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Options List

NTP Authentication

Authentication involves advanced configuration for NTP, and used to prevent tampering with the
timestamps on the logs generated by devices. You can configure a device to authenticate the time
sources to which the local clock is synchronized. When you enable NTP authentication, the device
synchronizes to a time source only if the source carries one of the authentication keys specified by
the ntp trusted-key command. The device drops any packets that fail the authentication check and
prevents them from updating the local clock. NTP authentication is disabled by default.

Status Configure [ Authentication ]

[X] Enable Authentication

Key Table
ID Format Key Trusted
[ ] [M] [ ] [ ]

Apply Reset

[ ] [M] [ ] [ ]
[ ] [M] [ ] [ ]
[ ] [M] [ ] [ ]
[ ] [M] [ ] [ ]

ARBITER
SYSTEMS

Option 34 Network Time Module

[NTP]

PTP

SNMP

Clock

Network

System

Support

Logout

Computer Name (or IP address) – ssh – 80x24

Figure C.51: NTP Authentication Page Using SSH

There are four authentication formats (S, N, A, M) with different rules for each of the keys. For

example, a type M format (MD5) allows the key to have up to 31 ASCII characters like a password.
The key ID is an integer and identifies the NTP server key. If authentication is enabled, the client
will only synchronize with the server if it is trusted. Therefore, you must select the ”Trusted” check
box on the authentication page.

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Содержание 1084A

Страница 1: ...MODEL 1084A B C SATELLITE CONTROLLED CLOCK OPERATION MANUAL ARBITER SYSTEMS INC PASO ROBLES CA 93446 U S A WWW ARBITER COM ...

Страница 2: ...nual describes the set up and operation of the Model 1084A B C series satellite controlled clocks ROM Dates This version of the manual is written for these model clocks having ROM dates of 11 October 2010 or later Any changes made in subsequent revisions which affect operation or specifications will be noted with either a a new manual or b a revised version of this manual To display the ROM date f...

Страница 3: ...URPOSE AND BUYER EXPRESSLY WAIVES ALL OTHER WARRANTIES This limited warranty does not extend to any product which has been subject to 1 Improper use or application abuse or operation beyond its rated capacity or contrary to the instructions in the operation and maintenance manuals if any 2 Accident 3 Repair or maintenance performed by Buyer except in accordance with the operation and maintenance m...

Страница 4: ...iv ...

Страница 5: ... Setup Menus Chapter 7 Timing IRIG B and Pulses Chapter 8 Relay Contacts and Event Inputs Chapter 9 Serial Communications and Command Set Chapter 10 Startup and Basic Operation Appendix A Specifications and Technical Details Appendix B Using Surge Arresters Appendix C Options List Appendix D CE Mark Certification Appendix E Statement of Compliance Index Copyright Arbiter Systems Incorporated Febru...

Страница 6: ...vi ...

Страница 7: ... 9 2 3 3 Event Input 9 2 3 4 RS 232 and RS 485 Communication Ports 10 2 3 5 Form C Relay Contacts 10 2 3 6 Standard Input Outputs 10 3 Connecting Inlet Power Input and Output Signals 11 3 1 Physical Configuration 11 3 2 Option 07 IEC 320 Power Inlet Module 12 3 2 1 Cordsets and Plug Styles for Option 07 12 3 2 2 Option 07 Connecting Power to the 1084A B C 12 3 3 Option 08 10 to 60 Vdc Power With T...

Страница 8: ...put 26 5 2 3 JMP2 Fiber Optic Output Option 20 27 5 2 4 JMP3 Digital Output at P3 27 5 2 5 JMP4 Relay Control Output 27 5 2 6 JMP5 Receiver Battery Option 02 Obsolete 27 5 2 7 JMP6 Output Enable 28 5 2 8 JMP7 Model 1089A B C Timing Input Selection Obsolete 28 5 2 9 JMP9 P2 Output Selection 28 5 2 10 JMP10 RS 232 DSR or Prog Pulse Output Selection 28 5 2 11 JMP11 Model 1089A B C Obsolete 28 6 The S...

Страница 9: ...ndard Inputs Outputs 52 7 2 2 Digital Drivers 52 7 2 3 Analog Driver 52 7 3 Output Signal Description 53 7 3 1 IRIG B Description 53 7 3 2 Modulated and Unmodulated IRIG B 53 7 3 3 IRIG B IEEE 1344 Extension 54 7 3 4 1 Pulse per Second 1 PPS 54 7 3 5 Programmable Pulse PROG PULSE 55 7 4 Connecting Outputs 55 7 4 1 Attaching Cables to Screw Terminals 55 7 4 2 How Far Can I Run IRIG B Cabling 55 7 4...

Страница 10: ...9 Date and Time Commands 81 9 2 10 Programmable Pulse Output Commands 82 9 2 11 Antenna System Delay Commands 84 9 2 12 Out of Lock Commands 84 9 2 13 Miscellaneous Commands 84 9 3 Communication Port Information 86 10 Startup and Basic Operation 87 10 1 Initial Startup Sequence 87 10 1 1 Clock Time Startup Mode 1084B C 87 10 2 Front Panel Indication 1084B C 88 10 2 1 Display Indication at Startup ...

Страница 11: ...97 A 3 4 Programmable Pulse Output 97 A 3 5 Event A Input Alternate Function 97 A 4 Antenna System 97 A 4 1 Antenna Cable 97 A 5 Operator Interface 97 A 5 1 Setup Methods 97 A 5 2 Setup Functions 98 A 5 3 Display 98 A 5 4 Display Functions 98 A 5 5 Annunciators 98 A 6 System Interface 99 A 6 1 RS 232C Interface 99 A 6 2 Data Formats 99 A 7 Physical Specifications 99 A 7 1 Dimensions 99 A 7 2 Weigh...

Страница 12: ...6 C 6 5 Option 06 Connector Pin Designation 117 C 6 6 Configuration 119 C 7 Option 07 Inlet Power Supply Description 124 C 7 1 85 to 264 Vac 47 to 440 Hz 110 to 370 Vdc IEC 320 Connector 124 C 7 2 Specifications 124 C 8 Option 08 Inlet Power Supply Description 125 C 8 1 10 to 60 Vdc ONLY Terminal Power Strip SWC 125 C 8 2 Specifications 125 C 9 Option 10 Inlet Power Supply Description 126 C 9 1 11...

Страница 13: ...ding Modulated IRIG B 155 C 16 Option 28 Power System Time Frequency and Phase Monitor 156 C 16 1 General Description 156 C 16 2 Discussion 156 C 16 3 System Reference Connection 156 C 16 4 Firmware Configuration 156 C 16 5 Calibration 158 C 16 6 Phase Calibration 158 C 16 7 Amplitude Calibration 158 C 16 8 Option 28 Firmware Setup Procedure 159 C 16 9 Option 28 Specific RS 232 Commands 160 C 16 1...

Страница 14: ...8 C 19 6 HTTPS SSL Certificate 219 C 19 7 Time Zone Format Strings 221 C 20 Option 36 Four Configurable Outputs 222 C 20 1 General Description 222 C 20 2 Specifications 222 C 20 3 Changing Outputs via Internal Settings 222 D CE Mark Certification 227 D 1 Introduction 227 E Statement of Compliance 231 E 1 Introduction 231 ...

Страница 15: ...Power Supply Inlet Description 12 3 2 Option 08 Power Supply Inlet Description 13 3 3 Option 10 Power Supply Inlet Description 13 4 1 Antenna Assembly for Mounting 18 4 2 Antenna Mounting Bracket 19 4 3 Antenna Mounting with AS0044600 19 4 4 GPS Surge Arrester 20 5 1 Model 1084A B C Main Board 26 6 1 Main RS 232C Setup 32 6 2 Port Parameter Setup 33 6 3 Broadcast Setup 33 6 4 Local Hour Setup 34 6...

Страница 16: ...et Connector 124 C 8 Option 08 Power Supply Inlet Connector 125 C 9 Option 10 Power Supply Inlet Connector 126 C 10 Option 17 Firmware Setup 128 C 11 Option 17 Output Connector 133 C 12 Option 17 Output Jumper Settings 137 C 13 Option 17 Board Layout and Jumper Locations 138 C 14 Option 20A Jumper Locations 143 C 15 Option 23 Front Panel Setup 147 C 16 Option 23 Internal Jumper Setup 150 C 17 Opti...

Страница 17: ...e Startup Screen 196 C 42 System Configure Page Using SSH 197 C 43 Configure System Password Using SSH 198 C 44 Checking Network Status Using SSH 199 C 45 Configure Network Settings Using SSH 200 C 46 View Operation Using SSH 201 C 47 View SNMP Operation Using SSH 201 C 48 PTP Status Page Using SSH 202 C 49 NTP Status Page Using SSH 202 C 50 NTP Configure Page Using SSH 203 C 51 NTP Authentication...

Страница 18: ...xviii LIST OF FIGURES ...

Страница 19: ...irmware Settings 31 7 1 Drive Current vs Voltage 52 7 2 IRIG B Time Code Types Available 53 7 3 Programmable Pulse Types 55 9 1 Fault Indications and Definitions 66 9 2 Survey Position Hold Status 73 9 3 System Status Information Chart 74 9 4 Unlocked Time Quality 74 9 5 Auto Survey Setup Conditions 80 9 6 Option Control Settings 85 9 7 Main RS 232C Port Pin Definitions 86 10 1 Fault Conditions 90...

Страница 20: ...ion 23 Output Signal Selection Jumper Settings 149 C 9 Example Output Load and Loop Distance Matrix 153 C 10 Option 28 B2 Broadcast Time Deviation Values 163 C 11 Option 29 Operating Modes of SSR Outputs 167 C 12 Option 29 Output Connectors and Setup Jumpers 168 C 13 Option 32 33 Jumper Truth Table 173 C 14 Null Modem Cable Connections 180 C 15 Option 34 LED Indications 181 C 16 Option 36 Output C...

Страница 21: ...se care when handling against static discharges Generally these components are protected in their normal situation however some of these are accessible when the cover is removed CAUTION Antenna Input Connector Connect only the antenna cable coming from the antenna into this connector The antenna input connector on the clock itself leads to the GPS receiver which could be damaged from high voltage ...

Страница 22: ...e clock Since it is required to remove the M25 screws which attach the cover to the chassis it may be good to attach the ears after first making any jumper configuration inside the clock You will want to return to this section after making these changes See Chapter 5 Setting Internal Jumpers for information on selecting jumpers 1 4 1 Mounting Instructions 1 Using a Torx T25 driver or large slot sc...

Страница 23: ...1 4 Attaching Rack Mount Ears to 1084A B C Series Clocks 3 Figure 1 2 Attaching Rack Mount Ears ...

Страница 24: ...4 Unpacking the Clock ...

Страница 25: ... of the arrangement of LED indicators display s and keypad See Figure 2 1 to see the difference between these models The Model 1084A has four annunciator LED s the Model 1084B adds to that the two line by twenty character LCD and eight button keypad the Model 1084C adds to the Model 1084B another nine character LED for higher visibility ON OFF switch is optional and can be added for a small charge...

Страница 26: ...enus 2 2 1 Annunciator LED Definitions Annunciator LED Color Purpose Operate Green Clock Operating On Line Green Indicates Active Clock Unlocked Red Out of Lock when ON Fault Red Internal External Faults Table 2 1 Annunciator LED Definitions When used with Option 18 Redundant Interface the On Line LED indicates which of the two interconnected clocks is active Illuminates when a fault condition exi...

Страница 27: ...following definitions apply to these indicators OPERATE Indicates that power is being supplied to the clock ON LINE Indicates the active clock especially when using the Option 18 Redundant Interface when two clocks are interconnected OUT OF LOCK Illuminates when the clock has not yet synchronized or has lost synchro nization with the GPS FAULT Indicates when a GPS receiver or clock fault occurs 2 ...

Страница 28: ...just configurable parameters within the clock In numeric data entry mode moves the cursor to the left Up Used in conjunction with the Setup menus to adjust values upward or to scroll upward through the available menu choices Also assists in navigating through main Setup menus in normal order Down Used in conjunction with the Setup menus to adjust values downward or to scroll downward through avail...

