Daktronics G-100-7.6-R - Manual (Page 8)

Introduction 1-4
Loop Back Test: The loop back test is a troubleshooting test which connects the output to the input.
Contact Daktronics customer service for this test.
Network: A network consists of multiple signs connected to each other. Up to 240 Venus 1500 controlled
displays can exist on one network.
RS/232: RS/232 is a standard PC communication type with a maximum cable length of 30 feet (10
meters).
RS/422: RS/422 is a standard differential communication type with a maximum cable length of 4000 feet
(1.2 kilometers).
RX LED: A RX LED is an LED on the signal converter which indicates if the display is sending data back
to the signal converter.
Serial Server: A serial server is a device used to obtain information off of a LAN.
Sign Address: The sign address is an identification number assigned to each sign of a network. The
control software uses the address to locate and communicate with each display. Displays which are on the
same network cannot have the same address.
Signal Cable Tester: The signal cable tester is used to test the cable connections and data
communication.
Signal Converter: The signal converter is a Daktronics supplied unit which converts the data from
RS/232 to RS/422. The signal converter is used in RS422 systems.
TCP/IP: The TCP/IP (Transmission Control Protocol/Internet Protocol) is a communications protocol
used for LAN’s.
TX LED: A TX LED is a LED on the serial converter which indicates the control PC is sending data to the
display.
Venus 1500: The Venus 1500 is a Daktronics designed, Windows based software used to edit the
messages on the displays.