Enterasys atx Betriebsanweisung
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D-16
Glossary
optical transmitter
A circuit that converts an electrical signal to an optical signal.
OSI (Open Systems Interconnection)
Refers to the OSI reference model, a logical structure for network
operations. OSI is the internationally accepted framework of
standards for internetwork communication.
operations. OSI is the internationally accepted framework of
standards for internetwork communication.
packet
A group of bits including data and control elements arranged in a
specific format that are transmitted and switched as a composite
whole. Control elements include a source address, destination
address, frame control and status indicators and a frame check
sequence (FCS).
specific format that are transmitted and switched as a composite
whole. Control elements include a source address, destination
address, frame control and status indicators and a frame check
sequence (FCS).
packet processing engine module
High-performance component of the ATX bridge capable of
performing packet analysis/transfer at a high rate.
performing packet analysis/transfer at a high rate.
PDU (protocol data unit)
The portion of a datagram that contains the data associated with a
particular protocol.
particular protocol.
peer-to-peer
Term used to describe data transmission between entities in the
same sublayer of the OSI model.
same sublayer of the OSI model.
PHY (Physical Layer Protocol)
FDDI standard that defines symbols, line states, clocking