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XLi Time & Frequency System

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XLi-man, Issue 8, 6/17/2008, Rev. H

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F1 – Time Zone Offset  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
F2 – 12/24 Hour Format  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
F3 – Time & Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
F4 – Serial Port Configuration  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
F5 – Time-Quality Setup   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
F6 – Keypad Lock   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
F8 - Continuous Time Once-per-Second  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
F9 - Time On Request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
F11 - Time Output Format  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
F13 – Time Error   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
F18 – Software Version Request   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
F27 – FTM III Configuration  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
F42 – Multicode Output Configuration   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
F44 – N.8 Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
F50 – GPS Receiver LLA/XYZ Position  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
F51 – GPS Antenna Cable Delay  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
F52 – Distribution Cable Delay  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
F53 – GPS Operation Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
F60 – GPS Receiver Satellite List   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
F66 – Daylight Saving Time (DST) Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
F67 – Manual Leap Second Entry   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Adding a Leap Second:   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Subtracting a leap second:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Setting the manual leap second function to no event:  . . . . . . . . . . . . . . . . 88

F69 – Time Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
F71 – Oscillator Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
F72 – Fault Status  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
F73 – Alarm Control / Status  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Alarms - General Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Clock Status  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
LPN PLL   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
GPS Primary Receiver and GPS Secondary Receiver  . . . . . . . . . . . . . . . . 97
IRIG  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Aux Ref   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Primary Power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Secondary Power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Rubidium Oscillator  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
DAC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
First Time Lock  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Time Error and Time Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Alarm LED Blink  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Timeout and Timeout Delay   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Power-On Alarm Suppress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
NTP   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Clear Alarm Latch  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

F74 – Clock Source Control  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание XLi

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...an Issue 8 6 17 08 Rev H XLi Time Frequency System User Guide Issue 8 June 2008 Manual Part Number XLi User Manual CD Part Number Xli Man CD Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ...ght 2008 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 4: ...t Time 9 J2 Output Rate Out or Programmable Pulse Output 10 J3 Input Auxiliary Reference or Frequency Measurement 10 1 PPS Pulse Per Second Output 11 CODE Time Code Output 11 ALARM Output 12 Time Code Output IRIG B120 w IEEE1344 12 OUTPUT 13 Time Code Output IRIG B000 w IEEE1344 13 OUTPUT 14 Time Code Input IRIG B120 w IEEE1344 14 INPUT 15 Time Code Input IRIG B000 w IEEE1344 15 Manual Leap Second...

Страница 5: ...PS and Time Code References 30 XLi with two optional GPS receivers 30 Installing the Expansion Module 31 Verifying Antenna Installation 31 Rack Mounting the XLi 31 4 User Interfaces 33 Card Positions 33 Alarm Status LED 33 Keypad Display Interface 34 Time Display 34 Status Display 35 Menu Display 35 Keypad Operation 36 Keypad Examples 37 Command Line Interface 38 Logging In 38 Operator Login 38 Gu...

Страница 6: ...78 F53 GPS Operation Mode 80 F60 GPS Receiver Satellite List 81 F66 Daylight Saving Time DST Mode 84 F67 Manual Leap Second Entry 86 Adding a Leap Second 87 Subtracting a leap second 87 Setting the manual leap second function to no event 88 F69 Time Mode 89 F71 Oscillator Statistics 91 F72 Fault Status 92 F73 Alarm Control Status 94 Alarms General Information 95 Clock Status 96 PLL 97 LPN PLL 97 G...

Страница 7: ... NTP SNMP 131 F100 J Factory Mode Jumper 132 F100 K I L L Reboot 133 F100 P Change User Password 134 F100 PI PING 135 F100 PN Change User Name 135 F108 Oscillator Configuration 137 F110 J1 Input Time Code TIET 137 F111 J2 Output Rate PPO 142 F113 J3 Input Aux Ref Freq Meas 146 F116 Display Brightness Level 150 F117 Factory Configuration 151 F118 Option Board Configuration 152 F119 GPS Receiver Con...

Страница 8: ... 180 Sine Wave Outputs 180 Square Wave Outputs 180 Maintenance 180 Equipment Required 180 No Output Or Outputs 181 Noisy Outputs 181 Incorrect Frequencies 181 T1 Telecom Interface Output 87 6000T1 8 181 Introduction 181 Specifications 182 Configuration 182 Frame Format Selection 184 T1 AIS Assertion and Output Signal Control on Major Fault 184 Output Signal Frequency Selection 185 Installation 185...

Страница 9: ...istics 217 Have Quick Output with selectable TFOM 87 8016 6 219 Have Quick Output Specifications 219 Have Quick Signal Characteristics 219 HaveQuick with selectable TFOM 219 Enhanced Low Phase Noise Module 87 8040 221 Legacy Option Cards 222 GPS Receiver 86 8013 222 Introduction 222 Specifications 222 P7 Oscillators 223 OCXO Oscillator Upgrade 223 High Stability OCXO Oscillator Upgrade 223 Rubidiu...

Страница 10: ...45 SymmetricomTtm SMIv2 mib 245 xliMainCard SMIv2 mib 255 xli SMIv2 mib 259 xliSystem SMIv2 mib 259 Editing snmp conf 270 SNMP Private Enterprise MIB Structure 271 SNMP Addressing 271 New Top Level Structure of Enterprise MIB for XLi 271 XLi System Group 273 The XLi Fault Group 274 The XLi System Status Group 275 XLi MainCard Group 276 XLi Traps 276 Future Expansion 276 Glossary of SNMP Related Te...

Страница 11: ...ormat 287 IRIG B Time Quality Flags 288 XLi IRIG Time Code Input Output 288 NASA 36 289 Introduction 289 NASA 36 Code Format 289 XLi NASA 36 Time Code Input Output 289 F World Map of Time Zones 291 G Part Numbers 293 H Sales and Customer Assistance 295 Index 297 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 12: ...th one GPS antenna receiver and one time code or 1PPS reference In addition the 2U chassis when configured with multiple options provides dual redundancy and distribution in a single unit Optional oscillator upgrades provide enhanced short term stability when locked to a reference source and improved holdover flywheeling when a reference source is unavailable See P7 Oscillators on page 223 for mor...

Страница 13: ...ine MPPS Square Output Card Have Quick Input 1 PPS Sync Reference Card Have Quick with TFOM Output Card PTTI BCD Output Parallel BCD mSec Output with Time Quality Card Parallel BCD uSec Output with Time Quality Card Parallel BCD mSec Output Card Oscillator Options OCXO Rubidium Frequency and Time Deviation Monitor Time Interval Event Time Option DC Power Supplies for 12 24 and 48 VDC applications ...

Страница 14: ...chitecture Figure 1 Functional Timing Block Diagram Aux Ref 1 5 10 MHz Rate Generation Code Generation Clock Machine Phase Compare 200 MHz PLL 10 MHz Osc DAC DAC Select Clock DPLL Phase Measurement 16 384 MHz Osc PLL 1 PPS Timing Select Time and Clock Recovery Code Input 1 PPS Output Code Output Rate Output Aux Ref 1 PPS A 1 PPS B Code Input Artisan Technology Group Quality Instrumentation Guarant...

Страница 15: ... Architecture Block Diagram Display Keypad Oscillator Rb Power Display Keypad Interface Backplane Interface Power Supply AC 5 V 12 V Power Supply DC 5 V 12 V T F CPU Option 10 MHz Power Vc I O Power I O Power I O 110 220 AC 9 18 VDC 18 36 VDC 36 72 VDC User I O User I O Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 16: ... 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 Input Input connector IEC 320 connector Input voltage range UL 100 240 VAC Universal 90 264 VAC and 110 370 VDC Input freq range 47 Hz 440 Hz Output 5 2 V 5 0 to 5 4 V 25 watts 0 to 5 amps 12 V 11 4 to 12 6 V 45 watts 0 to 3 8...

Страница 17: ... day Frequency Timing Allan Deviation Stability with TCXO 1 x 10 9 1 sec 3 x 10 10 10 sec 3 x 10 10 100 sec 2 x 10 10 1000 sec 1 x 10 12 1 day AM Code Output Accuracy 10 μS to the 1 PPS output DC Level Shift Code Output Accuracy 200 nS to the 1 PPS output Time to System Lock 20 min typical 1 PPS Output 10 μS to the incoming code Frequency Output Accuracy 1x10 10 referenced to 5x10 11 carrier 1 day...

Страница 18: ...g IRIG A000 A130 B000 B120 or NASA 36 as the primary reference See F3 Time Date page 50 Chassis 1 PPS Output 10 μS to the incoming code Stability of Frequency Timing Allan Deviation 5x10 9 10 sec Accuracy of AM Code Output 10 μS to the incoming code Accuracy of DC Level Shift Code Output 10 μS to the incoming code 1 PPS Output 10 μS to the incoming 1 PPS Stability of Frequency Timing Allan Deviati...

Страница 19: ...52 NET Network Port The Ethernet port interface has a standard RJ 45 connector that provides IEEE 802 3 frame 10 100 Base T Ethernet The XLi can optionally be factory configured as a Network Time Protocol NTP server which can be used to synchronize client computer clocks over a network This function is only available with GPS and IRIG B input See F100 Network Port Configuration XLi Firmware on pag...

Страница 20: ...l impact TIET measurements Format IRIG B120 B000 B120 1344 B000 1344 IRIG A130 A000 NASA 36 Amplitude AM 0 5 Vp p to 10 Vp p 100 kΩ to ground Ratio AM 3 1 10 Amplitude DC Logic Low Logic Hi 1 25V and Min 300mV 1 25V and Max 10V Impedance 100 kΩ 50 Ω Polarity Positive or negative Direction Forward Quantity 1 Connector Female BNC Related Features Propagation delay 0 99999 μS Error bypass See F110 on...

Страница 21: ... Auxiliary Reference Aux Ref Rate 1 PPS 10 PPS 100 PPS 1 kPPS 10 kPPS 100 kPPS 1 MPPS 5 MPPS 10 MPPS PPO if PPO option is installed Duty cycle 40 60 10 Amplitude TTL TTL Levels into 50 Ω Quantity 1 Connector Female BNC Factory Configuration The Rate Output is default 10 MPPS Pulse Width Programmable in 1 μS steps Start Rising Stop Falling Amplitude TTL levels into 50 Ω Accuracy Refer to System Tim...

Страница 22: ...r TOY portion of the IRIG frame Reader devices designed to the IRIG B122 B002 A132 A002 standard should be compatible with the XLi s time code outputs Frequency 1 5 10 MHz Resolution 120 x 10 12 1 Second Interval 12 x 10 12 10 Second Interval 1 x 10 12 100 Second Interval Range 1000 x10 6 Impedance 1 kΩ 50 Ω Factory Configuration Disabled Accuracy Refer to System Time Frequency Accuracy on page 6 ...

Страница 23: ...KHz carrier 1mSec resolution 0 BCD TOY CF SBS IEEE1344 IS DEFINED IN IEEE1344 1995 R2001 ANNEX F AS IRIG B format sync SS MM HH DDD control bits binary seconds where sync is the on time marker SS seconds 00 59 60 during leap seconds MM minutes 00 59 HH hour of day 00 23 DDD day of year 001 366 control 27 binary control characters see Table 1 reference IEEE1344 binary seconds binary seconds of day ...

Страница 24: ...e 1 Binary Time quality Xli Estimated Time Error ETE 1111 Initial condition clock unlocked or 10Sec ETE 1011 Clock unlocked and 1Sec ETE 10Sec 1010 Clock unlocked and 100mSec ETE 1Sec 1001 Clock unlocked and 10mSec ETE 100mSec 1000 Clock unlocked and 1mSec ETE 10mSec 0111 Clock unlocked and 100uSec ETE 1mSec 0110 Clock unlocked and 10uSec ETE 100uSec 0101 Clock unlocked and 1uSec ETE 10uSec 0100 C...

Страница 25: ...sing In phase with the XLi 1PPS 200ns Time Code Input IRIG B120 w IEEE1344 The selectable Code input has an additional selection for IRIG B 127 Configuration is via the Keypad Display RS232 422 and the Network port via telnet and HTML IRIG B 120 IS DEFINED IN IRIG STANDARD 200 04 AS Format B 100 pps 1 Sine wave amplitude modulated 2 1KHz carrier 1mSec resolution 0 BCD TOY CF SBS IEEE1344 IS DEFINE...

