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Trimble Outdoors AcutimeTM2000 Synchronization Kit, Part Number 45005-00-ENG - page 88

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6-20 Acutime 2000 Synchronization Kit User Guide

NTP Software Installation and Configuration 6

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Contents

Main Timing and Synchronization Group User Guide, part number 45005-00-ENG. It Page Page Contents About This Manual 1 Introduction 2 Getting Started 3 Acutime 2000 Installation 4 Acutime 2000 Connections 5 System Operation 6 NTP Software Installation and Configuration A Trimble Standard Interface Protocol B Timing Receiver Monitor C NMEA 0183 D Specifications and Drawings E NTP Diagnostics and Debugging F Theory of Operation Glossary Index List of Figures Page List of Tables Page Page Page Page Page About This Manual ! Scope and Audience Organization Reader Feedback Related Information Technical Assistance Abbreviations Document Conventions Page 1 Introduction 1.1 Overview 1.2 Acutime 2000 GPS Smart Antenna Features 1 1.3 Starter Kit 2 Getting Started ! Page 2 2.2 Connecting the Computer and Power Source PC Page Page Page 3 3.2 Mounting the Smart Antenna " 3 3.3 Routing and Securing the Interface Cable ! Page Page 4.1 Interface and Power Connections Acutime 2000 Synchronization Kit User Guide 4-3 Figure 4-2 illustrates the pin arrangement for this connector. Figure 4-2 Acutime 2000 12-pin Connector format 4.2 Interface Cables and Connectors 4.2.1 Pin-Outs ! Table 4-3 Acutime 2000 RS-232 Cable Pin-Out 4.3 Connection Instructions 4.3.1 Power Connection (Red and Black Wires) # ! 4.3.2 Timing Pulse Connections 4.3.3 Serial Port Connections 4.3.4 Event Input Page 5 System Operation 5.1 Start-Up ! 5.2 Automatic Operation 5.2.1 Satellite Masks ! 5.2.2 Tracking Modes ! Page 5.2.3 PPS Output Options ! 5.2.4 PPS Quantization Error Page 5.2.5 External Event Input 5.2.6 Cable Delay Compensation 5.3 Serial Data Communication 5.3.1 Port B 5.3.2 Port A (Timing) Page 5.4 GPS Timing 5.4.1 Timing Operation ! 5.5 Using the Acutime 2000 in Mobile Applications ! 5.6 Customizing Acutime 2000 Operations Table 5-2 Receiver Configuration (segment 2) Table 5-3 OEM Configuration (segment 3) Table 5-4 Port A and B Configuration (segment 4) Table 5-5 PPS Configuration (segment 5) Table 5-6 Position Information (segment 6) Page Page 6 NTP Software Installation and Configuration 6.1 Network Time Protocol ! 6.1.1 NTP Time Servers 6.2 Software Sources and Compatibility 6.2.1 Installation Support 6.3 Pre-Installation Check List 6.3.1 GPS Preparation ! 6.3.2 Host System Preparation Page 6.4 Time Transfer Cable Connection ! Page Page 6.5.1 NTP Configuration File ! 6.5.2 Acutime Configuration 6.5.3 Network Server Selection Page 6.6 Windows NT Installation ! 6.6.1 Automatic Installation 6.6.2 Manual Installation ! Page Page Page Page 6.6.3 Starting the Service Page 6.7.1 Create the Configuration File 6.7.2 Set Up Device Links Page 6.7.3 Hardware Configuration 6.7.4 Copying Executable Files Page 6.7.6 Start NTP 6.8 Monitoring NTP 6.8.1 NTP Events on Windows NT Page 6.8.2 UNIX System Log Files 6.8.3 NTPQ The NTP Query Utility Page Page Page A Trimble Standard Interface Protocol A.1 Interface Scope A.1.1 Packet Structure ! A.2 Physical Interface Characteristics A.2.1 Nomenclature A.2.2 Protocol Capabilities Page A.2.3 Event Input A.3 Packets Output at Power-Up A.4 Receiver Warm Start A.5 Default Background Packets for Acutime 2000 ! A.8 Low-Latency Timing Packets ! A.9 Event Packets A.10 Satellite Data Packets A.11 Customizing Receiver Operations The following packets let you customize receiver operations. Table A-13 Advanced Packets A.12 Command Packets Sent to the Receiver Table A-14 Command Packets Sent to the Receiver (Continued) A.13 Report Packets Sent by the GPS Rec eiver to the User Table A-15 Report Packets Sent by GPS Receiver to User (Continued) Page A.14 Packet Structure <DLE> <id> <data string bytes> <DLE> <ETX> ! A.15 Packet Descriptions 0x1D Oscillator Offset ! 