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Notices

Symmetricom, Inc.
Timing Test & Measurement
3750 Westwind Blvd.
Santa Rosa, CA 95403-1053
http://www.symmetricom.com

Copyright © 2006, Symmetricom, Inc.
All rights reserved. Printed in U.S.A.
All product names, service marks, trademarks, and registered trademarks
used in this document are the property of their respective owners.
The manual’s contents do not apply to previously released versions of XLi hardware or
software.

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Содержание XLi IEEE 1588

Страница 1: ...XLi IEEE 1588 Clock User Guide 997 01510 03 Rev C December 2006 ...

Страница 2: ...tricom com Copyright 2006 Symmetricom Inc All rights reserved Printed in U S A All product names service marks trademarks and registered trademarks used in this document are the property of their respective owners The manual s contents do not apply to previously released versions of XLi hardware or software ...

Страница 3: ...ply 6 Clock Architecture 7 2 System Specifications 9 Mechanical Environmental 9 AC Power Supply 9 System Time Frequency Accuracy 10 GPS Receiver 10 Aux Ref Input 10 Chassis 10 Standard Inputs and Outputs 11 Serial I O Port 11 NET Network Port 11 J1 Input Time Interval Event Time 12 J2 Output Rate Out 12 J3 Input Auxiliary Reference 13 1 PPS Pulse Per Second Output 13 CODE Time Code Output 13 ALARM...

Страница 4: ...ity 30 Web Interface 31 User Privileges 31 Sessions 32 User Names and Passwords 32 Logging In 32 Navigating 32 Submitting Changes 33 Logging Out 33 Notes 33 5 Function Reference 35 Function Summary 35 F1 Time Zone Offset 38 F2 12 24 Hour Format 39 F3 Time Date 40 F4 Serial Port Configuration 42 F5 Time Quality Setup 43 F6 Keypad Lock 45 F8 Continuous Time Once per Second 46 The Format of the F8 Ou...

Страница 5: ...UB Burn BootLoader 89 F100 BU Burn 90 F100 BF Burn File System 91 F100 BUFP Burn FPGA Firmware 91 F100 CONFIG Configure NTP SNMP 92 F100 J Factory Mode Jumper 93 F100 K I L L Reboot 94 F100 P Change User Password 95 F100 PI PING 96 F100 PN Change User Name 97 F108 Oscillator Configuration 98 F110 J1 Input TIET 99 F111 J2 Output Rate 102 F113 J3 Input Configuration Aux Ref 104 F116 Display Brightne...

Страница 6: ...et the PTP Parameters to the Factory Default settings 131 Initialize the PTP Protocol to User entered Values 131 Configuring the PTP Reference Clock Settings 132 Request the PTP Slave Synchronization Threshold 133 Set the PTP Slave Synchronization Threshold 133 Request the PTP Preferred Master Clock Configuration 134 Enable or Disable the PTP Preferred Master Clock Configuration 134 F131 B N S CR ...

Страница 7: ...XLi Fault Group 180 The XLi System Status Group 181 XLi MainCard Group 182 XLi Traps 182 Future Expansion 182 Glossary of SNMP Related Terms 183 Configuring and Testing SNMP 184 Materials Needed 184 HP OpenView Configuration 184 XLi Configuration 186 Test Procedure 186 E Time Code Formats 189 Overview 189 IRIG 189 Introduction 189 IRIG Code Format 189 IRIG B Time Quality Flags 190 Output 190 Input...

Страница 8: ...viii XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 9: ...i IEEE 1588 Clock the clock synchronizes to the PTP slave The XLi s Time Interval Event Time TIET feature can be used to measure PTP synchronization across timing networks For example to measure a PTP slave s synchronization to the PTP grandmaster the user connects the PPS output of a PTP slave to the XLi IEEE 1588 Clock and configures F110 to display the time interval between each PPS See F130 Pr...

Страница 10: ... this section cover options included as standard features in the XLi IEEE 1588 Clock See also 2 System Specifications on page 9 IEEE 1588 card IEEE 1588 Subsystem Compliance IEEE 1588 2002 While operating as Grandmaster Time stamp accuracy is equivalent to XLi clock accuracy Please consult the datasheet online 1 Sync Intervals 1 2 8 16 and 64 seconds Packet throughput 100 Delay_Req second Delay_Re...

Страница 11: ...se consult the datasheet online for additional specifications 1 Behavior The IEEE 1588 card can function as PTP Grandmaster Best Master Preferred Master PTP Slave Primary Reference Secondary Reference Standby User Interface All of the IEEE 1588 card s functions can be managed using the Web Interface page 31 Command Line Interface page 29 or Keypad Display Interface page 25 The following 1588 relat...

Страница 12: ...eiver acts as a Stratum 0 timing reference source to the XLi It tracks up to 12 L1 GPS satellites decodes their signals for time and position and feeds this data to the XLi through the internal backplane When available and enabled the GPS C A Receiver card provides superior time and frequency accuracy on the XLi See System Time Frequency Accuracy on page 10 The GPS C A Receiver card comes with an ...

Страница 13: ...O Oscillator The XLi comes with the standard TCVCXO oscillator described below The stability of the following oscillators is dependent on the reference source For reference source accuracies see System Time Frequency Accuracy on page 10 Frequency 1575 42 MHz L1 signal Code Coarse Acquisition C A code Tracking Up to 12 satellites with TRAIM Position Accuracy Typically 10m when tracking four 4 satel...

Страница 14: ... a disconnect device such as a switch with the appropriate voltage current rating is provided when operating installing the XLi Warning Prior to servicing the interior of a unit with dual power supplies remove both power cords Input connector IEC 320 type Input voltage range Universal 90 260 VAC and 110 370 VDC Input frequency range 47 Hz 440 Hz Isolation ground For 110 370 VDC operation the input...

Страница 15: ...ovide a simplified view of the standard XLi s clock architecture Figure 1 Functional Timing Block Diagram DAC 16 384 MHz Osc PLL Rate Gen Code Generation Clock Machine Phase Compare 200 MHz PLL Clock DPLL Aux Ref 1 5 10 MHz Phase Measurement 10 MHz Osc 1 PPS Timing Select Time and Clock Recovery Code Input 1 PPS Output Code Out Rate Out Code Input 1 PPS A 1PPS B Aux Ref 1 PPS Out Code Out Rate Out...

Страница 16: ...S S S S S S S S S S S 1 Figure 2 Interface Architecture Block Diagram Keypad Oscillator Display Keypad Interface I O Display Rb Power 10 MHz Backplane Interface Power Vc Power Supply DC 5 V 12 V Power Supply AC 5 V 12 V 110 220 AC 9 18 VDC 18 36 VDC 36 72 VDC Option User I O Power I O T F CPU User I O Power I O ...

Страница 17: ...me and Day of Year TOD on one full height line Keypad 0 9 UP DOWN LEFT RIGHT ENTER CLR TIME STATUS MENU Serial I O Full user selectable RS 232 422 communication protocol up to 19200 baud Vibration Operating GR CORE 63 4 5 2 4 locked to 1 0 g Storage Transport GR CORE 63 4 4 1 to 1 5g Input Input connector IEC 320 connector Input voltage range Universal 90 260 VAC and 110 370 VDC Input freq range 4...

Страница 18: ...iming reference is not available or becomes unavailable and Aux Ref is enabled the XLi locks to the Aux Ref input Under those conditions frequency output accuracy is equal to the reference 1 x 10 12 Note To set the time and date manually see F3 Time Date on page 40 Chassis 1 PPS Output 30 ns RMS 100 ns peak without SA 99 Frequency Output Accuracy 2x 10 12 Frequency Timing Allan Deviation Stability...

Страница 19: ... Keypad Display and Standard network port Note Parity NONE is only available valid when Data Bits is set to 8 See F4 Serial Port Configuration on page 42 NET Network Port The Ethernet port interface has a standard RJ 45 connector that provides IEEE 802 3 frame 10 100 Base T Ethernet See F100 Network Port Configuration XLi Firmware on page 80 Interface RS 232 or RS 422 Data Rates 1200 2400 4800 960...

Страница 20: ...ll impact TIET measurements Note Configuring J1 as the input for a time code reference source is not supported J2 Output Rate Out See F111 J2 Output Rate on page 102 Note Configuring J2 as a Programmable Pulse Output PPO is not supported Pulse Width 100 ns min Active Edge Rising Amplitude DC Logic Low 1 25V and Min 300mV Logic Hi 1 25V and Max 10V Impedance 100 kΩ 50 Ω Resolution 5 ns Single Shot ...

Страница 21: ...ices that use IRIG A002 B002 and B122 should be able to synchronize with the XLi s time code outputs Frequency 1 5 10 MHz Amplitude 1 Vp p to 10 Vp p at 1 kΩ to ground Amplitude 1 Vp p to 3 Vp p at 50 Ω to ground Impedance Configurable 1 kΩ or 50 Ω to ground SNR 20db Quantity 1 Connector Female BNC Factory Configuration Disabled Pulse width 20 μS 1 μS On time edge Rising Amplitude TTL Levels into ...

Страница 22: ...Alarm enabled alarm fault Low Z Normal no enabled alarm faults Drive Open Collector Max Voltage 25 VDC Max Current 50 mA Quantity 1 Connector Female BNC UL C UL UL 1950 CSA 22 2 950 Standard for Safety Information Technology Equipment ITE FCC FCC Part 15 Subpart B CE 89 336 EEC EMC Directive 73 23 EEC Low Voltage Safety Directive IEC 60950 Safety of Information Technology Equipment ITE ...

Страница 23: ...TAI and synchronizes the PTP grandmaster the IEEE 1588 card When the PTP grandmaster is synchronized to the XLi IEEE 1588 clock it starts operating sending out PTP Sync and Follow_Up messages and responding to PTP requests Selecting a GPS Antenna Site Select a site outdoors that Is the highest point available Offers a full 360 view horizontally to within 10 vertically of the horizon Is higher than...

Страница 24: ...ning arrestors and building code requirements for running coaxial cable from the exterior to the interior of a building If possible test the GPS signal reception of a particular site before mounting the antenna and running the cable indoors Some sites may turn out to be unsuitable due to interference Notes The XLi requires a 12 volt compatible antenna Antennas not rated for 12 V will be damaged Us...

