Vertex Standard 7133B, 7122B manual Flt

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ACRONYMS/ABBREVIATIONS

FLT

Fault

FSM

Finite State Machine

FWD

Forward

GHz

Gigahertz

GND

ground

HB

High Byte

HP

horsepower

Hz

Hertz

I/O

Input/Output

IC

Integrated Circuit

IEC

International Electrotechnical Commission

IEE

Institute of Electrical Engineers

IEEE

Institute of Electrical and Electronic Engineers

IF

Intermediate Frequency

ISIO

Intelligent Serial Input/Output

km

Kilometer

LB

Low Byte

LED

Light-Emitting Diode

LNA

Low Noise Amplifier

LOS

Loss of Signal (Loss of Star)

LSB

Least Significant Bit

LSI

Large Scale Integration

LT

Long-term

MMeter

M&C

Monitor and Control

mA

Milliamperes

mb

Multibody (propagator)

MHz

Megahertz

ms

Millisecond

N/A

Not applicable

NEC

National Electrical Code

NEMA

National Electrical Manufactures Association

NORAD

North American Air Defense Command

NVRAM

Nonvolatile Read-Only Memory

O&M

Operations and Maintenance

OPT

Orbit Prediction Tracking

A - 2

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Contents April CG-1045Proprietary Notice Please Read the Following Precautions Table of Contents System Hardware IntroductionPurpose of the 7122B/7133B Manual General Information about the 7122B/7133B ACU1.2 7122B/7133B OU Drive Cabinet Overview Installation and Initial SET-UPMechanical Installation Antenna Mounted Components Installing the 7122B/7133B ACUB Antenna Control System Block Diagram Shows the connections between the ACU and the OU Resolvers are connected as shown in Table Display Offset Adjustment7122B/7133B ACU Operation7122B/7133B OU 7122B/7133B OU Controls Function 1 7122B/7133B OU ControlsMaintenance Mode Acceptance Test ProcedurePreliminary Information Remote Mode ATP Recommended Spares Engineering Drawings Crlf Appendix a Acronyms and AbbreviationsFLT PCB Appendix B Technical Support Model FAX 903