Harris Corporation Constellation®
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CONTENTS
Maintenance .......................................................................................... 4-15
Manual Switch-over................................................................................. 4-16
1+1 Switching Times............................................................................... 4-16
Supervisory Interfaces ................................................................................ 4-16
Network Management Interface ................................................................ 4-16
Alarms ..................................................................................................... 4-17
Radio Alarm LED Indicators ...................................................................... 4-17
Site Status Inputs and Control Outputs...................................................... 4-17
Alarm List for Relay Output .................................................................. 4-18
Relay Specifications ............................................................................ 4-18
Environmental Specifications ....................................................................... 4-19
Electromagnetic Emissions ....................................................................... 4-19
Conducted Emissions............................................................................... 4-19
Ambient Temperature, Humidity, and Altitude............................................. 4-19
Earthquake, Shock, and Vibration ............................................................. 4-19
Test specification ................................................................................ 4-19
Rack Specifications ............................................................................. 4-19
Mechanical Dimensions ............................................................................... 4-20
EIA Rack ............................................................................................... 4-20
Constellation Radio ................................................................................. 4-20
Weights (Typical) ....................................................................................... 4-20
CHAPTER 5, SYSTEM INTERCONNECT AND CONFIGURATION ..... 5-1
System Interconnection ................................................................................ 5-1
Orderwire Interconnection.......................................................................... 5-1
Four-Wire VF Orderwire Interface................................................................ 5-4
Two-Wire VF Orderwire Interface ................................................................ 5-5
Address............................................................................................... 5-5
Data Orderwire Interface ........................................................................... 5-5
SCAN Equipment Interconnection................................................................ 5-7
CHAPTER 6, ANTENNA COUPLING UNIT (ACU)..................... 6-1
ACU Waveguide Flanges ............................................................................... 6-1
ACU Configuration and Mechanical Drawings .................................................... 6-2
Available Configurations ............................................................................ 6-2
List of ACU Mechanical Drawings................................................................. 6-3
ACU Mechanical Drawings .......................................................................... 6-3
ACU Port Configurations ................................................................................ 6-9
CHAPTER 7, PERFORMANCE CURVES ................................... 7-1
Performance Curves ..................................................................................... 7-1
Threshold-to-Interference (T/I) Ratios ............................................................ 7-2
Overview ................................................................................................. 7-2
Like Signal T/I Ratio.................................................................................. 7-3
T/I Curves ............................................................................................... 7-4
Receiver Signal-to-Noise Characteristics ....................................................... 7-12
BER versus C/N Curve ............................................................................. 7-12