Страница 29: ... C provides a type F GPS antenna input connector not only as the connection point for GPS signal but also supplies 5 volts to energize the antenna It is equipped with a threaded type F female connector Shown below is a diagram of the antenna connector To check for this signal use a small multimeter and probe from the center pin of the connector to the threads Voltage range is 4 9 to 5 1 Vdc For fu...

Страница 30: ...efers to clock powered OFF For information on how to connect to them and their specifications see Chapter 8 Relay Contacts and Event Inputs Figure 2 8 Relay Contact Connectors 2 3 6 Standard Input Outputs The Model 1084A B C has three standard timing outputs for separate timing signals when viewed from left to right 1 Pulse Per Second PPS unmodulated IRIG B and modulated IRIG B Out puts are as fol...

Страница 31: ...meter 50 foot cable can be used The loss and delay characteristics of the cable are important factors in the calibration and accuracy of the instrument refer to Section 4 4 1 thus the entire cable length should be used with any excess coiled up and placed out of the way Arbiter Systems offers standard accessories allowing the antenna to be mounted up to 240 m 800 ft from the clock if longer cable ...

Страница 32: ...matches the wall connector for your country The following are available IEC 320 mating cordset plug style and specifications No Country Specification Rating P01 Continental Europe CEE 7 7 220V P02 Australia NZ PRC AS3112 1981 240V P03 U K BS 1363 240V P04 Denmark Afsnit 107 2 01 240V P05 India BS 546 220V P06 Israel SI 32 220V P07 Italy CEI 23 16 VII 1971 220V P08 Switzerland SEV 1011 1959 220V P0...

Страница 33: ...the station batteries to the corresponding Option 08 terminals Be sure to observe the correct polarity as the power supply used with the Option 08 will not accept reverse input polarity CAUTION DO NOT connect Option 08 module to any ac voltage source 3 4 Option 10 110 to 350 Vdc Terminal Power Strip Surge With stand This option replaces the standard IEC 320 inlet with a 3 pole terminal strip and p...

Страница 34: ... module includes separate fuse holder adjacent to the terminal power strip See Table 3 2 above for the correct fuse configured for your option Option 08 and 10 fuses are located in a separate threaded compartment To check the fuse use a small flat bladed screwdriver and turn the cover counter clockwise The cover and fuse should pop out CAUTION Replace fuse only with another of the same type and ra...

Страница 35: ...ain RS 232 Port An event input may be connected to the Model 1084A B C series clock through the P3 the standard 1 PPS output or the main RS 232C port For complete details see Section 5 2 2 Before connecting any input signal to P3 make sure to read about how to wire P3 for input and configure it through the Event Deviation menu on 1084B C models or through the main RS 232 port all models see Sectio...

Страница 36: ...16 Connecting Inlet Power Input and Output Signals ...

Страница 37: ...e a clear view of the sky from 10 degrees above the horizon to directly overhead for all points of the compass Minimal installations where the antenna is mounted in a less favorable location may work however reception may be somewhat limited during certain hours of the day 4 1 1 Mounting the Antenna The standard antenna is designed for pole mounting on a 26 mm pole 1 05 in OD or 3 4 in ID pipe wit...

Страница 38: ...in stallation of the antenna on a mast or pipe up to about 2 in diameter and a different clamp may be substituted for use with a larger diameter pipe Also the bracket can be mounted to a wall a roof or any other flat surface For complete details on this product request Installation Instructions for Arbiter Systems GPS Antenna Mounting Bracket on document number PD0024700A All metallic hardware is ...

Страница 39: ...4 1 GPS Antenna Installation 19 Figure 4 2 Antenna Mounting Bracket Figure 4 3 Antenna Mounting with AS0044600 ...

Страница 40: ...upply voltage for all models of clocks This signal should be between 4 9 and 5 1 Vdc 4 2 3 Checking the Antenna Resistance Checking the internal resistance of the Arbiter GPS antenna is not as useful as verifying the antenna operation mentioned above Antenna resistance measures several megohms with meter probes at one polarity and less so if you change the meter probe polarity 4 3 GPS Surge Arrest...

Страница 41: ... physical length of the cable determine cable delay During the initial factory calibration of the clock a value for cable delay based upon the length and type of cable supplied is entered into the clock memory Firmware uses this figure to counteract the effect that the delay has upon GPS timing accuracy The value entered for a standard 15 meter cable is 60 nanoseconds For other cable options the d...

Страница 42: ... CA0021330 30 m 100 ft cable RG 6 119 ns 9 dB CA0021345 45 m 150 ft cable RG 6 177 ns 13 dB CA0021360 60 m 200 ft cable RG 6 236 ns 17 dB CA0021375 75 m 250 ft cable RG 6 295 ns 21 dB WC0004900 305 m 1000 ft roll RG 11 3 92 ns m 17 5 dB 100 m AS0044800 RG 11 crimp tool and 25 connectors N A N A AS0044700 21 dB in line amplifier 1 ns 21 dB Table 4 2 GPS Cable Data and Accessory Information Physical...

Страница 43: ...plifier of power Either a short or open circuit condition in the antenna cable will render the clock inoperable Prior to initial operation or if problems are suspected perform the Antenna Cable Operational Test Procedure described in Section 4 2 Connection to Antenna The male Type F connector on one end of the antenna cable mates with the female Type F connector on the antenna Avoid placing mechan...

Страница 44: ...24 GPS Antenna and Cable Information ...

Страница 45: ...dditional technical details about timing signals please see Chapter 7 Timing IRIG B and Pulses NOTE Values in tables marked with an show default positions 5 2 Input Output Function Selection Jumpers JMP3 and JMP2 determine which output signals are available at I O connector P3 and the fiber optic output connector U46 Option 20 respectively The position of the jumper determines which output signal ...

Страница 46: ...B C can accept event data input through I O connectors P3 and J2 Event A Deviation and RS 232 respectively To accomplish this set jumper JMP1 to either the B or A position corresponding to connectors P3 and J2 respectively Event and Deviation Channel Configuration To record and display the various event and deviation measurements requires re configuring the hardware and event settings on the Model...

Страница 47: ...ition IRIG B Unmodulated A IRIG B Modified Manchester B 1 PPS C Table 5 3 Fiber Optic Output JMP2 5 2 4 JMP3 Digital Output at P3 Jumper JMP3 selects the output on P3 to be unmodulated IRIG B IRIG B Manchester or 1 PPS See Table 5 1 for identification 5 2 5 JMP4 Relay Control Output Jumper JMP4 is used to control the FAULT relay function available at rear panel connector J3 Available functions are...

Страница 48: ...nits 5 2 8 JMP7 Model 1089A B C Timing Input Selection Obsolete The Model 1089A B C is obsolete and the jumper selection JMP7 is no longer valid 5 2 9 JMP9 P2 Output Selection JMP9 selects the output on P2 between unmodulated IRIG B and programmable pulse on later model 1084A B C clocks Clocks dating back to 1996 have the jumper installed 5 2 10 JMP10 RS 232 DSR or Prog Pulse Output Selection Sele...

Страница 49: ...settings There are a number of other settings that may be important to your application however local time offsets are normally fundamental requirements For a complete list of setup menus see Table 6 1 There are two available methods for configuring the 1084B C 1 Using the lower row of keys on the front panel and 2 remotely using either the main RS 232C port or Option RS 232C port To configure Mod...

Страница 50: ...ommunication port parameters Set Main RS 232 SETUP Press the Setup key repeatedly to scroll through the main menus Also after pressing SETUP once you can press the UP or DOWN keys to scroll the menus In numeric data entry mode press SETUP to move the cursor to the left ENTER Press the Enter key to confirm changes made within SETUP menus Generally pressing ENTER also advances the next parameter or ...

Страница 51: ... to the ones digit and ENTER again to install the new value 6 1 3 Default Firmware Settings All models will be configured with default settings when shipped from the factory unless specified otherwise at the time of order Most users elect to modify the clock settings to fit their locale and desired operation Default settings are listed in Table 6 2 Menu Item Default Menu Item Default Main RS 232 9...

Страница 52: ...press the ENTER key to begin setting up the RS 232C port parameters see Section 6 2 1 To set up the broadcast mode press SETUP and skip to Section 6 2 2 NOTE port settings may not be changed 1084A series clock since it does not have a keypad and there are no port setting commands Figure 6 1 Main RS 232C Setup ...

Страница 53: ... 232C ports They may only be changed with Models 1084B C series clocks from the front panel Figure 6 2 Port Parameter Setup 6 2 2 Setting the Broadcast Mode from Main RS 232 Enter this menu from the Set Main RS 232 menu see Figure 6 1 The Set Broadcast Mode menu allows you to configure the Model 1084A B C to broadcast ASCII time date related data from the available RS 232C ports With the UP DOWN k...

Страница 54: ...nd remove one hour to your local time See Section 6 3 2 to set up basic DST features RS 232C see Section 9 2 4 Figure 6 4 Local Hour Setup 6 3 1 Examples 1 Los Angeles USA has a local offset of 8 00 During Daylight Saving Time Los Angeles USA has an overall offset from UTC of 7 00 hours 2 Nairobi Kenya has a local offset of 3 00 DST Summertime is not observed 3 Selecting DST Summer Time ON immedia...

Страница 55: ... settings The default setting is for North America where DST begins on the second Sunday of March at 2 am and ends on the first Sunday of November at 2 am Go through each setting and verify that the settings are valid To adjust and install values press the UP DOWN keys to adjust the desired value and ENTER key to install that value and proceed to the next setting RS 232C see Section 9 2 4 Figure 6...

Страница 56: ...notified in a reasonable amount of time The default setting is for the clock to alarm after being unlocked for a period of one minute RS 232C see Section 9 2 12 Figure 6 6 Out of Lock Setup Extend Relay Start means that the clock will extend the time that the clock is not considered stabilized the unlocked LED is lit and the out of lock relay indicates an out of lock condition Choose NO for the st...

Страница 57: ...t operates If back light is not installed then the Set Back Light menu will have no effect Settings are either 1 Back Light OFF 2 Back light ON or 3 Back light AUTO In the Auto setting the back light will operate for approximately 30 seconds before switching OFF Use the Auto setting to extend the life of the LCD RS 232C see Section 9 2 5 Figure 6 7 Back Light Setup ...

Страница 58: ...e delay in nanoseconds 10 9 seconds is a product of the length of the cable and the its velocity factor Without compensating for the cable delay the time would be delayed by this amount RS 232C see Section 9 2 11 6 6 2 Clock Offset Clock offset accomplishes the same objective as with the cable delay but advancing the time by a greater value than with Cable Delay Figure 6 8 System Delay Setup ...

Страница 59: ...e pulse width from a minimum of 10 milliseconds to 600 seconds depending on the application and configuring the pulse to occur at either UTC or Local time RS 232C see Section 9 2 10 Figure 6 9 Programmable Pulse Setup 6 7 1 Entering Numerical Values When installing numerical values first use the UP DOWN keys to change the digits and then use the SETUP and ENTER keys to move the cursor left or righ...

Страница 60: ...Pulse mode to generate a pulse every X number of seconds from 1 to 60 000 seconds and a Pulse Width of from 10 milliseconds to 600 seconds Refer to Section 6 7 above for additional detail on the programmable pulse mode RS 232C see Section 9 2 10 Figure 6 10 Seconds Per Pulse Setup ...

Страница 61: ...Per Hour mode to generate a pulse every hour at the number of specified seconds from 0 to 3599 seconds after the hour Refer to Section 6 7 above for additional detail on the programmable pulse mode and entering eumerical values RS 232C see Section 9 2 10 Figure 6 11 Pulse Per Hour Setup ...

Страница 62: ...Per Day mode to generate a pulse every day at the specified hour minute second and fractional seconds Refer to Section 6 7 above for additional detail on the programmable pulse mode and entering numerical values RS 232C see Section 9 2 10 Figure 6 12 Pulse Per Day Setup ...

