Daktronics Galaxy AF-3112 Primary Series, Manual

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List Of Figures
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Table of Contents
Section 1: Introduction.................................................................................... 1-1
1.1 How to Use This Manual........................................................................... 1-1
1.2 Safety Precautions ..................................................................................... 1-2
1.3 Network Concepts ..................................................................................... 1-3
RS232 Network .................................................................................. 1-3
RS422 Network .................................................................................. 1-3
Modem Network................................................................................. 1-3
Fiber Optic Network........................................................................... 1-3
Radio Network ................................................................................... 1-4
1.4 Display Overview ...................................................................................... 1-4
1.5 Component Identification .......................................................................... 1-5
1.6 Daktronics Nomenclature .......................................................................... 1-7
Section 2: Mechanical Installation ................................................................. 2-1
2.1 Mechanical Installation Overview ............................................................. 2-1
2.2 Support Structure Design........................................................................... 2-1
2.3 Ventilation Requirements .......................................................................... 2-2
2.4 Lifting the Display..................................................................................... 2-2
2.5 Display Mounting ...................................................................................... 2-3
2.6 Optional Temperature Sensor Mounting ................................................... 2-3
Section 3: Electrical Installation..................................................................... 3-1
3.1 Common Connectors in the Display.......................................................... 3-1
3.2 Control Cable Requirements...................................................................... 3-3
RS232 ................................................................................................. 3-3
RS422 ................................................................................................. 3-3
Modem ............................................................................................... 3-3
Fiber Optic.......................................................................................... 3-3
Radio .................................................................................................. 3-3
Display Enclosures ............................................................................. 3-4
3.3 RJ Connector Cables ................................................................................. 3-4
3.4 Conduit ...................................................................................................... 3-5
3.5 Preparing for Power/Signal Connection .................................................... 3-5
3.6 Power......................................................................................................... 3-6
Power Requirements........................................................................... 3-6
Grounding........................................................................................... 3-6
Power Installation............................................................................... 3-7
Power Connection .............................................................................. 3-8
Main Disconnect................................................................................. 3-8
3.7 Signal Termination from Network to Display ........................................... 3-9
RS232 ................................................................................................. 3-9
RS422 ............................................................................................... 3-10
Modem ............................................................................................. 3-12
Fiber Optic........................................................................................ 3-13
Venus 1500 Radio ............................................................................ 3-14
3.8 Signal Termination Between Two (or More) Signs................................. 3-16