Страница 25: ...gth Requirements Refer to Figure 4 The required gain at the GPS receiver s ANTENNA connector is greater than 20 dB and less than 36 dB A 150 foot length of RG 59 coax cable of has a loss of 16 21 dB which meets this requirement Abide by the minimum input gain requirements if using other cable types Additionally if changing the antenna abide by the 41 dB gain requirement Other factors such as radia...

Страница 26: ...ng the Cat 5 network cable supplied For local access to the command line interface only connect the SERIAL I O port on the Main CPU Card 87 8000 to the to the PC s serial port using a null modem cable 2 Connect the 1588 network port to the timing network 3 Connect the AC Power Supply it to a power source The green STATUS light on the power supply indicates that the XLi is receiving power Upon rece...

Страница 27: ...GPS antenna the Antenna Cable Delay is 60 ns To compute the cor rect value for other antenna cable lengths see F51 GPS Antenna Cable Delay on page 55 Leave GPS Operation Mode as Dynamic and Time Reference as Primary Click the GPS Config Status link After approximately 20 minutes of operation check that GPS Clock Status is locked and GPS Antenna is OK If GPS Antenna is OK and GPS Clock Status is un...

Страница 28: ...ter in Option Bay 4 A GPS receiver in Option Bay 1 The second version has An IEEE 1588 card configured as a PTP master in Option Bay 4 An IEEE 1588 card configured as a PTP slave in Option Bay 2 A GPS receiver in Option Bay 1 Note With two IEEE cards be mindful of the Option Bay number when changing the settings PTP Master Note The IEEE 1588 card requires 5 minutes from power up to initialize Unti...

Страница 29: ...andmaster over other potential masters IMPORTANT If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card the interval for all PTP masters and PTP slaves must be set to 2 SECONDS PTP Slave To reconfigure the IEEE 1588 card from being a PTP master to being a PTP slave complete the following steps 1 Having logged in to the web interface from the Admin Homepage click the link Op...

Страница 30: ...k settings PTP SYNC INTERVAL PTP BURST MODE and PTP SUBDOMAIN The factory settings are the same as for the PTP master except the static IP Address is 010 048 000 105 and Clock Configuration is Slave Primary Rack Mounting the XLi The XLi comes with the following parts needed to mount the XLi securely in any EIA standard 19 inch 48 26 cm rack 2 mounting brackets 4 flat head Phillips screws Have the ...

Страница 31: ...ck using rack mount screws Note Ensure that the ambient operating temperature does not exceed 50 C Install the XLi chassis so that the top and bottom holes are unobstructed and have sufficient clearance to allow 6 cfm of air to pass through the chassis To maintain recommended operating temperatures install a rack cooling fan capable of 100 cfm in heavily loaded racks ...

Страница 32: ...24 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 33: ...ontrols whether the LED turns amber F73 s Timeout Delay controls how long the LED remains amber The blinking of the LED has no meaning It is a user preference that can be enabled or disabled using the F73 s LED Blink setting If enabled the LED blinks when it is green and yellow but stays unblinking when it is red If disabled the LED doesn t blink Keypad Display Interface Time Display Press the TIM...

Страница 34: ...ailable from the Menu Display LOCKED System Clock Status is Locked or Unlocked to the current reference source See Clock Status in F73 Alarm Control Status on page 69 A reference source input has been configured but is not available Note When using GPS may remain visible for up to 13 minutes See F119 GPS Receiver Configuration on page 110 GPS PRI Shows the reference source type The function that c...

Страница 35: ...Use XLi s front panel keypad to operate the menu driven keypad display interface The following table explains how the individual keys work UP ARROW Increase value Display next choice above DOWN ARROW Decrease value Display next choice below RIGHT ARROW Move cursor right LEFT ARROW Move cursor left 0 9 Enter numeric values ENTER Enters currently displayed choice e g a function or yes confirmation t...

Страница 36: ...ult MENU Displays F1 on the front panel display UP DOWN ARROW Scrolls through the list of functions ENTER Opens the function and displays its first screen Press Result MENU Displays F1 TIME ZONE OFFSET ENTER Displays TIME ZONE OFFSET 08 00 UP ARROW Changes the minus sign in 08 00 to a plus in 08 00 RIGHT ARROW Moves the cursor to the right under 0 UP ARROW Changes 0 to 1 making 18 00 ENTER XLi ask...

Страница 37: ...g in as Operator using User Name operator Password janus To maintain security change the Operator password at installation If you are logged in as operator the only command line interface function you cannot perform is changing the Guest password Guest Login Use the guest login to view function settings As shipped you can log in as guest using User Name guest Password ttm To maintain security chan...

Страница 38: ...8 Continuous Time Once per Second The XLi does not allow two or more concurrent network port sessions A network port session can be active while an inactive serial port session is open However if the serial port session receives user input at this point it takes control away from the network port and does not yield control to the network port again The network port will show a prompt but won t acc...

Страница 39: ... SM 255 255 255 0 G 192 168 46 1 NOTICE UTILITY MONITOR SESSION HAS TAKEN PRIORITY FROM THIS TELNET SESSION f100 ic NOTICE CANNOT RESPOND TO COMMAND BECAUSE UTILITY PORT SESSION HAS PRIORITY Web Interface The web interface makes most of the XLi s functions conveniently accessible using a browser Figure 5 The web interface showing the XLi Admin Homepage User Privileges Administrative users can view...

Страница 40: ... closes inactive web sessions after 30 minutes of inactivity User Names and Passwords The ten administrative user names operator1 through operator10 have zeus as the factory set password The ten non administrative user names user1 through user10 have ttm as the factory set password Only administrative users can change the user names and passwords User names and passwords must have 1 to 15 characte...

Страница 41: ...icking on links allow each page to load before clicking another link Clicking links too quickly may cause the Login page to appear Submitting Changes When submitting changes only click the Submit Changes button once Wait for the web page to load before navigating away from the page or submitting another change Logging Out To log out click the Logout button located in the upper left corner of the p...

Страница 42: ...34 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 43: ...ailable from the keypad F8 Continuous Time Once per Second N S Output the time once per second to the command line F9 Time On Request N S Output the time when triggered to the command line F11 Time Output Format N S Change the format of the time output by F8 and F9 F13 Time Error K N S W View the current estimated worst case time error F18 Software Version Request K N S W View the XLi s software v...

Страница 44: ...0 G Gateway K N S W Configure the default gateway F100 IC Network Port Settings K N S W Display all the standard network port s settings F100 L LOCK UNLOCK Remote Lockout K N S Lock remote access to the XLi s standard network port F100 L Remote Lockout K N S Display the status of F100 LOCK Locked through the network port serial port and keypad Can be unlocked only through the keypad or serial port...

Страница 45: ...View the contents of each option bay Only recognizes certain cards F119 GPS Receiver Configuration K N S W Configure and display status for GPS Receivers F120 N 1 Frequency Synthesizer K N S W Not supported F123 Have Quick Input 1 PPS Sync Configuration K N S W Not supported F126 Options Key Entry K N S Enable an XLi option by entering a software key F128 Have Quick Output K N S W Not supported a ...

Страница 46: ...e 63 Because the front panel display and Multicode Output card can be configured to display distribute Local or Standard time we recommended configuring F1 as described in the 3 Installation and Set up on page 15 The factory setting for F1 is UTC 8 00 hours Pacific Standard Time Related topics F2 12 24 Hour Format on page 39 F11 Time Output Format on page 50 F27 FTM III Configuration on page 53 Co...

Страница 47: ... scale selected using F69 Local Standard TAI GPS UTC Typically 12 hour notation only applied to Standard and Local time Symmetricom strongly recommends using 24 notation when F69 is set to TAI GPS and UTC Applying 12 hour notation to those time scales is non standard and causes ambiguous representation of time For example if 12 hour notation is applied to TAI the front panel displays 249 10 21 34 ...

Страница 48: ...ally is unnecessary Following startup the XLi synchronizes its time and date to the GPS reference source1 If the XLi doesn t have GPS as its primary reference source use F3 to set the time for the IEEE 1588 option card F3 prompts the user for the Time Mode the Date in mm dd yyyy format and the Time in hh mm ss format The hours in hh mm ss should be given using 24 hour notation e g 6 pm 18 00 F ASC...

Страница 49: ...cked to a reference source and distributing time information Doing so allows the XLi to distribute the potentially incorrect time set by F3 for up to 8 seconds until the XLi re synchronizes to the GPS reference source If the user applies new F3 settings while the XLi is locked to the reference source the XLi switches to the F3 time and then back to GPS reference without generating an alarm With IE...

Страница 50: ...0 CR Only valid times and dates are accepted The XLi responds OK CR LF F4 Serial Port Configuration Use function F4 to change or display the serial port settings The factory settings are Interface RS 232 Baud rate 9600 Data bits 8 Parity NONE only available valid when Data Bits is set to 8 Stop bits 1 Command Line To display the Serial Port settings send F4 CR XLi responds F4 S RS SEP BR SEP DB SE...

Страница 51: ...nce source becomes unavailable the XLi uses its own oscillator to keep track of time Without the reference source the XLi can no longer adjust or steer the oscillator to remain synchronized with the reference source The rate at which the oscillator counts time is slightly faster or slower than the reference source The resulting difference time error accumulates over time F ASCII character F 04 fun...

Страница 52: ...nformation on time quality indicators see IRIG Standard Format A on page 192 The XLi accepts threshold values from 200 ns to 40000000000 ns The factory settings for F5 are as follows Time quality reporting enabled First time quality flag 150 ns Second time quality flag 15 000 ns Third time quality flag 1 000 000 ns Fourth time quality flag 150 000 000 ns The IEEE 1588 stratum of the PTP master is ...

Страница 53: ... in readouts of the set tings F6 Keypad Lock F6 Keypad Lock enables or disables the keypad preventing accidental changes to the XLi s settings When enabled the display responds KEYPAD LOCKOUT BY FUNC 6 when the user attempts to access any function other than F6 F6 remains available through the keypad at all times The factory setting for F6 Keypad Lock is disabled Command Line To display the Keypad...

