Daktronics AF-3020-7.6-R,A - Manual (Page 3)

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 Daktronics Nomenclature........................................................................................... 1-2
1.4 Network Concepts ...................................................................................................... 1-3
RS/232 Network......................................................................................................... 1-3
RS/422 Network......................................................................................................... 1-4
Modem Network......................................................................................................... 1-4
Fiber Optic Network................................................................................................... 1-4
1.5 Display Overview....................................................................................................... 1-4
1.6 Part Definitions .......................................................................................................... 1-5
Section 2 : Mechanical Installation............................................................................. 2-1
2.1 Support Structure Design ........................................................................................... 2-1
2.2 Display Mounting....................................................................................................... 2-1
Wall/Pole Mount ........................................................................................................ 2-1
Section 3 : Electrical Installation ................................................................................ 3-1
3.1 Common Connectors in Galaxy Displays .................................................................. 3-1
3.2 Conduit ....................................................................................................................... 3-2
3.3 Power.......................................................................................................................... 3-3
Grounding................................................................................................................... 3-3
Power Installation....................................................................................................... 3-3
3.4 Control Cable Requirements ...................................................................................... 3-5
RS/232 ....................................................................................................................... 3-5
RS/422 ....................................................................................................................... 3-5
Modem ....................................................................................................................... 3-5
Fiber Optic ................................................................................................................. 3-5
3.5 Signal Termination from Computer to Display.......................................................... 3-6
RS/232 ....................................................................................................................... 3-6
RS/422 ....................................................................................................................... 3-6
Modem ....................................................................................................................... 3-6
Fiber Optic ................................................................................................................. 3-7
3.6 Signal Termination Between Two (or More) Displays.............................................. 3-7
RS/422 Interconnection.............................................................................................. 3-7
Fiber Interconnection ................................................................................................. 3-7
3.7 First Time Turn On .................................................................................................... 3-8
Section 4 : Maintenance & Troubleshooting.............................................................. 4-1
4.1 Weather Stripping ...................................................................................................... 4-1
4.2 Display Access/LED Module Removal ..................................................................... 4-1
4.3 Power Supply ............................................................................................................. 4-1
4.4 Controller Board......................................................................................................... 4-2
Table of Contents i