ELPRO 805U-E User Manual download pdf (Page 76)

805U-E Wireless Ethernet User Manual

Man_805U-E Rev 1.5 Page 76

with the wired network. See Ad-Hoc and AP.

I/O The term used to describe any operation, program or device that transfers data to

or from a computer.

Internet

appliance

A computer that is intended primarily for Internet access, is simple to set up and

usually does not support installation of third-party software. These computers

generally offer customized web browsing, touch-screen navigation, e-mail

services, entertainment and personal information management applications.

IP A set of rules used to send and receive messages at the Internet address level.

IP (Internet

Protocol)

telephony

Technology that supports voice, data and video transmission via IP-based LANs,

WANs, and the Internet. This includes VoIP (Voice over IP).

IP address A 32-bit number that identifies each sender or receiver of information that is sent

across the Internet. An IP address has two parts: an identifier of a particular

network on the Internet and an identifier of the particular device (which can be a

server or a workstation) within that network.

IPX-SPX IPX, short for Internetwork Packet Exchange, a networking protocol used by the

Novell NetWare operating systems. Like UDP/IP, IPX is a datagram protocol

used for connectionless communications. Higher-level protocols, such as SPX

and NCP, are used for additional error recovery services. Sequenced Packet

Exchange, SPX, a transport layer protocol (layer 4 of the OSI Model) used in

Novell Netware networks. The SPX layer sits on top of the IPX layer (layer 3)

and provides connection-oriented services between two nodes on the network.

SPX is used primarily by client/server applications. Whereas the IPX protocol is

similar to IP, SPX is similar to TCP. Together, therefore, IPX-SPX provides

connection services similar to TCP/IP.

ISA A type of internal computer bus that allows the addition of card-based

components like modems and network adapters. ISA has been replaced by PCI

and is not very common anymore.

ISDN A type of broadband Internet connection that provides digital service from the

customer's premises to the dial-up telephone network. ISDN uses standard POTS

copper wiring to deliver voice, data or video.

ISO Network

Model

A network model developed by the International Standards Organization (ISO)

that consists of seven different levels, or layers. By standardizing these layers, and

the interfaces in between, different portions of a given protocol can be modified

or changed as technologies advance or systems requirements are altered. The

seven layers are: Physical , Data Link, Network, Transport, Session, Presentation,

Application.

LAN A system of connecting PCs and other devices within the same physical proximity

for sharing resources such as an Internet connections, printers, files and drives.

Receive

Sensitivity

The minimum signal strength required to pick up a signal. Higher bandwidth

connections have less receive sensitivity than lower bandwidth connections.

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