Страница 54: ...ng F6 DISABLE CR XLi responds OK CR LF F8 Continuous Time Once per Second The function F8 commands and outputs are available only on the command line interface through the serial and network ports They are not available through the keypad display or web interfaces Function F8 outputs the time of year once per second conditionally followed by a time quality character F8 is affected by the following...

Страница 55: ...ormat page 50 to change the format of the F8 output string Use F5 Time Quality Setup page 43 to set the four time quality thresholds SOH ASCII Start of Heading character CR ASCII Carriage Return character LF ASCII Line Feed character DDD day of year HH hours MM minutes SS seconds mmm milliseconds colon separator Q time quality character see the following table SPACE Time error is less than time qu...

Страница 56: ...synchronizes to the reference source time the F8 output string should be considered accurate and reliable After Loosing a Reference Source If the system clock comes unlocked from the reference source no reference sources available F8 continues generating time of year information based on the synchronized time Gradually as the estimated worst case time error F13 Time Error page 52 accumulates and e...

Страница 57: ... your keyboard The command line disregards all input other than SHIFT T and Ctrl C The time of day output is only available on the network or serial port used to give the F9 command F9 s factory set output string is as follows SOH DDD HH MM SS mmmQ CR LF where The time quality character Q is one of the following characters For example to prepare Time on Request enter SOH ASCII Start of Heading cha...

Страница 58: ...ange the format of the F8 and F9 time output strings The factory setting for F11 format is null which reinstates the factory default time output formats for F8 and F9 SOH DDD HH MM SSQ CR LF for F8 SOH DDD HH MM SS mmmQ CR LF for F9 To display the default format for F11 enter F11 F11 responds F11 DDD HH MM SS mmmQ where SOH ASCII Start of Heading character CR ASCII Carriage Return character LF ASC...

Страница 59: ...o or separator at the end with a carriage return enables the remaining un typed characters This makes it easy to restore the default F11 formatting To return F11 to its default format enter F11 D To display the restored defaults enter F11 again F11 responds F11 DDD HH MM SS mmmQ The DDD HH MM SS mmm and Q segments can not be replaced with characters they can only be suppressed The and separators c...

Страница 60: ...me error for different reference sources Time error begins to accumulate when the receiver loses lock to a reference source The XLi calculates the worst case time error based on the stability of system clock s oscillator type and the time elapsed since loss of lock Command Line The Command line interface will report time error when it receives the following string F13 CR The XLi responds F13 S ERR...

Страница 61: ...nter F18 CR The XLi responds F18 BOOTLOADER 192 8000 SOFTWARE 192 8001 FILE SYSTEM 192 8002v1 80 PROJ REV 1 80 FPGA 184 8000V50 F27 FTM III Configuration Note The FTM III card is currently unavailable as an option for the standard XLi IEEE 1588 clock F42 Multicode Output Configuration Note The Multicode card is currently unavailable as an option for the standard XLi IEEE 1588 clock F44 N 8 Frequen...

Страница 62: ...EP LLA CR XLi responds with the coordinate information in the following format F50 S B N SIGN S DEG d MIN SEC S SIGN S DEG d MIN SEC S ALT UNITS CR LF where For example to display the LLA coordinates of the antenna connected to card 2 enter F50 B1 LLA CR F50 Function 50 S ASCII space character one or more B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 SEP Separa...

Страница 63: ...Setting a positive value for F51 compensates for the time the signal takes to travel the length of the cable from the GPS antenna to the receiver When multiple GPS receivers are installed a separate value can be set for each unique receiver The factory setting for F51 is 60 ns which corresponds to the 50 foot 15 24 meter long RG F ASCII character F 50 function number S ASCII space character B ASCI...

Страница 64: ... Don t use function F51 to adjust the XLi s timing outputs use F52 Distribution Cable Delay instead Command Line Use the following format to display the current Antenna Cable Delay setting F51 S B N CR The XLi responds using the following format F51 S B N SEP SIGN DELAY ns CR LF where For example to see the antenna cable delay for the GPS card in option bay 4 enter F51 B4 CR XLi responds F51 B4 00...

Страница 65: ... outputs F52 compensates for the signal s travel time from the XLi to its point of use The distribution cable delay applies uniformly to all output ports The as shipped factory setting is 0 ns The range of possible values is 999 999 ns to 999 999 ns Positive values advance the timing signals while negative values retard them To calculate what the setting should be multiply the delay foot by the le...

Страница 66: ...h as ships land vehicles or aircraft With Dynamic Mode selected the receiver updates the position information repeatedly to arrive at the best time calculations for a mobile environment Select Time Mode if the receiver used in a static environment such as a server room With Time Mode the receiver averages the position data over time to determine the antenna position and calculate the time precisel...

Страница 67: ...ys the current mode GPS MODE SELECT AUTO MODE or DYNAMIC MODE To change the mode use the UP DOWN ARROW buttons and press ENTER F53 asks SAVE CHANGES YES To save changes press ENTER Command Line To request the GPS operation mode of the GPS C A Receiver 87 8028 2 enter F53 B N F53 responds using the following format F53 SP B N SEP STATUS CR LF where For example enter F53 B1 F ASCII character F f or ...

Страница 68: ... it to calculate time and position Current the XLi is using the satellite s GPS signal to calculate time and position Bad the GPS satellite is transmitting information that it has been removed from service Rejected the XLi M12 receiver s TRAIM feature has detected anomalous signals from this satellite and has quarantined it from the timing solution for 12 hours GPS satellite signal strengths are r...

Страница 69: ...known F60 B1 prn8 good current 161dBW F60 B1 prn9 unknown F60 B1 prn10 unknown F60 B1 prn11 unknown F60 B1 prn12 unknown F60 B1 prn13 good current 159dBW F60 B1 prn14 unknown F60 B1 prn15 unknown F60 B1 prn16 unknown F60 B1 prn17 unknown F60 ASCII string indicating function F60 S ASCII space character one or more B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 SE...

Страница 70: ...nknown F60 B1 prn21 unknown F60 B1 prn22 good current 164dBW F60 B1 prn23 unknown F60 B1 prn24 unknown F60 B1 prn25 unknown F60 B1 prn26 unknown F60 B1 prn27 good current 156dBW F60 B1 prn28 unknown F60 B1 prn29 unknown F60 B1 prn30 unknown F60 B1 prn31 unknown F60 B1 prn32 unknown Similarly to display a list of the current or tracked satellites enter F60 B1 CURRENT CR Or F60 B1 TRACKED CR ...

Страница 71: ...may not occur at the desired time This function also works for locations in the southern hemisphere where DST spans the new year Command Line To display the current status of F66 enter a command using the following format F66 CR XLi responds using the following format F66 S STATE ENTER EXIT CR where For example to disable DST enter F66 Off CR XLi responds OK CR LF To enable DST and set the DST ent...

Страница 72: ...other parameters remain unchanged The XLi automatically reboots when the user changes the DST entry exit times in F66 If any of the items in an input string are invalid an error message will be returned INHOUR time to enter DST in 24 hour format SEP one or more separator characters either space comma or tab characters For output strings this will be a single space character INWEEK which week to en...

Страница 73: ... When the IEEE 1588 card is operating as a PTP master if F69 is set to TAI Local or GPS the 1588 port outputs PTP with TAI time 1 When the IEEE 1588 card is operating as a PTP master if F69 is set to Standard or UTC the 1588 port outputs PTP with Standard or UTC time respectively When the IEEE 1588 card is operating as a PTP slave only TAI and GPS are valid settings for F69 the reference source so...

Страница 74: ...r Use the following format to display the time mode currently used F69 CR The XLi responds using the following format F69 SEP TT CR LF where For example enter F69 CR XLi gives one of the following responses F69 GPS CR LF F69 UTC CR LF F69 LOCAL CR LF F69 STANDARD CR LF F69 TAI CR LF To set the time mode enter a command using the following format F69 S TT CR F ASCII character F 69 Function number S...

Страница 75: ...ero servo point The frequency offset is computed using an averaging time that is equal to the effective averaging time of the oscillator controller The oscillator Drift Rate is computed using a 24 hour average and is the daily Drift Rate of the oscillator The oscillator DAC value is the signed 16 bit integer that controls the DAC output voltage It ranges from 0 to 65536 Command Line To display the...

Страница 76: ...dary receiver PTP Primary when configured as a PTP slave PTP Secondary when configured as a PTP slave IRIG A IRIG B NASA 36 not supported Primary power supply OK or failed Secondary power supply OK or failed Rubidium oscillator if installed OK or fault Command Line To display the status of the fault detectors enter F ASCII string indicating function F71 S ASCII space character one or more MULT mul...

Страница 77: ...ce character one or more CLK PLL Clock Phase Loop Lock status LOCKED or UNLOCKED CLK STATUS Clock Status LOCKED or UNLOCKED to the reference source shown The LOCKED state is based on the F73 Time Threshold value entered by the operator F73 Time Threshold sets the threshold in ns above which Time Error triggers an alarm When the oscillator s predicted worst case time error F13 Time Error on page 51...

Страница 78: ...i Note The Rubidium Oscillator and NTP option are currently unavailable for the standard XLi IEEE 1588 clock Indicator Parameter Name Status Factory Setting for XLi without option cards Clock Status Locked Unlocked Always Enabled PLL Locked Locked Unlocked Alarm Enabled Low Phase Noise LPN PLL Locked Locked Unlocked Alarm Enabled GPS Primary Receiver OK Fault Alarm Enabled GPS Secondary Receiver O...

Страница 79: ...ase time error F13 Time Error on page 52 exceeds Time Threshold Time Error enters a fault state Note When Time Threshold is set to zero it defaults to an appropriate value for the type of refer ence source For example when Time Threshold is set to 0 the XLi applies 150 ns as the value while the reference locked to a GPS reference LED Blink When LED Blink is enabled the Alarm Status LED on the fron...

Страница 80: ...useful for finding transient alarms Clear the alarm latch settings after troubleshooting or fixing the cause of an alarm so new alarms can be distinguished from previous ones Note that an alarm latch only records the occurrence of an alarm if it the indicator s alarm is enabled The alarm latch does not record the occurrence of a fault or unlocked state if the indicator s alarm is disabled Keypad N...