Страница 26: ...ional selection for IRIG B 000 w IEEE1344 Configuration is via the Keypad Display RS232 422 and the Network port via telnet and HTML IRIG B 007 IS DEFINED IN IRIG STANDARD 200 04 AS Format B 100 pps 0 Pulse width code 0 No carrier index count interval 0 BCD TOY CF SBS IEEE1344 IS DEFINED IN IEEE1344 1995 R2001 ANNEX F AS See section TIME CODE OUTPUT IRIG B120 W IEEE1344 for definitions XLI SYNC Th...

Страница 27: ...ng leap second data GPS and IRIG B w IEEE1344 take priority to the manual leap second entry Manual leap second data is applied to the XLi UTC TOD when locked to any reference source that does not contain leap second data The manual leap second data will be applied to the clock at the end of the current quarter that it was entered at UTC midnight on the last day of March June September or December ...

Страница 28: ... S Certifications 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 29: ...an Issue 8 6 17 2008 Rev H 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 intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 30: ... the cable Blocked signals and multipath cancellation significantly increase GPS acquisition time Multipath cancellation is caused by reflected signals that reach the antenna out of phase with the direct signal due to vertical reflective objects positioned to the side and above the antenna To solve these problems mast mount the antenna at least 1 meter away from and above the reflecting surface Mo...

Страница 31: ...the top half of white antenna assembly In the image above this part has the Symmetricom logo on it and the dotted line with the TNC signal connector below it The top half of the antenna housing is sealed and therefore weather proof The lower part of the white antenna housing shown above below the dotted line is used for support and for protecting the antenna cable connection The two halves of the ...

Страница 32: ... antenna assembly do the following 1 Separate the antenna by loosening the four captive antenna housing screws 2 Pass the TNC end of the receiver signal cable through the support pipe and lower half of the antenna assembly and connect it to the antenna signal connector a If a preamplifier is to be used connect the three inch preamplifier adapter cable to the antenna signal connector b Connect the ...

Страница 33: ...ischarges and field induced electrical surges In line lightning arrestors are mounted between the antenna and the point where the cable enters the building and require no additional power or wiring except the ground lead Antenna Splitter An antenna splitter may be used to drive multiple GPS receivers using a single antenna With built in amplification to overcome splitter losses the Active Splitter...

Страница 34: ...disconnect device such as a switch with the appropriate voltage current rating is provided when operating installing the XLi Connect the Power Supply it to a power source The green STATUS light indicates that the XLi is receiving power Notes for optional DC power supplies Use a 15 amp circuit breaker in series with the DC power source avoid connecting directly to a DC power source without the brea...

Страница 35: ... to displays time The keypad button sequences in parentheses provide show how to select these functions and enter the desired settings F1 Time Zone Offset Enter the difference in hours between UTC and the standard time zone of the time display See F1 Time Zone Offset on page 48 and F World Map of Time Zones on page 291 for more information For example US Pacific Standard Time is UTC 08 00 while Ja...

Страница 36: ...e on page 50 F66 Daylight Saving Time DST If needed set when Local time enters and leaves DST See F66 Daylight Saving Time DST Mode on page 84 F69 Time Mode Select the type of time shown on the front panel display and output by functions F8 F9 and F90 See F69 Time Mode on page 89 The four choices are as follows UTC Coordinated Universal Time differs from GPS Time by the addition of leap second cor...

Страница 37: ... rate 9600 Data bits 8 Parity NONE Stop bits 1 Note Parity set to NONE is only valid when Data Bits is set to 8 Connect a null modem cable from the PC s serial port to the XLi s SERIAL I O port If needed configure your PC s terminal emulation program to match the serial port settings above 9600 8 N 1 Set Flow Control to None One terminal emulation program HyperTerminal is usually found in Microsof...

Страница 38: ...the Function Reference section of the XLi User s Guide and Reference Manual The Command Line sub sections provide instructions and examples Related topics Configuring Network Settings on page 24 F100 L LOCK UNLOCK Remote Lockout on page 124 Using the Web Interface The network port also provides remote access to the XLi s web interface To connect to the web interface 1 Use function F100 Network Por...

Страница 39: ...unit up on a clean safe stable work surface that provides good visibility and maneuverabil ity to work with screwdriver 2 On the back panel select an option bay and unscrew the retaining screws and remove the small aluminum panel from the option bay 3 Line up the edges of the card with the guide grooves in the option bay and slide it in 4 When the card is in almost all the way push it firmly the r...

Страница 40: ...eq Meas on page 146 1 PPS 1 PPS non configurable Non configurable Code Output Format IRIG B 120 AM F90 Code Output Configuration on page 116 Reference Source PRI F74 Clock Source Control on page 107 Indicator Parameter Name Factory Setting PLL Locked Alarm Enabled Low Phase Noise LPN PLL Locked Alarm Enabled GPS Primary Receiver Alarm Disabled GPS Secondary Receiver Alarm Disabled IRIG Fault Alarm...

Страница 41: ...l GPS receivers are set up as primary and secondary reference sources No changes required Description Setting Function Cross Reference J1 Time Reference STANDBY F110 J1 Input Time Code TIET on page 137 GPS Antenna Cable Delay 60 nS delay F51 GPS Antenna Cable Delay on page 77 GPS Time Reference Bay 1 Primary F119 GPS Receiver Configuration on page 154 GPS Primary Alarm Enabled F73 Alarm Control St...

Страница 42: ... tighten the retaining screws so the expansion module is secured in place To remove the expansion module remove the screws pull the card out and secure the small aluminum panel in its place with the screws Verifying Antenna Installation After completing the above steps use the keypad display to verify the following In F119 GPS Receiver Configuration page 154 after approximately 20 minutes of opera...

Страница 43: ...n the screws using a 2 size Phillips screwdriver Position the XLi in any EIA Standard 19 inch 48 26 cm rack system and line up holes in the brackets with the holes in the rack Secure the brackets to the rack 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 cl...

Страница 44: ...s seen from the rear of the XLi 1 U and 2 U chassis Alarm Status LED The Alarm Status LED located on the front panel displays the alarm state of the XLi unit The LED has four states Dark Power is off Green No F73 related alarms The current reference source input is locked Amber No F73 Alarms Time out Delay is counting down but hasn t elapsed The current reference source input is unlocked e g broke...

Страница 45: ...stays unblinking when it is red If disabled the LED doesn t blink Keypad Display Interface Time Display Press the TIME button on the keypad to display the time only Use the TIME button to exit the STATUS MENU or function displays The default time format is DDD HH MM SS For example Where Time Display related functions Select between the 12 or 24 hour format displayed F2 12 24 Hour Format on page 49...

Страница 46: ...put 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 154 GPS PRI Shows the reference source type The function that controls each one is noted below GPS PRI GPS SEC F119 GPS Receiver Configuration on page 154 IRIG A IRIG B NASA 36 F110 J1 Input Time Code TIET on page 137 HQ PPS PRI HQ PPS SEC F123 Have Q...

Страница 47: ...perate 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 to save changes CLR Clears the cur...

Страница 48: ...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 asks SAVE CHANGES YES UP ARROW Changes YES ...

Страница 49: ...ssword 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 change the Guest password at installation If you...

Страница 50: ...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 accept additional commands after the seri...

Страница 51: ...ITY 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 presents most of the XLi s functions in a convenient and easy to use way Figure 7 The web interface showing the XLi Admin Homepage User Privileges Administrative users can view status information and change the XLi s conf...

Страница 52: ... automatically 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 default password Some older units when upgraded may have casey as the default password The ten non administrative user names user1 through user10 have ttm as the default password Only administrative users can change the ...

Страница 53: ... 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 page If...

Страница 54: ... 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 Parallel BCD mSec Output with Time Quality 87 8090 Parallel BCD uSec with Time Quality 87 8090 1 Parallel BCD mSec Output with Unlock Status 87 8090 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 55: ...an Issue 8 6 17 2008 Rev H 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 intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 56: ...Second page 56 N S Output the time once per second to the command line F9 Time On Request page 58 N S Output the time when triggered to the command line F11 Time Output Format page 59 N S Change the format of the time output by F8 and F9 F13 Time Error page 61 K N S W View the current estimated worst case time error F18 Software Version Request page 62 K N S W View the XLi s software version infor...

Страница 57: ...play status of PTTI card F78 Parallel BCD Output K N S W Configure and display status of Parallel BCD Output board F90 Code Output Configuration page 116 K N S W Configure settings for CODE time code output F100 Network Port Configuration XLi Firmware page 117 K N S W Configure the standard network port settings F100 EA Ethernet Address K N S W Display the Ethernet MAC address F100 IP IP Address K...

Страница 58: ...W Configure the J2 output connector F113 J3 Input Aux Ref Freq Meas K N S W Configure the J3 input connector F116 Display Brightness Level K Set the brightness of the display on the XLi s front panel F117 Factory Configuration K N S W View some of the factory settings such as the serial number or NTP state F118 Option Board Configuration K N S W View the contents of each option bay Only recognizes...

Страница 59: ...lticode Output card can be configured to display distribute Local or Standard time we recommended configuring F1 as described in the 3 Installation Configuration on page 19 The factory setting for F1 is UTC 8 00 hours Pacific Standard Time Related topics F2 12 24 Hour Format on page 49 F11 Time Output Format on page 59 F27 FTM III Configuration on page 63 Command Line To display the time zone offs...

Страница 60: ...e a conventional wall clock The 24 hour format counts hours from 0 to 23 once per day For example in the 24 hour format 18 00 is equivalent to 6 00 PM in the 12 hour format i e 18 00 12 00 6 00 PM Note Local time is commonly displayed in both 12 and 24 formats The specifications for Standard UTC and GPS call for using the 24 hour format Applying the 12 hour format to any time type leads to ambiguo...

Страница 61: ...ld be given using 24 hour notation e g 6 pm 18 00 TIME MODE selects which type of time Local Standard GPS UTC is being entered by the user The XLi translates the user entry into its equivalents in other types of time For example entering LOCAL 07 14 2002 15 47 10 in F3 shows up on the front keypad display as UTC 198 10 47 10 TIME MODE in F3 defines only the entry of time in F3 it does not control ...

Страница 62: ... 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 reference source s time The XLi will make this switch to and from F3 s time without generating an alarm In NTP for example this means that incorrect time information could be distributed in NTP packets that ...

Страница 63: ...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 SEP P S...

Страница 64: ...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 65: ...enerated by the following functions F27 FTM III Configuration on page 63 F90 Code Output Configuration on page 116 For more information on time quality indicators see IRIG Standard Format A on page 290 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 1000 nS Second time quality flag 1000...

Страница 66: ...ck 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 Lock status send F6 CR XLi responds F6 S STATE CR LF F A...

Страница 67: ...r the XLi s command line interface available from the serial or network ports The format and type of time can be modified using F2 F11 and F69 The command line standard out outputs the CR character at the end of the time of year string at the 1 PPS mark 1 millisecond If F8 is used following startup while the XLi is acquiring a reference source F8 s displays time of year information from the XLi s ...

Страница 68: ...ence source becomes unavailable F8 continues generating time of year information based on the synchronized time and the character for the first time quality flag typically appears as the time error starts increasing 199 11 19 31 199 11 19 32 199 11 19 33 199 11 19 34 The format of time output can be changed using F11 Time Output Format described in the XLi manual The default output string format i...

Страница 69: ... XLi for the user s request At the desired moment send the request to the XLi by entering an upper case T The XLi saves the current time of day accurate to within 1μS to a buffer and then outputs it to the command line interface The XLi continues to provide the time of day each time it receives a T until F9 is cancelled To cancel F9 enter Ctrl C on your keyboard The command line disregards all inp...

Страница 70: ...ime 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 SOH ASCII Start of Heading character CR ASCII Carriage Return character LF ASCII Line Feed character YYYY year DDD day of year HH hours MM minutes SS seconds mmm milliseconds colon separator Q time quality character see the following table SPACE Time er...

Страница 71: ...enter F11 F11 with DDD suppressed responds F11 XDD HH MM SS mmmQ With DDD suppressed the output of F8 would look like this example 16 23 32 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 ...

Страница 72: ... F11 D H M S When you check the results by entering F11 F11 responds F11 DDDDHHHMMMSSSmmmQ With the new formatting F8 displays 128D16H41M27 And F9 displays 365D16H45M22S680 F13 Time Error Use function F13 to request the estimated worst case time error due to oscillator drift during periods of unlock from a reference source See System Time Frequency Accuracy on page 6 for more information on time e...

Страница 73: ...e firmware File System Project Rev FPGA Command Line Use Command Line Function F18 to obtain the system s firmware version information For example enter F18 CR The XLi responds F18 BOOTLOADER 192 8000 SOFTWARE 192 8001 FILE SYSTEM 192 8002v1 80 PROJ REV 2 1 FPGA 184 8000V50 Note The values will be different from this example representing the current values F13 ASCII string for function F13 S ASCII...

