Omni 56K USB Lite
Glossary
E
Glossary
Analog
An electrical circuit that is represented by means of continuous, variable
physical quantities (such as voltages and frequencies), as opposed to discrete
representations (like the 0/1, off/on representation of digital circuits).
Analog
Loopback Test
Testing method in which the modem's analog signal is connected to the analog
input.
Answer
In a connection between two modems, one modem works as the recipient (in
answer mode) and the second modem as the initiator (originate mode).
Architecture
A design. The term architecture can refer to either hardware or software, or to a
combination of hardware and software. The architecture of a system always
defines its broad outlines, and may define precise mechanisms as well.
ARQ
Automatic Retransmission reQuest - standardized method in error control
protocols.
ASCII
American Standard Code for Information Interchange. This code assigns a 7-bit
numerical value to characters, digits and control characters. An ASCII character
is a 7-bit character with a decimal value ranging from 0 to 127.
Asynchronous
Data transfer method in which a character's data bits are framed by additional
bits (start bit, parity bit and stop bit). There are variable idle times between
characters.
AT Command
The commands used with an intelligent modem. Every command line is started
with the AT prefix (ATtention). To send an AT command to a modem, you must
have communications software running.
Authenticity
Proof that the information came from the person or location that reportedly sent
it. One example of authenticating software is through digital signatures.
Auto-answer
Modem's ability to automatically answer a call after a set number of rings.
Backbone
A high-speed line or series of connections that forms a major pathway within a
network.
Bandwidth
This is the capacity on a link usually measured in bits-per-second (bps).
bis
Old French word for two.
Bit
(Binary Digit) - A single digit number in base-2, in other words, either a one or a