Страница 81: ...Ref F None 1 PLL Synthesizer Locked C PLL Synthesizer Unlocked 2 LPN PLL Locked L LPN PLL Unlocked 3 Primary OK P Primary Fault 4 Secondary OK S Secondary Fault 5 IRIG OK I IRIG Fault 6 Aux Ref OK A Aux Ref Fault 7 Primary Power OK W Primary Power Fault 8 Secondary Power OK w Secondary Power Fault 9 Rb oscillator OK R Rb oscillator Fault A DAC OK X DAC Fault B First time lock OK a Clock has locked...

Страница 82: ... LATCH CR XLi replies F73 S LATCH SEP 123 CR LF To clear the Alarm Latches enter F73 S CLEAR SEP ALARM SEP LATCH CR XLi replies OK The command line uses a mask to enable or disable each indicator s alarm To see which indicators are Alarm Enabled enter F73 S MASK CR XLi replies F73 S MASK SEP M 12346789ABCDE CR LF where U Time error Fault D Timeout OK T Timeout Fault E NTP OK N NTP Fault E enabled ...

Страница 83: ...change the Alarm Enabled setting for each indicator enter to E Enable D Disable or Unchanged using this format F73 S MASK SEP 123456789ABCDE CR For example to enter new mask settings enter F73 MASK DDE EEEEEEEEEE XLi replies OK To verify the changes enter F73 MASK XLi replies F73 MASK DDE EEEEEEEEEE One GPS receiver Two GPS receivers 1 PLL Synthesizer Alarm Enabled E E 2 LPN PLL Alarm Enabled E E ...

Страница 84: ... new value for nanoseconds Range 0 to 99 999 ns as follows F73 S THRESHOLD SEP nanoseconds CR XLi replies OK CR LF To view Timeout Delay enter F73 S TIMEOUT CR XLi replies F73 S TIMEOUT SEP seconds S s CR LF To enter a new Time Delay enter a value for seconds Range 0 to 86 400 ns as follows F73 S TIMEOUT SEP seconds CR XLi replies OK CR LF To enable LED Blink enter F73 S BLINK SEP ENABLE CR XLi re...

Страница 85: ...tches to the secondary source When the primary source becomes available again it switches back to the primary PRI NSEC PRI or Primary No Secondary Primary the clock synchronizes with the primary source If the primary source becomes unavailable it switches to the secondary source If the secondary source becomes unavailable AND the primary is available switches back to the primary Clock source switc...

Страница 86: ...XLi responds example F74 PRI CR LF To select PRI SEC SEC as the new clock source fail over pattern enter F74 PRI SEC SEC CR XLi responds OK CR LF F90 Code Output Configuration Use function F90 to configure the time code output format IRIG A IRIG B or NASA 36 and modulation type AM or DC on the XLi s standard CODE output F ASCII character F 74 function number S Space CLK SOURCE Clock Source PRI SEC...

Страница 87: ...page 39 selects between a 12 or 24 hour time format F69 Time Mode on page 65 selects between the following time scales Local Standard GPS UTC and TAI Command Line To display the current settings enter F90 CR XLi responds using the following format F90 S CODE OUTPUT TYPE CR where For example enter F90 CR XLi responds example F90 IRIG B AM CR LF To change the Code Output selection enter F90 IRIG B D...

Страница 88: ...mentation Group 1 You can use both the keypad display and the command line interface to access the following parameters Ethernet address XLi contains a unique Ethernet or Media Access Control MAC address comprised of a unique number assigned to the manufacturer and a unique number assigned to the unit This is factory set and cannot be changed IP Address Sets a static Internet Protocol IP address f...

Страница 89: ...owed by Comments Ethernet address MAC address EA Displays information IP Address IP Displays configures and reboots Subnet Mask SM Displays configures and reboots Default Gateway G Displays configures and reboots IP Address Subnet Mask and Default Gateway IC Displays several IP parameters 10 100 BASE T BASET Displays configures and reboots Remote Lockout L for status LOCK UNLOCK Displays and confi...

Страница 90: ...tandard network port enter F100 EA CR The XLi responds F100 EA 00 A0 69 xx xx xx CR LF where 00 A0 69 is the portion of the address assigned to the manufacturer and xx xx xx is unit s unique address in hexadecimal An example of the response is F100 EA 00 A0 69 99 00 37 Attempts to set this field will be rejected with a syntax error message F100 IP IP Address Use function F100 IP to display or chan...

Страница 91: ...nn S SM S nnn nnn nnn nnn S G S nnn nnn nnn nnn CR Note The three commands i e IP SM G can be used in any order relative to each other A colon separator can be used instead of S following IP SM and G e g IP 192 168 46 150 For example using appropriate values for your network enter something similar to F100 IP 192 169 46 150 SM 255 255 255 0 G 192 168 46 1 CR XLi responds OK CR LF RESETING THE UNIT...

Страница 92: ...re nnn nnn nnn nnn is the dotted decimal address notation An example of the response is F100 SM 255 255 255 125 CR LF F100 G Gateway Note F100 G can be used concurrently with F100 IP and F100 SM See the last example provided in the F100 IP IP Address section which starts on page 82 Use function F100 G to display or configure the Default Gateway To set the Default Gateway and restart the unit enter...

Страница 93: ...n example of the response is F100 G 206 54 0 1 CR LF F100 IC Network Port Settings Use function F100 IC to review the entire configuration of the standard network port enter F100 S IC CR An example of the response is F100 IP 206 54 0 21 SM 255 255 255 240 G 206 54 0 17 CR LF F100 BASET 10 100 BASE T The BASET command displays the data rate of the Ethernet port On the current version of the Main CP...

Страница 94: ...CK UNLOCK Remote Lockout Use function F100 LOCK or UNLOCK to enable disable remote access to the command line interface through the network port Use function F100 L to display the status of Remote Lockout Remote Lockout can also be set using F100 on the keypad display interface The factory setting is Unlocked To unlock remote lockout use the keypad display or the serial port s command line interfa...

Страница 95: ...lockout use the command line interface on the serial port to enter F100 UNLOCK CR Or use the keypad display s F100 F100 L Remote Lockout Command Line Only Not available in display Use function F100 L to display the status of the remote lock For more information see F100 LOCK above To view the lock setting for remote access enter F100 L CR where F ASCII character F 100 unit function number S space ...

Страница 96: ...0 ST to display whether the Self Test Status parameters passed or failed The parameters include flash memory checksum test nonvolatile NV RAM Serial Port and version check To query the self test status enter F100 S ST CR where The XLi responds F100 S ST S FLASH CRC S STATUS S RAM S STATUS S SERIAL S STATUS S NVRAM S VER S STATUS CR LF F ASCII character F 100 unit function number S space ST specify...

Страница 97: ...e letter e g C out of the path For example F100 BH 10 1 7 20 truetime xli 192 8001 bin CR The XLi responds BURN HOST IS READY CR LF F100 BUB Burn BootLoader Note See B Upgrading System Firmware on page 145 When upgrading the system firmware use function F100 BUB to burn the BootLoader to write the BootLoader to flash memory F ASCII character F 100 Unit function number S Space ST Specify ST command...

Страница 98: ... If more than ten flash sectors are written during this process you must rewrite both the bootloader sectors 0 to 9 and the program binary sectors 10 to 93 F100 BU Burn Note See B Upgrading System Firmware on page 145 Use function F100 BH when upgrading firmware to write the file selected with F100 BH to the flash memory Flash memory is checked to ensure that the correct file is used To write the ...

Страница 99: ... to the flash send the F100 BH command with the FTP host file path and name and then enter F100 S BF CR XLi responds OK CR LF For example f100 bf OK BURNING FILE 192 8002 fs WITH SIZE 524288 SEC 94 SEC 95 SEC 96 SEC 97 SEC 98 SEC 99 SEC 100 SEC 101 SEC 102 FILE SYSTEM FLASH BURN COMPLETED F100 BUFP Burn FPGA Firmware Note See B Upgrading System Firmware on page 145 F100 BUFP Burn FPGA firmware fro...

Страница 100: ...get flash If the memory sector is not big enough to store the FPGA program the command will be aborted an error message FILE FN EXT yyy BYTES TOO LARGE FOR PARTITIONING zzz BYTES LOAD ABORTED will be displayed and the new program will not be loaded to the flash After all the requirements for burning the FPGA program are met XLi will proceed to burn the FPGA program from the FTP host computer to th...

Страница 101: ...gured Source file config snmp conf bytes read 1275 Dest file snmp conf bytes written 1275 Configuration files transferred successfully Note The following steps cause the XLi to reboot Using the command line enter the commands replacing IP Address with the workstation FTP server s IP address To move the SNMP config file back onto the XLi type f100 config snmp set host IP Address dir subdir CR Here ...

Страница 102: ...ified Symmetricom technician To test the state of the factory mode jumper F100 S J CR where The XLi responds F100 J FACTORY MODE 1 CR LF or F100 J FACTORY MODE 0 CR LF F100 K I L L Reboot Use function F100 K I L L to reboot the unit Use F100 K I L L after upgrading the system firmware K I L L is a case sensitive command When entering this command use all capital letters and put spaces between each...

Страница 103: ...R 30004000H ID NUM 86H SCAN_FOR_OPT_CARD ENDS INSTALL_SMART_OPTIONS BEGINS FOUND GPS CARD QTY 1 ID 8013H INSTALL_SMART_OPTIONS ENDS QUERYING FOR SYMMETRICOM DEVICE PLEASE WAIT SYMMETRICOM GPS DEVICE XLi INITIALIZATION SUCCESSFULLY COMPLETED F100 P Change User Password Use function F100 P to change a user password In a network port session F100 P changes the password of the user you logged in as op...

Страница 104: ... the new password is entered differently the second time The XLi responds ERROR PASSWORDS DO NOT MATCH NEW PASSWORD REJECTED F100 PI PING Use function F100 PI to ping a remote host to see if it is reachable If no IP Address is provided F100 PI uses the XLi s own IP Address and tests whether the XLi s network port has a good network connection To ping a known host enter F100 PI S IP Address CR For ...