Страница 63: ...ulse once per year at the specified Julian day hour minute second and fractional seconds For reference many calendars indicate the Julian Day Refer to Section 6 7 above for additional detail on the programmable pulse mode and entering numerical values RS 232C see Section 9 2 10 Figure 6 13 Single Trigger Setup ...

Страница 64: ...that causes the output voltage to be held high and go low for six seconds on the day four seconds on the hour and two seconds on the minute Note make sure to set the Pulse Polarity to negative for normal operation See Section 6 7 7 RS 232C see Section 9 2 10 Figure 6 14 Slow Code Setup ...

Страница 65: ...when the pulse is off and transitions high 5 Vdc when on 2 Negative the voltage is held high 5 Vdc when the pulse is off and transitions low 0 Vdc when on To set up the pulse polarity first set up the programmable pulse mode e g Single Trigger and then go back into the Prog Pulse menu and set up the polarity separately RS 232C see Section 9 2 10 Figure 6 15 Pulse Polarity Setup ...

Страница 66: ...t the time zone for IRIG B Time Data between your locale and UTC and to turn ON or OFF the IEEE 1344 extension The IEEE 1344 extension controls some additional information contained in the IRIG B time code see Section 7 3 3 RS 232C see Section 9 2 6 Figure 6 16 IRIG B Time Data Setup ...

Страница 67: ... 3 for details on the principle of deviation measurement RS 232C see Section 9 2 2 Figure 6 17 Event Deviation Mode Setup 6 9 1 Arming the Event Input When using P3 note that the event function continually arms itself for the next event until the buffer is full When using the RS 232C port as the input you must arm the event function for each event from the front panel or by using the AR command To...

Страница 68: ...is time 3 Power On Survey initiate a new survey when the clock is powered on 4 Suspend Survey pause a survey in progress 5 Resume Survey resume a survey that was paused Figure 6 19 Survey Mode Setup 6 10 1 Number of Fixes Auto Survey configuration presents a list of possible surveys from 1 to 86 400 seconds approx 24 hours Surveys are listed as 1 single fix 60 1 minute or more 300 5 minutes or mor...

Страница 69: ...econd In the Fix mode the position information will appear to be changing each second as viewed on the clock display or being returned from the RS 232C port RS 232C see Section 9 2 7 Figure 6 20 Position Hold Mode Setup 6 11 1 Edit Position Data To manually edit geographical position and elevation you must first turn Survey mode to OFF and Position Hold ON Position may then be edited using RS 232 ...

Страница 70: ...y main board or auxiliary board option mounted in the clock Some of these options require you to configure additional settings information on configuring specific options is located in the Option List see Appendix C by option number RS 232C see Section 9 2 13 Figure 6 21 Option Control Setup ...

Страница 71: ...ng signal each piece of equipment requires and 2 how to enable the equipment to receive the timing signal Various methods are used to configure equipment for IRIG B including setting a physical jumper or setup program Some equipment can auto detect the timing signal so that nothing else is required other than connecting the cable 7 2 Timing Output Description When viewing the rear panels of the Mo...

Страница 72: ...ne output channel should be able to support 7 identical devices 7 2 3 Analog Driver The 1084A B C has one analog driver available exclusively for modulated IRIG B signals Ad ditional analog drivers may be added as options e g Option 03 27 29 The analog driver is basically a push pull audio design MMBT4401 4403 which supplies a 4 5 Volt peak to peak 10 Vpp on Option 03 signal through a 19 6 ohm sou...

Страница 73: ... BCDTOY CF SBS B003 Pulse width code No carrier BCDTOY SBS B120 B124 Sine wave amplitude modulated 1 kHz BCDTOY CF SBS B123 Sine wave amplitude modulated 1 kHz BCDTOY SBS Table 7 2 IRIG B Time Code Types Available The IRIG B time code consists of 100 bits produced every second 74 bits of which contain various time date time changes and time quality information of the time signal Consisting of logi...

Страница 74: ...E 1344 feature should be turned ON in the clock To view details of the IEEE Std 1344 1995 please check with the IEEE NOTE To download a copy of of the IRIG B 2004 specification please use the link to the Arbiter web site http arbiter com resources documentation php and select Timing and Frequency then select Ap plication Notes Option Information 7 3 4 1 Pulse per Second 1 PPS A one pulse per secon...

Страница 75: ...sing a shielded twisted pair cable like Belden 8760 DO NOT connect the cable shield at the clock Always connect a cable shield at the receiving equipment IED grounding point 7 4 1 Attaching Cables to Screw Terminals Some of the option boards mounted in the Model 1084A B C series clocks have screw terminals instead of BNC connectors to connect wiring To mount wiring to screw terminals prepare the t...

Страница 76: ...el from the single output It is much simpler to connect loads to unmodulated IRIG B than for modulated because all of the loads are driven at the same voltage To determine load current for one Unmodulated IRIG B output 1 determine the number of loads to be connected to a single clock output 2 determine the impedance or resistance of each load 3 calculate the load current for each device Idev 5V Rd...

Страница 77: ...tage is lost with 100 mA of current and 500 feet of 22 AWG twisted pair transmission line this includes the voltage losses at the source resistor 0 58 Vpp may very likely not be detected by the decoder in most IED s Remember to make your cable runs as short as possible to use a larger diameter cable and to carefully distribute the loads 7 4 7 Voltage Matching for Modulated IRIG B With modulated IR...

Страница 78: ...and compare it to your required accuracy As an example 840 feet of RG 6 cable with a velocity factor of 83 would delay the timing signal by one microsecond For IRIG B timing applications these delays may not be important compared to other criteria Otherwise you would be forced to compensate for the time delay using another method such as advancing the timing output or placing another master clock ...

Страница 79: ...f Lock relay changes state when the clock loses synchronization with the GPS or is powered OFF ERR is then shorted with respect to COM and OK is open with respect to COM When not synchronized with the GPS the out of lock relay will change state faults based on the Out of Lock setup Configure this through the front panel or the RS 232 interface see Section 6 6 Out of Lock settings are 1 unlock OFF ...

Страница 80: ... can also be configured to display measured event times as 1 pulse per second 1 PPS deviation measurements The intended purpose of the deviation measurement function is to allow comparison of an external 1 PPS signal to the clock s internal 1 PPS signal The clock determines the mean time difference between the two signals which can be displayed on the front panel or read via the RS 232 Interface 8...

Страница 81: ...d event times using the following format CH A EVENT nnn TIME ddd hh mm ss sssssss Where nnn event number 001 to 500 ddd day of year of the event 1 to 366 hh hour of the event 00 to 23 mm minute of the event 00 to 59 ss sssssss second and fractional seconds of the event e g 59 9999999 Press the UP or DOWN key to scroll through all events presently stored in the event time buffer After exiting and r...

Страница 82: ...ing Setup Configuring the clock to trap events incoming data on the RS 232C interface requires making the configuration changes described in Section 5 2 2 Arm the Event Trapping circuit from the front panel using the SET RS 232 sub menu from the SETUP key This menu also provides for configuration of communications port parameters e g baud rate word length etc to match those of the computer or equi...

Страница 83: ...zed on the IRIG B time code some devices are designed to receive ASCII data through the serial port Another common serial port function is to connect a digital wall display to indicate the time 9 2 Command Set This section provides information for controlling and communicating with these clocks via the RS 232C serial interface All of the RS 232C commands are functionally grouped into similar categ...

Страница 84: ... programming sequence do not include any carriage return or line feed characters In this section the syntax of each command follows the word Command and is in bold font Please read the comments below each command as some commands include one or more commas and in other cases a comma will separate multiple commands The following symbols and syntax are used C Shorthand for carriage return line feed ...

Страница 85: ...configures the clock to broadcast data formatted for Vorne large format time displays from the main RS 232C port O2 configures the clock to broadcast from the option RS 232C port Vorne formatted data Refer to Arbiter Systems Application Note 103 for more information on using large format displays with Arbiter Systems GPS clocks Response 44hhmmssC UTC Local Time 55dddC day of year 11nnC out of lock...

Страница 86: ...ny status data from the option RS 232C port when it changes NOTE When a valid fault is detected the specific status fault is broadcast once with Julian day and time to the chosen serial port When the fault clears another message is sent describing the cleared fault Response ddd hh mm ss I nn nn X nn nnC Updates whenever the status changes Where I Internal clock conditions X External clock conditio...

Страница 87: ... maximum accuracy ASCII 63 unlocked accuracy not guaranteed underline graphically represents the location of an ASCII space and is used for clarity only Broadcast Mode ASCII plus QUAL Command B6 O6 B6 configures the clock to broadcast from the main RS 232C port the time of day as ASCII data appended with a time quality indicator O6 configures the clock to broadcast the same data from the option RS...

Страница 88: ...ented by a space ASCII 32 locked maximum accuracy ASCII 46 Error 1 microsecond ASCII 42 Error 10 microseconds ASCII 35 Error 100 microseconds ASCII 63 Error 100 microseconds Broadcast Mode NMEA183GLL Command 0 nB 0 nB configures the clock to broadcast the National Marine Electronics Association Standard NMEA 0183 to broadcast from the main RS 232C port where n the update rate in sec onds from 1 to...

Страница 89: ...o 13 hours and minutes cs checksum 9 2 2 Event Mode Commands Return Specific Event Command nnnA nnnA sets the event buffer read index to a specific event number 001 to 500 and returns that event information in either Local or UTC time format depending on how the command nTA is configured Response LCL mm dd yyyy hh mm ss sssssss nnnLC or UTC mm dd yyyy hh mm ss sssssss nnnUC Format nnn Event Buffer...

Страница 90: ...sults are in microseconds Format dddd dd the deviation from 1 PPS GPS averaged over 16 samples ssss ss the standard deviation sigma of samples Arm Event Trigger Command AR AR arms the RS 232C event capture circuitry Response C Return Single Event Command EA EA returns a single event record from the channel A event buffer The record number nnn increments once for every issuance of this command Resp...

Страница 91: ...er is empty i e all event data which has been recorded has also been read Return Clock Status Command SC SC returns the current clock status Response L U U xx S nnC Format L Clock currently locked to GPS U for unlocked xx Indicates loss of lock period up to 99 minutes nn User specified out of lock delay 00 to 99 minutes refer to Table A 8 S Off if the out of lock function is deactivated S ZDL indi...

Страница 92: ...P Off E 0C Format vv number of satellites visible to the antenna per almanac ss relative signal strength range 0 to 255 nominal value 15 t number of satellites being actively tracked up to twelve P Off indicates that the time dilution of precision TDOP calculation is not being performed Returns 1 0 99 0 depending on satellite geometry when TDOP calculation is being performed A TDOP calculation is ...

Страница 93: ...ing and assignments On the right columns show the significant three bits of the Position Hold status byte weighting and assignments Bit Weight Function Bit Weight Function 0 LSB 1 Single Auto Survey 0 LSB 1 Position Hold Enabled 1 2 Power On Survey 1 2 Position Hold Active 2 4 Suspend Survey 2 4 Position Hold ID 3 7 N A 3 7 N A Table 9 2 Survey Sn Position Hold Status Pm 0 surveyed 1 User entered ...

Страница 94: ... stab 1 5 32 Time Error 2 4 Power Supply Error 6 64 VCXO Error 3 8 IRIG B Bus Fault 7 128 Receiver Failure Table 9 3 System Status Information Chart Time Quality Command TQ TQ returns a single ASCII character 0 4 9 A B F indicating estimated worst case time quality which follows the IEEE Standard 1344 Table 9 4 gives the returned value and error category Value Error Value Error 0 Locked max Accura...

Страница 95: ...matically change at the specified dates and times To complete the Daylight Saving Summer Time setup you must also use the Set Daylight Saving Auto Start and Stop commands that follow below Response C Set Daylight Saving Summer Auto Start Time Command 2 w x y zDT 2 w x y zDT sets the starting Start date and time for Daylight Saving Summer Time AUTO setting Where w Month 0 through 11 with 0 Jan 1 Fe...

