Specifications

Glossary 79
Networking Alpha Signs (9700-0112C) October 8, 2003
An identifier assigned to networks, stations, and other devices so that each device can be separately
designed to receive and reply to messages. See also address.
serial number
Unique identification number for each sign or other product. Usually a consecutive sequence within a given
model line.
server
A combination of controller software and mass storage devices that allows computer users to share common
files and applications on a network.
sign
An electronic sign that combines text and graphics to convey a fixed or changeable, moving or unmoving
advertising or locational message. See also electronic display.
Site
A collection of one or more signs in AlphaNET software.
Smart Alec
Intelligent messaging system that delivers messages and real-time data from a variety of information systems
to a variety of communication devices.
snippet
A block of text that is saved for repeated use in AlphaNET software.
storage capacity
Ranges from 7,000 to 1,000,000 characters and more for message storage capacity (graphics require more),
depending on the sign and the application.
string file
A sequence of data values, usually bytes, that represent variables. These variables may be updated
independently of the rest of the message without affecting the rest of what is being displayed on the sign.
surface mounting
Secured to and projected from a flat surface. Describes how components are mounted (soldered) to a PCB
(printed circuit board).
T1
A dedicated phone connection supporting data rates of 1.544 Mbps (bits per second). A T1 line actually
consists of 24 individual channels, each of which supports 64 Kbps. Each 64 Kbps channel can be configured to
carry voice or data traffic.
TCP
Transmission Control Protocol. The major transport protocol in the Internet suite of protocols, providing
reliable, connection-oriented, full duplex streams. Uses IP for delivery.
TCP/IP
Transmission Control Protocol/Internet Protocol. A set of rules originally developed by the Department of
Defense to link dissimilar computers across many kinds of networks.
Telnet