Symmetricom ET6000, User Manual, Page: 3 / 206

TABLE OF CONTENTS
CHAPTER TWO
INSTALLATION
2.0 INTRODUCTION ................................................................................................................ 2-1
2.1 UNPACKING AND INSPECTION ..................................................................................... 2-1
2.2 RACK MOUNTING PROCEDURE .................................................................................... 2-1
2.2.1 TMRA .................................................................................................................... 2-1
2.2.2 ELEVATED AMBIENT OPERATING TEMPERATURE.................................. 2-1
2.2.3 REDUCED AIR FLOW......................................................................................... 2-2
2.2.4 MECHANICAL LOADING.................................................................................. 2-2
2.2.5 CIRCUIT OVERLOADING ................................................................................. 2-2
2.2.6 RELIABLE EARTHING....................................................................................... 2-2
2.3 ANTENNA/PREAMP INSTALLATION ............................................................................ 2-2
2.4 ANTENNA/PREAMP INTERFACE CONNECTIONS ...................................................... 2-2
2.5 PRIMARY POWER CONNECTION .................................................................................. 2-3
2.6 GPS TIMING UNIT INTERFACE CONNECTIONS ......................................................... 2-6
2.6.1 RS-232 I/O INTERFACE J12 ............................................................................... 2-6
2.6.2 PRINTER OUTPUT PORT J11 ............................................................................ 2-7
2.6.3 TIMING OUTPUTS .............................................................................................. 2-7
2.6.4 1PPS INPUT .......................................................................................................... 2-8
2.6.5 OSCILLATOR CONFIGURATION..................................................................... 2-8
CHAPTER THREE
OPERATION
3.0 INTRODUCTION ................................................................................................................ 3-1
3.1 OPERATIONAL STEPS ...................................................................................................... 3-1
3.1.1 INITIALIZATION (UNKNOWN POSITION)..................................................... 3-1
3.1.2 INITIALIZATION (KNOWN POSITION)........................................................... 3-3
3.2 OPERATIONAL CHARACTERISTICS ............................................................................. 3-4
3.3 LIQUID CRYSTAL DISPLAY............................................................................................ 3-4
3.3.1 MAIN MENU SCREEN........................................................................................ 3-4
3.3.2 POSITION MENU SCREEN ................................................................................ 3-9
3.3.3 SET-UP MENU SCREEN ................................................................................... 3-10
3.3.4 RS232 I/O CONFIGURATION MENU SCREEN ............................................. 3-15
3.3.5 MULTIPLE TIME CODE OUTPUTS MENU SCREEN ................................... 3-16
3.3.6 PRESET COINCIDENCE MENU SCREEN ...................................................... 3-16
3.3.7 EXTERNAL FREQUENCY MEASUREMENT MENU SCREEN ................... 3-17
3.3.8 SINGLE EVENT LOG MENU SCREEN ........................................................... 3-18
3.3.9 50/60HZ MEASUREMENT SCREEN ............................................................... 3-19
3.3.10 AUTO DAYLIGHT SAVINGS MENU SCREEN ........................................... 3-20
3.3.11 MUX OUTPUT MENU SCREEN .................................................................... 3-21
ET6xxx ExacTime GPS TC & FG (Rev C) Symmetricom Inc
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