Страница 96: ...ast or negative West Response C 9 2 5 Front Panel Control Commands Disable Control Panel Command FB FB disables all control panel keys and blanks the front panel display Model 1084B C only Response C Enable Control Panel Command FE FE enables all control panel keys and activates the front panel display Model 1084B C only Response C Lock Setup Keys Command FL FL disables setup control keys and acti...

Страница 97: ...IG Data IEEE 1344 Command In In activates n 1 or deactivates n 0 the IEEE 1344 extension which uses IRIG B control bits for additional information Information includes the two digit year local offset time quality and notification of pending non sequence events such as leap seconds and daylight saving time changeovers For additional information see Section 7 3 3 Response C IRIG Data Local Command I...

Страница 98: ...sition Hold ON to enter position data Response C Format dd degrees mm minutes ss sss seconds fractional seconds optional N North S for South Set Position Hold Longitude Command ddd mm ss sssE W ddd mm ss sssE W sets antenna longitude in Position Hold Mode in degrees minutes and sec onds East or West Survey must be turned OFF and Position Hold ON to enter position data Response C Format ddd degrees...

Страница 99: ...hold longitude setting In Fix mode LO returns the most recent computed longitude value calcu lated each second Response Wddd mm ss sssC Format W West E for East ddd degrees mm minutes ss sss seconds fractional seconds Position Hold OFF Command PH0 PH0 deactivates the Position Hold timing mode The receiver resumes computing time and position solutions approximately each second This is referred to a...

Страница 100: ...d to automatically determine position data for Position Hold Requires Position Hold mode to be ON to start the survey See conditions in Table 9 5 Use the SQ command during a survey to obtain the survey status Activate the Position Hold mode with the PH1 command Response C m Condition 0 Survey Off 1 Initiate single auto survey 2 Perform auto survey at power on 3 Temporarily suspend auto survey 4 Re...

Страница 101: ...al estimate of UTC time which it can use with stored position and almanac data to determine which satellites and Doppler shifts to use in acquisition Response C Format yyyy year mm month dd day hh hour mm minute Return Local Date Command DL DL returns the current date in the Local time zone Response ddmmmyyyyC Return UTC Date Command DU DU returns the current date in the UTC time zone Response ddm...

Страница 102: ...01 second 10 0 10 second 1 00 1 second 100 1 second Seconds Per Pulse Pulse Per Hour Command m nPS m nPS configures the programmable pulse as Seconds per Pulse or Pulse Per Hour mode as follows Response C Format m 0 seconds per pulse mode m 1 pulse per hour mode n 1 60000 seconds if seconds per pulse mode n 0 3599 seconds offset from hour if pulse per hour mode For the Seconds Per Pulse mode the f...

Страница 103: ...0 through 99 OU UTC time OL for Local time Set Pulse Output to Slow Code Command nCM nCM configures the pulse output to slow code Slow Code pulse output is held high and goes low for six seconds on the day four seconds on the hour and two seconds on the minute Response C Format n 0 Slow Code off n 1 UTC Slow Code n 2 Local Slow Code Set Pulse Polarity Command nPP nPP sets the programmable pulse ou...

Страница 104: ...p to one millisecond from actual time Response C 9 2 12 Out of Lock Commands Set Out of Lock Time Command nnK nnK configures the amount of delay time in minutes following loss of satellite synchronization before an out of lock signal is generated and output via rear panel connector A negative number turns the out of lock function OFF n 0 sets the out of lock time to zero delay n 1 to 99 sets the a...

Страница 105: ...res the specified option in the clock where m 0 for the main board and m 1 for the auxiliary board See Table 9 6 Where m 0 for Main board option and m 1 for Aux board option n option number see table below k security key 1084 l use only if n specifies Option 28 l 0 for 60 Hz and l 1 for 50 Hz Response C Option Number n Main Board Option Aux Board Option 0 NONE NONE 1 18A 03 2 19 06 3 17 4 20A 5 23...

Страница 106: ...ess Command IP This command returns the IP and MAC addresses of both ports of the Option 34 Dashes are used to show either an unassigned or unconnected port IP address Response NET1 192 168 000 232 64 73 E2 00 00 23C NET2 64 73 E2 00 00 24C 9 3 Communication Port Information Table 9 7 gives a list of functions and associated pins for both the RS 232C and RS 485 ports Pin No Function Pin No Functio...

Страница 107: ...t relay should switch to the unfaulted position Eventually the unlocked LED should extinguish The out of lock relay should change to non faulted position after a few minutes The LCD should indicate that the clock is locked for 1084B C clocks 10 1 1 Clock Time Startup Mode 1084B C When the clock first starts it will not indicate the correct time until it is locked to the GPS Pressing the TIME key b...

Страница 108: ...Indication 1084B C 10 2 1 Display Indication at Startup In the startup sequence the LCD display should indicate clock status as follows ARBITER SYSTEMS GPS SUBSTATION CLOCK followed by COPYRIGHT C 2010 ARBITER SYSTEMS INC followed by CLOCK STATUS STARTUP followed by CLOCK STATUS UNLOCKED MIN followed by CLOCK STATUS NOT STABILIZED After this the second line of the status display should change to U...

Страница 109: ...by EEPROM STATUS CORR ERRORS 0 If the number of corrected CORR errors begins to climb contact the factory about replacing the EEPROM 10 2 4 Event Deviation Display There are separate displays when pressing the EVENT DEVIATION key depending on the setting Scroll through successive events by pressing the UP or DOWN key If configured for DEVIATION it will indicate the 1 PPS Deviation updates once per...

Страница 110: ...T STABILIZED LOCKED AUTO SURVEY or LOCKED POSITION HOLD If they exist faults are indicated as follows Bit Weight Function 0 1 OCXO Not Installed set to 1 1 2 Stabilized stabilized 1 2 4 Power Supply Error 3 8 IRIG BUS Fault was Opt 18 4 16 Out of Lock 5 32 Time Error 6 64 VCXO Error 7 128 Receiver Failure Table 10 1 Fault Conditions For additional information on internal faults please see Section ...

Страница 111: ...s UTC in Time of Year format which differs from the previous format as follows UTC DATE TIME www yyyy ddd hh mm ss Where ddd day of the year 001 366 This mode displays UTC Time of Year mode without the application of daylight saving cor rection and local offset NOTE Daylight saving and local offset have no effect on this display 10 4 3 Date and Time Display Local Time The Date and Time Display mod...

Страница 112: ...nformation available is the previous position stored in the clock setup EEPROM This position information reflects the location of the receiver as determined by the last position while locked to at least four satellites Displayed position will be based on the most recent position fix Press the POSITION key to access longitude latitude and elevation data values Repeatedly pressing the POSITION key s...

Страница 113: ...10 5 Position Display Modes 1084B C 93 10 5 3 Elevation Display ANTENNA ELEVATION XXXXX XX m WGS 84 Where the elevation is displayed referenced to the WGS 84 datum ...

Страница 114: ...94 Startup and Basic Operation ...

Страница 115: ...rface s and Physical Specifications NOTE Specifications are subject to change without notice A 2 Receiver Characteristics A 2 1 Input Signal GPS L1 C A code 1575 42 MHz A 2 2 Timing Accuracy GPS UTC time 100 ns rms at 1 PPS output when receiving 4 or more satellites one satellite if position is known within 25 meters in the presence of Selective Availability SA 40 ns typical in Position Hold mode ...

Страница 116: ... special wiring Each output connector is independently buffered A 3 1 I O Connectors I O connectors may be configured to any one of the output signals or a specific input function as listed below Signals three BNC with output signals as described below Relays two sets 5 mm plug type terminal block A 3 2 Standard Output Signals IRIG B Modulated 1 kHz carrier Analog outputs are complementary emitter...

Страница 117: ... 1 PPS signal and measure the deviation from the 1 PPS GPS signal with 100 ns resolution Input also allows configuration of 1 PPS input to accept an external signal to record up to 500 sequential events with 100 ns resolution provided that the events are separated by 11 ms Event data is stored in battery backed RAM A 4 Antenna System The included antenna is directly mounted on a 26 mm pole 1 05 in...

Страница 118: ... line by 20 character supertwist LCD backlight available Option 01 9 character by 0 8 in LED for day and time readout Model 1084C only Time UTC or Local 1 PPS input Deviation Position Latitude Longitude and Elevation Event Time Status clock Receiver EEPROM and DCXO A 5 4 Display Functions Time UTC or Local 1 PPS input Deviation Position Latitude Longitude and Elevation Event Time Status Clock Rece...

Страница 119: ...s continuous output data in the following formats SOH ddd hh mm ss CRLF Broadcast Mode ASCII 44hhmmss CRLF 55ddd CRLF BEL Broadcast Mode Vorne mm dd yyyy hh mm ss sssssss nnn CRLF Broadcast Mode Event ddd hh mm ss I nn nn X nn nn CRLF Broadcast Mode Status CRLF Q yy ddd hh mm ss 000 space Broadcast Mode Extended ASCII SOH ddd hh mm ssQ CRLF Broadcast Mode ASCII w Time Quality SOH yyyy ddd hh mm ss...

Страница 120: ...85 250 Vac 47 440 Hz with three position Terminal Power Strip and Surge Withstand Capability A 7 4 Power Connector Option 7 Standard Power Supply This includes a fused IEC 320 power inlet module with mating ac cord Plug type specified as power cord options P1 through P10 see Section 3 2 1 Options 08 and 10 Using a 3 pole terminal strip power inlet with Surge Withstand Capability see Section 3 3 an...

Страница 121: ...her F connector to the GPS receiver in the clock A screw terminal provides a point to connect an earth ground wire Being weatherproof the AS0094500 can be mounted outdoors provided that the cabling and Type F connectors are sealed from the weather The device will also pass the DC current necessary to energize the GPS antenna B 3 Installation B 3 1 Mounting Location Location is a key consideration ...

Страница 122: ...ally this includes an o ring in the male connector that seats against the face of the female connector on the surge arrester Also crimped connectors frequently include a silicone gel flooding compound which enhances the ability of the connection to withstand the rain and humid conditions To better seal the entire connection cover the joint with GE Silicone II compound or use an external rubber por...

Страница 123: ...B 4 Physical Dimensions 103 Figure B 1 Suggested Mounting of the AS0094500 Surge Arrester ...

Страница 124: ...104 Using Surge Arresters ...

Страница 125: ...el 1084A B C references to these models will be found throughout this document Additionally there will be references to certain capabilities and specifications that apply only to specific clock models when using these options For example with Option 03 there will be a large list of possible signals that can be selected with the option board jumpers Some of these signals do not apply to the Model 1...

Страница 126: ...t operating mode To set the backlight operating mode observe the following steps 1 With the clock power turned on press the SETUP key The display should change to read SET RS 232 2 Press the SETUP key repeatedly until the display reads SET BACK LIGHT Press the ENTER key to select the backlight sub menu The current backlight operating mode will be displayed from one of the following selections OFF ...

Страница 127: ...p battery supports the following functions and parameters Function Ephemeris Data Description Information pertaining to satellite position or projected position as a function of time Storing the above information will reduce the time needed to re acquire satellite lock when the unit is turned on or upon restoration of power after an outage NOTES 1 There is no relationship between the GPS backup ba...

Страница 128: ...mplifier LF353 output with 557 ohm series resistor Available Outputs Note All outputs available on clock Models 1088B 1084A B C 1093A B C and other clocks as noted IRIG B Modulated IRIG format B time code modulated onto 1 kHz 10 Vpp sine wave carrier Available on clock Model 1093A B C when equipped with Option 92 IRIG B Modulated Output Deviation 1088A B 5 volts analog corresponding to 1 PPS devia...

Страница 129: ...me or a continuous pulse train having a period of one day or less Pulse width is ad justable from 0 01 to 600 seconds Out of Lock Normally HI after acquisition of satellite signals Toggles LO nn minutes after loss of satellite signal lock Range for nn is 00 to 99 minutes and is set using the SETUP menu or RS 232C refer to clock Operation Manual Setting of 00 disables this function output remains H...

Страница 130: ...for the type of output signal desired Jumpers JMP4 6 8 and 10 refer to Output Function selections 1 and 2 Jumpers JMP3 5 7 and 9 refer to Output Function selections 3 through 22 The signals available are listed in the text to the left of the jumpers in Figure 1 Mode Selection In addition to specifying the output signal type for each individual connector it is necessary to define whether the signal...