Страница 74: ...in the following paragraphs Press ENTER 2 7 to access the FTM The front panel 2 line VFD displays the following title FTM Availability OPTION BAY N Use UP ARROW and DOWN ARROW to select an FTM and press ENTER Time and Frequency Deviation Display This display is only informational ENTER to continue to the next display or CLR to begin again Time Deviation Offset Entry This display shows the current ...

Страница 75: ...ly entered value THIS FUNCTION PERFORMS A RESET OF ACCUMULATED TIME DEVIATION If this function has been entered in error simply press the TIME or STATUS buttons to exit the function without changing the preset value Front Panel Display Setup Pressing ENTER at this display allows the user to select which data is to be displayed on the XLi s front panel display The three selections are Time and Freq...

Страница 76: ... displayed value The next data value address is then displayed until all five addresses have been entered The address range is from 0 to 255 Placing a in front of the address enables the data for transmission while placing a in front of the address inhibits the data from being transmitted The settings should be set as follows PORT DATA ADDR CONFIG TIME DEVIATION ADDR 022 PORT DATA ADDR CONFIG FREQ...

Страница 77: ...re To exit F27 once per second mode transmit a C Ctrl C character to the XLi F27 B N cr lf User formatted once per second output F27 B N FS cr lf Request user format string F27 B N FS X X X X X cr lf Set user format string F27 B N TD cr lf FTM data on demand output F27 B N PS cr lf Request Time Deviation Preset value F27 B N PS 99 999 cr lf Set Time Deviation Preset value DDD HH MM SS Local Time o...

Страница 78: ...Note the absence of X s in those positions To deselect all but Time Deviation and Frequency Deviation the following command line and FTM card response is as follows F27 B N FS X X cr lf F27 B N OK cr lf The commas are necessary placeholders and the X s are in the Time Deviation and Frequency Deviation positions Subsequently when F27 B N cr lf is sent requesting the once per second Mode only Time D...

Страница 79: ...d Output allows the user to request a single measurement by sending an upper case T cr lf while in the F27 B N TD mode Subsequent receipts of the letter T without the carriage return linefeed combination are responded to with the current data values Local Time of receipt of the T to the millisecond is recorded System Time is calculated from the recorded Local Time and the complete FTM data string ...

Страница 80: ... 122 IRIG G 141 IRIG G 142 IRIG H 111 IRIG H 112 IRIG H 121 IRIG H 122 2137 XR3 NASA 36 If IRIG A 130 or IRIG A 133 is selected as the output type for a specific port all other ports set for IRIG A will be bumped to the same type 130 vs 133 Ports set to other time code types e g IRIG B are not affected The same is true for IRIG G If IRIG G 141 or IRIG G 142 is selected as the output type all the o...

Страница 81: ...The XLi responds that one board board 2 in this case is present F42 B 2 CR LF Or that multiple boards boards 2 and 4 in this case are present F42 B 2 4 CR LF Or that no boards are present NO MULTICODE BOARDS Requesting the time code settings of a specific output port Use the following format to request the time code settings of a specific output on a specific card F42 ASCII string representing the...

Страница 82: ...all outputs set to that time code e g IRIG G are also set to the same time code type e g 141 F42 B1 1 IRIG G 141 ALL G PORTS Setting the time code of a specific output port Use the following format to set the time code for a specific output port F42 S B N S O S C S CODE CR F42 ASCII string representing the Function Number S one or more separator characters space tab or comma B ASCII character indi...

Страница 83: ...to request the Time Reference of a specific board F42 S B N T CR where The XLi responds with the Time Reference for the selected board F42 string representing the Function Number S separator B ASCII letter indicating board number follows N board number 1 to 10 O ASCII letter indicating output port C channel number 1 to 4 CODE IRIG A 130 IRIG A 133 IRIG B 120 IRIG B 123 IRIG E 111 IRIG E 112 IRIG E...

Страница 84: ...Li responds OK CR LF F44 N 8 Frequency Synthesizer Use function F44 to select the N 8 rate for a specific output port on a specific N 8 Frequency Synthesizer 86 708 1 page 174 The N 8 output frequencies range from 8 kPPS to 8192 kPPS Command Line Use the following format to enter the F44 command In response the XLi displays the card addresses of the installed N8 cards F44 CR XLi responds with the ...

Страница 85: ...ic output ports card 3 port 4 enter F44 B3 4 CR XLi responds F44 B3 4 0008 CR LF To set the frequency of one of the output ports use the following format F44 S B N SEP C SEP FREQ CR where F44 ASCII string indicating function 44 S space or separator N the card numbers of one or more N 8 cards separated by spaces CR Carriage return LF Line feed S ASCII space character one or more B ASCII B character...

Страница 86: ...ion Specifically Use function F50 to Display the option bay location of the GPS receiver s If multiple GPS receivers are available use the UP DOWN ARROW keys to select a receiver Select the positional coordinate system Latitude Longitude Altitude LLA or XYZ Earth Centered Earth Fixed XYZ coordinates If LLA is selected Altitude Mode shows the elevation in given meters Command Line Use the following...

Страница 87: ...S SIGN S MY m S SIGN MZ m CR LF 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 10 SEP Separator LLA LLA mode CR carriage return character SIGN N or S for latitude E or W for longitude for negative altitude and S or for positive altitude DEG two digit degrees for latitude or three digit degrees for longitude d ASC...

Страница 88: ...t cable delay F51 Guidelines For RG 59 multiply the cable length by 1 24 nS ft to get the value for F51 For RG 58 multiply the cable length by 1 4 nS ft to get the value for F51 Avoid using 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 F ASCII character F...

Страница 89: ...n cable delay for the time code and 1 PPS 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 F ASCII character F f or F for i...

Страница 90: ...ter F52 CR The XLi responds using the following format F52 SEP SIGN DELAY ns CR LF where For example to display the current distribution cable delay enter F52 CR XLi responds F52 000000ns CR LF To set the distribution cable delay to 60 nS enter F52 000060nS CR XLi responds OK CR LF F ASCII character F f or F for input string 52 the function number S one or more space characters SIGN either or D 1 ...

Страница 91: ... receiver averages the position data over time to determine the antenna position and calculate the time precisely and accurately TRAIM is also supported in Time Mode only Keypad While viewing the Status screen on the XLi front panel display press the following keypad buttons ENTER 53 ENTER If an GPS C A Receiver 87 8028 2 is available F53 displays GPS C A AVAILABILITY OPTION BAY Where is the optio...

Страница 92: ...cked means a satellite s signal is being received and interpreted by the receiver or that the XLi has GPS data that suggests this satellite should be visible to the antenna GPS satellite are grouped into the following categories Tracked the XLi is receiving the GPS signal but isn t using it to calculate time and position Current the XLi is using the satellite s GPS signal to calculate time and pos...

Страница 93: ... UP DOWN ARROWs to scroll through the list of satellites Command Line Use Serial Function F60 to request a list of all current and tracked satellites To display the list enter a string using the following format F60 S B N SEP TYPE CR XLi responds with approximately 32 lines that use the following format F60 S B N S prn NN S STATE tracked current LEVEL CR LF where For example to display the complet...

Страница 94: ...nown F60 B1 prn13 good current 159dBW F60 B1 prn14 unknown F60 B1 prn15 unknown F60 B1 prn16 unknown F60 B1 prn17 unknown F60 B1 prn18 unknown F60 B1 prn19 unknown F60 B1 prn20 unknown 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 F6...

Страница 95: ...lso works for locations in the southern hemisphere where the DST period span 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 entry and exit times use the following for...

Страница 96: ...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 enter DST 1 2 3 4 or 0 for last INDAY da...

Страница 97: ...r more LS current leap seconds value in seconds for GPS Epoch TAI Epoch SELECT NONE ADD or SUB DATE Date of next leap second insertion or blank if SELECT is NONE CR carriage return character LF line feed character If the Manual Leap Second function is set with leap second event values the port will respond with the string described below Sample request F67 CR Response F67 14 33 ADD 12 31 2007 CR L...

Страница 98: ...p Second To set the next leap second insertion time for adding a leap second enter a continuous string of the form F67 SEP ADD SEP MONTH SEP YEAR where ADD ASCII string indicating a leap second will be added MONTH Month number that the leap second will be added on the last day of the month MAR JUN SEP DEC or NONE YEAR Year that the leap second will be subtracted 2000 to 2030 or NONE Subtracting a ...

Страница 99: ... continuous string of the form F67 SEP NONE CR where NONE ASCII string indicating a manual leap second insertion function will be disabled The Serial Network port will respond with the message ERROR 01 VALUE OUT OF RANGE if the input string was in the correct format but contained a value probably numeric that was out of the range of acceptable values The Serial Network port will respond with the m...

Страница 100: ...TC corrections Standard Time is UTC plus a time zone adjustment For example Pacific Standard Time is UTC minus 8 hours Local Time is UTC plus a time zone and a daylight saving time adjustment The factory setting is UTC Note A time error can be created when switching to GPS time when the reference is Time Code non IRIG 1344 IRIG 1344 resolves this problem Related functions F1 Time Zone Offset on pa...

Страница 101: ...OCAL CR Or to change the time mode to UTC enter F69 UTC CR XLi responds to these changes with OK CR LF F ASCII character F 69 Function number SEP One or more separator characters either space comma or tab characters For output strings this will be a single space character TT Time Type Either GPS UTC LOCAL or STANDARD CR Carriage return character LF Line feed character F ASCII character F 69 Functi...

Страница 102: ...ue is the signed 16 bit integer that controls the DAC output voltage It ranges from 0 to 65536 Command Line To display the F71 settings enter F71 CR XLi responds using the following format F71 S phase SIGN MULT E SIGN EXP S s S S offset SIGN MULT E SIGN EXP S S dr ift SIGN MULT E SIGN EXP DAY S S DAC SIGN INT CR LF where For example enter F71 CR XLi responds F71 PHASE 5 678E 09 s OFFSET 1 986E 07 ...

Страница 103: ...D or UNLOCKED F72 Clock Status uses the F73 Time Threshold value F73 Clock Status uses 150 nS when the reference source is GPS and 15 uS when the refer F ASCII character F 72 function number SP ASCII space character one or more CLK PLL Clock PLL Phase Loop Lock status LOCKED or UNLOCKED CLK STATUS Clock Status LOCKED or UNLOCKED to the reference source shown When the value of the oscillator s pred...

Страница 104: ...Threshold for each type of reference source are associative to their respective reference sources For example the GPS reference source will have 150 nS Time Threshold associated with it and the IRIG Time Code reference source would have 15 uS Time Threshold associated with it When a reference source is changed it will have its associated Time Threshold associated with it This prevents errors being...

Страница 105: ... would be Alarm Enabled Upate the alarm settings when adding or removing option cards from the XLi 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 Disabled GPS Secondary Receiver OK Fault A...

Страница 106: ...nd Timeout Delay on page 101 Power on Alarm Suppress prevents alarms from being triggered for a user configured interval after the XLi boots and starts See Power On Alarm Suppress on page 101 The following sections provide detailed information about each of the alarm indicators and settings avail able in function F73 Table C gives the following information The name of the indicator or setting The ...

Страница 107: ...refers to the reference source e g GPS IRIG when it doesn t have a valid signal The XLi can provide stable and accurate time while the Clock Status indicator is Unlocked How long depends on a number of factors including the stability of the internal oscillator and the acceptable amount of time error for the application The Time Error indicator and the Time Threshold setting can be used to trigger ...

Страница 108: ...ing normal operation while the LPN oscil lator on an LPN Card is locked to the XLi s internal oscillator The LPN PLL indicator reports Unlocked for several minutes after the unit is started while the LPN oscillator on the card warms up This is not a significant error and if needed can be prevented by extending the duration of the Power On Alarm Suppress If the LPN PLL indicator reports Unlocked at...

Страница 109: ...eck the number of visible satellites and F119 to check if the GPS antenna cable is showing an open or short condition Check that the GPS antenna installa tion conforms to the guidelines given in the GPS Antenna installation section Check the antenna antenna cable and connections for problems Note Note When using the GPS receiver with an antenna splitter an antenna fault may occur due to a DC block...

Страница 110: ...econdary Power indicator reports a fault all outputs from the XLi are unreliable and should not be used unless a Primary Power supply is available and operating normally Note If the Secondary Power Supply is not present or plugged in no fault will be reported When seen from the rear of the XLi the Secondary Power indicator corresponds to the power supply module in the following locations For the 1...

