Lantronix XPress-DR-IAP Betriebsanweisung PDF herunterladen (Seite 144)

Glossary of Terms

Open System Interconnect (OSI):

See "ISO."

Packet:

A series of bits containing data and control information, including source and destination node

addresses, formatted for transmission from one node to another.

(Password Authentication Protocol) Authentication scheme for PPP links. A password can be specified

for both devices on a remote link. Failure to authenticate will result in a dropped connection prior to

start of data transmission.

Layer 1, the bottom layer of the OSI model, is implemented by the physical channel. The Physical

layer insulates Layer 2, the Data Link layer, from medium-dependent physical characteristics such as

baseband, broadband or fiber-optic transmission. Layer 1 defines the protocols that govern

transmission media and signals.

A concentrator providing connection to a network for multiple devices.

A printer/display protocol developed by Adobe Corp. PostScript is an actual printing and programming

language to display text and graphics. Unlike line/ASCII printers, which print character input verbatim,

PostScript printers accept and interpret an entire PostScript page before printing it.

PAP:

Physical Address:

An address identifying a single node.

Physical Layer:

Point-to-Point:

A circuit connecting two nodes only, or a configuration requiring a separate physical connection

between each pair of nodes.

Port:

The physical connector on a device enabling the connection to be made.

Port Multiplier:

PostScript:

PPP:

Point-to-Point Protocol. The successor to SLIP, PPP provides router-to-router and host-to-network

connections over both synchronous and asynchronous circuits.

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Lantronix XPress-DR-IAP Betriebsanweisung Seite 144