Gigabit Ethernet for Metro Area Networks

Glossary

Numbers

10BaseT
The IEEE 802.3 specification for Ethernet over UTP.
100BaseFX
100 Mbps Ethernet implementation over fiber.
100BaseTX
100 Mbps Ethernet implementations over CAT 5 and Type 1 cabling.
1000BaseCX
A GigE standard for short-haul shielded balanced copper.
1000BaseLX
A GigE standard for fiber at the 1,300 nm wavelength.
1000BaseSX
A GigE standard for fiber at the 850 nm wavelength.
10 Gb media-independent interface (XGMII)
The interface between the media-dependent and -independent parts of the Ethernet protocol stack.
10 Gigabit Ethernet (10 GigE)
The emerging IEEE standard for Ethernet operation at 10 Gbps.
10 Gigabit Ethernet Alliance (10 GEA)
An organization promoting the rapid deployment of 10 GigE.
802.2
Sets standards at the logical link control sublayer of the data link layer.
802.3
CSMA/CD (Ethernet) standards that apply at the PHY and MAC sublayer.
8B/10B encoding
An encoding scheme at the GigE physical coding sublayer adopted from the FC-1 Fibre Channel specification. It transmits 8 bits as a 10-bit code group.

A-C

Active hub
A multiport device that amplifies LAN transmission signals.
Add/drop multiplexer (ADM)
A multiplexer capable of extracting or inserting lower-rate signals from higher-rate multiplexed signals without completely demultiplexing the signal.
American National Standards Institute (ANSI)
The coordinating body for voluntary standards groups within the United States. ANSI is a member of the International Organization for Standardization (ISO).
Application program interface (API)
A means of communication between programs to give one...

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