Страница 111: ...e Threshold sets a limit measured in nanoseconds for the XLi clock s accumulated time error While the accumulated time error remains below the Time Threshold limit the Time Error indicator reports OK If the accumulated time error exceeds the Time Threshold limit the Time Error indicator reports fault Typically the XLi doesn t experience Time Error faults while locked to a reference source and stee...

Страница 112: ...nel turns amber while the Timeout Delay is counting down If the Time Error fault returns to an OK state during the Timeout Delay countdown the countdown clears A new Time Error fault starts the Timeout Delay countdown from the beginning In other words Timeout Delay countdown does not keep track of the cumulative duration of multiple Time Error faults Power On Alarm Suppress The Power On Alarm Supp...

Страница 113: ...ul for identifying and troubleshooting transient alarms The operator typically decides to clear the alarm latch after attempting to fix the cause of some transient alarm so that new transient faults can be identified after they occur Note An indicator must be enabled for the fault unlock state to raise the latch state If disabled a fault or unlocked state will not raise the corresponding latch The...

Страница 114: ...Clock Secondary R Clock to Aux 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 ...

Страница 115: ...M 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 12346789ABCDEFGHIJ CR LF LF where A Clock Status has not locked since power on C Time error OK U Time error Fault D Timeout OK T Timeout Fault E NTP OK N NTP Fault F Future Use G Future Use H Future Use I F...

Страница 116: ...ting for each indicator enter to E Enable D Disable or Unchanged using this format F73 S MASK SEP 123456789ABCDEFGHIJ CR For example to enter new mask settings enter F73 MASK DDE EEEEEEEEEEDDDDD XLi replies OK To verify the changes enter One GPS receiver Two GPS receivers 1 PLL Synthesizer Alarm Enabled E E 2 LPN PLL Alarm Enabled E E 3 Primary Alarm Enabled E E 4 Secondary Alarm Enabled D E 5 IRI...

Страница 117: ...Threshold enter a 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...

Страница 118: ...ble PRI SEC PRI or Primary Secondary Primary the clock synchronizes with the primary source If the primary source becomes unavailable it switches 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 t...

Страница 119: ... J3 F113 J3 Input Aux Ref Freq Meas page 146 as its reference If references are available the XLi freewheels on its internal oscillator Command Line To display the current settings enter F74 CR XLi responds using the following format F74 S CLK SOURCE CR LF where For example enter F74 CR XLi responds example F74 PRI CR LF To select PRI SEC SEC as the new clock source fail over pattern enter F74 PRI...

Страница 120: ...II character F 77 function number SP ASCII space character one or more B ASCII character to denote Option Bay number follows N Option Bay Number 1 through 10 S ASCII character for Status Request LT line terminator for output strings a carriage return and line feed or for input strings a carriage return only The XLi Serial Network port will respond with a two line replay for status request similar ...

Страница 121: ... B2 TM LOCAL CR LF To change the PTTI Output option card BCD Time Mode selection send the following send the following string to the Serial Network port F77 SP B N SP TM SP OUT LT where F ASCII character F 77 function number SP ASCII space character B ASCII character to denote Option Bay number follows N Option Bay Number 1 through 10 TM ASCII character to denote Time Mode selection OUT UTC LOCAL ...

Страница 122: ...II character for BCD output format request LT line terminator for output strings a carriage return and line feed or for input strings a carriage return only Sample request F77 B2 BCD CR LF Response F77 B2 BCD ABBREV CR LF To change the PTTI BCD output selection send the following send the following string to the Serial Network port F77 SP B N SP BCD SP OUT LT where F ASCII character F 77 function ...

Страница 123: ...ain information about the part number and the current version of the FPGA installed on the Parallel BCD Output option board To obtain board status information send the following string to the Serial Network port F78 SP B N SEP S CR LF where F ASCII character F 78 function number SP ASCII space character one or more B ASCII character to denote Option Bay number follows N Option Bay Number 1 through...

Страница 124: ...ber follows N Option Bay Number 1 through 10 TM ASCII character for TM selection request LT line terminator for output strings a carriage return and line feed or for input strings a carriage return only Sample request F78 B2 TM CR LF Response F78 B2 TM LOCAL CR LF To change the Parallel BCD Output option card BCD Time Mode selection send the following send the following string to the Serial Networ...

Страница 125: ...K CR LF To obtain the Parallel BCD option board test mode information send the following string to the Serial Network port F78 SP B N SEP TEST CR LF where F ASCII character 78 function number SP ASCII space character one or more B ASCII character to denote Option Bay number follows N Option Bay Number 1 through 10 TEST ASCII character for test mode request LT line terminator for output strings a c...

Страница 126: ...ngs a carriage return only Sample entry F78 B2 TEST ENABLE CR Response OK CR LF The Serial Network port will respond with the message ERROR 01 VALUE OUT OF RANGE if the input string was in the correct format but contained a value probably numeric that was out of the range of acceptable values The Serial Network port will respond with the message ERROR 02 SYNTAX if it receives a string in an incorr...

Страница 127: ... to modify the code output of F90 for non standard applications F2 12 24 Hour Format on page 49 selects between a 12 or 24 hour time format F69 Time Mode on page 89 selects between the following timescales 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 resp...

Страница 128: ...essage ERROR 01 VALUE OUT OF RANGE if the input string was in the correct format but contained a value probably numeric that was out of the range of acceptable values The Serial Network port will respond with the message ERROR 02 SYNTAX if it receives a string in an incorrect format The Serial Network port will respond with the message ERROR 03 BAD MISSING FIELD if the input string lacks a require...

Страница 129: ...t and cannot be changed IP Address Sets a static Internet Protocol IP address for the unit Subnet Mask Sets a valid subnet mask used in IP addressing Subnetting allows for the more efficient allocation of network addresses and management of network traffic Default Gateway The address of the router that handles packets addressed to IP devices outside the local area network 10 100 BASE T View networ...

Страница 130: ... 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 network port setting Remote Lockout L for status LOCK UNLOCK Displays and configures Flash CRC ST Displays information RAM ST Displays inf...

Страница 131: ... 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 change the unit s IP Address Use the following format to display t...

Страница 132: ...ree 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 CR LF PLEASE WAIT CR LF F100 SM Subnet Mask Note F100 SM can ...

Страница 133: ...ddress 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 120 Use function F100 G to display or configure the Default Gateway To set the Default Gateway and restart the unit enter F100 S G S nnn nnn nnn nnn CR F ASCII ch...

Страница 134: ...4 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 CPU card 86 8000 running the current system...

Страница 135: ...F PLEASE WAIT CR LF F100 L LOCK UNLOCK Remote Lockout Use function F100 LOCK or UNLOCK to enable disable TELNET 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 the serial p...

Страница 136: ... 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 LOCK specify LOCK command CR input line t...

Страница 137: ...us 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 ST command CR input line terminator Artis...

Страница 138: ...FILE PATH FILE NAME CR Use UNIX style forward slashes in path and do not describe the drive for example C in 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 239 F ASCII character F 100 Unit function number S Space ST Specify ST command FLASH CRC Specify flash checksum...

Страница 139: ...ESSFULLY PROGRAMMED CRC32 0x9EFBE60A 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 239 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 th...

Страница 140: ...e See B Upgrading System Firmware on page 239 Use function F100 BF to burn file system when upgrading firmware to write a file system to the flash memory To write the file system 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 2096640 SEC 94 SEC 95 SEC 96 SEC 97 SE...

Страница 141: ...the XLi network port and the user is logged in as a guest this command will be deemed invalid and an error message ERROR ACCESS DENIED will be displayed Prior to burning the FPGA program to the target flash another error checking step is performed The new FPGA program size is checked against the designated memory sector in the target flash If the memory sector is not big enough to store the FPGA p...

Страница 142: ...rkstation FTP Server Leave subdir blank unless you have a specific reason for placing the files in a subdirectory of the anonymous user s home directory To get the NTP config files type f100 config ntp get host IP Address dir subdir CR To get the SNMP config file type f100 config snmp get host IP Address dir subdir CR To get both the SNMP and NTP config files type f100 config ntp snmp get host IP ...

Страница 143: ... 44 Dest file etc ntp keys bytes written 44 Configuration files transferred successfully Resetting After XLi receives the configuration files it reboots and goes through the normal startup process F100 J Factory Mode Jumper Use function F100 J command to test the state of the factory mode jumper A value of 1 means the jumper is installed and a value of 0 means the jumper is not The factory mode ju...

Страница 144: ...F PLEASE WAIT CR LF In a network port session rebooting the XLi terminates the network port session open a new network port session when the XLi has finished rebooting In a serial port session the XLi displays text similar to the following example when the XLi has finished rebooting and is ready to receive additional commands SYSTEM POWER ON SELF TEST RESULTS SERIAL LOOPBACK TEST PASSED RAM TEST P...

Страница 145: ... Interface on page 38 Valid password size is from no characters to 64 characters If more than 64 characters are entered F100 P truncates the string to 64 characters When selecting a password use appropriate levels password security for the XLi s operating environment Examples include Mixing random alpha and numeric characters Avoiding words or word combinations that can be found in a dictionary To...

Страница 146: ...00 PI S IP Address CR For example F100 PI 206 254 000 021 CR The unit responds example PING 206 254 000 021 REMOTE HOST FOUND CR LF or PING 206 254 000 021 REMOTE HOST NOT FOUND CR LF To test if the XLi s network port has a good connection enter the following using in a serial port session f100 PI CR The XLi responds PING REMOTE HOST FOUND CR LF or it responds PING REMOTE HOST NOT FOUND CR LF F100...

Страница 147: ...der Mode to change them In Bootloader Mode log in using the default user names operator guest and passwords See Using the Command Line Interface on page 26 Then use F100 PN and F100P to set the new user names and passwords Once this has been completed reboot the unit and log in using the new username or password See F100 P Change User Password on page 134 Bootloader Mode To enter Bootloader Mode w...

Страница 148: ...le enter the following string F108 CR The XLi responds example F108 OSCILLATOR CONFIG HIGH_STAB_OCXO CR LF F110 J1 Input Time Code TIET Note Time Interval Event Time TIET is an optional feature If purchased at the same time as the XLi it comes enabled on the system To purchase this option after you have purchased the XLi con tact Symmetricom Sales See H Sales and Customer Assistance on page 295 F1...

Страница 149: ... Bypass Off 1 10 Frames Factory setting 3 frames Is used when the IRIG input is intermittent or has a low signal to noise ratio SNR This allows the time code input to flywheel for the specified number of invalid time code frames before F110 generates an alarm Off means the F73 IRIG input alarm will alarm on the first invalid time code frame 1 10 means the F73 IRIG input alarm will alarm after it d...

Страница 150: ...quest formats are defined as F ASCII character F 110 function number TIET ASCII character string TIET for configuring J1 for TIET measurement S ASCII space character one or more Code Input Code IRIG A IRIG B NASA 36 Note F110 Input Code Notes 1 IRIG doesn t contain year information Enter the current date using F3 before using IRIG as a primary reference source Failure to do so can cause the incorr...

Страница 151: ...OSITIVE 1234 US SYNC GEN 1 FRAME CR And then configure TIET example F110 TIET 100K POSITIVE CR The XLi responds OK CR LF Note Note If the TIET is configured the timestamp s of the rising edge of the J1input signal will be dis played each second Up to 100 time stamps can be spooled To obtain TIET measurement from J1 enter F110 TIET TIME CR The XLi responds OK CR LF xxxxxxxxx CR LF Time Interval dis...

Страница 152: ...G B000 1344 Source Clock source PRIMARY SECONDARY STANDBY Impedance 100K 50 50 ohm impedance is selectable with IRIG B000 1344 type only Sign Code Sign POSITIVE NEGATIVE Delay Propagation Delay 0 99999uS Mode IRIG Mode SYNC GEN Bypass Error bypass OFF 1 FRAME 2 FRAMES 3 FRAMES 4 FRAMES 5 FRAMES 6 FRAMES 7 FRAMES 8 FRAMES 9 FRAMES 10 FRAMES LT line terminator for output strings a carriage return an...

Страница 153: ... available as a standard feature 1 PPS 10 PPS 100 PPS 1 kPPS 10 kPPS 1 MPPS 5 MPPS 10 MPPS The default factory setting is 10 MPPS For J2 specifications see J2 Output Rate Out or Programmable Pulse Output on page 10 Notes on F111 PPO PPO is an optional feature If purchased at the same time as the XLi it comes enabled on the system To purchase this option after you have purchased the XLi contact Sym...

Страница 154: ...ine Requesting 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 Or if the PPO option is active it responds F111 S PPO S START S STOP CR LF Where Depending what F111 is currently set up to do the sample request F111 CR F ASCII character F 111 Function number PPO ASCII character string PPO S ASCII ...