Страница 131: ...G B 3 A IRIG E 4 A IRIG H 5 A 10 MPPS 6 A 5 MPPS 7 A 1 MPPS 8 A 100 kPPS 9 A 10 kPPS 10 A 1 kPPS 11 A 100 PPS 12 A 60 PPS 13 A 50 PPS 14 A 10 PPS 15 A IRIG D 1 PPM 16 A 1 PPM 17 A 1 PPS 18 A Programmable Pulse 19 A Out of Lock 20 A IRIG B Mod Manch 21 A No Connection 22 A Table C 1 Output Connector Jumper Settings not available in Model 1084A B C ...

Страница 132: ...n 04 ON OFF Switch Option 04 ON OFF switch for satellite controlled clocks can be mounted in Models 1084A B only Model 1084C LED uses the full front panel and Option 04 switch cannot be mounted Figure C 2 Model 1084A B C Clocks ...

Страница 133: ...t with rising edges synchronous to the rising edge of 1 PPS GPS Four pins of the output connector that can be configured with combinations of the following Up to four digital signal outputs the functions of which can be selected individually from 18 choices Up to two analog signal outputs the functions of which can be selected individually from two choices Note Since these auxiliary functions must...

Страница 134: ...114 Options List C 6 2 Option 06 Firmware Setup Figure C 3 Option 06 Firmware Setup ...

Страница 135: ...peed CMOS buffered 74HCXXX 0 to 5 volts Time Data Format UTC or Local time data corresponds to setting for IRIG time data see 1084A B C Operation Manual Time Accuracy Rising edge delay of 100 nS maximum 1 mS bit relative to 1 PPS output rising edge Analog Outputs Output Type Operational amplifier LF353 output with 562 ohm series resistor Pin Numbers Output 1 pin 22 Output 2 pin 47 IRIG B Modulated...

Страница 136: ... 1 000 PPS square wave synchronous to the 1 PPS output 100 PPS 100 PPS square wave synchronous to the 1 PPS output 60 PPS 60 PPS square wave synchronous to the 1 PPS output 50 PPS 50 PPS square wave synchronous to the 1 PPS output 10 PPS 10 PPS square wave synchronous to the 1 PPS output 1 PPS 1 PPS 10 mS high synchronous to 1 PPS GPS 1 PPnnnS 1 pulse per nnn seconds 10 mS high synchronous to 1 PP...

Страница 137: ...Hr Data Bit 29 13 40 Min Data Bit 26 14 10 Min Data Bit 24 15 4 Min Data Bit 22 16 1 Min Data Bit 20 17 20 Sec Data Bit 17 18 8 Sec Data Bit 15 19 2 Sec Data Bit 13 20 800 mS Data Bit 11 21 200 mS Data Bit 9 22 80 mS Data Bit 7 23 20 mS Data Bit 5 24 8 mS Data Bit 3 25 2 mS Data Bit 1 26 Ground Ground 27 1 kPPS output Data Bit 46 28 Output 3 Dig only Data Bit 44 29 Output 1 Dig An Data Bit 19 30 D...

Страница 138: ...S Data Bit 10 46 100 mS Data Bit 8 47 40 mS Data Bit 6 48 10 mS Data Bit 4 49 4 mS Data Bit 2 50 1 mS Data Bit 0 Table C 2 Option 06 Connector Pin Designation These pins can be configured for any of the listed functions regardless of the main mode of operation for Option 06 Figure C 4 Option 06 Output Connector ...

Страница 139: ...When configured for BCD output of time data Option 06 utilizes pins 1 through 21 and 26 through 46 along with ground pins 25 and 50 The weighting for the individual bits along with the connector pin locations is given in Table 1 To configure Option 06 for BCD operation observe the following steps a Set jumper JMP1 to position B This enables the BCD output mode b Set jumper JMP6 to position A This ...

Страница 140: ...the digital signal output mode At the same time making this jumper selection eliminates parallel data bits 19 27 44 and 45 b To enable digital signal output number 1 set jumper JMP2 to position A c To set the type of output signal for digital signal output number 1 make the appropriate selection on jumper JMP8 refer to Figure 2 Note that positions 1 and 2 correspond to analog signal outputs and wi...

Страница 141: ...al output number 3 and place it on jumper strip JMP8 in either position 1 or 2 refer to Figure 2 To enable analog signal output number 2 set jumper JMP5 to position B This setting also eliminates the possibility of having parallel data bit 45 digital signal output number 4 To select the type of signal for analog output 2 remove the jumper from jumper strip JMP10 which is no longer active since it ...

Страница 142: ...122 Options List Figure C 5 Option 06 Output Jumper Settings ...

Страница 143: ...C 6 Option 06 Parallel BCD Output 1 millisecond Resolution 123 Figure C 6 Option 06 Board Layout and Jumper Locations ...

Страница 144: ...40 Hz or 110 to 370 Vdc less than 20 Volt Amps maximum Various plug styles are available as Options P01 through P10 See Section 3 2 1 for a list of available cordsets Figure C 7 Option 07 Power Supply Inlet Connector C 7 2 Specifications Fuse Type Bussman GBD 1A Current Rating 1 Ampere fast acting Voltage Rating 250 Volts Size 5 mm x 20 mm Input Power AC Voltage Range 85 to 264 Vac Frequency Range...

Страница 145: ...d Figure C 8 Option 08 Power Supply Inlet Connector C 8 2 Specifications Input Power DC Voltage 10 to 60 Vdc Input Power 20 Watts typical Terminal Strip Terminal Assignment Ground Left to right viewed from rear Block Size 49 mm W x 15 mm H x 16 5 mm D 1 9 x 0 6 x 0 6 Block Material Glass filled thermoplastic Screw Size 6 32 x 1 4 Screw Material Cadmium plated steel Terminal Spacing 9 mm 0 35 Appro...

Страница 146: ...ock Size 15 mm W x 18 mm H x 30 mm D 5 8 x 0 75 x 1 3 16 Approvals U L recognized C S A approved For AC operation input line may be connected between and without regard to polarity however proper grounding should always be employed Fuse Type Bussman GDC 1A Current Rating 1 Ampere fast acting Voltage Rating 250 Volts Size 5 mm x 20 mm Surge Withstand Protection SWC Provides input Surge Withstand Ca...

Страница 147: ...ons of the following a Up to four digital signal outputs the functions of which can be selected individually from 18 choices b Up to two analog signal outputs the functions of which can be selected individually from two choices c An RS 232C serial communications port which can use between two and four lines Note Since these auxiliary functions must share four connector pins certain limitations wil...

Страница 148: ... Options List C 10 2 Option 17 Firmware Setup Procedure Figure C 10 Option 17 Firmware Setup Note For additional programming information on other options please see Chapter 6 or other options in Appendix C ...

Страница 149: ...peed CMOS buffered 74HCXXX 0 to 5 volts Time Data Format UTC or Local time data corresponds to setting for IRIG time data see 1084A B C Operation Manual Time Accuracy Rising edge delay of 100 nS maximum 1 mS bit relative to 1 PPS output rising edge Analog Outputs Output Type Operational Amplifier LF353 output with 562 ohm series resistor Pin Numbers Output 1 pin 22 Output 2 pin 47 IRIG B Modulated...

Страница 150: ...S 1 000 PPS square wave synchronous to the 1 PPS output 100 PPS 100 PPS square wave synchronous to the 1 PPS output 60 PPS 60 PPS square wave synchronous to the 1 PPS output 50 PPS 50 PPS square wave synchronous to the 1 PPS output 10 PPS 10 PPS square wave synchronous to the 1 PPS output 1 PPS 1 PPS 10 mS high synchronous to 1 PPS GPS 1 PPnnnS 1 pulse per nnn seconds 10 mS high synchronous to 1 P...

Страница 151: ...mote device is ready to receive data Requires that JMP5 be set to position C Precludes the use of digital signal output 4 analog signal output 2 or parallel data bit 45 Outputs Available Transmit Data TXD Connector pin 29 Sends data to external device Requires that JMP2 be set to position B Precludes the use of digital signal output 1 or parallel data bit 19 Data Set Ready DSR Connector pin 28 Inf...

Страница 152: ...24 15 4 Min Data Bit 22 16 1 Min Data Bit 20 17 20 Sec Data Bit 17 18 8 Sec Data Bit 15 19 2 Sec Data Bit 13 20 800 mS Data Bit 11 21 200 mS Data Bit 9 22 80 mS Data Bit 7 23 20 mS Data Bit 5 24 8 mS Data Bit 3 25 2 mS Data Bit 1 26 Ground Ground Ground 27 1 kPPS output Data Bit 46 28 Output 3 Dig only Data Bit 44 DSR 29 Output 1 Dig An Data Bit 19 TXD 30 Day 100 Data Bit 34 31 Day 40 Data Bit 42 ...

Страница 153: ...ata Bit 16 43 4 Sec Data Bit 14 44 1 Sec Data Bit 12 45 400 mS Data Bit 10 46 100 mS Data Bit 8 47 40 mS Data Bit 6 48 10 mS Data Bit 4 49 4 mS Data Bit 2 50 1 mS Data Bit 0 These pins can be configured for any of the listed functions regardless of the main mode of operation for Option 17 Figure C 11 Option 17 Output Connector ...

Страница 154: ...data Option 17 utilizes pins 1 through 21 and 26 through 46 along with ground pins 25 and 50 The weighting for the individual bits along with the connector pin locations is given in Table 1 To configure Option 17 for BCD operation observe the following steps a Set jumper JMP1 to position B This enables the BCD output mode b Set jumper JMP6 to position A This jumper is included to set the timing mo...

Страница 155: ...s enables the digital signal output mode At the same time making this jumper selection eliminates parallel data bits 19 27 44 and 45 b To enable digital signal output number 1 set jumper JMP2 to position A This also eliminates the TXD RS 232C line c To set the type of output signal for digital signal output number 1 make the appropriate selection on jumper JMP8 refer to Figure C 13 Note that posit...

Страница 156: ...ce it on jumper strip JMP8 in either position 1 or 2 refer to Figure C 13 To enable analog signal output number 2 set jumper JMP5 to position B This setting also eliminates the possibility of having parallel data bit 45 digital signal output number 4 To select the type of signal for analog output 2 remove the jumper from jumper strip JMP10 which is no longer active since it corresponds to digital ...

Страница 157: ...C 10 Option 17 Parallel BCD Output and Second RS 232C Port 137 Figure C 12 Option 17 Output Jumper Settings ...

Страница 158: ...138 Options List Figure C 13 Option 17 Board Layout and Jumper Locations ...

Страница 159: ...el 1084A B C may be used with Option 19 See Chapter 9 for list of RS 232 commands Note that broadcast commands supporting the main RS 232 port begin with the letter B and broadcast commands supporting the second RS 232 port begin with the letter O For example to broadcast ASCII from the main RS 232 port type B1 To broadcast ASCII from the second RS 232 port type O1 RS 232 Connector Pin Locations T...

Страница 160: ... minimum 12 dBm typical into 62 5 125 µm fiber The transmitter is also usable with 50 125µm 100 140µm and 200µm PCS fiber The optical signal is ON whenever the selected logic signal is HI Transmitter bandwidth is compat ible with all available logic signals Fiber optic signal may be converted back to electrical format using the Model 10881A Fiber Optic to Logic converter available separately from ...

Страница 161: ...he standard Model 1088A B clock and in Slot A of Model 1093A B C clock Output Enable JMP1 This jumper is used at the factory for setting the output enable for the optical transmitters For normal operation set jumper to position A With two clocks containing Option 18 and configured for redundant operation this jumper may be set to position B allowing the optical outputs to be externally paralleled ...

