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Chapter 5 Networking
Modern Ethernet
28
Computer Networking
Not Applicable
05/09/2013

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Term
100BaseT4
Definition
An Ethernet LAN designed to run on UTP cabling. Runs at 100 Mbps and uses four-pair CAT 3 cabling.
Term
100BaseTX
Definition
The technically accurate but little-used name for 100BaseT.
Term
100BaseT
Definition
An Ethernet LAN designed to run on UTP cabling. Runs at 100 Mbps, uses baseband signaling, and uses two pairs of wires on CAT 5 or better cabling.
Term
Fast Ethernet
Definition
Nickname for the 100-Mbps Ethernet standards. Originally applied to 100BaseT.
Term
STP
Definition
A cabling for networks composed of pairs of wires twisted around each other at specific intervals.
Term
100BaseFX
Definition
An Ethernet LAN designed to run on fiber-optic cabling. Runs at 100 Mbps and uses baseband signaling.
Term
Half-Duplex
Definition
Any device that can only send or receive data at any given moment.
Term
Full Duplex
Definition
Any device that can send and receive data simultaneously.
Term
1000BaseT
Definition
A Gigabit Ethernet standard using CAT 5e/6 UTP cabling, with a 100-m maximum cable distance.
Term
1000BaseX
Definition
An umbrella Gigabit Ethernet standard. Also known as 802.3z. Comprises all Gigabit standards with the exception of 1000BaseT, which is under the 802.3ab standard.
Term
1000BaseCX
Definition
A Gigabit Ethernet standard using unique copper cabling with a 25-m maximum cable distance.
Term
TwinX
Definition
Another name for 1000BaseCX cable.
Term
1000BaseSX
Definition
A Gigabit Ethernet standard using multimode fiber cabling, with a 5-km maximum cable distance.
Term
Multimode
Definition
1000BaseSX uses _____ fiber-optic cabling to connect systems, with a generous maximum cable length of 220 to 500 meters.
Term
850
Definition
1000BaseSX uses an _____-nm wavelength LED to transmit light on the fiber-optic cable.
Term
1000BaseLX
Definition
A Gigabit Ethernet standard using single-mode fiber cabling, with a 220- to 500-m maximum cable distance.
Term
SFF
Definition
A description of later-generation, fiber-optic connectors designed to be much smaller than the first iterations of connectors.
Term
MT-RJ
Definition
The first type of Small Form Factor fiber connector still in common use.
Term
LC
Definition
One popular type of SFF connector, considered by many to be the predominant fiber connector.
Term
Media Converter
Definition
A device that lets you interconnect different types of Ethernet cable.
Term
GBIC
Definition
Gigabit Ethernet folks created a standard for modular ports called a _____.
Term
10 GbE
Definition
Currently (2012) the fastest Ethernet designation available, with a number of fiber-optic and copper standards.
Term
SONET
Definition
A standard for connecting fiber-optic transmission systems.
Term
10GBaseSR
Definition
A 10 GbE standard using 850-nm multimode fiber. Maximum cable length up to 300 m.
Term
10GBaseLR
Definition
A 10 GbE standard using 1310-nm single-mode fiber. Maximum cable length of 10 km.
Term
10GBaseER
Definition
A 10 GbE standard using 1550-nm single-mode fiber. Maximum cable length of 40 km.
Term
10GBaseT
Definition
A 10 GbE standard designed to run on CAT 6a UTP cabling. Maximum cable length is 100 meters.
Term
MSA
Definition
Interchangeable modular transceivers used in 10 GbE networking devices.
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