CHAPTER ONE
GENERAL INFORMATION
1.0 INTRODUCTION
This User’s Guide describes the installation and operation of the ExacTime ET6xxx Global
Positioning System (GPS) Time Code and Frequency Generator (TC&FG). Excluding options and
size, the only difference between the different configurations is the oscillator.
The following are the available configurations and their respective oscillators:
ET6000-TCXO 10MHz Voltage Controlled Temperature Compensated Crystal Oscillator.
ET6010-TCXO
ET6500-TCXO
ET6000-OCXO 10MHz Voltage Controlled Ovenized Crystal Oscillator.
ET6010-OCXO
ET6500-OCXO
ET6000-RB1 10MHz Rubidium Oscillator with an aging rate of 5E-11 per month.
ET6010-RB1
ET6500-RB1
1.1 USER'S GUIDE SUMMARY
This User’s Guide is divided into the following chapters:
A. CHAPTER ONE - GENERAL INFORMATION
This chapter includes a general description of the GPS Timing Unit and provides
technical specifications.
B. CHAPTER TWO - INSTALLATION
Describes initial inspection, preparation for use, interconnections to antenna/preamp,
power connections, and signal interconnections.
C. CHAPTER THREE - OPERATION
Describes the local operation of the unit.
D. CHAPTER FOUR - I/O PORT DATA INPUT/OUTPUT
Provides information on the protocol and data available through the RS-232C I/O
port.
Symmetricom Inc ET6xxx ExacTime GPS TC & FG (Rev C) 1-1