Страница 162: ...PS 2 3 7 100 kPPS 2 3 8 10 kPPS 2 3 9 1 kPPS 2 3 10 100 PPS 2 3 11 60 PPS 2 12 50 PPS 2 13 10 PPS 2 3 14 1 PPM 2 3 15 1 PPH 2 3 16 1 PPS 1 2 3 17 Prog Pulse 1 2 3 18 IRIG B Mod Manch 2 3 Table C 5 Option 20A Four Fiber Optic Output Configuration 1 Signals available on the Model 1093A B C 2 Signals available on the Model 1088A B 3 Signals available on the Model 1084A B C ...

Страница 163: ...C 13 Option 20A Four Fiber Optic Outputs 143 Figure C 14 Option 20A Jumper Locations ...

Страница 164: ... 1 PPS GPS by phase locking a precision voltage controlled crystal oscillator VCXO to the internal 1 kPPS signal present in the clock This VCXO output signal is then divided down to obtain the desired sampling rate Synchronization logic is also provided to ensure that the output divider is synchronized to 1 PPS GPS By using a precision VCXO pulse to pulse sampling jitter is held to an absolute min...

Страница 165: ...720 600 8 480 400 6 360 300 4 240 200 Table C 6 Option 23 Sample Rates fLCM 384 fbase Samples cycle fs for 60 Hz fs for 50 Hz 3200 192000 160000 1600 96000 80000 800 48000 40000 640 38400 32000 400 24000 20000 320 19200 16000 200 12000 10000 160 9600 8000 128 7680 6400 100 6000 5000 80 4800 4000 64 3840 3200 50 3000 2500 40 2400 2000 32 1920 1600 20 1200 1000 16 960 800 10 600 500 8 480 400 4 240 ...

Страница 166: ...parameters within both the Model 1084A B C and Model 1088A B The SETUP menu can be easily accessed from the front panel keyboard The Option 23 SETUP menu is illustrated in Figure C 15 for the standard clock Model 1084A B C Figure 5 2 illustrates the standard Model 1088A B SETUP menu However for clarity only Option 23 is described RS 232C Commands Option 23 can also be configured via the RS 232C in...

Страница 167: ...el 1084A B C clocks If you should need additional information on setting up from the front panel keys please go to Chapter 6 To enter the Aux Board Setup menu press SETUP until you reach SET OPTION CONTROL then press ENTER Make choices using the UP DOWN keys to select the desired value and ENTER key to confirm the selection and move on Figure C 15 Option 23 Front Panel Setup ...

Страница 168: ...ription Output Function Selection Jumpers JMP1 JMP2 JMP3 and JMP4 determine the output signals which can be made available at I O connectors J2 J3 J4 and J5 respectively Figure C 16 illustrates the relationship between these jumpers and the I O connectors The first step in setting an I O channel for a specific output signal is to move the associated jumper to the location corresponding to the desi...

Страница 169: ... 6 A 5 MPPS 7 A 1 MPPS 8 A 100 kPPS 9 A 10 kPPS 10 A 1 kPPS 11 A 100 PPS 12 A 60 PPS 13 A 50 PPS 14 A 10 PPS 15 A IRIG D 1 PPM 16 A 1 PPH 17 A 1 PPS 18 A Programmable Pulse 19 A Out of Lock 20 A IRIG B Modified Manchester 21 A Normal Polarity COMTRADE 22 A Complemented Polarity COMTRADE 23 A Table C 8 Option 23 Output Signal Selection Jumper Settings available in Model 1088B only ...

Страница 170: ...150 Options List Figure C 16 Option 23 Internal Jumper Setup ...

Страница 171: ...20 Ohm source impedance each channel will drive a 50 Ohm load to 3 Vpp minimum requires Option 92 in Model 1093A B C Unmodulated 5 V open circuit 4 V minimum at 250 mA load load current each channel will drive 25 Schweitzer SEL 3xx in parallel or 50 SEL 2xx in series parallel relays at 10 mA per relay Maximum Load per driver Modulated No Limit will drive a short circuit Unmodulated 250 mA peak cur...

Страница 172: ...152 Options List Figure C 17 Option 27 Jumper Locations ...

Страница 173: ...loop distance figures were obtained using the following types of Belden Wire cross referenced to corresponding part number AWG20 AWG18 AWG16 AWG14 AWG12 Shielded 8762 8760 8719 8720 8718 Non Shielded 8205 8461 8471 8473 8477 Table C 9 Example Output Load and Loop Distance Matrix 1 Output Load and Voltage Drop SEL 3xx is the number of relays connected as output load 2 For SEL 2xx using pairs of rel...

Страница 174: ...e 1 Shielding is optional However if shielding is used connect drain wire at source end of cable to a local surge ground Maintain shielding throughout bus by connecting drain wires together at each junction or drop point Do not connect drain wires at ends of cables Do not connect drain wires to signal wires Do not connect shield to ground at more than one location as this may result in circulating...

Страница 175: ...he connecting lines are short 5 ohms or less loop resistance then no further analysis is required As with unmodulated signals two or more drivers may be paralleled if desired Unlike the current limited unmodulated IRIG B drivers the modulated IRIG B drivers are impedance limited and will operate properly into any load impedance including a short circuit If the loop resistance is greater than 5 ohm...

Страница 176: ...e input perform the following steps 1 Connect System Reference 50 or 60 Hz signal input to the Option 28 assembly using the 6 m 20 ft length of twin axial cable provided Strip the unterminated end of this cable and prepare it as required for termination to your System Reference signal Do not connect the shield of the cable at the reference input end 2 Attach this cable to the Option 28 System Refe...

Страница 177: ... view System frequency and time press the EVENT DEVIATION key a third time System Frq 59 993 Hz Time 19 39 25 4327 NOTE Selection of Option 28 results in the deactivation of the Event front panel displays The event displays may be re enabled if desired by entering the SET EVENT DEVIATION menu and following the procedure below This choice is only available when Option 28 is installed in the unit 4 ...

Страница 178: ...he character V to the clock to check that connections and port settings are correct The clock should respond with the firmware dates in the format 01 Jan 1997 Op28 02 Jan 1997 To send the phase calibration factor to the clock key in the message dd dd 1084PC or dd dd 1088PC or dd dd 1093PC Where dd dd is the calibration factor in degrees for example 0 16 and 1084 1093 or 1088 is the clock model num...

Страница 179: ...C 16 Option 28 Power System Time Frequency and Phase Monitor 159 C 16 8 Option 28 Firmware Setup Procedure Figure C 18 Option 28 Firmware Setup Procedure ...

Страница 180: ...cations Phase angle in all messages is defined as zero or 360 for the positive going zero crossing coincident with 1 PPS GPS and is scaled between zero and 360 degrees Phase angle increases with frequency below nominal 50 or 60 Hz and decreases with frequency above nominal in other words if the zero crossing occurs just after 1 PPS GPS the phase angle will be just above zero and if the zero crossi...

Страница 181: ...ency Return System Frequency Deviation Command FD FD returns the system frequency deviation Response SS f fffC Where SS UTC seconds f fff frequency Return System Phase Command PS PS returns the system phase Response SS ppp ppC Where SS UTC seconds ppp pp phase 0 to 360 degrees Return System Time Deviation Command TD TD returns the system time deviation Response SS tt ttttC Where SS UTC seconds tt ...

Страница 182: ...mmand SM SM returns the Option 28 system status Response hC Where h 0 System OK 1 No System Reference 2 System okay now but reference lost since last request Start Broadcast Mode Vorne Command B2 B2 configures RS 232 broadcast mode to support Vorne large format time displays Data is transmitted ahead of time and the BEL character is transmitted on time When properly configured the Vorne display up...

Страница 183: ... in the same data stream 33 s ss and 34 sss sss Output for the 33 s ss format will be 9 bb when the measured value exceeds 9 99 b blank It will be 9 bb when the measured value is less than 9 99 Output for the 34 sss sss format will observe the following conventions for out of range values and leading blanks Decimal points are implicit and do not appear in the data stream Time Deviation Range Forma...

Страница 184: ... vvC Where mm dd yyyy Date hh mm ssU Time of Day UTC or hh mm ssL Time of Day Local ss Status first character is Reference Status 0 Locked 1 Unlocked second character is clock status per IEEE 1344 f fff signed Frequency Error in Hz t tttt signed Time Deviation in seconds ppp pp Phase Angle 0 to 360 degrees vvv vv Line voltage rms Volts Set Measured System Deviation Command s fsRD s fsRD sets the s...

Страница 185: ... Time Frequency and Phase Deviation with a UTC time reference at each issuance of the command Response when n 0 mm dd yyyy hh mm ssU ss f fff t tttt ppp ppp vvv vvC when n 1 mm dd yyyy hh mm ssL ss f fff t tttt ppp ppp vvv vvC Where mm dd yyyy Date hh mm ssU Time of Day UTC or hh mm ssL Time of Day Local ss Status 0 Locked 1 Unlocked first character is Reference Status second character is clock st...

Страница 186: ... 4 position mating connectors provided The connec tors accept wire sizes of 0 25 to 2 5 mm2 AWG 12 to 22 See Table C 12 and Figure C 20 for Connector Configuration Digital Outputs Quantity 4 Type 5 V CMOS individually configurable Rating 5 V open circuit nominal 75 mA peak current per channel 3 5 V typical at 75 mA peak current Available Signals Jumper selectable to any of the digital signals avai...

Страница 187: ...unded load 4 25 50 VDC with contact closure to ground for non grounded load See Table C 11 Operating Modes of SSR Outputs Mode SSR Output 1 SSR Output 2 Dry Contact Closure Connect load to pins 10 11 polarity not important Connect load to pins 14 15 polarity not important Contact Closure to Ground Short pins 9 10 connect load to pin 11 Short pins 13 14 connect load to pin 15 25 50 VDC Switched to ...

Страница 188: ... Output 2 JMP6 Signal Select Default 1 PPM 15 SSR Output 2 JMP8 Standard 50 ms Default 50ms 16 Leftmost 25 50 VDC 2 JMP11 25 50 VDC Default 50 VDC Table C 12 Option 29 Output Connectors and Setup Jumpers C 17 3 Firmware Configuration 1 It is necessary to verify the configuration in the Option Setup Menu so Option 29 is recognized 2 Apply power and observe the front panel display when it displays C...

Страница 189: ... the power cord from rear panel 2 Remove rack mount ears if equipped and remove top cover using a T25 Torx driver 3 Locate the appropriate Jumper using Figure C 19 and move the jumper to the desired setting 4 Replace the top cover and rack mount ears if equipped 5 Connect the power cord to the rear panel and power the clock ON Figure C 19 Option 29 Jumper Locations ...

Страница 190: ...170 Options List Figure C 20 Option 29 Connector Signal Locations ...

Страница 191: ...is not used the controller can typically be used for hundreds of clients without overloading it Au thentication requires typically 40 ms for checking and generating the cryptograms which is covered and averaged out by the protocol Option 32 33 supports full SNTP and all NTP functions required for reliable server operation Functions not required for server operation are not implemented Hardware Con...

Страница 192: ...n powered on After the initial self test phase where all status LEDs should be lit the LED s indicate the status of the NTP Server Link LED Link green LED on Ethernet 10 100 base T connection is good Synch LED Synch green LED on synchronized to the time signal correct reception of time data requires the satellite controlled clock to be synchronized Synch LED flashing 50 duty cycle Some information...

Страница 193: ...ition Option Mode Rev B and following Rev A Board Modes JMP1 A Determined by Model 1088B same B Det by Model 1084A B C or 1093A B C same JMP2 A NTP Server s same B Clock serial port same C Configure NTP Server 1 via RS 232 only same D Configure NTP Server 2 via RS 232 only same JMP3 A NTP Server s same B Clock serial port same C Configure NTP Server 1 via RS 232 only same D Configure NTP Server 2 ...

Страница 194: ...nfigure the NTP module over the network establish a Telnet connection to port 9999 If the IP address of the NTP Server NTS is unknown or undefined the following sets a temporary IP address a Set a static ARP with the desired IP address using the hardware address of the NTS which is printed on the product label Alternately you can calculate the address from the serial number Below is the command ex...