Страница 105: ...ort session F100 PN changes the name of the operator user See Command Line Interface on page 29 To change the user name enter F100 S PN CR where The XLi responds ENTER NEW USER NAME When you enter a new user name The XLi responds CONFIRM NEW USER NAME Enter the same new user name again to confirm the spelling If the same new user name has been entered twice The XLi responds OK CR LF In this case t...

Страница 106: ...e XLi using the F100 K I L L Reboot command Immediately press the MENU key on the keypad and hold down while the XLi is rebooting The XLi will display will hang while displaying BOOTING After a few moments release the MENU key Open a command line session with the XLi Use the F100 PN or F100 P commands as needed and then reboot the XLi again F108 Oscillator Configuration Note The standard XLi IEEE ...

Страница 107: ...urce The function F74 Clock Source Control on page 77 uses this designation to for reference source switching Standby disables and removes J1 Input as a valid reference source Selecting Primary or Secondary automatically bumps another reference source with the same setting e g F119 GPS Receiver Configuration to Standby Note Configuring F110 for TIET forces J1 Time Reference to Standby When reconfi...

Страница 108: ...nput Time Interval Event Time on page 12 Notes Time Code The XLi expects time code input that provides UTC in 24 hour format If the time code does not provide UTC in 24 hour format e g it uses standard local or GPS time or is in 12 hour format the XLi s internal clock will be set to the wrong time when it uses the time code reference and its time outputs will be similarly affected Time Code IRIG a...

Страница 109: ...buted MeasType TIET TIME TIET EVENT Note If TIET TIME or TIET EVENT is configured the timestamp s of the rising edge of the J1 input signal will be displayed each second Up to 100 timestamps can be spooled ctrl C exits this operation Source Clock source PRIMARY SECONDARY STANDBY Set IRIG to STANDBY for TIET Impedance 100K 50 50 Ω impedance is selectable with DC type only Note If 50 Ω impedance is ...

Страница 110: ...tandby example F110 IRIG A STANDBY 50 DC POSITIVE 1234 US SYNC GEN 1 FRAME CR And then configure TIET example F110 TIET 100K POSITIVE CR The XLi responds OK CR LF To obtain TIET measurement from J1 enter F110 TIET TIME CR The XLi responds OK CR LF xxxxxxxxx CR LF Time Interval display continues until function termination with Ctrl C Or example F110 TIET EVENT CR The XLi responds OK CR LF ddd hh mm...

Страница 111: ...g the Current Configuration To request the J2 Output Configuration enter the following F111 CR The XLi responds in the following format F111 S RATE CR LF Where Depending what F111 is currently set up to do the sample request F111 CR Displays a fixed 10 PPS rate output example F111 RATE 10PPS CR LF F ASCII character F 111 Function number S ASCII space character one or more RATE Output rate or type ...

Страница 112: ...related information has been removed from this section Use function F113 to configure the J3 Input for one of the following settings Auxiliary Reference Aux Ref input Disable all J3 inputs F113 offers the following keypad settings J3 Input Configuration Aux Ref Freq Meas Disabled J3 Input Frequency 1 MHz 5 MHz 10 MHz J3 Input Impedance 1kΩ 50 Ω The factory settings are Disabled 10 MHz and 1kΩ For ...

Страница 113: ...g the following formats F113 S DISABLE CR LF Or F113 S AUX REF S FREQ S IMP CR LF Where the F113 entry and request formats are defined as For example enter F113 CR The XLi displays the current configuration example F ASCII character F 113 function number SHOW ASCII character string SHOW for displaying frequency measurements DISABLE ASCII character string DISABLE to disable J3 as input port AUX REF...

Страница 114: ... values are accepted For example to enable an Aux Ref 5 MHz input frequency with 1 kΩ input impedance enter F113 AUX REF 5MHZ 1K CR Or to disable F113 enter F113 DISABLE CR To all of the above examples the XLi responds OK CR LF F116 Display Brightness Level Use function F116 to adjust the brightness of the front panel display on a range from 1 to 10 with 1 being the dimmest and 10 being the bright...

Страница 115: ...n F117 to display the XLi factory Serial Number and the availability of optional software features Send the string F117 CR XLi responds F117 S SN S SERIAL CR LF NTP STATE CR LF FREQ MEAS STATE CR LF TIET STATE CR LF PPO STATE CR LF where For example enter F117 CR XLi responds F117 SN 31234 CR LF NTP ENABLE CR LF FREQ MEAS ENABLE CR LF TIET ENABLE CR LF PPO ENABLE CR LF F ASCII character F 117 func...

Страница 116: ...e 6 Option bay locations The cards recognized by F118 are as follows N 1 Frequency Synthesizer 87 8022 N 8 Frequency Synthesizer 86 708 1 GPS Receiver 86 8013 GPS C A Receiver 87 8028 2 Frequency and Time Deviation Monitor 87 8023 Have Quick 1 PPS Time and Frequency Reference 87 8016 3 Have Quick Out 87 8016 6 The cards not recognized by F118 are as follows Multicode Output 87 6002 XL1 Low Phase N...

Страница 117: ...18 B2 N 1 FREQUENCY SYNTHESIZER F118 B3 NOT RECOGNIZED F118 B4 GPS RECEIVER F118 B5 NOT RECOGNIZED F118 B6 NOT RECOGNIZED F118 B7 NOT RECOGNIZED F118 B8 NOT RECOGNIZED F118 B9 NOT RECOGNIZED F118 B10 NOT RECOGNIZED F ASCII character F 118 function number S ASCII space character one or more B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 OC Option Card Name GPS RE...

Страница 118: ...ocation Part Number Software Version FPGA Number GPS Status Locked or Unlocked GPS Antenna Ok or Open GPS Acquisition State Dynamic Mode Stop Site Survey Stop TRAIM Start Site Survey Start TRAIM Survey Position Position Hold GPS Time Reference Primary Secondary or Standby Each of F119 s information status and configuration items are explained below Because F119 is an important function this sectio...

Страница 119: ...minutes under nominal conditions This transition is illustrated below Following initialization the front panel display of an XLi with only one GPS receiver GPS Status Unlocked would show the following UNLOCKED GPS PRI LOCAL 365 16 01 05 1969 With the GPS receiver as a valid time reference the following changes would take place The asterisk indicating the absence of a valid reference would disappea...

Страница 120: ... and its priority e g GPS PRI GPS Acquisition State If the user has determined that the receiver will remain in a static location and sets the GPS operation mode to Time Mode See F53 GPS Operation Mode on page 58 the C A Receiver has the following acquisition states Survey Position The receiver is establishing an initial position following a reset If the receiver had current satellites prior to be...

Страница 121: ... obtain the configuration of the GPS receiver enter the following F119 S B N S C CR where For example F119 B1 C CR XLi responds F119 B1 PRIMARY CR LF To change the configuration of the GPS receiver as a primary or secondary reference source enter F119 S B N S C S CONFIG CR F ASCII character F 119 function number S ASCII space character one or more B ASCII letter to denote Option Bay number follows...

Страница 122: ...option for the standard XLi IEEE 1588 clock F123 Have Quick Input 1 PPS Sync Configuration Note The HaveQuick 1 PPS Sync card is currently unavailable as an option for the standard XLi IEEE 1588 clock F ASCII character F 119 function number S ASCII space character B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 SEP one or more separator characters either space co...

Страница 123: ...he key code using F126 reboot the XLi To set the Options Key code enter the following F126 S KC CR LF where For example enter F126 S 5674397586090 CR The XLi responds OK CR LF Use function F117 to verify that the correct code was entered Then reboot the unit to activate the option Please note that entering all nines as shown below disables all of the option keys F126 S 999999999999999 CR F128 Have...

Страница 124: ...he left right arrow keys to position the cursor Use the up down arrow keys to select an option or change a value Use the ENTER key to continue to the next screen F130 is a status function and cannot be used to change settings The following screens are available the keypad shown with example values PTP AVAILABILITY OPTION BAY 1 PTP PART NUMBER 87 8036 SOFTWARE 230 01520 15V1 3 FPGA 230 01510 14v001...

Страница 125: ...GY ETHERNET PTP NUMBER OF PORTS 1 PTP STRATUM 255 PTP CLOCK ID DFLT If this option card is a PTP SLAVE the following information will be provided SLAVE CLOCK SYNCHRONIZED LOCKED CR LF or UNLOCKED PTP UUID MAC ADDR 00 A0 69 00 E3 F4 CR LF PTP TECHNOLOGY ETHERNET CR LF PTP NUMBER OF PORTS 1 CR LF PTP STRATUM 2 CR LF PTP CLOCK ID GPS CR LF F ASCII character F 130 function number SP ASCII space charac...

Страница 126: ...S 1 where F ASCII character F 130 function number SP ASCII space character one or more B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 S ASCII letter denotes PTP status to follow LT line terminator either a carriage return and line feed for output strings or a carriage return only for input strings ...

Страница 127: ...isabled PTP subdomain name Re initialize the IEEE 1588 card restore factory defaults Re initialize the IEEE 1588 card restore the current settings PTP Master or Slave If slave set as primary secondary or standby reference source PTP Slave Synchronization Threshold PTP Preferred Master Configuration Option bay location of the IEEE 1588 cards The option bay number identifies the physical location of...

Страница 128: ...atic IP address settings The command line interface and keypad display interface show the DHCP assigned IP address subnet and gateway separately from the static settings Note Enabling DHCP reboots the XLi IEEE 1588 Clock DHCP assigned IP address subnet mask and default gateway for the network port The command line and keypad display interfaces display the DHCP assigned IP address information separ...

Страница 129: ...sabled Enables or disables the PTP 1588 network port This feature can be used to put specific PTP nodes offline without shutting them down The default factory setting is Enabled PTP subdomain same Makes it possible to establish up to four separate timing networks on the same physical subnet PTP nodes only synchronize with PTP nodes of the same subdomain they disregard PTP nodes that are part of a ...