Страница 155: ... produce a fixed 100 kPPS rate output enter F111 RATE 100KPPS CR The XLi responds OK CR LF Single PPO pulse output For example to produce a a single pulse with duration of 1 second on January 1 enter F111 PPO 001 00 00 00 000000 001 00 00 01 000000 CR The XLi responds OK CR LF Or for example to produce a single pulse with duration of 1 microsecond on January 1 enter F111 PPO 001 00 00 00 000000 CR...

Страница 156: ...roseconds i e repetitive pulses with 100 kHz frequency with the start time or rising edge on time and the stop time or falling edge at 5 μS or 10 μS pulse period with 5 μS pulse width enter F111 PPO XXX XX XX XX XXXXX0 XXX XX XX XX XXXXX5 CR The XLi responds OK CR LF Or for example to produce a repetitive 50 microsecond pulse occurring every 100 microseconds i e repetitive pulses with 10 kHz frequ...

Страница 157: ...113 to configure the J3 Input on the XLi back panel section 3 Figure 5 for one of the following settings Auxiliary Reference Aux Ref input Frequency Measurement Freq Meas 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 an...

Страница 158: ...esium tend to measure the XLi oscillator instead Refer to System Time Frequency Accuracy on page 6 and to P7 Oscillators on page 223 for more information for the specifications of disciplined oscillators while locked to a GPS reference source Theory of Operation Freq Meas uses a heterodyne phase error multiplier to achieve high resolution at short sample periods Using its internal disciplined freq...

Страница 159: ...st formats are defined as For example enter 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 ASCII character string AUX REF to set J3 to take auxiliary reference input FREQ MEAS ASCII character string FREQ MEAS to set J3 to make frequency measurements S ASCII spa...

Страница 160: ...es 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 Or to enable Freq Meas of a 1 MHz input with a 50 Ω input impedance every 1 seconds enter F113 FREQ MEAS 1MHZ 50 1 CR To all three of the above examples the XLi responds OK CR LF If enabling Freq Meas display the Freq Meas measureme...

Страница 161: ...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 brightest Note F116 is available from the keypad display only It is not available using the command line inter face Interval is ASCII character string Interval is S ASCII space character or separator INT Frequency Measurement Interval seco...

Страница 162: ...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 function number S ASCII space character one or more NTP NTP option FREQ MEAS FREQ MEAS option TIET TIET option PPO PPO option CR carriage return ...

Страница 163: ... 87 8016 6 PTTI BCD Output 87 8045 Parallel BCD mSec Output with Time Quality 87 8090 Parallel BCD uSec with Time Quality 87 8090 1 Parallel BCD mSec Output with Unlock Status 87 8090 2 GPS Receiver 86 8013 The cards not recognized by F118 are as follows N 8 Frequency Synthesizer 86 708 1 Multicode Output 87 6002 XL1 Low Phase Noise 5 MHz Output 87 8009 5 Low Phase Noise 10 MHz Output 87 8009 10 E...

Страница 164: ...118 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 10 OC Option Card Name GPS RECEIVER or N 1 FREQ SYNTHESIZER or FTM III MONITOR or HA...

Страница 165: ...s F119 provides the following GPS receiver information and status Availability indicates the option bay location Part Number Software Version FPGA Number GPS Status Locked or Unlocked GPS Antenna Ok Open or Short 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 i...

Страница 166: ...der twenty 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 wou...

Страница 167: ...eceiver F119 may report several acquisition states before settling on the one that was selected using F53 With the GPS C A Receiver 87 8028 2 F119 reports the following GPS acquisition states after a reboot when F53 is in Time Mode Start Site Survey The receiver is checking for changes in its saved static position occurs after boot Survey Position The receiver is establishing an initial position f...

Страница 168: ...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 N Option Bay Number 1 through 10 C A...

Страница 169: ... following displays Use the up down arrow buttons to select options N 1 FREQ SYN AVAILABILITY OPTION BAY Select from 1 10 or NOT AVAILABLE N 1 PART NUMBER N 1 FPGA NUMBER N 1 PLL LOCKED UNLOCKED OUTPUT PORT 1 Enter a value from 1 Hz to 50 000 000 Hz OUTPUT PORT 2 Enter a value from 1 Hz to 50 000 000 Hz OUTPUT PORT 3 Enter a value from 1 Hz to 50 000 000 Hz OUTPUT PORT 4 Enter a value from 1 Hz to...

Страница 170: ... Sample request F120 B2 S CR LF Response F120 B2 CR LF PART NUMBER 87 8022 CR LF FPGA 184 8016V0001 CR LF N 1 PLL LOCKED CR LF or UNLOCKED 1 1234 HZ CR LF 2 44444444 HZ CR LF 3 59 HZ CR LF 4 777 HZ CR LF The frequency of one of the output channels may be set as follows F120 SP B N SEP C SEP FREQ CR F ASCII character F 120 function number SP ASCII space character one or more B ASCII letter to denot...

Страница 171: ... card with one serial string Sample entry F120 B1 1 100000 2 2000 3 2048 4 16 CR sets board 1 channel 1 to 100000 MPPS channel 2 to 2000 MPPS channel 3 to 2048 MPPS channel 4 to 16 MPPS Response OK CR LF F120 string representing the Function Number SP ASCII space character one or more B ASCII letter indicating board number follows N board number 1 to 10 SEP separator C channel number 1 to 4 FREQ 0...

Страница 172: ...i HAVE QUICK 1PPS The card gets major time from Have Quick time code input and gets minor time from the 1PPS input F123 s HQ TIME REFERENCE setting identifies the Have Quick option card as a PRIMARY or SECONDARY reference source for F74 CLOCK SOURCE CONTROL or disables the card from being a reference source when STANDBY is selected Note Do not confuse the 1 PPS input connector on this card with ot...

Страница 173: ...and HQ TIME REFERENCE To display the INPUT MODE and HQ TIME REFERENCE configuration of the card send a command using the following format F123 SP B N SEP C CR where For example enter F123 B3 C The XLi responds for example F123 B3 PRIMARY 1PPS F ASCII character F 123 function number SP ASCII space character one or more B ASCII character to denote Option Bay number follows N Option Bay Number 1 thro...

Страница 174: ...ges HQ TIME REFERENCE to SECONDARY and responds OK F ASCII character F 123 function number SP ASCII space character B ASCII character B to denote Option Bay number follows N Option Bay Number 1 through 10 C ASCII character to denote Configuration of Time Reference CONFIG Option Board Configuration PRI SEC or STBY REF Option Board Reference 1PPS HAVE QUICK or HAVE QUICK 1PPS LT line terminator for ...

Страница 175: ...de 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 F ASCII character F f or F for input string 126 the function number S ASCII space character one or more KC Key Code 0 to 999999...

Страница 176: ...ber SP ASCII space character one or more B ASCII character to denote Option Bay number follows N Option Bay Number 1 through 10 S ASCII character for Status Request LT line terminator for output strings a carriage return and line feed or for input strings a carriage return only The XLi Serial Network port will respond with a four line replay for status request similar to the following example Samp...

Страница 177: ...LE CR LF To change the Have Quick Time Figure of Merit output enable disable selection send the following send the following string to the Serial Network port F128 SP B N SP TFOM SP OUT LT where F ASCII character F 128 function number SP ASCII space character B ASCII character to denote Option Bay number follows N Option Bay Number 1 through 10 TFOM ASCII character to denote Time Figure of Merit s...

Страница 178: ... 5 10 MHz Sine MPPS Square Output 86 8008 T1 Telecom Interface Output 87 6000T1 8 E1 Telecom Interface Output 87 6000E1 6 Second Serial Talker or T1 E1 87 8047 GPS C A Receiver 87 8028 2 Frequency and Time Deviation Monitor 87 8023 Have Quick Output with selectable TFOM 87 8016 6 HaveQuick 1 PPS Time and Frequency Reference 87 8016 3 Parallel BCD mSec Output with Time Quality 87 8090 Parallel BCD ...

Страница 179: ... types are as follows Time Code AM DC Format mirrors selected XLi standard code output IRIG A B IEEE 1344 or NASA 36 Alarm Rates 1 PPS 1 kPPS 10 kPPS 100 kPPS 1 MPPS 5 MPPS 10 MPPS Programmable Pulse Requires PPO option to be installed Alarm Relay 87 8034 2 Connector Quantity and Type Four female BNC Mechanical 1 slot 2 slots with Alarm relay option IRIG Code Out Alarm Rates Format IRIG A B IEEE 1...

Страница 180: ...dentify the jumper at JP2 that corresponds to the output you are configuring For example jumper J4 AM corresponds to the J4 output To generate time code AM move the plug in JP2 to the AM jumper For example to generate time code AM on the J4 output move the plug from J4 DC to J4 AM At this point the configuration procedure would be complete Note the format of the time code is the same as selected f...

Страница 181: ...ad screwdriver turn the rotary switch e g S4 to the appropriate switch position e g 1 In this example the J4 output would be set to generate 10 MPPS and the procedure would be complete The same method can be used to configure any of the outputs Note PPO and Alarm are only available if those options have been purchased and are enabled using F126 Options Key Entry page 164 Switch Position Signal Typ...

Страница 182: ... IRIG B 120 Time Reference UTC Installation Multicode cards that were not factory installed in the XLi require additional installation if there will be more than one Multicode or N 8 Frequency Synthesizer card in the XLi Each card needs to have a unique card ID number The card ID number is set by changing the SW2 DIP switch settings The unique card ID number has no relation to the physical locatio...

Страница 183: ...e by removing the top cover from the XLi chassis See Installing or Removing Option Cards on page 21 Using a BNC T and coax cables make a three way connection between the three following items OUTPUT 1 on the 87 6002 XL1 Multicode option card A load with the desired impedance or the target system The input connector on an oscilloscope Adjust potentiometer LEVEL1 R90 with a tweaker tool for desired ...

Страница 184: ...nternal oscillator The N 1 Frequency Synthesizer is configured from the front panel keypad and command line interface using F120 N 1 Frequency Synthesizer page 158 It can also be managed using the web interface Specifications OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 AMPLITUDE LEVEL1 R90 LEVEL2 R85 LEVEL3 R57 LEVEL4 R41 RATIO RATIO1 R91 RATIO2 R81 RATIO3 R42 RATIO4 R15 Output Frequency Range 1 PPS through 5...

Страница 185: ...nique card ID number has no relation to the physical location of the card in the option bays Changing the card ID number is not required if there is only one Multicode N 8 Frequency Synthesizer card or if the cards in the XLi were factory installed To set a unique card ID number compare the SW2 DIP switch settings with those of the other Multicode N 8 Frequency Synthesizer cards present Then set i...

Страница 186: ...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 10 On Off Off On 11 Off On Off On 12 On On Off On 13 Off Off On On 14 On Off On On 15 Off On On On 16 On On On On Card ID SW2 1 SW2 2 SW2 3 SW2 4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 187: ...ity Rubidium This option can be added to the XLi in a Plug and Play manner and operates without hardware or software configuration The PLL status of all three Low Phase Noise option cards is given by the F73 Low Phase Noise PLL indicator See F73 Alarm Control Status page 94 Specifications This option provides four 10 MHz frequency output signals Signal Type Analog sine wave Synchronization Phase l...

Страница 188: ...Noise PLL indicator See F73 Alarm Control Status page 94 Specifications This option provides four 10 MHz frequency output signals 1 5 10 MHz Sine MPPS Square Output 86 8008 Introduction The 1 5 10 MHz MPPS card generates four stable frequency sine or square wave outputs through its four BNC connectors These outputs are phased locked to the XLi s disciplined internal oscillator or external frequenc...

Страница 189: ...quare Wave TTL into 50 Ω Synchronization Phase locked to the XLi s internal 10 MHz oscillator Connector Female BNC CPU Aware No Sine Amplitude 1 VRMS into 50 Ω Sine Harmonic Distortion 30 dBc Square Wave TTL into 50 Ω Synchronization Phase locked to the XLi s internal 10 MHz oscillator Connector Female BNC CPU Aware No Sine Amplitude 1 VRMS into 50 Ω Sine Harmonic Distortion 30 dBc Square Wave TTL...

Страница 190: ... S S S S S S S S S S S S S S S S S S S S Figure 9 JP1 through JP4 left determine the output type for connectors J1 through J4 right Figure 10 To select an output type place a jumper across the appropriate set of pins Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 191: ...om the square waves Pots R9 R15 and R17 set the amplitude of the 1 5 and 10 MHz respectively The signals are then routed to Jumpers JP1 JP2 JP3 and JP4 where they can be selected for input to the output drivers Square Wave Outputs 1 5 and 10 MPPS signals are discretely buffered and routed to Jumpers JP1 JP2 JP3 and JP4 where they can be selected for input to the output drivers Maintenance This opt...