Страница 195: ...bled TFTP Download is enabled Port 77FEh is enabled ECHO is enabled NTS parameters Antenna Type GPS Arbiter Encryption is disabled Sending UDP datagram to Port 024C hex every 000 minutes Send UDP datagram to Change Setup 0 Basic configuration 1 NTS configuration 6 Security 7 Factory defaults 8 Exit without save 9 save and exit Your choice Serial An ASCII terminal or PC with a terminal emulation ca...

Страница 196: ...4 net host class B 16 16 class C 24 8 bits If set to 0 the standard appropriate net mask for the actual IP address is used The NTS prompts for the number of host bits and then calculates the net mask It is shown in standard format 255 255 xxx xxx when parameters are displayed Telnet Config Password The Telnet configuration password can be set to disable unauthorized access to the setup menu throug...

Страница 197: ...e entered key numbers 1 7 All key input must be done in hexadecimal format MD5 key length is limited to eight characters When leaving the setup mode after selecting function 9 all parameters are stored in a nonvolatile memory and the NTP server resets Select 8 to exit without saving modifications ...

Страница 198: ...n via DES and MD5 cryptographic checksums as defined in RFC 59052 Option 34 supports symmetric key au thentication Time is distributed over the network interface to computers controllers and other equipment needing the correct time Option 34 allows a secure connection to configure using either the preferred HTTPS Web Interface or using the SSH Console Precision Time Protocol PTP Server Option 34 a...

Страница 199: ...ps power cycle the clock Default Port Addresses By default Option 34 comes configured as follows Port 1 IP address STATIC 192 168 0 232 Netmask 255 255 255 0 Gateway xxx xxx xxx xxx Port 2 IP address DHCP xxx xxx xxx xxx Selecting Option 34 in Clock Before you can use Option 34 in your clock make sure that it is selected as an option Selection may be checked at the front panel for Models 1084B C 1...

Страница 200: ...ill return dashes for the IP address of that port The MAC address will still be returned as illustrated below NET1 192 168 000 232 64 73 E2 XX XX XX NET2 64 73 E2 XX XX XX NTP Status Display Indications GPS Clock and Server Stabilizing During the stabilization process the clock will display different status messages that indicate whether the NTP server is ready to serve time Clock stabilization re...

Страница 201: ...ET1 192 168 000 232 64 73 E2 XX XX XX To Determine IP Address for 1093A 1084A For clocks without a display type IP at the terminal window as explained in Section C 19 2 and the clock should return the IP and MAC addresses for both ports in separate lines Option 34 LED Indications To view the Option 34 Status LEDs see the Option 34 rear panel The figure and Table C 15 below describe the indications...

Страница 202: ...se that one 3 Press the ENTER key which should open the web interface login as seen below Username Password Login 4 Type in the Username and Password The Username is clockoption and the default Password is password 5 Click the Login button If you typed in the correct Username and Password the web interface should appear as shown in Figure C 23 The IP Address By default Net1 Ethernet port is set to...

Страница 203: ...et Time Quality NTP PTP SNMP SNMP Traps Temperature 01 May 2013 15 01 14 PDT 158 us Locked Running Enabled Running Enabled Running Enabled o 33 4 C Figure C 23 Startup Page System Configure Page Figure C 24 illustrates the System configuration page for Option 34 It includes configuring for HTTP or HTTPS see next section enabling session time outs for the web interface and console responding to pin...

Страница 204: ...System Configure Page System Configure HTTPS Page To configure the HTTPS page follow these instructions Figure C 25 shows how configuring for HTTPS protocol opens up a dialog to upload a PEM file to the Option 34 system After opening the System Configuration page shown in Section C 19 2 click the HTTPS button and it will open the PEM file dialog shown in Figure C 25 Notice that the ports have chan...

Страница 205: ...click the Choose File button shown in Figure C 27 This should open your file browser in which you should be able to locate the file package obtained from Arbiter Systems Click the Update button and the file should load to the Option 34 After uploading the package the Option 34 must be rebooted for the changes to take effect Upload Reset Upload Package File Choose File no file selected Figure C 27 ...

Страница 206: ...tandard data traffic statistics Option 34 Network Time Module Status Configure NTP PTP SNMP Clock System Support Logout Network Ethernet Port 1 IP Address 10 10 1 59 MAC Address 64 73 E2 00 00 0B Bytes Packets Errors Dropped 746214455 9503596 20 34534 98631446 1026146 11 0 Rx Tx Ethernet Port 1 IP Address 192 168 0 65 MAC Address 64 73 E2 00 00 0C Bytes Packets Errors Dropped 0 0 0 0 1692476 24730...

Страница 207: ...TP PTP SNMP Clock System Support Logout Network Ethernet Port 1 MAC Address 64 73 E2 00 00 0B Mode DHCP Static Enable VLAN Ethernet Port 2 MAC Address 64 73 E2 00 00 0C Mode DHCP Static Address Netmask Gateway Enable VLAN Apply Reset 192 168 0 65 255 255 255 0 Figure C 30 Configure Network Settings Configure VLAN To configure VLAN network settings follow these instructions Check the box to the lef...

Страница 208: ...02 May 2013 14 18 03 PDT Time Quality Satellites Tracked Satellites Visible Leap Seconds Current GPS UTC Offset Status Locked 10 10 16 Not Pending Figure C 32 View Operation SNMP Status View this web interface page to check the SNMP status as illustrated in Figure C 33 For additional detail on SNMP in the Model 1084A B C see SNMP Support in Section C 19 4 Option 34 Network Time Module Status Confi...

Страница 209: ... System Time Set System Time Change Zero Satellites Visible NTP Application Start NTP Application Stop PTP Application Start PTP Application Stop SNMP Application Start SNMP Application Stop Trap Receivers IP Address 1 IP Address 2 IP Address 3 10 10 1 236 Apply Reset Figure C 34 SNMP Configuration Page Checking the box enables the specific item unchecking disables the specific item in the SNMP Co...

Страница 210: ...nd the Status tab above 35 is the Current UTC PTP Offset in seconds Figure C 35 illustrates the status of PTP Option 34 Network Time Module Status Configure NTP SNMP Clock Network System Support Logout PTP PTP Service Current UTC PTP Offset Enabled Running 35 Figure C 35 PTP Status Page ...

Страница 211: ... Hide Advanced seconds seconds seconds seconds Figure C 36 PTP Configuration Page PTP Terms Domain a collection of one or more PTP subdomains A subdomain is a logical grouping of 1588 clocks that synchronize to each other using the PTP protocol but that are not necessarily synchronized to PTP clocks in another PTP subdomain Subdomains provide a way of implementing disjoint sets of clocks sharing a...

Страница 212: ... NTP Status Page To view the NTP service select NTP tab on the left and the Status tab above Figure C 37 illustrates the status of NTP Option 34 Network Time Module Status Configure NTP PTP SNMP Clock Network System Support Logout Authentication NTP Root Dispersion Offset Frequency System Jitter Clock Jitter Clock wander Stratum Running 0 420 0 063 1 337 0 009 0 008 0 001 1 Figure C 37 NTP Status ...

Страница 213: ...atum the level of each server in the hierarchy is defined by a stratum number Primary servers are assigned stratum one NTP Configure To configure NTP follow these instructions Figure C 38 illustrates the NTP configuration page Choices for the NTP Version include Versions 1 2 3 and 4 Multicast and Broadcast addresses may be typed in the assigned boxes Option 34 Network Time Module Status Configure ...

Страница 214: ...revents them from updating the local clock NTP authentication is disabled by default Option 34 Network Time Module Status Configure NTP PTP SNMP Clock Network System Support Logout Authentication Apply Reset M Enable Authentication M M M M Key Table ID Format Key Trusted Figure C 39 NTP Authentication Page There are four authentication formats S N A M with different rules for each of the keys For ...

Страница 215: ...es CA 93446 805 237 3831 800 321 3831 US Canada Mexico only Mon Thu 7 00am 5 30pm Pacific Time www arbiter com techsupport arbiter com Option 34 Network Time Module Contact Version NTP PTP SNMP Clock Network System Support Logout Web Management Core Modules Option 34 35 Auth01 Option 34 35 Data Server Firmware Hardware Option 34 Startup App System Monitor CLOI Arbiter 1093 Board 01 462 1 4 1 4 1 4...

Страница 216: ...s provides an overview of the operation of the Option 34 NTP PTP servers Figure C 41 illustrates the opening page Status Configure Password Update Reboot System Time 11 24 17 04 19 2011 System Time Offset 114us Time Quality Locked NTP Running PTP Enabled Running SNMP Enabled Running SNMP Traps Enabled Temperature 33 3C ARBITER SYSTEMS Option 34 Network Time Module NTP PTP SNMP Clock Network System...

Страница 217: ...ting your time zone Time zone setting only changes the time as it is read on the clock display Just as the receiving device must convert the NTP PTP time as it arrives at the device to local time zone so the clock can display local time Status Configure Password Update Reboot Web Interface HTTP HTTPS Port 443 PEM File Download Replace Enable Session Timeout Console Interface Enable Session Timeout...

Страница 218: ...eep it in a safe place Status Configure Password Update Reboot Current Password New Password Confirm New Password Apply Reset ARBITER SYSTEMS Option 34 Network Time Module NTP PTP SNMP Clock Network System Support Logout Computer Name or IP address ssh 80x24 Figure C 43 Configure System Password Using SSH System Update Use the Web Interface to perform any update For more information see Section C ...

Страница 219: ...s MAC addresses and some standard data traffic statistics Status Configure Ethernet Port 1 IP Address 10 10 1 184 Hardware Address 64 73 E2 00 17 38 Bytes Packets Errors Dropped Rx 2649123 39782 0 110 Tx 1554398 11894 5 0 Ethernet Port 2 Not Active IP Address Hardware Address 64 73 E2 00 17 39 Bytes Packets Errors Dropped Rx 0 0 0 0 Tx 0 0 0 0 ARBITER SYSTEMS Option 34 Network Time Module NTP PTP ...

Страница 220: ...17 38 DHCP Static Enable VLAN Ethernet Port 2 Hardware Address 64 73 E2 00 17 39 DHCP Static IP Address 10 10 1 185 Netmask 255 255 0 0 Gateway X Enable VLAN VLAN ID 123 VLAN Priority 2 Apply Reset ARBITER SYSTEMS Option 34 Network Time Module NTP PTP SNMP Clock Network System Support Logout Computer Name or IP address ssh 80x24 Figure C 45 Configure Network Settings Using SSH Enable VLAN From Fig...

Страница 221: ...ime Quality Locked Satellites Tracked 10 Satellites Visible 10 Leap Seconds Current GPS UTC Offset 16 Status Not pending Figure C 46 View Operation Using SSH SNMP Status Use the cursor keys to select SNMP then Status and press ENTER to view the SNMP status as illustrated in Figure C 47 Status Configure SNMP Service Enabled Running SNMP Traps Enabled ARBITER SYSTEMS Option 34 Network Time Module NT...

Страница 222: ...s Page Using SSH Configure PTP Service Please use the Web Interface to configure PTP See Section C 19 2 for more information NTP Status Page Use the cursor keys to select NTP then Status and press ENTER Figure C 49 illustrates the status page for NTP Status Configure NTP Enabled Running Root Dispersion 0 451 Offset 0 095 Frequency 8 623 System Jitter 0 008 Click Jitter 0 010 Clock Wander 0 001 Str...

Страница 223: ...offset of the clock Clock wander is the RMS of exponentially weighted frequency differences This is not used directly but can along with the jitter be a highly useful monitoring and debugging tool Stratum the level of each server in the hierarchy is defined by a stratum number Primary servers are assigned stratum one NTP Configure To configure NTP follow these instructions Use the cursor keys to s...

Страница 224: ...cal clock NTP authentication is disabled by default Status Configure Authentication X Enable Authentication Key Table ID Format Key Trusted M Apply Reset M M M M ARBITER SYSTEMS Option 34 Network Time Module NTP PTP SNMP Clock Network System Support Logout Computer Name or IP address ssh 80x24 Figure C 51 NTP Authentication Page Using SSH There are four authentication formats S N A M with differen...

