
Table of Contents
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Table of Contents
Section 1:Introduction.............................................................................1-1
1.1Safety Precautions.....................................................................................1-2
1.2Network Concepts..................................................................................... 1-3
RS232 Network..................................................................................1-3
RS422 Network..................................................................................1-3
Modem Network.................................................................................1-3
TCP/IP Network.................................................................................1-4
1.3Display Overview......................................................................................1-4
1.4Component Identification..........................................................................1-4
1.5Daktronics Nomenclature..........................................................................1-6
Section 2:Mechanical Installation...........................................................2-1
2.1Mechanical Installation Overview.............................................................2-1
2.2Support Structure Design .......................................................................... 2-1
2.3Display Ventilation Requirements............................................................. 2-1
2.4Hanging Mount..........................................................................................2-2
2.5Wall Mount................................................................................................2-2
Section 3:Electrical Installation..............................................................3-1
3.1Common Connectors in the Sign...............................................................3-1
3.2Control Cable Categories...........................................................................3-2
Cable Types........................................................................................3-2
Installing an RJ11 Connector.............................................................3-3
3.3Power.........................................................................................................3-3
3.4Grounding.................................................................................................. 3-4
3.5Signal Termination from Computer to Display.........................................3-4
RS232.................................................................................................3-4
RS422.................................................................................................3-5
Modem ...............................................................................................3-7
TCP/IP or LAN System......................................................................3-7
3.6Signal Connection Between Two (or More) Displays...............................3-8
3.7Initial Operation......................................................................................... 3-9
Section 4:Maintenance and Troubleshooting.......................................4-1
4.1Maintenance and Troubleshooting Overview............................................4-1
4.2Signal Summary ........................................................................................4-1
4.3Power Summary ........................................................................................4-2
4.4Service and Diagnostics ............................................................................4-2
Accessing the Interior of the Display................................................. 4-3
LED Module Replacement.................................................................4-4
Power Supply Replacement................................................................ 4-4
Accessing and Replacing the Controller Board..................................4-5
Display Addressing ............................................................................4-6
4.5Troubleshooting.........................................................................................4-7
4.6Initial Operation Information.....................................................................4-8