Glossary

10/100BaseT

10-Mbps baseband Ethernet specification that uses

 

two pairs of twisted-pair cabling: one pair for

 

transmitting data and the other for receiving data.

 

10/100BaseT has a distance limit of approximately

 

100 meters per segment.

 

100BaseT

100-Mbps baseband Fast Ethernet specification that

 

uses UTP wiring. Like 10/100BaseT, 100BaseT

 

sends link pulses over the network segment when

 

no traffic is present. These link pulses contain more

 

information than those used in 10/100BaseT.

ADSL

Asymmetric Digital Subscriber Line.

 

ARP

Address Resolution Protocol. Enables routers to

 

obtain the Ethernet address for a known IP address.

 

See also Inverse ARP.

 

ATM

Asynchronous Transfer Mode.

 

BOOTP

Bootstrap Protocol. Used during network booting by

 

a network node to determine the IP address of its

 

Ethernet interfaces.

 

DLCI

Data-Link Connection Identifier. Value that specifies

 

a PVC or SVC in a Frame Relay network. In the

 

basic Frame Relay specification, DLCIs are locally

 

significant (connected devices might use different

 

values to specify the same connection). In the LMI

 

extended specification, DLCIs are globally significant

 

(DLCIs specify individual end devices).

E1

Network connection with a capacity of 2.048, divided

 

into 32 separate channels (or DS0s).

 

EEPROM

Electrically Erasable Programmable read only

 

Memory. Nonvolatile memory chips that can be

 

erased using electrical signals and reprogrammed.

Ethernet

Physical connection commonly used for LANs.

 

Runs over a variety of cable types and provides

 

bandwidth of 10 Mbps. Invented by Xerox

 

Corporation and developed jointly by Xerox, Intel,

 

and Digital Equipment Corporation.

 

Fast Ethernet

Any of a number of 100 Mbps Ethernet

 

specifications.

 

Frame Relay

a network interface providing high-speed packet

 

transmission with minimum delay. Uses variable-

 

length packets called "frames.”

Contrast with

 

"packet."

 

Avaya, Inc.

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Avaya 1600 manual Glossary