Glossary
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RS422
: Standard differential communication type with a maximum cable length of 4,000'
(1.2 kilometers).
RX LED
: An LED on the signal converter that indicates the display is sending data back to
the signal converter.
Serial Port
: Connector on the back of the control computer. The serial port controls the
display network through either a 9- or 25-pin serial connector.
Signal Converter
: Component that converts data from RS232 to RS422 (wire converter) or
from RS232 to light signals (fiber converter). The signal converter is used in RS422 or fiber
systems.
Surge Suppressor
: A device inserted in the signal line and to prevent damage to
electronic equipment caused by voltage transients or spikes.
Translation Table
: Custom memory map for the display.
TX LED
: An LED on the signal converter that indicates the control computer is sending
data to the display.
Vanguard
®
Software
: Daktronics-designed, Windows®-based software that creates and
edits messages on displays.