire system configuration and is the configuration file that is loaded on system startup 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 it defines the settings that the system will be initialized with Other configurations can be store...

Страница 97: ...f the down stream 6511s on the same fiber while performing maintenance on part of the system that may force units to be on different clock sources Usage maintenance_mode on off Nasa36 Description Select nasa36 output type The 4387A output module enables the user to independently configure an output port to generate a variety of signal formats and timecodes By default the 4387A output modules will ...

Страница 98: ...er of card PORT port number of output Command Examples ATS 6511 nasa36 5 2 Query ATS 6511 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 type irig 4 format B signal_word 120 type irig Network Description Show network interface configuration The network command displays all the network interface variable...

Страница 99: ...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 static IP mode This enables a user to switch back and forth between DHCP mode and static IP mode without losing their network configuration settings for the static IP mode Like...

Страница 100: ... ip 192 168 1 50 mode static netmask 255 255 255 0 See also network frontpanel_button settings status PPS Description Select PPS output type The 4394A module is capable of producing 1 PPS or DC IRIG signals It may be reprogrammed to produce variations of each of these signals on any of the four output ports The default settings for pps outputs are Ports 1 and 2 pulse period 1 width 1e 4 In order t...

Страница 101: ... WIDTH pulse width in seconds minimum of 5e 8 Command Examples ATS 6511 pps 1 2 1e 6 5e 7 Query ATS 6511 settings hardware slots 1 tsc4373 ports 1 pps_period 1 pps_width 1 000000000000000e 04 type pps 2 pps_period 1 000000000000000e 06 pps_width 5 000000000000000e 07 type pps 3 format B signal_word 0 type irig 4 format B signal_word 0 type irig See also nasa36 irig save Prompt Description Adjust c...

Страница 102: ... is made Query ATS 6511 settings command_port prompt enable true text Test Note Making any changes without the default option will impact the current session and will not impact the system settings Using the default option will change the system settings settings command_port values and will be used the next time the user makes a command port connection These settings must also be saved Ptdavg Des...

Страница 103: ...lot 2 Slot 4 Slot 6 Thus if the PPS input is provided on input 3 of the 4393A card installed in slot 4 it will be identified as Ch43 on the ptdavg port Syntax ptdavg_port Command Example ATS 6511 ptdavg_port See also ptdavg ptdraw_port Ptdraw_port Description Switch to raw PTD port Changes the current command port 1700 connection into a ptdraw port 2101 connection Hitting the return key will switc...

Страница 104: ...ved during the reboot process Specifying a cold reboot will reset the system settings to their saved values and perform a complete reset of the hardware which will result is a loss of output signals Syntax reboot cold Command Example ATS 6511 reboot Reference 6511B C Description Select the preferred holdover reference source The holdover reference is used as frequency reference when fiber signals ...

Страница 105: ...ystem then the reference type given by settings reference external type specified will be a model number such as hp5071a This enables the system to know how to communicate with the device and allows it to query 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...

Страница 106: ... user configuration settings to a file The save command saves the current settings variables This is useful in creating multiple system configurations 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 pe...

Страница 107: ... load Syntax settings d MAX_DEPTH NODE MAX_DEPTH limit display to MAX_DEPTH levels of data NODE specifies a node to display Command Example ATS 6511 settings See Also show status network config save load Show Description Show system information The show command displays all the application variables that are available for a user to view These are the same variables that are output on the status po...

Страница 108: ... current GPS status for the system Syntax show debug d depth MAX_DEPTH NODE MAX_DEPTH limit display to MAX_DEPTH levels of data not available with the debug option NODE specifies a node to display Command Example ATS 6511 show See Also status settings network config save load Software Update Description Execute software update The software can be upgraded remotely using this command The tflex iso ...

Страница 109: ... NODE specifies a node to display Command Example ATS 6511 status See Also show settings network config save load Status_port Description Switch to the status port Changes the current command port 1700 connection into a status port 1900 connection Hitting the return key will switch the connection back into a command port connection The status port 1900 outputs information about the current state o...

Страница 110: ...tch back to command port See also diag_port ptdraw_port ptdavg_port show Syslog Description Dump system log System information pertaining to the underlying operation of the system and operating system is logged to aid in troubleshooting efforts These logs can be retrieved via the status port using the syslog command When a log becomes too large it is archived and a new log is started The syslog co...

Страница 111: ...ration from that provided by the factory will need to modify these files for the system to monitor the set up and report the correct errors File Header Most of the header is coments 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 avaiable imformation that a slot type is outputting Hopefully this h...

Страница 112: ...PPS width in slot 1 port 1 Signal Type PPS the address in tree address settings hardware slots 1 tsc4373 ports 1 type tsc4373 is the same as a 4394 expectedValue 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 por...

Страница 113: ...es Cards Slot 6 definition AM IRIG Epoch Settings the address in tree address settings hardware slots 6 tsc4387 ports 1 epoch_127 expectedValue 0 errorMsg Incorrect epoch_127 in slot 6 port 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...

Страница 114: ... 255 285 316 346 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...

Страница 115: ...3 013 044 073 104 134 165 195 226 257 287 318 348 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 3...

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