0x1E Initiate Cold or Factory Reset " 0x1F Software Versions Request 0x20 Almanac Request 0x21 Current Time Request 0x23 ! 0x26 Health Request 0x27 Signal Levels Request 0x28 GPS System Message Request 0x29 ! 0x2B Initial Position (Latitude, Longitude, Altitude) Command 0x2D Oscillator Offset Request 0x2E GPS Time Command 0x2F UTC Parameters Request 0x31 Page 0x32 Accurate Initial Position (Latitude, Longitude, Altitude) Command 0x34 Satellite Number For One-Satellite Mode Command 0x35 I/O Option Flags Command Table A-22 Command Packet 35 Page Page Page 0x37 Last Position and Velocity Request 0x38 Download and UpLoad Satellite System Data " Table A-23 Command Packet 38 0x39 Satellite Attribute Database Command " 0x3A Last Raw Measurement Request 0x3B Satellite Ephemeris Status Request 0x3C Satellite Tracking Status Request 0x3D Timing Port Configuration Command 0x3F-11 EEPROM Segment Commands 0x40 ! " ! 0x42 Single-Precision Position Fix, XYZ ECEF Report 0x43 Velocity Fix, XYZ ECEF Report 0x45 Software Version Information Report 0x46 Health of Receiver Report Table A-36 Report Packet 46 0x47 Signal Levels for all Satellites Report 0x48 GPS System Message Report 0x49 Almanac Health Page Report 0x4A Reference Altitude or Single-Precision LLA Position Fix Report " 0x4B Machine/Code ID and Additional Status Report 0x4C Operating Parameters Report 0x4D Oscillator Offset 0x4E GPS Time Change Acknowledgment 0x4F UTC Parameters Report 0x54 Bias and Bias Rate Report " 0x55 I/O Option Flags Report 0x56 Velocity Fix, East-North-Up (ENU) Report 0x57 Information About Last Computed Fix Report 0x58 Satellite System Data/Acknowledge from Receiver Table A-50 Report Packet 58 ALMANAC Data Report Table A-51 Report Packet 58 ALMANAC HEALTH Data Report Table A-52 Report Packet 58 IONOSPHERE Data Report Table A-53 Report Packet 58 UTC Data Report Table A-54 Report Packet 58 EPHEMERIS Data Report Table A-54 Report Packet 58 EPHEMERIS Data Report (Continued) 0x59 Satellite Attributes Database Report ! 0x5A Raw Measurement Data Report ! Page 0x5B Satellite Ephemeris Status Report Page 0x5C Satellite Tracking Status Report ( < Table A-58 Report Packet 5C (Continued) 0x5F-11 EEPROM Segment Status Reports 0x60 Type 1 Differential GPS Corrections Page 0x61 Set Differential GPS Corrections 0x6D All-In-View Satellite Selection Report 0x7A Set or Request NMEA Interval and Message Mask 0x7B NMEA Message Output 0x83 Double-precision XYZ Position Fix And Bias Information 0x84 " 0xBB Set Primary Receiver Configuration Page Page ! Table A-69 Command Packet BB (Continued) 0xBB Report Receiver Configuration 0xBC Set Port Configuration Parameters 0xBC Request Port Configuration Parameters Table A-70 Command Packet BC (Continued) Page 0x8E-0B Request or Configure Super Packet Output 0x8E-14 Set New Datum " 0x8E-15 Request Current Datum Values 0x8E-20 Request Last Fix with Extra Information ! 0x8E-26 Write Receiver Configuration to EEPROM 0x8E-41 Manufacturing Operating Parameters 0x8E-42 Production Parameters 0x8E-45 Revert Segments to Default Settings 0x8E-4A Set/Request PPS Characteristics 0x8E-4D Automatic Packet Output Mask Page 0x8E-4E Set PPS Output Option Table A-77 Command Packet 8E-4D - Packets Affected By Bits 0x8E-4F Set PPS Width 0x8E-A5 Set or Request Packet Broadcast Mask Page Table A-80 Command Packet 8E-A5 0x8E-A6 Issue Self-Survey Command 0x8E-A9 Set Self-Survey Parameters ! 