Страница 192: ...PS satellite signal for a long period of time or the problem may be incorrect firmware installed on the Processor Assembly Sine Wave Amplitude Adjustment Set the amplitude of the 1 5 and 10 MHz outputs to 1 Vrms into a 50 Ω load by adjusting pots R9 R15 and R17 respectively on the 1 5 10 MHz MPPS card T1 Telecom Interface Output 87 6000T1 8 Introduction The T1 Output Card card generates telecommun...

Страница 193: ...2 and in the subsequent configuration tables Formats SuperFrame D4 Line code B8ZS AMI these are the same for all 1 s Interface Balanced Z0 100 Ω on wire wrap pins Wave Shaping T1 short loop DSX 1 0 655 feet Format Form C Normally Open and Normally Closed contacts Interface Wire wrap pins Contacts Rated to 115 VAC 150 VDC at 2 A Format As per ITU T G 703 Centralized Clock Interface AMI with 5 8 dut...

Страница 194: ...ave Shaping Line Build Out for T1 short loop DSX 1 0 655 feet and T1 long loop CSU 0 dB 7 5 dB 15 0 dB pulse template requirements for outputs A and B Frame Format Selection Superframe D4 or Extended Superframe ESF for all outputs T1 AIS Assertion and Output Signal Control on Major Fault Figure 13 S1 has eight dip switch positions Lettering inverted for this illustration S1 JP4 JP7 Artisan Technol...

Страница 195: ...ajor Fault Assert AIS and turn outputs off S1 Position 8 OFF No AIS and leave outputs on S1 Position 8 ON This is the factory setting Figure 14 JP4 JP5 JP6 and JP7 Positions numbered 1 6 for this illustration T1 Output A T1 Output B S1 Position 1 2 3 4 5 6 Do not use ON ON ON ON ON ON 7 5 dB CSU OFF ON ON OFF ON ON 15 0 dB CSU ON OFF ON ON OFF ON 0 dB 0 133 CSU DSX 1 OFF OFF ON OFF OFF ON 133 266 ...

Страница 196: ...rap pins These silk screen legends indicate the non energized state of the relay closures During normal operation the relays are energized so that a power failure would indicate a fault condition Therefore the Alarm state is the non energized state and is in agreement with the silk screened legends Theory of Operation The XLi provides accurate time and frequency whenever the clock is locked to a r...

Страница 197: ...or alarm indication The FPGA uses the broadcast byte minor alarm information verbatim to control minor alarm indication In addition if position 8 of S1 is in the OFF position then the FPGA will cause U8 and U9 to transmit the AIS pattern and will turn off the optional output signals whenever a major alarm occurs The FPGA also implements a watchdog function by requiring that the broadcast bytes are...

Страница 198: ... provided through panel mounted wire wrap pins Two sets of Form C relay closures are also included for major and minor alarm indications These closures are accessible on the panel mounted wire wrap pins Figure 15 Wire wrap outputs on the E1 card This option card operates without software configuration by the user Specifications Framed All 1 s E1 2048 Kb S Outputs Two Outputs A and B Major and Mino...

Страница 199: ... Jumper view of the E1 Output Card 87 6000E1 6 with S1 and JP1 7 circled Format As per ITU T G 703 64 kBits S Centralized Clock Interface AMI with 5 8 duty cycle All 1 s with Bipolar Violations at an 8 Kb s rate Interface Balanced peak into 110 Ω on wire wrap pins Frequency 2048 kHz Amplitude Balanced 1Vrms into 100 Ω Connector wire wrap pins Synchronization Phase locked to the clock s internal 10...

Страница 200: ... wave shaping BECAUSE E1 AIS Assertion and Output Signal Control on Major Fault Figure 18 JP 4 JP5 JP6 and JP7 Positions numbered 1 6 for this illustration E1 Output A E1 Output B S1 Position 1 2 3 4 5 6 7 Do not use ON ON ON ON ON ON ON CEPT G 703 X X X X X X X X means that the setting is unimportant except that for either output all ON is not allowed Assert AIS and Turn Off Outputs S1 Position 8...

Страница 201: ... closures During normal opera tion the relays are energized so that a power failure would indicate a fault condition Therefore the Alarm state is the non energized state which is described by the silk screened legends The XLi provides accurate time and frequency whenever the clock is locked to a reference source When the clock is unlocked the XLi flywheels on its internal oscillator or if availabl...

Страница 202: ... GPS C A Receiver 87 8028 2 Introduction The optional GPS C A Receiver 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 Frequ...

Страница 203: ...z or 60 Hz frequency supplied from the user s power line and provides frequency and time information The XLi outputs the frequency and time information on the XLi s front panel display via FTP through the XLi s command line and through the FTM RS 422 display driver port Use F123 to configure and view the status of the Frequency and Time Deviation Monitor 87 8023 option card See F27 FTM III Configu...

Страница 204: ... adding Time Deviation plus a user entered constant Time Deviation Preset to the XLi s local time The beginning point of the Time Deviation calculation is when the Time Deviation Preset is initialized Whenever a new Time Deviation Preset value is entered the current accumulated value of Time Deviation is overwritten by the Time Deviation Preset value and the Time Deviation calculation is continued...

Страница 205: ...r Line Fuse Protected 0 5 A Fuse 2500 VAC RMS Isolation Opto isolation Coupled Filter Multi Stage Low Pass Measurement Rate 1 Measurement Second Range 9 999 Hz Accuracy 1 mHz Resolution Measurement 30 Hz Display 1 mHz Range 99 999 s Sample rate 1 sample per second Accuracy 1 mS Resolution Measurement 500 nS Display 1 ms Time offset input 99 999 seconds max Enter via keypad or communication port Ra...

Страница 206: ...isplay Data Available once per second System Frequency Frequency Deviation Time Deviation System Time Local Time CPU Aware No Installation No installation is required when the FTM is factory installed in the XLi The following installation instructions apply only to an FTM card installed by the customer later on Supplied with the purchase of a separate FTM card Range Local Time 99 999 s Accuracy 1 ...

Страница 207: ...guration for line frequency is 60 Hz The default line frequency value remains the same from one power cycle to the next unless changed by the user Operation The FTM begins operation after XLi power up and runs continuously whether or not data is being accessed by the user All configuration information is stored in non volatile memory and is reloaded automatically on power up Even though the FTM st...

Страница 208: ...2 option Pin 3 is Transmit and Pin 5 is ground for the DB 9 connector The RS 422 pinouts are as follows The port is a transmit only port Transmitting characters to this port has no effect on port operation System Frequency Frequency Deviation Time Deviation System Time and Local Time data is transmitted once per second with a terminating etx character on time with the second 1 millisecond Each of ...

Страница 209: ...esent which can cause electric shock that could result in severe injury or death Before proceeding see Operation on page 196 for a description of normal operation and user configurations Sometimes an apparent failure may simply be an incorrect user configuration entry e g 50 Hz instead of 60 Hz Ensure the FTM card configuration is correct Ensure that the line voltage to be measured is in the range...

Страница 210: ...ime error and two data valid strobes Output Day of year time quality flags 1PPS strobe and 1KPPS strobe Outputs TTL LVTTL Levels 4mA source or sink Logic Low 0 4 V Logic High 2 4 V Qty 1 Connector Panel mounted female 50 pin D connector Physical Single high option bay CPU Aware Yes Compatibility Legacy XL DC Parallel BCD Millisecond Module 86 390 1 PPS STROBE This line goes to the high state betwe...

Страница 211: ...low to high on that pin 5 80 s of days 30 1 s of min 6 40 s of days 31 40 s of sec 7 20 s of days 32 20 s of sec 8 10 s of days 33 10 s of sec 9 1KPPS Strobe 34 8 s of sec 10 8 s of days 35 4 s of sec 11 4 s of days 36 2 s of sec 12 2 s of days 37 1 s of sec 13 1 s of days 38 800 s of msec 14 Time Quality Bit 2 39 400 s of msec 15 Time Quality Bit 3 40 200 s of msec 16 1PPS Strobe 41 100 s of msec...

Страница 212: ...llows the user to use the rising edge of this strobe to clock data into a remote system The 100 ns delay allows for the output register time delay plus the user s interface setup time requirements At any time the 1 PPS strobe line is high the data lines from seconds up will not be changing states and are therefore available for reading The 1 kPPS 50 duty cycle output line on pin 9 20 of the 50 pin...

Страница 213: ...second Module 86 390 1 1 PPS STROBE This line goes to the high state between the second and 100 ns after the second It remains high for 500 ms 1 kPPS STROBE This line goes to the high state between the millisecond and 100 ns after the millisecond strobe It remains high for 500 us 1 MPPS STROBE This line goes to the high state between the microsecond and 100 ns after the microsecond strobe It remai...

Страница 214: ...ec 16 1PPS Strobe 41 100 s of msec 17 Time Quality Bit 4 42 80 s of msec 18 20 s of hours 43 40 s of msec 19 10 s of hours 44 20 s of msec 20 8 s of hours 45 10 s of msec 21 4 s of hours 46 8 s of msec 22 2 s of hours 47 4 s of msec 23 1 s of hours 48 2 s of msec 24 40 s of min 49 1 s of msec 25 20 s of min 50 Time Quality Bit 1 Table 7 PIN OUTPUT PIN OUTPUT 1 NOT USED 14 GND 2 1 s of usec 15 GND ...

Страница 215: ...st column shows the pin number of the rear panel 50 pin connector The second column shows the time error threshold at the transition from low to high on that pin TIME QUALITY INDICATORS PIN ESTIMATED WORST CASE 50 GOES HIGH First Threshold 14 GOES HIGH Second Threshold 15 GOES HIGH Third Threshold 17 GOES HIGH Fourth Threshold 9 80 s of usec 22 GND 10 100 s of usec 23 GND 11 200 s of usec 24 1MPPS...

Страница 216: ... and are therefore available for reading The 1 kPPS 50 duty cycle output line on pin 9 of the 50 pin connector switches to the high state 100 ns after the millisecond strobe The 100 ns nominal delay allows for the output register time delay plus the user s interface set up time requirements At any time the 1 KPPS line is high the data lines from milliseconds up will not be changing states and are ...

Страница 217: ...00mS Unlock This line goes high when the clock is unlocked from a reference source 50 pin D MILLISECONDS CONNECTOR PIN ASSIGNMENT Table 9 PIN OUTPUT PIN OUTPUT 1 1 s of msec 26 20 s of days 2 40 s of min 27 2 s of sec 3 2 s of msec 28 40 s of days 4 1 s of hours 29 4 s of sec 5 4 s of msec 30 80 s of days 6 2 s of hours 31 8 s of sec 7 8 s of msec 32 100 s of days 8 4 s of hours 33 10 s of sec 9 1...

Страница 218: ...e represents the previous 1PPS rollover THE ABBREVIATED PTTI BCD TIME CODE FORMAT IS The abbreviated PTTI BCD time code is a 24 bit message defining the UTC time of day The day of year and TFOM bits are set high 1 transmitted at 50 bps The time code represents the previous 1PPS rollover 9 PIN D SPECIFICATION Connector J1 and J2 Male 9 pin D subminiature Pin Assignment 1 N C 2 TX Code out Plus 3 RX...

Страница 219: ...LEVELS Specified by ICD GPS 060 Rev B 3 3 2 3 Load 500 Ω to 5kΩ Logic 1 0 10 to 6 0 Vdc Logic 0 0 10 to 6 0 Vdc Physical Double high option bay CPU Aware Yes Table 10 Bit mSec Description 0 0 80 s of hours 1 20 40 s of hours 2 40 20 s of hours 3 60 10 s of hours 4 80 8 s of hours 5 100 4 s of hours 6 120 2 s of hours 7 140 1 s of hours 8 160 80 s of min 9 180 40 s of min 10 200 20 s of min Artisan...

Страница 220: ...ys High 1 if Abbreviated 27 540 100 s of days High 1 if Abbreviated 28 560 80 s of days High 1 if Abbreviated 29 580 40 s of days High 1 if Abbreviated 30 600 20 s of days High 1 if Abbreviated 31 620 10 s of days High 1 if Abbreviated 32 640 8 s of days High 1 if Abbreviated 33 660 4 s of days High 1 if Abbreviated 34 680 2 s of days High 1 if Abbreviated 35 700 1 s of days High 1 if Abbreviated ...

