Spectracom Corporation
EPSILON CLOCK MODEL EC1S
EPSILON CLOCK User’s Manual
iii
Table of
Table of
Table of
Table of Contents
Contents
Contents
Contents
1
INTRODUCTION ............................................................................................................. 1-1
1.1
Basic Configuration
1-2
1.2
Standard Features
1-2
1.3
Optional Functions
1-2
1.4
Oscillators
1-3
1.5
Inventory
1-3
1.6
Inspection
1-3
1.7
Terminology
1-4
1.8
Mechanical Characteristics (Dimensions in mm)
1-5
2
INSTALLATION ............................................................................................................... 2-1
2.1
Preparing for Use
2-1
2.2
Preliminary Connections
2-1
2.3
Connections Quality
2-2
2.4
Power Connection
2-3
2.4.1
Mating Power Connector
2-3
2.4.2
Power Characteristics
2-4
2.5
Interface connector
2-4
2.6
Starting the Clock
2-5
2.7
Turning Off the Clock
2-6
3
FEATURES....................................................................................................................... 3-1
3.1
Frequency Output
3-1
3.2
1PPS Output
3-2
3.3
Remote Control Interface (RS232C)
3-2
3.4
TOD Output
3-3
3.5
Alarm Output
3-4
3.6
Power Supply
3-4
3.7
GPS Antenna Input/Output
3-5
3.8
Operating Environment
3-5
4
SDH/E1 OPTION ............................................................................................................. 4-1
4.1
2.048 MHz Output
4-1
4.2
2.048 MHz Input
4-1
5
REMOTE CONTROL INTERFACE ................................................................................. 5-1
5.1
General
5-1
5.2
Protocol
5-1
5.3
Commands description
5-2
5.3.1
TOD output setup
5-2
5.3.2
TOD output transmission period
5-2
5.3.3
Clock reset
5-2
5.3.4
GPS mode setup
5-2
5.3.5
GPS positioning
5-3
5.3.6
Local time
5-3
5.3.7
Antenna delay correction (phase correction)
5-3
5.3.8
Leap second
5-3
5.3.9
Force holdover mode
5-4