0x8E-AB Request Primary Timing Packet 0x8E-AC Request Supplemental Timing Packet Page 0x8F-0B Comprehensive Time ! 0x8F-14 Current Datum Values ! 00x8F-20 Last Fix with Extra Information (binary fixed point) Table A-88 Report Packet 8F-20 Table A-87 Report Packet 8F-20 (Continued) 0x8F-26 Response to Save EEPROM Segments 0x8F-41 Manufacturing Parameters 0x8F-42 Production Parameters 0x8F-45 0x8E-AD Request or Configure Super Packet Output 0x8F-4A PPS Characteristics 0x8F-4D Automatic Packet Output Mask 0x8F-4E 0x8F-A5 0x8F-A6 0x8F-A9 0x8F-AB Page Table A-96 Report Packet 0x8F-AB 0x8F-AC Page Page The table below identifies the fields associated with packet 8F-AC. Table A-97 Report Packet 8F-AC Table A-97 Report Packet 8F-AC (Continued) 0x8F-AD Primary UTC Time Page Page A-126 Acutime 2000 Synchronization Kit User Guide A.18 Datums The table on the following pages lists datums. Table A-101 Datums Acutime 2000 Synchronization Kit User Guide A-127 A-128 Acutime 2000 Synchronization Kit User Guide Acutime 2000 Synchronization Kit User Guide A-129 A-130 Acutime 2000 Synchronization Kit User Guide Acutime 2000 Synchronization Kit User Guide A-131 Index DX DY DZ A-axis Eccent ricity Des cription A-132 Acutime 2000 Synchronization Kit User Guide Acutime 2000 Synchronization Kit User Guide A-133 A.19 Sample TSIP Routines Acutime 2000 Synchronization Kit User Guide A-135 Page Acutime 2000 Synchronization Kit User Guide A-137 Page B Timing Receiver Monitor B.1 Start-Up Page C NMEA 0183 C.1 The NMEA 0183 Communication Interface C.2 NMEA 0183 Message Format Page C.3 NMEA 0183 Message Options ! # C.4 NMEA 0183 Message Formats C.4.1 GGA GPS Fix Data C.4.2 GLL Geographic Position Latitude/Longitude C.4.3 GSA GPS DOP and Active Satellites C.4.4 GSV GPS Satellites in View C.4.5 RMC Recommended Minimum Specific GPS/Transit Data C.4.6 VTG Track Made Good and Ground Speed C.4.7 ZDA Time & Date ! " ! Table C-9 ZDA Time & Date Message Parameters Page D Specifications and Drawings ! D.1 Acutime 2000 GPS Smart Antenna Specifications Table D-2 Environmental Specifications Table D-3 Performance Specifications D Table D-3 Performance Specifications (Continued) Table D-4 Electrical Specifications Table D-5 Serial Protocols Page D-6 Specifications and Drawings D Part Number/Rev Level Label Wires 50' 6" 1.6"0.1" REF 4.0" 1.0" Pin 10 Pin 1 Pin 9 Pin 12 Pin 5 Page Page Page Page E.1.2 Error Log Entries Page Page Page Page E.2 Running NTP in Debug Mode Page ! E.2.3 Acutime is not Responding E.2.4 Running NTP with Event Polling Disabled ! Page Page E.2.5 Incorrect Port and Bad Data E.2.6 Serial Port is Unavailable E.3 Compiling the NTP Distribution Page Page Page E.4 Windows NT Administration E.4.1 Controlling the NTP Service E.4.2 Removing the NTP Service Page Page Page F Theory of Operation F.1 GPS Satellite Message F.2 Satellite Acquisition and Time to First Fix F.2.1 Cold Start F.2.2 Warm Start F.2.3 "Garage Search" Strategy F.2.4 Hot Start F.3 Position Accuracy F.3.1 Selective Availability (S/A) F.4 Coordinate Systems F.4 .1 T SI P F.4.2 NMEA 0183 F.5 Performance Characteristics F.5.1 Update Rate F.5.2 Dyn amic Limits F.5.3 Re-Acquisition Page F.6 System Architecture Acutime 2000 Synchronization Kit User Guide F-11 Figure F-1 Acutime 2000 Block Diagram (RS-232 Version) Figure F-2 Acutime 2000 Block Diagram (RS-422 Version) Page Glossary Page Page Page Page Page Page Page Page Page Page Page Index A C D E G H I M R S T U W Reader Comment Form