Daktronics Galaxy Series, Manual

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Table of Contents
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Table of Contents
Section 1: Introduction.................................................................................... 1-1
How to Use this Manual .......................................................................................... 1-1
1.1 Safety Precautions ..................................................................................... 1-2
1.2 Network Concepts ..................................................................................... 1-2
RS232 Network .................................................................................. 1-3
RS422 Network .................................................................................. 1-3
Modem Network................................................................................. 1-3
Fiber Optic Network........................................................................... 1-3
Radio Network ................................................................................... 1-3
1.3 Display Overview ...................................................................................... 1-4
1.4 Component Identification .......................................................................... 1-4
1.5 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 .................................................................... 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
3.3 RJ Connector Cables ................................................................................. 3-4
Installing an RJ Connector ................................................................. 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................................................................................. 3-9
3.7 Signal Termination from Computer to Display ......................................... 3-9
RS232 ............................................................................................... 3-10
RS422 ............................................................................................... 3-11
Modem ............................................................................................. 3-13
Fiber Optic........................................................................................ 3-14
Venus 1500 Radio ............................................................................ 3-15
3.8 Signal Termination Between Two (or More) Signs................................. 3-16
RS422 Interconnection ..................................................................... 3-16
Fiber Interconnection........................................................................ 3-17
3.9 Optional Temperature Sensor .................................................................. 3-17