Страница 130: ...masters and PTP slaves must be set to 2 SECONDS PTP Slave Synchronization Threshold Sets the synchronization threshold for the PTP slave to lock to the PTP master determining whether the F130 parameter SLAVE CLOCK SYNCHRONIZED reports LOCKED or UNLOCKED Use the 5 microsecond setting for timing networks that traverse approximately 2 hubs or switches Try the 1000 microsecond setting if the PTP slave...

Страница 131: ...C 010 024 000 001 Range 0 to 255 for each 3 digit address PTP DHCP ENABLE or DISABLE or DHCP if enabled the next three screens provide the IP Address Subnet Mask and Gateway assigned by the DHCP server PTP SYNC INTERVAL 2 or 1 8 16 64 PTP BURST MODE DISABLE or ENABLE PTP PORT STATE ENABLE or DISABLE PTP SUBDOMAIN NAME _DFLT or _ALT1 _ALT2 _ALT3 PTP RESET TO FACTORY DFLT NO or YES PTP INIT TO USER ...

Страница 132: ... DHCP CR Enable disable DHCP F131 SP B N SP DHCP SP SET CR Request the PTP Protocol settings F131 SP B N SP PROTOCOL CR Enter the PTP Protocol Sync Interval enable or disable Burst and enable disable the Port F131 SP B N SP PROTOCOL SP SI SP BS SP PO CR Request the PTP Subdomain Name F131 SP B N SP SDN CR Reset the PTP Parameters to the Factory Default settings F131 SP B N SP RFD CR Initialize the...

Страница 133: ...ed Master Clock setting F131 SP B N SP PM SP ENA CR Request the status of all PTP Network parameters F131 SP B N SP S CR where Request a summary of the PTP card configuration For example enter F131 B N IC The XLi responds F131 B4 IP 206 54 47 21 SM 255 255 255 0 G 206 54 47 1 STATIC CR LF Set Internet Configuration settings To get the Internet Configuration IC enter F131 SP N SP IC For example ent...

Страница 134: ...206 54 47 21 To set the IP address enter F131 B N SP IP SP nnn nnn nnn nnn where For example enter F131 B4 IP 206 54 47 21 Response one of the following lines OK The IP Address has been received and applied by the PTP Option Card CR LF Set the Subnet Mask To get the Subnet Mask enter F131 B N SM To set the Subnet Mask enter F ASCII character F 131 unit function number SP space B ASCII letter to de...

Страница 135: ...t the Default Gateway enter F131 B N G To set the Default Gateway enter F131 B N SP G SP nnn nnn nnn nnn where For example enter F131 B4 G 206 54 47 1 F ASCII character F 131 unit function number SP space B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 SM specify Subnet Mask command nnn nnn nnn nnn dotted decimal address F ASCII character F 131 unit function numb...

Страница 136: ...or can be used instead of SP following IP SM and G e g IP 192 168 46 150 A mix ture of colon and SP separators cannot be used For example using appropriate values for your network enter something similar to F131 B4 IP 192 169 46 150 SM 255 255 255 0 G 192 168 46 1 Response OK The Network Parameters have been received and applied by the PTP Option Card CR LF The Response messages that the PTP optio...

Страница 137: ...led ERROR DHCP dynamic settings has Failed using Static IP Get PTP Protocol settings To get PTP protocol settings use the following format F131 B N PROTOCOL CR For example enter F131 B4 PROTOCOL Response F131 B4 PROTOCOL 27 ENABLE ENABLE CR LF To set the PTP protocol settings use the following format F131 B N SP PROTOCOL SP SI SP BS SP PS F ASCII character F 131 unit function number SP space B ASC...

Страница 138: ...request the PTP Subdomain Name use the following format F131 B N SDN CR For example enter F131 B4 SDN Response example F131 B4 SDN _DFLT CR LF Set the PTP Subdomain Name To set the PTP Subdomain Name use the following format F131 SP B N SP SDN SP SUBDOMAIN F ASCII character F 131 unit function number SP space B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 PROTOC...

Страница 139: ...er F131 B4 RFD Response one of the following lines OK The PTP Option Card Network Port has been set to Factory Default values CR LF Initialize the PTP Protocol to User entered Values Each time the user changes any PTP setting using F131 the user must enter this command for the changes to take effect To initialize the PTP Protocol to user entered values use the following format F131 B N INIT CR For...

Страница 140: ...he settings use the following format F131 B N SP C SP MS SP CONFIG where For example enter F131 B4 C SLAVE PRI Response one of the following lines OK Ref Clock Configuration has been received and applied by the PTP Option Card Note The PTP reference clock configuration settings are saved in XLi NVRAM so they can be used to initialize the PTP option card with Master Slave and Pri Sec Stby selection...

Страница 141: ...t the PTP Slave Synchronization Threshold The following command sets the PTP Slave Synchronization Threshold of a 1588 card This value can only be set when the 1588 card is configured as a PTP slave To set the PTP Slave Synchronization Threshold use the following format F131 B N SP SST SP TM where For example enter F131 B4 SST 5 Response one of the following lines OK Slave Sync Threshold has been ...

Страница 142: ...ferred Master clock configuration settings To set the PTP Preferred Master clock configuration use the following format F131 B N SP PM SP CONFIG where For example enter F131 B4 PM ENABLE Response one of the following lines OK Preferred Master Clock Config has been received and applied by the PTP Option Card Request PTP Network Parameter Status Use Serial Network port F131 B N S command to review a...

Страница 143: ...S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S For example enter F131 B4 S Response F131 B4 CR LF PROTOCOL SI BURST PORT CR LF 16 DISABLE ENABLE CR LF SDN _DFLT CR LF CLK CONFIG SLAVE PRI CR LF SLAVE SYNC THRESHOLD 5 microsec CR LF PREFERRED MASTER ENABLE CR LF ...

Страница 144: ...136 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 145: ...LD You entered a command that lacks a required field Recovery Action Re enter the command using the required fields ERROR 04 BAD DATA TIMEOUT CONDITION The GPS option card did not respond to the XLi soon enough Recovery Action Re enter the command using the required fields ERROR Invalid Command You have entered an invalid command Recovery Action Consult the manual for the correct command and re en...

Страница 146: ...on Check file location and directory names to verify the path is accurate then re enter the command ERROR Can t open dest file NAME The destination file is unavailable Recovery Action Check file location and directory names to verify the path is accurate then re enter the command ERROR Can t write file NAME Data from the source file cannot be copied to the destination file Recovery Action Check fi...

Страница 147: ...and takes precedence Wait until it is over before logging in or expecting a response to an entered Telnet command Host NAME ip ADDRESS configured successfully Host configuration was successful Source file NAME bytes read NUMBER Source file was successfully read Dest file NAME bytes written NUMBER Configuration files transferred successfully Information was successfully transferred to the destinati...

Страница 148: ...140 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 This page was intentionally left blank ...

Страница 149: ... To save time and trouble download a pre configured FTP server from http www ntp systems com zip warftpd1 zip and extract it to the C drive on your workstation Otherwise customize your existing FTP server setup as described in this section When performing these operations the user issues command line instructions to the XLi The XLi responds to those commands by connecting to the FTP server and tra...

Страница 150: ...fig snmp conf bytes read 1275 Dest file snmp conf bytes written 1275 Configuration files transferred successfully If you get Error Can t write file when you enter the get command verify the following FTP server items FTP server is running Anonymous has a home directory The home directory for Anonymous has read write and delete enabled make sure to apply changes Edit the Configuration Files In Wind...

Страница 151: ...ands below replacing IP Address with the IP address of your workstation FTP server To move the SNMP config file type f100 config snmp set host IP Address dir subdir Here s an example of a successful SNMP config file transfer f100 config set snmp host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Are you sure y N y Source file snmp conf bytes read 1275 Dest file config snmp conf byt...

Страница 152: ...144 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 153: ...ur workstation Otherwise customize your existing FTP server setup as described in this section When performing these operations the user issues command line instructions to the XLi The XLi responds to those commands by connecting to the FTP server and burning the software to system memory The XLi gives the FTP server Anonymous as its user name and uses a null password e g the equivalent of pressin...

Страница 154: ...ry on the FTP server If there is no subdirectory i e if the upgrade files are sitting in anonymous user s home directory drop relative_path from the command line For example if c ftpworkfiles is the anonymous user s home directory and the upgrade files are in c ftpworkfiles xli you would enter the command as follows F100 bh 192 168 49 120 xli 192 8000 bt On the other hand if the files are in c ftp...

Страница 155: ...or the firmware bin file F100 bh IP_address relative_path file bin For example F100 bh 192 168 49 120 192 8001 bin The XLi responds BURN HOST IS READY CR LF Then enter F100 bu The XLi responds OK BURNING FILE 192 8001 bin WITH SIZE 803016 TO PARTITION 1 SECTOR 10 SEC 10 RE 0 SEC 11 RE 0 SEC 12 RE 0 SEC 13 RE 0 SEC 14 RE 0 SEC 15 RE 0 SEC 16 RE 0 SEC 17 RE 0 SEC 18 RE 0 SEC 19 RE 0 SEC 20 RE 0 SEC ...

Страница 156: ...The K I L L command reboots your unit You have completed the firmware upgrade procedure Troubleshooting Most problems upgrading the firmware are due to problems with the configuration of the FTP server such as setting the server to accept a null password configuring the anonymous home directory setting the correct access rights entering the correct relative file path The following error messages m...

Страница 157: ...e upgrade files you put there If either the product name directory or the firmware upgrade files aren t visible there s a problem with the FTP configuration Message Wrong File type You may be using the wrong firmware files for the product being upgraded This may be due to the incorrect files being place in the upgrade directory It may also be that the wrong directory was entered one for another pr...

Страница 158: ...cable is optional If you decide to Telnet to the XLi over TCP IP network you don t need the null modem cable I m using a null modem cable to connect to the XLi from my laptop and the XLi keeps rebooting An ungrounded voltage level on one of the pins in the null modem cable causes the unit to reset Use one of the following work arounds Connect the laptop to a grounded power supply if it has one or ...

Страница 159: ...cts OBJECT IDENTIFIER symmetricomTtmEnt 5 products OBJECT IDENTIFIER symmetricomTtmEnt 6 xli OBJECT IDENTIFIER products 1 nic56k OBJECT IDENTIFIER products 2 trapMsgColdStart OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP port 162 or user defined when the TrueTime time server reinitializes The message is Cold Start...

