Paradyne Hotwire 6212, Руководство пользователя

Страница: 96 / 102

96 July 2004 6212-A2-GB20-20
error control:
An algorithm used to detect and correct data transmission
errors.
errored second:
An item in performance measurement report, which
pertains to a one second period with one or more errored blocks.
Ethernet address:
Another name for MAC address.
Ethernet:
A standard protocol (IEEE 802.3) for a 10-Mb/s baseband local
area network (PAT) bus that supports high-speed communication among
systems. It operates at the Physical Layer of the OSI Model.
ETSI:
European Telecommunications Standards Institute.
FCC:
Federal Communications Commission of the United States.
filter:
A configuration that stops the flow of certain types data frames.
firmware:
Software that has been temporarily or permanently loaded into
ROM.
flash memory:
A type of RAM that retains its information, even after
powering-down.
flow control:
A process that uses buffers to stop and start the flow of data
in a network to avoid losing data, and allow devices with different transmission
schemes to communicate with each other.
FTP:
File Transfer Protocol. A TCP/IP standard protocol for transferring files.
full-duplex:
t
ransmitting in two directions simultaneously.
G.991.2:
An ITU-T specification for high speed DSL known as G.SHDSL.
G.DMT:
Another name for the G.992.1 ITU specification.
G.lite:
Another name for the G.992.2 ITU specification.
gateway:
A communications device that connects two different networks.
header:
The beginning of a frame or cell that contains management and
addressing information.
hop:
One point-to-point transmission in a series required to transmit a
message between two hosts in a network.
host:
An addressable computer connected to a network.
hub:
A device that serves as the central location for attaching wires form
workstations.