GLOSSARY
192
MATRIX 220
IEC
(International Electrotechnical Commission): Global organization that publishes interna-
tional standards for electrical, electronic, and
other technologies.
IP Address
The terminal’s network address. Networks use IP addresses to determine where to send
data that is being transmitted over a network. An IP address is a 32-bit number referred
to as a series of 8-bit numbers in decimal dot notation (e.g., 130.24.34.03). The highest
8-bit number you can use is 254.
ISO
(International Organization for Standardization): A network of the national standards
institutes of several countries producing world-wide industrial and commercial stan-
dards.
LED (Light Emitting Diode)
A low power electronic light source commonly used as an indicator light. It uses less
power than an incandescent light bulb but more than a Liquid Crystal Display (LCD).
LED Illuminator
LED technology used as an extended lighting source in which extra optics added to the
chip allow it to emit a complex radiated light pattern.
Matrix Symbologies (2D Codes)
An arrangement of regular polygon shaped cells where the center-to-center distance of
adjacent elements is uniform. Matrix symbols may include recognition patterns which
do not follow the same rules as the other elements within the symbol.
Multi-row (or Stacked) Symbologies
Symbologies where a long symbol is broken into sections and stacked one upon another
similar to sentences in a paragraph.
RAM
Random Access Memory. Data in RAM can be accessed in random order, and quickly
written and read.
Symbol Verification
The act of processing a code to determine whether or not it meets specific require-
ments.
Transmission Control Protocol/Internet Protocol (TCP/IP)
A suite of standard network protocols that were originally used in UNIX environments
but are now used in many others. The TCP governs sequenced data; the IP governs
packet forwarding. TCP/IP is the primary protocol that defines the Internet.
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