Страница 221: ...IZATION SIGNAL Table 11 TFOM Number XLi Estimated Time Error ETE 1111 Not Used 1011 Not Used 1010 Not Used 1001 Initial condition clock unlocked or 10mSec ETE 1000 Clock unlocked and 1mSec ETE 10mSec 0111 Clock unlocked and 100uSec ETE 1mSec 0110 Clock unlocked and 10uSec ETE 100uSec 0101 Clock unlocked and 1uSec ETE 10uSec 0100 Clock unlocked and 100nSec ETE 1uSec 0011 Clock unlocked and 10nSec E...

Страница 222: ... 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 Amplitude 10Vdc 1V into 50 Ω Pulse Width 20uSec 1uSec Rise Time 20nSec Fall Time 1uSec Connector BNC female Physical Double high option bay CPU Aware No Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 223: ...e is made with on board jumpers LEDs mounted to the rear panel identify the signal selected Serial Talker E1 or T1 mode selection T1 OUTPUT When configured for T1 or E1 outputs and XLi or XLi SAASM is configured with an appropriate high stability oscillator option OCXO high stability OCXO Rubidium and High Stability Rubidium and locked to a GPS reference or equivalent the requirements of ANSI T1 1...

Страница 224: ... Connector P3 Male 9 pin D subminiature Pin Assignment 1 N C 2 N C 3 N C used for Second Serial Talker only 4 T1 Out 1 RS 422 Levels 5 GND 6 T1 Out 2 RS 422 Levels 7 T1 Out 2 RS 422 Levels 8 T1 Out 1 RS 422 Levels 9 TST_T1 Connector P4 Male 9 pin D subminiature Pin Assignment 1 N C 2 N C 3 N C used for Second Serial Talker only 4 T1 Out 3 RS 422 Levels 5 GND 6 T1 Out 4 RS 422 Levels Artisan Techno...

Страница 225: ...e Source MTIE operation are met Frequency 2048 kbit s Interface Balanced RS 422 levels into 120 Ω Synchronization Phase locked to the clock 10MHz Qty Four outputs Connector Two Male 9 Pin D Physical Single high option bay CE Compliant Yes 9 pin D specifications Connector P3 Male 9 pin D subminiature Pin Assignment 1 N C 2 N C 3 RS 232 Serial Talker only 4 E1 Out 1 RS 422 Levels 5 GND 6 E1 Out 2 RS...

Страница 226: ...9 TST_E1 SERIAL TALKER PORT Serial talker port is a re broadcast of the standard XLi serial port It provides two RS 232 and four RS 422 serial transmit ports on two 9 pin D connectors Interface Balanced RS 422 and RS 232 Qty Two RS 232 and four RS 422 outputs Connector Two Male 9 Pin D Physical Single high option bay 9 pin D specifications Connector P3 Male 9 pin D subminiature Pin Assignment 1 N ...

Страница 227: ..._E1 HaveQuick 1 PPS Time and Frequency Reference 87 8016 3 The Have Quick 1PPS 87 8016 3 option card is a reference source input card for synchronizing the XLi It can be configured to use incoming Have Quick time code and 1 PPS pulse as follows Synchronize major and minor time to the Have Quick incoming code Synchronize minor time to the 1PPS input Synchronize major time to the Have Quick incoming...

Страница 228: ...f the 1PPS The start of message indicator that follows the ones verifies that the time day of year year and TFOM message will follow Each 8 bit character in the data message time of day day of year year and TFOM is defined by a modified 8 4 Hamming Code The two start of message characters 8 bits each are not in the modified Hamming Code The modified Hamming code employs 4 parity bits and 4 data bi...

Страница 229: ...ger assuming all bits high indicating no information or an integer from 0 8 indicating time error 1 nS 10 mS either case no fault is reported When set to an integer value of 9 indicating time error of 10mS or fault the Have Quick time and frequency reference reads the code unlocks Refer to ICD GPS 060 Rev A section 4 4 5 for the Have Quick interface requirements Artisan Technology Group Quality In...

Страница 230: ...the time day of year year and TFOM message will follow Each 8 bit character in the data message time of day day of year year and TFOM is defined by a modified 8 4 Hamming Code The two start of message characters 8 bits each are not in the modified Hamming Code Refer to ICD GPS 060 Rev A section 4 4 5 for the Have Quick interface requirements HaveQuick with selectable TFOM The Have Quick output opt...

Страница 231: ... Rev A section 4 4 5 for the Have Quick interface requirements HaveQuick without TFOM Output Signal characteristics The Have Quick signal employs biphase Manchester II transmission at approximately 1667 bits per second A logical one is defined as 300 microseconds of a low state followed by 300 microseconds of a high state A transmission of 240 milliseconds of logic ones 400 bits precedes the start...

Страница 232: ...gh Stab OCXO Rubidium and High Stability Rubidium oscillators Signal Type Analog sine wave Synchronization Frequency locked to the XLi s internal 10 MHz oscillator Amplitude 13 dBm 1 5 dBm into 50 Ω Qty four Connector BNC female Physical Double high option bay CPU Aware No Harmonic distortion 50 dBc 2nd Harmonic Spurious 80 dBc Isolation 60 dBc Phase Noise 98 dBc Hz 1 Hz offset 127 dBc Hz 10 Hz of...

Страница 233: ...he antenna and signal strength requirements The GPS receiver card can be managed and configured using F119 available from the keypad and command line See F119 GPS Receiver Configuration on page 154 Specifications Related topics Installing the GPS Antenna on page 19 XLi with a GPS Reference on page 30 XLi with two optional GPS receivers on page 30 F50 GPS Receiver LLA XYZ Position on page 75 F51 GP...

Страница 234: ...ncy Accuracy on page 6 Standard TCVCXO Oscillator OCXO Oscillator Upgrade High Stability OCXO Oscillator Upgrade Frequency Timing Allan Deviation Stability 1 x 10 9 1 sec 2 x 10 10 1K sec 1x 10 12 1 day Temp 5x10 7 over 0 C to 50 C when not locked to a reference Drift Rate 5 x 10 9 Day Frequency Timing Allan Deviation Stability 1 x 10 10 1 sec 1 x 10 10 1K sec 1 x 10 12 1 day Temp 1X10 8 over 0 C ...

Страница 235: ... Allan Deviation Stability 3 x 10 11 1 sec 4 x 10 12 1K sec 1x 10 12 1 day Temp 3x10 10 over 0 C to 50 C when not locked to a reference Drift Rate 5 x 10 11 month Frequency Timing Allan Deviation Stability 3 x 10 11 1 sec 4 x 10 12 1K sec 1 x 10 12 1 day Temp 3x10 10 over 0 C to 50 C when not locked to a reference Drift Rate 1 x 10 11 month Artisan Technology Group Quality Instrumentation Guarante...

Страница 236: ...t 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 Standard 110 VAC Power Supply 12 VDC Power Supply Option 87 8012 12 Input Input connector IEC 320 connector Input voltage range UL 100 240 VAC Universal 90 264 VAC and 110 370 VDC Input freq range 47 Hz 440 Hz Wattage 104 watts Power Supply Statu...

Страница 237: ... is fully floating Either input polarity may be strapped to chassis ground at the input terminal block Isolation Input to output 500 VAC minimum Fan Exhaust 3 6CFM Input connector Removable three position screw terminal block Input voltage range 36 60 VDC 105 watts 4 amps Isolation ground Input is fully floating Either input polarity may be strapped to chassis ground at the input terminal block Is...

Страница 238: ...t ware options enabled on the XLi Note TIET and Freq Meas options to be ordered separately Logging TIET and Freq Meas Data 1 Set up a serial or network port connection between the PC and the XLi If needed use the XLi s F4 Serial Port Configuration or F100 Network Port Configuration If needed use the RS 232 or TCP IP buttons to configure TimeMonitor XLi Measurement 2 In TimeMonitor XLi Measurement ...

Страница 239: ...mand are displayed in the Response field To open a terminal session with the XLi and type commands to the XLi command line select the Terminal radio button and enter commands directly in the Response field Consult Chapter 5 Function Reference page 45 for the specific syntax of each command To end a Command or Terminal session with the XLi click the Disconnect radio button To display the location o...

Страница 240: ...e GPS satellite status select the option bay location of the GPS receiver using the pull down menu and then click the Satellites button This sends the F60 GPS Receiver Satellite List command to the XLi To display the complete GPS information select the option bay location of the GPS receiver using the pull down menu and then click the GPS button This displays the following window Please consult th...

Страница 241: ...man Issue 8 6 17 2008 Rev H 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 intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 242: ...ired field Recovery Action Re enter the command using the required fields ERROR 04 BAD DATA TIMEOUT CONDITION The XLi 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 enter ERROR Can t create netdevice NAME The ...

Страница 243: ... 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 file location and directory names to verify ...

Страница 244: ... 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 destination file Restarting the Unit Please wait A ...

Страница 245: ...n Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 246: ...ve 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 transferring files to and from the FTP The XLi gives the FTP server Anonymous as its user name and uses a null password e g the equivalent o...

Страница 247: ...mp get host IP Address dir subdir Here s an example of a successful SNMP and NTP config file transfer f100 config ntp snmp get host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Source file config snmp conf bytes read 1275 Dest file snmp conf bytes written 1275 Source file etc ntp conf bytes read 1166 Dest file ntp conf bytes written 1166 Source file etc ntp keys bytes read 44 Dest...

Страница 248: ...k to the XLi Reboot Warning The following steps cause the XLi to reboot Using the XLi s command line enter one of the commands below replacing IP Address with the IP address of your workstation FTP server To move the NTP config files type f100 config ntp set host IP Address dir subdir To move the SNMP config file type f100 config snmp set host IP Address dir subdir To move the NTP and SNMP config ...

Страница 249: ...man Issue 8 6 17 2008 Rev H 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 intentionally left blank Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 250: ...r To save time and trouble download a preconfigured 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 bur...

Страница 251: ...file ext If the FTP server is on your workstation ftp_server_ip_address is the IP address of your workstation relative_path is a subdirectory inside the anonymous user s home directory 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 ho...

Страница 252: ...RE 0 SEC 4 RE 0 SEC 5 RE 0 SEC 6 RE 0 FLASH SUCCESSFULLY PROGRAMMED CRC32 0x9EFBE60A Do the same for 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 SE...

Страница 253: ...EC 96 Sec 125 FILE SYSTEM FLASH BURN COMPLETED Do the same for the FPGA bin file F100 bh IP_address relative_path file bin For example F100 bh 192 168 49 120 184 8000 bin The XLi responds BURN HOST IS READY CR LF Then enter F100 bufp The XLi responds BURNING FILE 184 8000 BIN WITH SIZE 97652 TO PARTITION 3 SECTOR 10 FILE 97652 BYTES PARTITION 393204 BYTES 24 used SEC 10 RE 0 SEC 11 RE 0 FLASH SUCC...

Страница 254: ... ftpworkfiles directory The ftpworkfiles directory located in the anonymous user s home directory The FTP server is running There aren t any other anonymous users logged into the FTP server Try connecting to the FTP server as anonymous using an FTP client You should automatically see the product name directory e g XLi you created inside the anonymous users home directory e g c ftpworkfiles Open th...

Страница 255: ...llowing command F100 IC F100 IP 192 168 47 156 SM 255 255 255 0 G 192 168 47 1 Is the null modem cable necessary What if I m upgrading a XLi remotely The null modem cable is optional If you decide to Telnet to the XLi over TCP IP network the null modem cable isn t needed 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...

Страница 256: ...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 Trap PDU from Where is the dotted decimal...

Страница 257: ...ULT 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 SIZE 0 255 MAX ACCESS read only STATUS deprec...

Страница 258: ...r 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 accuracy in microseconds that the time server will at...

Страница 259: ...g 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 Note this is the value of the time server s outgoing NTP packet mode field ntp 8 n...

Страница 260: ...ariable 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 representing a signed 32 bit fixed point number indicating the maximum erro...

Страница 261: ... 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 deprecated DESCRIPTION This variable emulate...

Страница 262: ...racking 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 OBJECT TYPE SYNTAX INTEGER 0 30 MAX ACCESS read on...

Страница 263: ...he 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 1 MAX ACCESS read only STATUS deprecated DESCRIPTI...

Страница 264: ...he 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 dial up service weather the call was successful or not acts 6 actsGoodCalls OB...

Страница 265: ... 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 DESCRIPTION Time server s internal modem found ACTS line busy acts 12 actsNoAnswer OBJ...

Страница 266: ... 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 transport layer ntp 1 ntpOutPkts OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only ...

Страница 267: ...E 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 However when primary synchronization is lost this value slowly increases over time as the time server s oscillator flywheels away from true time I...

