Black Box Compact T1 MT850A, Руководство пользователя

Страница: 565 / 592

Compact T1 - Release 6.1 Glossary-7
Glossary
Channel Service Unit
Channel Service
Unit The interface to the T1 line that terminates the local loop.
Classless Inter-
Domain Routing CIDR is a new addressing scheme for the Internet which allows for more
efficient allocation of IP addresses than the old Class A, B, and C address
scheme.
collision In Ethernet, the result of two nodes transmitting simultaneously. The
frames from each device impact and are damaged when they meet on the
physical media.
command line The command line is where you enter MS-DOS commands.
compander Companding is the process of compressing the amplitude range of a
signal for economical transmission and then expanding them back to
their original form at the receiving end.
Domain Naming
System DNS. A mechanism used in the Internet for translating names of host
computers into addresses.
Dynamic Host
Configuration
Protocol DHCP is a network configuration that allows maintenance to be
performed from a central site rather than by end users.
encapsulation Carrying frames of one protocol as the data in another.
echo
cancellation A technique that allows for the isolation and filtering of unwanted signals
caused by echoes from the main transmitted signal.
end point A network element (component) at the end of the network, a transmitter
or receiver, or an originating or terminating device.
Facilities Data
Link FDL supports the communication of various network information in the
form of in-service monitoring and diagnostics.
filter An operating parameter used with routers that can be set to block the
transfer of packets from one LAN to another.