Страница 160: ... antenna status The status can be OK or FAULT trapMsg 4 trapMsgGpsUnlocked OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP trap port 162 or user defined when the TrueTime time server s GPS detects change of the GPS status The status can be is unlocked trapMsg 5 trapMsgNewSyncType OBJECT TYPE SYNTAX DisplayString SIZ...

Страница 161: ...ESCRIPTION Total number of NTP packets reject for any reason by NTP application layer ntp 3 ntpAuthFail OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Total number of authentication failures This is a subset of ntpInErrors ntp 4 ntpDesiredAcc OBJECT TYPE SYNTAX INTEGER 0 2147483647 MAX ACCESS read only STATUS deprecated DESCRIPTION The desired worst case time accur...

Страница 162: ...second to be deleted in the last second of the day or an alarm condition indicating the loss of timing synchronization Note a primary time server s outgoing NTP packet will have its leap indicator field set to ntpSysLeap ntp 7 ntpSysHostMode OBJECT TYPE SYNTAX INTEGER 0 7 MAX ACCESS read only STATUS deprecated DESCRIPTION The value of this variable indicates the mode that the host is operating in ...

Страница 163: ...e in seconds with the fraction point between bits 15 and 16 Note that this variable can take on both positive and negative values depending on clock precision and skew Note a primary time server s outgoing NTP packet will have its root delay field set to ntpSysRootDelay ntp 12 ntpSysRootDisp OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION This is a raw 32 bit number...

Страница 164: ...CRIPTION This variable emulates TrueTime s serial function command strings The same commands issued to the serial port can be sent to this string Use this variable for SNMP sets of functions strings Note setting this variable clears ntpControlOutput to the null string See ntpControlOutput below ntsControl 1 ntpControlOutput OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS de...

Страница 165: ...d DESCRIPTION Mode of operation for satellite tracking See section 3 20 of the users manual for a complete description of these modes Generally modes 0 and 1 are used for time applications Mode 2 is useful for more accurate position information when the unit is stationary or slowly moving and mode 3 is for accurate position information when the unit is moving quickly gps 4 gpsSatMaxSigStrength OBJ...

Страница 166: ...tude location of GPS antenna where 2147483647 is the North Pole 2147483647 is the South Pole and 0 is the equator To calculate the latitude in radians use the following formula gpsLatitude PI 2 2 31 1 longitude in radians For degrees gpsLatitude 90 2 31 1 latitude in degrees Note latitude varies from PI 2 to PI 2 in radians and 90 to 90 in degrees gps 8 actsGroupValid OBJECT TYPE SYNTAX INTEGER 0 ...

Страница 167: ...X ACCESS read only STATUS deprecated DESCRIPTION This is the phone number of the ACTS dial up service including any prefixes needed to reach an outside line or international dialing Prefixes are separated by a comma from the main phone number acts 5 actsNumberOfCalls OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Number of times the time server has called the ACTS ...

Страница 168: ... no dial tone This may be caused by a broken phone line to the time server acts 10 actsNoCarrier OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Time server s internal modem found no carrier No modem was found at the other end and maybe the phone number for ACTS is wrong acts 11 actsBusyLine OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIP...

Страница 169: ...xliMainCardFROM XliMib xliMainCardModule MODULE IDENTITY LAST UPDATED 0205200000Z ORGANIZATION SYMMETRICOM INC CONTACT INFO Technical Support DESCRIPTION Symmetricom XLi Enterprise MIB xliMainCard 0 ntp OBJECT IDENTIFIER xliMainCard 1 ntpInPkts OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION Total number of NTP packets delivered to the NTP application layer from the tr...

Страница 170: ...s set ntpSysLeap will be equal to 3 Note Outgoing NTP packets will have their leap indicator field set to ntpSysLeap ntp 5 ntpEstErr OBJECT TYPE SYNTAX INTEGER 0 2147483647 MAX ACCESS read only STATUS current DESCRIPTION The time server s current estimated time error in microseconds This variable is related to ntpEstError Usually this value is small and constant for a given type of time server How...

Страница 171: ...riable indicates the mode the unit is operating in Note this is the value of the time server s outgoing NTP packet mode field ntp 8 ntpSysStratum OBJECT TYPE SYNTAX INTEGER 1 255 MAX ACCESS read only STATUS current DESCRIPTION This integer 1 255 indicates the stratum level of the local clock Note A primary time server sets outgoing NTP packets stratum field ntpSysStratum to 1 ntp 9 ntpSysPoll OBJE...

Страница 172: ... outgoing NTP packet will have its root delay field set to ntpSysRootDelay ntp 12 ntpSysRootDisp OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION This raw 32 bit number represents a signed 32 bit fixed point number This is the maximum error relative to the primary reference source in seconds with fraction point between bits 15 and 16 Only positive values greater than ze...

Страница 173: ...s reference identifier field set to ntpSysRefClockIdent ntp 14 END xli SMIv2 mib XliMib DEFINITIONS BEGIN IMPORTS MODULE IDENTITY FROM SNMPv2 SMI xli FROM SymmetricomTtm xliModule MODULE IDENTITY LAST UPDATED 0205200000Z ORGANIZATION SYMMETRICOM INC CONTACT INFO Technical Support DESCRIPTION Symmetricom XLi Enterprise MIB xli 0 xliSystem OBJECT IDENTIFIER xli 1 xliMainCard OBJECT IDENTIFIER xli 2 ...

Страница 174: ...stemFaultConfigMasks OBJECT IDENTIFIER systemFaultConfig 2 systemStatusGeneral OBJECT IDENTIFIER systemStatus 1 systemStatusDetail OBJECT IDENTIFIER systemStatus 2 SystemAlarmType INTEGER alarmPllSynthesizer 1 alarmLpnPll 2 alarmPrimaryRefClk 3 alarmSecondaryRefClk 4 alarmIRIG 5 alarmAuxRef 6 alarmPrimaryPower 7 alarmSecondaryPower 8 alarmRbOsc 9 alarmDac 10 alarmFirstTimeLock 11 alarmTimeError 12...

Страница 175: ...N A description of the the XLi system at the time the alarm was triggered The format matches the output of the F73 command systemAlarmData 4 alarmSystemNotification NOTIFICATION TYPE OBJECTS alarmDataIpAddr alarmDataTimeStamp alarmDataCode alarmDataStatusDescriptor STATUS current DESCRIPTION A trap that indicates a change in system status Refer to the list of OBJECTS above xliTrap 1 configDataLatc...

Страница 176: ...TAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the PLL synthesizer status changes systemFaultConfigMasks 1 maskLpnPll OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the LPN PLL status changes systemFaultConfigMasks 2 maskPrimaryRefClk OBJECT TYPE SYNTAX FaultMa...

Страница 177: ...TAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the primary power status changes systemFaultConfigMasks 7 maskSecondaryPower OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the secondary power status changes systemFaultConfigMasks 8 maskRbOsc OBJECT TYPE SYNTAX F...

Страница 178: ...onfigMasks 12 maskTimeout OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the timeout threshold is reached systemFaultConfigMasks 13 maskNtp OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm will be triggered when NTP is in alarm systemFaultConfigMasks 14 faultPllSynthesi...

Страница 179: ...aultIrig OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if an IRIG lock fault occurred since the fault latch was cleared systemFaultHistory 5 faultAuxRef OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if an auxiliary reference clock fault occurred since the fault latch was cleared systemFaultHistory 6 faultPrimaryPower OBJECT TYPE S...

Страница 180: ... TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if the system clock has failed to lock since power on and the latched faults have not been cleared systemFaultHistory 11 faultTimeError OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a time error fault occurred since the fault latch was cleared systemFaultHistory 12 faultTimeout OBJECT TYP...

Страница 181: ...ckAuxRef 7 clockNone 8 MAX ACCESS read only STATUS current DESCRIPTION Identifies the current clock source systemStatusGeneral 2 statusDescriptorStrOBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS current DESCRIPTION Describes the XLi system at the time the alarm was triggered The format matches the output of the F73 command systemStatusGeneral 3 statusPllSynthesizerOBJECT T...

Страница 182: ...atusDetail 3 statusSecondaryRefClk OBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the secondary reference clock systemStatusDetail 4 statusIrig OBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the IRIG systemStatusDetail 5 statusAuxRef OBJECT TYPE SYNTAX INTEGER o...

Страница 183: ... DESCRIPTION Gives the current status of the rubidium oscillator systemStatusDetail 9 statusDac OBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the digital to analog convertor systemStatusDetail 10 statusFirstTimeLock OBJECT TYPE SYNTAX INTEGER firstTimeLockedOnce 1 firstTimeLockedOnceWithinTimeout 2 firstTimeNotLocked 3 MAX ACCES...

Страница 184: ... current status of the NTP alarm systemStatusDetail 14 END Editing snmp conf By default SNMP is disabled To enable SNMP or configure its parameters follow the steps outlined below Please open edit save and close the snmp conf file without changing its name or saving it as a new file type An example snmp conf file might look like the following with each string that follows NAME appearing as a singl...

Страница 185: ...addresses after that at our discretion and design New Top Level Structure of Enterprise MIB for XLi The former address structure of Symmetricom s Enterprise MIB is as follows TrueTimeEnt 1896 TrapMsg 1 ntp 2 ntsControl 3 gps 4 acts 5 MIB config ttmib o Don t touch This is a factory setting GenTraps YES Global enable disable setting for all SNMP traps YES the default setting enables all traps NO di...

Страница 186: ...t option card type because there may be multiple cards of that type within an XLi chassis The current traps message group is located under the fault The ntp group is under the xliMainCard group as an option and is related to only to NTP on the standard network port on the XLi s Main CPU card For each instance of an NTP option card the NTP group will be repeated under the optionCards group GPS is l...

Страница 187: ...ucts XLi System Group The XLI system group contains the xliFault and the xliStatus groups These groups contain information describing the operation of the XLI system as a whole The xliFault group contains information concerning system faults that have occurred as well as configuration parameters for the generation of system alarms called traps in SNMP resulting from those faults The xliStatus prov...

