network . (1) An arrangement of nodes and connecting branches. (T) (2) A configuration of data processing devices and software connected for information interchange.
Local area network.

J

MDI . Medium Dependent Interface.

MDI port . The port that acts as the electrical and jumper . A connector between two pins on a network

mechanical interface between the twisted-pair link

adapter that enables or disables an adapter option,

segment and the medium attachment unit.

feature, or parameter value.

L

LAN .

MDI-X

.

A

port

on a

10BASE-T

repeater

that performs

the

crossover

function.

 

 

medium

.

A

physical

material

in or on

which data may

be

represented.

 

 

 

LED .

Light-emitting

diode.

 

 

 

 

 

 

megabyte .

 

(1) For

processor

storage

 

and

 

real

and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

virtual

 

 

 

 

20

2or

1 048 576

bytes. (2) For

disk

 

 

link

segment

.

 

In

simple

terms,

a

single

 

 

 

memory,

 

 

 

 

cable

or

 

 

 

capacity

 

and

 

transmission

rates,

1 000 000

 

 

interconnected

cables

that

connect

a

 

 

storage

 

 

 

 

device to

a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

bytes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10BASE-T repeater. The cables in a link segment are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unshielded twisted-pair

cables

that

 

conform

to

the

.

 

Addressable

storage

space

 

in

the

computer

cabling

specifications

 

in

IEEE

Standard 802.3

memory

 

 

 

 

 

that

is

used

 

for

temporary

 

storage

of

 

instructions

10BASE-T.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

data while a program is running,

or

for

permanent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

load .

To

bring all or part of

a

computer

storage

of

microcode. Contrast

with

auxiliary

storage.

program

 

into

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

memory

from

auxiliary

storage

so

that

the

computer

can

 

 

of

options

displayed

to

the

user

by

run

the

program.

 

 

 

 

 

 

 

 

 

 

 

menu

 

.

 

 

A

list

 

 

 

 

 

 

 

 

 

 

 

 

processing

system,

from

which

the

user

can

select a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

local

area

network

 

(LAN) .

 

(1) A

computer

network

action to be initiated. (T)

 

 

 

 

 

 

 

 

 

 

located

on

a

user's

 

premises

within

a

limited

 

 

 

 

 

 

.

 

A

 

processor

 

whose

elements

have

 

 

geographical

area. Communication

within

a

local

microprocessor

 

 

 

 

 

 

 

area

miniaturized

 

into

one

or

a

few

integrated

circ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

been

 

 

network is not subject to external regulations; however,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communication across the LAN boundary may be

(T)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

subject

to

some

form

 

of

regulation. (T)

(2) A

network

in

 

 

 

 

 

 

 

.

 

(1) A

functional

 

 

 

which

a

set

of

devices

are

connected to

modem (modulator/demodulator)

 

 

 

 

 

 

 

 

one

another

for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communication

and

that

can

be

connected

to

unit

that

modulates and demodulates signals. One of

a

larger

 

 

 

 

of

a modem is to

enable

digital

data

network.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the

functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

transmitted

over

analog

transmission

facilities. (T)

(A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

logical .

 

(1) Pertaining

 

to

content

or

 

meaning

(2) A

 

 

device

 

that

converts

 

digital

data

 

from a

compu

 

 

 

as

an

 

analog

signal

that

can

 

be

transmitted

on

a

 

opposed

to

location

or

actual

 

 

 

 

 

to

 

 

 

implementation. (A)

 

 

 

 

 

 

 

 

 

 

 

and

converts

the

analog

signal

(2) Pertaining

to

a

view

or

description

 

telecommunication line,

of data

that

does

 

for

the

 

computer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

received

to

data

 

 

 

 

 

 

 

not depend on the characteristics of the computer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

system or the physical storage. (A)

(3) Contrast

with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

physical.

(A)

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

NDIS . Network Driver Interface Specification.

NetBIOS . Network BIOS. An operating system

math coprocessor . In personal-computer systems, a

interface for application programs used on IBM perso microprocessor that supplements the operations of the

computers that are attached to the IBM Token-Ring system microprocessor, enabling the computer to

Network. See also BIOS.

perform complex mathematical operations in parallel with other operations.

MAU . Medium attachment unit.

Mbps . Megabits per second.

Mbps . Million bits per second.

MBps . Megabytes per second.

node address . The address of an adapter on a LAN.

nonvolatile . (1) Pertaining to a storage device whose contents are not lost when power is cut off. (T)

(2) Contrast with volatile.

180 Netfinity 5000 Server Hardware Information and Procedures

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IBM 5000 manual Lan, Local