Cabletron Systems MT8-MIM Spezifikationen Seite 182

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Frame to Interface
Glossary-6
Frame A group of bits that form a discrete block of information. Frames contain
network control information or data. The size and composition of a frame
is determined by the network protocol being used. Frames are typically
generated by operations at the Data Link Layer (Layer 2) of the
OSI Model.
Gateway A device which connects networks with dissimilar network architectures
and which operates at the Application Layer of the OSI Model. May also
be used to refer to a router.
Heartbeat See SQE.
Hexadecimal A base 16 numerical system. Digits in hexadecimal run from 0 to 9 and
continue from A to F, where F is equivalent to the decimal number 16.
Host A device which acts as the source or destination of data on the network.
Hot Swap Hot Swap capability indicates that a product is capable of being removed
from an operating modular chassis and reinserted or replaced without
requiring that the chassis and all associated modules be powered down.
Hub See Modular Chassis.
IANA Internet Assigned Numbers Authority. An agency which assigns and
distributes IP addresses.
IEEE Institute of Electrical and Electronic Engineers. A standards-making body.
IETF Internet Engineering Task Force. A standards-making body.
Image File Software instruction code which is downloaded to an intelligent network
device. See also Firmware.
Impedance A measure of the opposition of electrical current or signal flow in a length
of cable.
In-Band Performed through the operating network architecture. Refers most
commonly to management functions. See also Out-of-Band.
Interface A connection to a network. Unlike a port, an interface is not necessarily
an available physical connector accessible through the front panel of a
device. Interfaces may be used as backplane connections, or may be
found only in the internal operation of a module (All ports are interfaces,
but not all interfaces are ports).
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