Страница 225: ...EMS Option 34 Network Time Module NTP PTP SNMP Clock Network System Support Logout Computer Name or IP address ssh 80x24 Contact Version Console UI Core 1 4 Modules Option 34 35 1 4 Auth01 1 4 Option 34 35 Data Server 1 4 Firmware Hardware Option 34 2 1 Startup App 1 1 System Monitor 1 1 CLOI 1 2 Arbiter 1084 07 May 2013 Board 01 462 01 e 1244012 ARBITER SYSTEMS Option 34 Network Time Module NTP P...

Страница 226: ...he NMS to set the values of the object instances within an agent TrapUsed by agents to asynchronously inform the NMS of a significant event SNMP v2 Additional Operations and Features GetBulkUsed by the NMS to efficiently retrieve large blocks of data InformAllows one NMS to send trap information to another NMS and to then receive a response SNMP v3 Security Enhancement User based Security Model US...

Страница 227: ...raps At the bottom are three boxes for IP addresses designated as trap receivers where trap messages may be sent SNMP Configuration Reference Listed below are the configurable options available for snmp traps Trap events will only be sent out if the Trap Receivers are selected and identified by a valid IP address Enable SNMP Service Select this item to make the snmp service active Enable SNMP Trap...

Страница 228: ...SNMP agent that runs on Option 34 is also available for download and use in the Model 1084A B C The MIB table is normally loaded in a MIB browser and the agent is normally uploaded into the Option 34 ARBITER ALL MIB Revision 0 0003 3 DEC 2012 ARBITER ALL MIB DEFINITIONS BEGIN IMPORTS MODULE IDENTITY OBJECT TYPE enterprises Integer32 Unsigned32 FROM SNMPv2 SMI TEXTUAL CONVENTION TruthValue FROM SNM...

Страница 229: ...TP server arbiter 3 ntpsys OBJECT IDENTIFIER ntp 1 ntptrap OBJECT IDENTIFIER ntp 2 Textual Conventions MilliUnits TEXTUAL CONVENTION DISPLAY HINT d 3 STATUS current DESCRIPTION SYNTAX INTEGER MicroUnits TEXTUAL CONVENTION DISPLAY HINT d 6 STATUS current DESCRIPTION SYNTAX INTEGER General Device Information sysDevLabel OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION ...

Страница 230: ...rent DESCRIPTION The device model device 4 version OBJECT IDENTIFIER device 5 sysDevVerLabel OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 1 sysDevVerCore OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 2 sysDevVerMonitor OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS cu...

Страница 231: ... 6 sysDevVerPTP OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 7 sysDevVerSNMP OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model version 8 sysDevClockModel OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION The device model device 6 sysDiagLabel OBJECT TYPE SYNTAX O...

Страница 232: ...ION The operational status of NTP diag 4 rec1 OBJECT IDENTIFIER gnss 1 gnssRec1Label OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION String identifier for receiver 1 rec1 1 gnssRec1Type OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS read only STATUS current DESCRIPTION Receiver 1 GNSS system type rec1 2 gnssRec1SatsVisible OBJECT TYPE SYNTAX Integer32 MAX ACCESS read on...

Страница 233: ...m shutting down systrap 2 systrapAdminLogin OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION System administrative login systrap 3 systrapAdminLogout OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION System administrative logout systrap 4 systrapTimeQuality OBJECT TYPE SYNTAX INTEGER32 MAX ACCESS accessible for no...

Страница 234: ...AX ACCESS read only STATUS current DESCRIPTION the current local time Local time is derived from the hardware clock of the particular machine and increments at intervals depending on the design used ntpsys 3 ntpSysOffset OBJECT TYPE SYNTAX Integer32 MAX ACCESS read only STATUS current DESCRIPTION ntpsys 4 ntpSysFreq OBJECT TYPE SYNTAX MilliUnits MAX ACCESS read only STATUS current DESCRIPTION ntps...

Страница 235: ...ad only STATUS current DESCRIPTION the maximum error relative to the primary reference source at the root of the synchronization subnet in seconds Only positive values greater than zero are possible ntpsys 10 ntpSysLeap OBJECT TYPE SYNTAX Integer32 MAX ACCESS read only STATUS current DESCRIPTION two bit code warning of an impending leap second to be inserted in the NTP timescale ntpsys 11 ntpSysSt...

Страница 236: ...ized the value is zero ntpsys 14 ntptrapPowerUp OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION NTP server powering up ntptrap 1 ntptrapShutDown OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify STATUS current DESCRIPTION NTP server shutting down ntptrap 2 ntptrapSynchronized OBJECT TYPE SYNTAX OCTET STRING MAX ACCESS accessible for notify...

Страница 237: ...ed ASCII string In the case of stratum 2 and greater secondary reference this is the four octet Internet address of the peer selected for synchronization ntpSysRefTime the local time when the local clock was last updated If the local clock as never been synchronized the value is zero ntpSysPoll the minimum interval between transmitted messages in seconds as a power of two For instance a value of s...

Страница 238: ... Two Ethernet Version 2 0 IEEE 802 3 10 100BT or multimode SSF modules Protocols NTP SNTP PTP IEEE 1588TM 2008 UDP ICMP SNMP TCP SSH SCP SSL HTTP HTTPS Operator Interface Management Web and SSH Console Status LEDs Sync green Fault red Link green 10baseT yellow 100baseT Setup IP number DHCP or Static Net Mask Reference Identifier UDP Broadcast parameters MD5 and DES authentication keys are optional...

Страница 239: ...y might look like the following BEGIN RSA PRIVATE KEY MIICXgIBAAKBgQDPoNigXmq2JAlw9DrD0P5Og5c5xsEnt9bPjfuE7MGkDEGN09sC more data 8Xxzzgu4xizBdLmONkHu7b h7GL6u5smkWVOCesCCR0mKw END RSA PRIVATE KEY Step 2 Generate a Certificate Signing Request CSR The following command will generate a CSR certificate signing request file using the private key generated in Step 1 OpenSSL will prompt for several piece...

Страница 240: ...ire contents of the file including the BEGIN and END tags with the dashes into the vendor s web form Once the purchase has been completed and other verification steps completed this will vary from vendor to vendor they will provide you with a certificate file You may skip to Step 4 Step 3B Generate a Self Signed Certificate If you do not need a commercially purchased certificate the following comm...

Страница 241: ...ST3 Central Australian Standard CAS 9 30CAD Eastern Standard Brazil EST3EDT Japan Standard Time JST 9 Greenland Standard Time GST3 Korean Standard Time KST 9KDT Newfoundland Standard Time NST3 30NDT China Coast Time CCT 8 Atlantic Standard Time AST4ADT Hong Kong Time HKT 8 Western Standard Brazil WST4WDT Singapore Standard Time SST 8 Eastern Standard Time EST5EDT Western Australian Standard WAS 8W...

Страница 242: ...eries resistance Available Outputs Note Available on Model 1084A B C are shown in Ta ble C 16 IRIG B IRIG format B time code unmodulated C 20 3 Changing Outputs via Internal Settings Case Removal To change the configuration of Option 36 the top cover of the instrument must be removed Turn off the instrument and disconnect the power cord Using a T 25 Torx driver remove the four screws holding the c...

Страница 243: ...nction jumper to position 3 Mode Selection Jumpers JMP9 JMP10 JMP11 JMP12 control the signal driver for each output analog or digital Make sure to select these output mode jumpers for each output For each output position A selects a digital driver and position B selects an analog driver The table below indicates the correct jumper for each output Desired Output Connector Mode Jumper J2 JMP9 J3 JMP...

Страница 244: ...20 21 22 JMP1 JMP2 JMP3 JMP4 J1 Arbiter Systems Inc Assembly Number LB0050300 Rev __ A B A B A B A B Figure C 53 Option 36 Jumper Configuration If IRIG B is chosen as the output signal then each selected output should produce a waveform very similar to one of the drawings in Figure C 54 below ON TIME 1 PPS IRIG B003 B004 REFERENCE REFERENCE IRIG ZERO IRIG B123 B124 IRIG ONE Start of next second in...

Страница 245: ...PPS 8 A 100 kPPS 9 A 10 kPPS 10 A 1 kPPS 11 A 100 PPS 12 A 60 PPS 13 A 50 PPS 14 A 10 PPS 15 A IRIG D 1 PPM 16 A 1 PPM 17 A 1 PPS 18 A Programmable Pulse 19 A Out of Lock 20 A IRIG B Mod Manch 21 A No Connection 22 A Table C 16 Option 36 Output Connector Jumper Settings Not available on the Model 1084A B C NOTE If any of the jumpers were changed replace the cover to the chassis before returning to...

Страница 246: ...226 Options List ...

Страница 247: ...Appendix D CE Mark Certification D 1 Introduction On the following pages contain the individual CE Mark Certifications for models covered in this manual This includes Model 1084A 1084B 1084C ...

Страница 248: ... Harmonized EN55011 Class A Radiated and Conducted Emissions Standard EN50082 1 Generic Immunity Part 1 Referenced Residential Commercial and Light Industrial Environments EN61010 1 Safety requirements of Electrical Equipment for Measurement Control and Laboratory Use Signed Signatory Bruce H Roeder This certificate declares that the described equipment conforms to the applicable requirements of t...

Страница 249: ...rmonized EN55011 Class A Radiated and Conducted Emissions Standard EN50082 1 Generic Immunity Part 1 Referenced Residential Commercial and Light Industrial Environments EN61010 1 Safety requirements of Electrical Equipment for Measurement Control and Laboratory Use Signed Signatory Bruce H Roeder This certificate declares that the described equipment conforms to the applicable requirements of the ...

Страница 250: ... Harmonized EN55011 Class A Radiated and Conducted Emissions Standard EN50082 1 Generic Immunity Part 1 Referenced Residential Commercial and Light Industrial Environments EN61010 1 Safety requirements of Electrical Equipment for Measurement Control and Laboratory Use Signed Signatory Bruce H Roeder This certificate declares that the described equipment conforms to the applicable requirements of t...

Страница 251: ...Appendix E Statement of Compliance E 1 Introduction The following page is a statement of compliance that includes Model 1084A 1084B and 1084C ...

Страница 252: ...e products are available with all known time synchronization signals presently in use world wide by the electric power industry Arbiter Systems does not supply a type test certificate as requested for G P S systems as the accuracy is a function of the G P S system and not of the receiver However we Arbiter hereby certify that this equipment conforms to all Arbiter Systems Incorporated specificatio...

Страница 253: ...B 101 C 103 D 189 E 193 cable accessory 22 adjacent signal interference 23 delays 58 distance 55 physical protection 22 timing output 55 user supplied 23 wire losses 57 CE mark certifications 189 chapter list v comm ports 63 command key definitions 6 configure begin 30 firmware setup 29 settings auto survey 48 back light 37 broadcast 33 daylight saving time 35 event deviation 47 irig time data 46 ...

Страница 254: ... inlet power 12 IRIG B IEEE 1344 description 54 initial indication 90 modulated voltage matching 57 timecode description 53 unmodulated 53 waveform comparison 53 IRIG B Time code types 53 issuance ii keys description 7 Down 8 Enter 8 Event Deviation 8 Position 8 Setup 8 Status 8 Time 8 Up 8 latitude display 92 LCD display 7 LED annunciator definitions 6 status indicators 7 longitude display 92 mou...

Страница 255: ...SCII Quality 67 broadcast ASCII Std 65 broadcast Event Data 66 broadcast Extended ASCII 67 broadcast NMEA183 GLL 68 broadcast NMEA183 ZDA 69 broadcast Status 66 broadcast strings 65 broadcast Vorne Std 65 broadcast Year ASCII 68 broadcast interrogate 65 clear event buffer 70 clock offset set 84 Configure Option 23 144 DST Summertime activate 75 return settings 75 start time 75 stop time 75 enable ...

Страница 256: ...cal time 77 set longitude 78 set receiver time 81 set UTC time 77 Status clock 71 EEPROM 72 receiver 72 status of event deviation 71 survey 73 system 73 time quality 74 survey mode 80 serial port output symbols 64 pin definitions 86 99 Setup menu list 30 signal output description 53 SNTP see NTP Server startup sequence 87 Statement of Compliance 193 status display indication 89 support request iii...

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