Resumen del contenido incluido en la página 1
™
Acutime 2000
Synchronization Kit
User Guide
Part Number 45005-00-ENG
Revision A
April 2001
F
Resumen del contenido incluido en la página 2
Corporate Office Copyright and Trademarks Trimble Navigation Limited © 2001, Trimble Navigation Limited. All rights Timing and Synchronization Group reserved. No part of this manual may be 645 North Mary Avenue copied, reproduced, translated, or reduced to Post Office Box 3642 any electronic medium or machine-readable Sunnyvale, CA 94088-3642 form for any use other than with the U.S.A. Acutime™ 2000 GPS Smart Antenna, or Phone: +1-408-481-8940, 1-800-545-7762 Acutime 2000 Synchronization
Resumen del contenido incluido en la página 3
Software and Firmware License, Limited Warranty Exclusions and Disclaimer Warranty These warranties shall be applied only in the event This Trimble software and/or firmware product and to the extent that: (i) the Products and (the “Software”) is licensed and not sold. Its use is Software are properly and correctly installed, governed by the provisions of the applicable End configured, interfaced, maintained, stored, and User License Agreement (“EULA”), if any, operated in accordance with Tri
Resumen del contenido incluido en la página 4
TRIMBLE NAVIGATION LIMITED IS NOT Notices RESPONSIBLE FOR THE OPERATION OR FAILURE OF OPERATION OF GPS SATELLITES Class B Statement – Notice to Users. This OR THE AVAILABILITY OF GPS SATELLITE equipment has been tested and found to comply SIGNALS. with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits Limitation of Liability are designed to provide reasonable protection against harmful interference in a residential TRIMBLE’S ENTIRE LIABILITY UNDER
Resumen del contenido incluido en la página 5
Contents About This Manual Scope and Audience . . . . . . . . . . . . . . . . . . . . . . . . xix Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx Reader Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . xxi Related Information . . . . . . . . . . . . . . . . . . . . . . . . xxii Update Notes . . . . . . . . . . . . . . . . . . . . . .
Resumen del contenido incluido en la página 6
Contents 3 Acutime 2000 Installation 3.1 Choosing a Location . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.2 Mounting the Smart Antenna. . . . . . . . . . . . . . . . . . . . 3-4 3.3 Routing and Securing the Interface Cable . . . . . . . . . . . . . 3-5 3.4 Connecting the Host System . . . . . . . . . . . . . . . . . . . . 3-6 4 Acutime 2000 Connections 4.1 Interface and Power Connections. . . . . . . .
Resumen del contenido incluido en la página 7
Contents 5.5 Using the Acutime 2000 in Mobile Applications . . . . . . . . . 5-15 5.6 Customizing Acutime 2000 Operations . . . . . . . . . . . . . . 5-16 6 NTP Software Installation and Configuration 6.1 Network Time Protocol. . . . . . . . . . . . . . . . . . . . . . . 6-1 6.1.1 NTP Time Servers . . . . . . . . . . . . . . . . . . . . .6-2 6.2 Software Sources and Compatibility . . . . . . . . . . . . . . . . 6
Resumen del contenido incluido en la página 8
Contents 6.8 Monitoring NTP . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31 6.8.1 NTP Events on Windows NT . . . . . . . . . . . . . . .6-32 6.8.2 UNIX System Log Files . . . . . . . . . . . . . . . . . .6-34 6.8.3 NTPQ – The NTP Query Utility . . . . . . . . . . . . .6-35 A Trimble Standard Interface Protocol A.1 Interface Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 A.
Resumen del contenido incluido en la página 9
Contents B Timing Receiver Monitor B.1 Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 B.2 Main screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 C NMEA 0183 C.1 The NMEA 0183 Communication Interface . . . . . . . . . . . . C-2 C.2 NMEA 0183 Message Format . . . . . . . . . . . . . . . . . . . C-2 C.3 NMEA 0183 Message Options . . . . . . . . . . . .
Resumen del contenido incluido en la página 10
Contents E.2.4 Running NTP with Event Polling Disabled . . . . . . . .E-12 E.2.5 Incorrect Port and Bad Data . . . . . . . . . . . . . . . .E-15 E.2.6 Serial Port is Unavailable . . . . . . . . . . . . . . . . .E-16 E.3 Compiling the NTP Distribution . . . . . . . . . . . . . . . . . . E-17 E.4 Windows NT Administration . . . . . . . . . . . . . . . . . . . . E-21 E.4.1 Controlling the NTP Service . . . . . . . .