Страница 268: ... 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 OBJECT TYPE SYNTAX INTEGER 6 10 MAX ACCESS read only STATUS current DESCRIPTION When the time server is in NTP broadcast mode this in...

Страница 269: ...isp 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 zero are possible Note A primary time server s outgoing NTP packet has its root dispersion fiel...

Страница 270: ... 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 xliTrap OBJECT IDENTIFIER xli 3 END xliSystem SMIv2 mib XliSystemMib DEFINITIONS BEGIN IMPORTS OBJECT TYPE NOTIFICATION TYPE MODULE IDENTITY ...

Страница 271: ...Type 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 alarmTimeout 13 alarmNtp 14 FaultMaskType INTEGER disabled 1 enabled 2 Boolean INTEGER false 1 true 2 alarmDataIpAddrOBJECT TYPE SYNTAX IpAddress MAX ACCESS accessible for no...

Страница 272: ...fication 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 configDataLatchClear OBJECT TYPE SYNTAX INTEGER latchClear 1 MAX ACCESS write only STATUS current DESCRIPTION Setting to latchClear clears the latched fault indicators sy...

Страница 273: ...tus 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 FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the primary reference clock lock s...

Страница 274: ... 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 FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the rubidium oscillato...

Страница 275: ...e 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 faultPllSynthesizerOBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a PLL synthesizer fault occurred since the faul...

Страница 276: ...ault 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 SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a primary power fault occurred since the fault latch was clea...

Страница 277: ...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 TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a timeout fault occurred since the fault...

Страница 278: ...tatusGeneral 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 TYPE SYNTAX INTEGER unlocked 1 locked 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of...

Страница 279: ...tus 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 ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the auxiliary reference clock systemStatusDetail 6 statu...

Страница 280: ... 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 ACCESS read only STATUS current DESCRIPTION Gives the current status of clock since power on 1 indicates the clock has locked at lea...

Страница 281: ...ure 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 single line in the text file MIB config ttmib o GenTraps YES NAME public VIND 1 TRAP YES ACCESS R IP 010 001 007 065 IP 000 0 00 001 0...

Страница 282: ...For the XLi groups 1 2 3 4 and 5 have been deprecated and a new group 6 products has been added For the XLi and future Symmetricom products groups 1 through 5 will be absent from the XLi Enterprise MIB definition supplied with the unit The top structure for the XLi is MIB config ttmib o Avoid changing this factory setting GenTraps YES Global enable disable setting for all SNMP traps YES the defaul...

Страница 283: ... NTP group will be repeated under the optionCards group GPS is located under the optionCards group and is repeated for each GPS option card The ntsControl and acts groups have not been implemented for the XLi This MIB structure also provides a useful definition for the system object ID SNMP managers may use the system object ID to identify the class of object being accessed With this structure the...

Страница 284: ...ns 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 provides two different views of the operational system The first is a general view specifying if the clock is operational The second is a detailed view containing the current status of each system component...

Страница 285: ...ower 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 faultSecondaryRefClk 4 faultIrig 5 faultAuxRef 6 fau...

Страница 286: ...or 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 systemFaultHistory group will maintain a record ...

Страница 287: ...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 object in the systemStatusDetail group chan...

Страница 288: ...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 often times still allowed to use this data b...

Страница 289: ...s 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 Trap Message A packet issued from an SNMP Management agent to an SNMP Management station The messag...

Страница 290: ... the Log and display in category In the Event Log Message field enter XLI System Trap Do not enter the quotation marks 5 Select the menu item Options MIB Application Builder SNMP A popup titled MIB Application Builder SNMP will appear 6 In the MIB Application Builder SNMP popup select the menu item Edit New A popup titled New MIB Application will appear 7 Enter xlistatus in the Application ID fiel...

Страница 291: ...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 double click the icon Internet Select the icon corre sponding to your test subnet e g 192 168 11 and double click Double click the Segment1 icon 2 Select the icon labeled NIC by sin...

Страница 292: ...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 an entry of the form Normal Thu Mar 21 14 30 09 192 168 11 218 XLi system trap 1 private enterprises trueTimeEnt pro...

Страница 293: ...n Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 294: ...e is absent for n hours the Leap Indicator transitions to 11 and the Stratum Level stays at 1 n is dependent upon the XLi reference oscillator When an internal phase error within the NTP server is greater than 1 millisecond the Leap Indicator will transition to unsynchronized 11 This can take a very long time when an OCXO or Rb is installed in the XLi n is dependent upon the XLi reference oscillat...

Страница 295: ...rs Keys ID s 1 and 2 are examples A maximum of 20 trusted keys can be defined on this line trustedkey 1 2 Editing MD5 keys on the NTP Server NTP keys are needed if you are using NTP in broadcast mode with MD5 authentication This and the following section provide configuration guidelines For additional information consult Dr Mills NTP site at http www ntp org Broadcast mode adjusts its periodicity ...

Страница 296: ...ets to be processed by the NTP client In this case sample information from a client ntp conf file might look like trustedkey 1 2 bclient Network Time Protocol NTP does not permit comments in the ntp keys files Inserting comments will prevent the ntp keys files from being parsed correctly and turns off authentication at initialization Sample information in a client ntp keys file might look like 1 M...

Страница 297: ...n Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 298: ...Group Inter range Instrumentation Group Range Commanders Council describes IRIG B and IRIG A time codes The standard time formats of IRIG codes were designed for use in missile satellite and space research programs Use of these codes facilitates efficient interchange of test data These formats are suitable for recording on magnetic tape oscillographs film and for real time transmission in both aut...

Страница 299: ... B Time Quality Flags Five flags are encoded in the control function segment of the IRIG B code The first flag encoded at element P5 40ms is the LOCK indicator It is a binary 1 when the XLi is not locked to a reference The second flag encoded at element P5 60ms is a binary 1 when the worst case time error exceeds threshold 1 refer to Function 5 Time Quality Enable Setup Element P5 70ms is a binary...

Страница 300: ...ime of year in binary coded decimal BCD notation The second segment encodes control functions unused on Model XLi The two code segments 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...

Страница 301: ... man Issue 8 6 17 2008 Rev H 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 20 IRIG Standard Format A Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 302: ...i man Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 303: ...n Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 304: ... 8000 L1 L2 GPS Antenna w 50 coax 142 613 50 GPS C A Receiver w TRAIM Antenna Cable 87 8028 2 GPS Receiver Antenna Cable legacy item 86 8013 1 5 10 MHz Sine MPPS Square Output Card 86 8008 Second Serial Talker or T1 E1 87 8047 T1 Telecom Interface Card 87 6000T1 8 E1 Telecom Interface Card 87 6000E1 6 Multicode 4 AM Output Card 87 6002 XL1 Low Phase Noise 5 MHz Card 87 8009 5 Low Phase Noise 10 MH...

Страница 305: ... S S S S S S S S S S S S S S S S S 1 48 VDC Power Module 87 8012 48 Rack Mount Kit 2 mounting brackets for 1 U chassis 206 800 4 flat head Phillips screws 241 008 005 Antenna L1 Antenna 12V W 50 RG59 cable 142 614 50 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 306: ... obtained either through the Online Support area of our website http www symmetricom com support index aspx or by calling one of the above Customer Assistance Center numbers When calling the worldwide main number or USA based number Select Option 1 for technical support Then select Option 2 for Timing Test and Measurement Division customer support Technical Support personnel are available by phone...

Страница 307: ...uency System XLi man Issue 8 6 17 2008 Rev H 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 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 308: ...005 294 24 Frame Multiframe 181 48 VDC Power Input Option 226 86 8008 177 293 86 8013 222 293 87 399 18 293 87 399 19 293 87 399 RB1U 293 87 399 RB2U 293 87 399 RB2UA 293 87 6000E1 6 187 293 87 6000T1 8 181 293 87 6002 XL1 171 293 87 708 1 174 293 87 8000 293 87 8009 10 177 293 87 8009 5 176 293 87 8012 12 293 87 8012 24 293 87 8012 48 294 87 8016 3 293 87 8016 6 219 87 8017 293 87 8022 173 293 87...

Страница 309: ...B 127 BUFP 130 Burn 128 Burn BootLoader 127 Burn File System 129 Burn FPGA Firmware 130 Burn Host 127 C Cable Delay Distribution 78 GPS 77 Certifications 17 Change User Name 135 Change User Password 134 Clock Architecture 3 Clock Source Control 107 CODE Time Code Output 11 Code Output 116 Code Output Configuration Configuration 116 Command Line Interface 26 38 Using 26 CONFIG 131 235 CONFIG Parame...

Страница 310: ... 84 E E1 Telecom Interface Output 187 EA 120 Editing MD5 keys on the NTP Client 285 Editing MD5 keys on the NTP Server 284 Editing ntp conf 283 Editing snmp conf 270 ERROR 01 VALUE OUT OF RANGE 231 02 SYNTAX 231 03 BAD MISSING FIELD 231 Action get or set is not specified 232 Can t create netdevice 231 Can t open dest file 232 Can t open source file 232 Can t set host ip 231 Can t write file 232 Co...

Страница 311: ...100 ST Self Test Status 126 F108 Oscillator Configuration 137 F110 J1 Input Time Code 137 F111 J2 Output Rate 142 F113 J3 Input Aux Ref 146 F116 Display Brightness Level 150 F117 Factory Configuration 151 F118 Option Board Configuration 152 F119 GPS Receiver Configuration 154 F120 N 1 Frequency Synthesizer 158 F123 Have Quick 1PPS Sync Configuration 161 F126 Options Key Entry 164 F13 Time Error 61...

Страница 312: ...ation Monitor 63 192 Frequency Measurement 10 146 Frequency Synthesizer N 1 158 173 N 8 174 FTM III 192 FTM III Configuration 63 Function Reference 45 Function Summary 45 Future Expansion 276 G G 122 Gateway 122 Goodbye 233 GPS Antenna Cable Delay 77 M12 Receiver 191 Operation Mode 80 Receiver 222 Receiver Configuration 154 Satellite List 81 Signal Strength Requirements 21 GPS Receiver 6 GPS Recei...

Страница 313: ...81 ITU T G 704 181 ITU T G 811 181 J J 132 J1 Time Code Input 9 J1 Input Time Code 137 J2 Rate Out 10 J2 Output Rate 142 J3 Auxiliary Reference Input 10 J3 Input Aux Ref 146 K K I L L 133 Keypad Examples 37 Operation 36 Keypad Lock 55 Keypad Display Interface 34 L L 125 Latitude Longitude and Altitude 75 LED 33 Alarm Status 33 LLA XYZ Position 75 Lock Keypad 55 LOCK UNLOCK 124 Logging In 38 41 Log...

Страница 314: ...Port 8 Network Configuring 24 Network Port Connecting to 27 Connecting to 27 Network Port XLi Software 117 Network Port Settings 123 Network Settings Configuring 24 NOTICE Cannot respond to command because Utility Port session has priority 233 NTP 283 Configure 131 Configure Parameters 235 ntp conf editing 283 O OCXO Oscillator Upgrade 223 OK 233 Operator Login 38 Option bay positions 33 Option Bo...

Страница 315: ...e Out 10 Programmable Pulse Output 142 R Rack Mounting 31 Rack Mounting the XLi 31 Rate Out 10 Rate Output J2 142 Reboot 133 Remote Lock Status 125 Remote Lockout 124 Restarting the Unit Please wait 233 Rubidium Oscillator Upgrade 224 S Satellite List 81 Self Test Status 126 Serial I O Port 8 Serial Port Configuration 52 Connecting to 26 Connecting to 26 Session Priority 39 Session Timeout 39 Sess...

Страница 316: ... VDC Power Supply 225 Standard Inputs and Outputs 8 Standard TCVCXO Oscillator 223 Statistics Oscillator 91 Status Alarm Control 94 Fault 92 Self Test 126 Status Display 35 37 38 Submitting Changes 42 Subnet Mask 121 T T1 Telecom Interface Output 181 Test Procedure 280 TIET 9 137 Time 14 Time Date 50 Time Code J1 Input 137 Time Code Iinput IRIG B000 200 04 w IEEE1344 15 Time Code Input 9 Time Code...

Страница 317: ...9 User Interfaces 33 User Name 38 41 Change 135 User Privileges 40 Username Changing 39 Using F100 Config 235 V Version Software 62 W Web Interface 40 X XLi Additional Configuration 28 Clock Architecture 3 Configuration 28 280 MainCard Group 276 Overview 1 Rack Mounting 31 Software 117 System Group 273 System Status Group 275 Traps 276 XLi Generated Messages 231 XYZ coordinates 75 Artisan Technolo...

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