Daktronics CE-1010 - Manual (Page 8)

Introduction 1-4
1.4 Part Definitions
Com Port: connector on the back of the controller PC. The Com Port is used to
control the sign network through either a 9- or 25-pin serial connector.
Display Configuration: refers to a display’s model number, address, etc. This
information will be automatically displayed when the display is powered up.
Flipped Cable: six (6) conductor phone cable. Pin 1 of connector A connects to pin
6 of connector B.
LAN: abbreviation for Local Area Network
Loop Back Test: troubleshooting test that connects the transmit to receive lines. For
more information on this test refer to Appendix B.
Module: one unit of the display. The 1.2" and 2.1" displays’ modules consist of 4
lines by 6 characters. The 3.2" and 4.2" displays' modules consist of 2 lines by 6
characters.
Network: consists of multiple signs connected to each other.
RS232: standard PC communication type with a maximum cable length of 25 feet
(7.62 meters).
RS422: standard differential communication type with a maximum cable length of
4000 feet (1.2 kilometers).
RX LED: LED on the signal converter that indicates if the display is sending data
back to the signal converter.
Sign Address: identification number assigned to each sign of a network. The control
software uses the address to locate and communicate with each display.
Signal Cable Tester: used to test the cable connections and data communication.
Signal Converter: Daktronics supplied unit that converts the data from RS232 to
RS422. The signal converter is used in RS422 systems.
TX LED: LED on the serial converter that indicates the control PC is sending data
to the display.
X,Y Coordinates: used to reference the location of LED blocks within the entire
sectionalized DataTrac display.