Страница 188: ...Clk 4 maskIRIG 5 maskAuxRef 6 maskPrimaryPower 7 maskSecondaryPower 8 maskRbOsc 9 maskDac 10 maskFirstTimeLock 11 maskTimeError 12 maskTimeout 13 maskNtp 14 configDataLatchClear 1 configDataThreshold 2 configDataTimeout 3 configDataPowerOnSuppress 4 alarmDataIpAddr 1 alarmDataTimeStamp 2 alarmDataCode 3 alarmDataStatusDescriptor 4 faultPllSynthesizer 1 faultLpnPll 2 faultPrimaryRefClk 3 faultSecon...

Страница 189: ...stem alarm event When the status changes for example if the primary GPS becomes unlocked the associated mask is checked Only if the mask is enabled will a system alarm be generated The systemFaultHistory group contains latched status indicators for each of the system alarm events If a system alarm event goes into fault status even if this status is transient then the associated entry in the system...

Страница 190: ...ined under Truetime products xli xliTraps This is required to maintain compatibility with MIBS defined using the Structure of Management Information version 1 definitions The XLI SNMP agent will send SNMP version 1 traps This is done to maintain compatibility with SNMPv1 managers The traps presently defined are alarmSystemNotification The alarmSystemNotification trap is sent when the state of an o...

Страница 191: ...he management of optional add on cards It is suggested that each sub group under xliOptionCards be defined as a table to allow for the possibility of multiple option cards of a particular type Glossary of SNMP Related Terms Depreciation In SNMP when an SNMP variable or group of variables is no longer recommended for use they are listed as deprecated in the formal definition of the MIB Users are of...

Страница 192: ...mments A document reviewed and released by the IANA that defines the formal definitions of various Internet communication protocols and related information SNMP Simple Network Management Protocol This Internet communications protocol is used for the status and control of remote network devices Numerous IANA standards committees starting in 1990 and continuing to day define this protocol Trap or Tr...

Страница 193: ...n select the menu item Edit Events Modify A popup titled Modify Events will appear 4 In the Modify Events popup click the Event Message tab Under Actions select the Log and display in category In the Event Log Message field enter XLI System Trap without the quo tation marks 5 Select the menu item Options MIB Application Builder SNMP A popup titled MIB Application Builder SNMP will appear 6 In the ...

Страница 194: ... 2 In the SNMP Configuration popup set the Community field to public the Set Community field to private and the Retries field to 0 XLi Configuration SNMP Configuration Follow the manual to load the snmp conf configuration file into the XLi The IP address of the HP OpenView PC must be in both the public and private communities Test Procedure Testing Get 1 From the Network Node Manager root level do...

Страница 195: ... popup appears saying Set has completed successfully 9 Select the menu item XLI Configuration In the popup xliconfig verify that the maskPllSynthe sizer entry is set to enabled 10 Repeat steps 4 9 in turn for each additional entry under systemFaultConfigMasks Trap Testing 1 1 Perform an action to generate a trap 2 2 Select the menu item Fault Alarms 3 3 Verify in the All Alarms popup that there is...

Страница 196: ...188 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 This page was intentionally left blank ...

Страница 197: ...and many other uses IRIG codes in the strict sense encode Universal Coordinated Time UTC in 24 hour format and not local time Nonetheless this instrument can encode UTC or local time in either 24 or 12 hour formats IRIG Code Format Reference IRIG Standard Format A on page 192 The level shifted pulse width modulated serial formats of IRIG B and IRIG A are divided into three segments The first segme...

Страница 198: ...ement P5 70ms is a binary 1 when the worst case time error exceeds threshold 2 Element P5 80ms encodes a binary 1 when the error exceeds threshold 3 and P5 90ms when the error exceeds threshold 4 Output The XLi provides the following IRIG time code outputs refer to IRIG Standard 200 95 IRIG B B120 1 KHz sine wave amplitude modulated with BCD CF SBS B000 DC level shift width coded with BCD CF SBS I...

Страница 199: ...ents are contained within one frame The frame length for NASA 36 is 1 second long and contains 100 elements pulses each of which start every 10 milliseconds An element may represent either a binary zero a binary one a reference marker or a position identifier A zero is 2 ms a one is 6 ms a position identifier is 6 ms A reference marker is 5 consecutive position identifiers A reference marker locat...

Страница 200: ...192 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 Figure 8 IRIG Standard Format A ...

Страница 201: ...XLi IEEE 1588 Clock 193 997 01510 03 Rev C 12 12 2006 2 5 1 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S F World Map of Time Zones ...

Страница 202: ...194 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 This page was intentionally left blank ...

Страница 203: ...i 1U Chassis w CPU GPS and 1 IEEE 1588 card 1510 602 Model XLi 1U Chassis w CPU GPS and 2 IEEE 1588 cards 1510 602 Software Key Enabled Options Time Interval Event Time TIET on Main CPU J1 87 8026 Plug in Options Main CPU Card 87 8000 GPS C A Receiver w TRAIM Antenna Cable 87 8028 2 Rack Mount Kit 2 mounting brackets for 1 U chassis 206 719 4 flat head Phillips screws 241 008 005 ...

Страница 204: ...196 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 This page was intentionally left blank ...

Страница 205: ...886435 Technical Support can be obtained either through the Online Support area at www symmetricom com or by calling one of the Customer Assistance Center numbers above When calling the Worldwide or USA telephone number Select Option 1 at the first prompt Select Option 2 for Timing Test and Measurement Division products Technical Support personnel are available by phone 24 hours a day 7 days a wee...

Страница 206: ...198 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 207: ...is a slave on one port and a master on all others Grandmaster Clock Within an IEEE 1588 subdomain a Grandmaster clock is the ultimate source of time for clock synchronization using the IEEE 1588 protocol IEEE 1588 Ordinary Clock A IEEE 1588 clock with a single port Precision Time Protocol PTP The protocol defined by the IEEE 1588 standard Transparent Clock In IEEE 1588 terminology it is a switch t...

Страница 208: ...200 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S 1 ...

Страница 209: ...5 195 87 8000 195 87 8026 195 87 8028 2 4 195 A Alarm 25 Alarm Control Status 69 ALARM Output 14 Alarm Status LED 25 Alarm Status LED 9 25 70 Antenna Cable Delay 55 Aux Ref 13 J3 Input 104 B BASE T 85 BF 91 BH 89 BootLoader 89 Bootloader Mode 98 BU 90 BUB 89 BUFP 91 Burn 90 Burn BootLoader 89 Burn File System 91 Burn FPGA Firmware 91 Burn Host 89 C Cable Delay Distribution 57 GPS 55 Certifications...

Страница 210: ...DST Mode 63 Deleted previously set IP host address 139 Dest file bytes written Configuration files transferred successfully 139 Display Configuring Time 19 Display Brightness Level 106 Distribution Cable Delay 57 DST Mode 63 E EA 82 Editing snmp conf 176 ERROR 01 VALUE OUT OF RANGE 137 02 SYNTAX 137 03 BAD MISSING FIELD 137 Action get or set is not specified 138 Can t create netdevice 137 Can t op...

Страница 211: ...hange User Name 97 F100 SM Subnet Mask 83 F100 ST Self Test Status 88 F108 Oscillator Configuration 98 F110 J1 Input Time Code 99 F111 J2 Output Rate 102 F113 J3 Input Aux Ref 104 F116 Display Brightness Level 106 F117 Factory Configuration 107 F118 Option Board Configuration 108 F119 GPS Receiver Configuration 110 F120 N 1 Frequency Synthesizer 114 F123 Have Quick 1PPS Sync Configuration 114 F126...

Страница 212: ...ency Measurement 13 104 Frequency Synthesizer N 1 114 FTM III Configuration 53 Function Reference 35 Function Summary 35 Future Expansion 182 G G 84 Gateway 84 Goodbye 139 GPS Antenna Cable Delay 55 M12 Receiver 4 Operation Mode 58 Receiver Configuration 110 Satellite List 60 Signal Strength Requirements 17 GPS Receiver Configuration 110 GPS Receiver LLA XYZ Position 53 Guest Login User Name Passw...

Страница 213: ... L 87 Latitude Longitude and Altitude 53 LED 25 Alarm Status 25 LLA XYZ Position 53 Lock Keypad 45 LOCK UNLOCK 86 Logging In 29 32 Logging Out 33 Logging out 30 M Materials Needed 184 Measure Frequency Input 104 Menu Display 26 Messages Informational 139 XLi Generated 137 MIB Structure 177 Multicode Output Configuration 53 N N 1 Frequency Synthesizer 114 N 8 Frequency Synthesizer F44 53 NASA 36 78...

Страница 214: ...guration 98 P P 95 Part Numbers 195 Password 29 Change 95 Changing 30 Passwords 32 PI 96 PING 96 Position 53 PPO 102 103 Private Enterprise MIB Structure 177 Programmable Pulse Output 102 R Rack Mounting 22 Rack Mounting the XLi 22 Rate Output J2 102 Reboot 94 Remote Lock Status 87 Remote Lockout 86 Restarting the Unit Please wait 139 S Satellite List 60 Self Test Status 88 Serial I O Port 11 Seri...

Страница 215: ...rce file bytes read 139 Specifications 9 AC Power Supply 9 Chassis 10 Mechanical Environmental 9 Time Frequency Accuracy 10 ST 88 Standard 12 VDC Power Supply 6 Standard Inputs and Outputs 11 Standard TCVCXO Oscillator 5 Statistics Oscillator 67 Status Alarm Control 69 Fault 68 Self Test 88 Status Display 26 28 29 Submitting Changes 33 Subnet Mask 83 T Test Procedure 186 TIET 12 99 Time Date 40 Ti...

Страница 216: ...mware 145 User Interfaces 25 User Name 29 32 Change 97 User Privileges 31 Username Changing 30 Using F100 Config 141 V Version Software 53 W Web Interface 31 X XLi Clock Architecture 7 Configuration 186 MainCard Group 182 Rack Mounting 22 Software 80 System Group 179 System Status Group 181 Traps 182 XLi Generated Messages 137 XYZ coordinates 53 ...

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