manuais Masterclock GPSPCI

Masterclock GPSPCI Manual do Utilizador (12 páginas)

Marca: Masterclock | Categoria: Módulos de receção GPRS | Tamanho: 0.29 MB |

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Índice

USER MANUAL

1

ADVISORY NOTICE

3

Masterclock GPSPCI Especificações (10 páginas)

Marca: Masterclock | Categoria: Módulos de receção GPRS | Tamanho: 0.12 MB |

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Índice

GPSPCI and GPSISA

1

TIME SYNCHRONIZATION CARDS

1

TABLE OF CONTENTS

2

ADVISORY NOTICE

3

INTRODUCTION

4

INITIAL OPERATION

4

NORMAL OPERATION

5

FREEWHEELING

5

HARDWARE

5

DB-9 CONNECTIONS

6

COMMUNICATING VIA RS-232

6

PRE-AMPLIFIED ANTENNA

6

PROBLEMS - TROUBLE SHOOTING

7

PC BOARD LAYOUT

7

SPECIFICATIONS

8

LIMITED WARRANTY

10

HARDWARE SERVICE

10

Masterclock GPSPCI Especificações (44 páginas)

Marca: Masterclock | Categoria: Módulos de receção GPRS | Tamanho: 1.80 MB |

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Índice

January 15, 2003

1

Contents

2

Introduction

4

Network Performance

5

Measurements Systems

5

2.1.3 Spirent Adtech AX/4000

6

2.1.4 Surveyor and RIPE

6

2.2.2 Network Time Servers

8

2.2.3 GPS Receivers

9

2.2.4 Sample implementations

10

2.3 Some observations

11

System Architecture

12

Network Under Test

14

3.3 Generating IP packets

15

3.4 The global clock system

15

The GPS-based Clock

17

Synchronization System

17

4.2 Description of the method

18

4.3 Testing the method

20

Traﬃc Generation

21

Programmable Network Cards

22

Hardware

22

Traffic Generator

22

Software

22

(a) Packet size (b) VLAN Id

24

Measurements and Results

25

Conclusions and Future Work

27

Bibliography

28

Installation

29

A.3 Cable connections

30

A.4 Software

30

A.4.1 The GPS card driver

31

A.4.4 Using the hs master

33

Implementation details

34

Port #4 − Write down (input)

35

B.2 GPS cards

36

B.3 Manager software

37

Results obtained during

38

GPS Synchronization HOW-TO

41

Appendix E

43

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