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Prestige 782R G.SHDSL Router
B Glossary
Glossary
10BaseT The 10-Mbps baseband Ethernet specification that uses two pairs of twisted-pair
cabling (Category 3 or 5); one pair for transmitting data and the other for receiving
data.
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).
ARP Address Resolution Protocol is a protocol for mapping an Internet Protocol address (IP
address) to a physical machine address that is recognized in the local network.
AT&T 5ESS A digital central office switching system made by AT&T.
Authenticity Proof that the information came from the person or location that reportedly sent it. One
example of authenticating software is through digital signatures.
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).
Bit A Binary Digit (either a one or a zero). A single digit number in base-2. A bit is the
smallest unit of computerized data.
Boot Module
Commands
Boot Module Commands, available in the debug mode via SMT, help you initialize the
configuration of the basic functions and features of your Prestige such as uploading
firmware, changing the console port speed and viewing product-related information.
Bridging Bridging provides LAN to LAN frame forwarding services between two or more LANs.
Frames from one LAN are forwarded across a bridge to a connected LAN, although
filtering can be employed to selectively forward frames. Bridging works similar to the
way repeaters work except that bridges forward frames based on their MAC (Medium
Access Control) addresses which are hardware-level addresses of NICs (Network
Interface Cards).
Byte A set of bits that represent a single character. There are 8 bits in a Byte.
CDR Call Detail Record. This is a name used by telephone companies for call-related
information.
CHAP Challenge Handshake Authentication Protocol is an alternative protocol that avoids
sending passwords over the wire by using a challenge/response technique.
Client A software program that is used to contact and obtain data from a Server software
program on another computer. Each Client program is designed to work with one or