Resumen del contenido incluido en la página 11
List of Figures Figure 1-1 Acutime 2000 GPS Smart Antenna Enclosure . . . . . . . 1-3 Figure 2-1 Connection Diagram . . . . . . . . . . . . . . . . . 2-3 Figure 3-1 Mounted Antenna . . . . . . . . . . . . . . . . . . 3-2 Figure 4-1 Acutime 2000 Interface Connector . . . . . . . . . . . 4-2 Figure 4-2 Acutime 2000 12-pin Connector format. . . . . . . . . . 4-3 Figure 5-1 PPS Qu
Resumen del contenido incluido en la página 12
List of Figures xii Acutime 2000 Synchronization Kit User Guide
Resumen del contenido incluido en la página 13
List of Tables Table 4-1 Mating Connectors . . . . . . . . . . . . . . . . . . . . . . . 4-4 Table 4-2 Acutime 2000 RS-422 Cable Pin-Out . . . . . . . . . . . . . 4-5 Table 4-3 Acutime 2000 RS-232 Cable Pin-Out . . . . . . . . . . . . . 4-6 Table 5-1 Default Satellite Mask Settings. . . . . . . . . . . . . . . . . 5-2 Table 5-2 Receiver Configuration (segment 2) . . . . . . . . . . . . . . 5-17 Table 5-3 OEM Configuration
Resumen del contenido incluido en la página 14
List of Tables Table A-11 Satellite Data Packets. . . . . . . . . . . . . . . . . . . . . . A-11 Table A-12 Customizing Receiver Operations . . . . . . . . . . . . . . . A-12 Table A-13 Advanced Packets . . . . . . . . . . . . . . . . . . . . . . . A-13 Table A-14 Command Packets Sent to the Receiver . . . . . . . . . . . . A-14 Table A-15 Report Packets Sent by GPS Receiver to User . . . . . . . . . A-16 Table A-16 Co
Resumen del contenido incluido en la página 15
List of Tables Table A-41 Report Packet 4B . . . . . . . . . . . . . . . . . . . . . . . . A-51 Table A-42 Byte 1 Bit Encoding – Status 1. . . . . . . . . . . . . . . . . A-51 Table A-43 Report Packet 4C . . . . . . . . . . . . . . . . . . . . . . . . A-52 Table A-44 Report Packet 4E . . . . . . . . . . . . . . . . . . . . . . . . A-53 Table A-45 Report UTC Parameters . . . . . . . . . . . . . . .
Resumen del contenido incluido en la página 16
List of Tables Table A-71 Command Packet 8E-14 . . . . . . . . . . . . . . . . . . . . A-87 Table A-72 Command Packet 8E-14 . . . . . . . . . . . . . . . . . . . . A-88 Table A-73 Command Packet 8E-20 . . . . . . . . . . . . . . . . . . . . A-89 Table A-74 Command Packet 0x8E-45 . . . . . . . . . . . . . . . . . . . A-90 Table A-75 Command Packet 8E-4A . . . . . . . . . . . . . . . . . . . . A-91 Table
Resumen del contenido incluido en la página 17
List of Tables Table A-101 Datums . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-126 Table C-1 NMEA 0183 Characteristics . . . . . . . . . . . . . . . . . . C-2 Table C-2 Acutime 2000 NMEA Messages . . . . . . . . . . . . . . . . C-4 Table C-3 GGA – GPS Fix Data Message Parameters . . . . . . . . . . C-5 Table C-4 GLL – Geographic Position – Latitude / Longitude Message Parameters . . . . . . . . . . .
Resumen del contenido incluido en la página 18
List of Tables xviii Acutime 2000 Synchronization Kit User Guide
Resumen del contenido incluido en la página 19
About This Manual Welcome to the Acutime 2000 Synchronization Kit User Guide. This manual describes how to integrate the Acutime 2000 smart antenna with your host system. Note The Acutime 2000 has replaced the Palisade and Palisade ! Network Time Protocol (NTP). It can be used with NTP (See Chapter 6) or as a stand-alone timing receiver. In some instances the term Palisade is still used in the screen captures and text in this manual. This will be updated in future revisions. Scope
Resumen del contenido incluido en la página 20
About This Manual Organization This manual contains the following: Chapter 1, Introduction, describes the Acutime 2000 GPS smart antenna. Chapter 2, Getting Started, describes how to quickly install, connect and operate the Acutime 2000. Chapter 3, Acutime 2000 Installation, provides general installation guidelines. Chapter 4, Acutime 2000 Connections, provides detailed interfacing guidelines for connecting the Acutime 2000 GPS smart antenna to the host system. Chapter 5, System