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Sierra Wireless DART 200 CDPD Modem User Manual

Page 184

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DART 200 CDPD Modem User’s Guide

Glossary

Sierra Wireless, Inc.

Glossary-4

IEEE

Institute of Electrical and Electronics Engineers

A standards setting organization.

IKE

MDIS Key Exchange

The MDIS initiated first step in exchanging encryption
keys with the M-ES.

IP

Internet Protocol

The basic Internet transport mechanism. In CDPD it
operates above the MDLP layer. Also, a layer 3 network
layer protocol.

IP Address

Your unique address on the Internet. This is the
equivalent of your phone number on the CDPD network.
Each modem must have an IP Address to operate on the
network

ISC

Intermediate System Configuration

Set by the MDIS as the final step in the registration
process. It contains the registration status code, and also
the updated random authentication number if the
registration was successful.

ISO

International Standards Organization

A communications standards setting group.

LAN

Local Area Network

In CDPD, the LAN usually attaches the F-ES to a
network router

LCI

Local Cell Identifier

LSAI

Local Service Area ID

CDPD 1.0 term; replaced by WASI in CDPD 1.1.

MAC

Medium Access Control

The CDPD Airlink protocol, that also provides FEC.
Controls the sharing of the Airlink resource among
multiple users. Operates between the physical and MDLP
layers.

MAS

Mobile Application Subsystem

Refers to the combination of the DART and the attached
remote device (PC or user terminal device).

MDIS

Mobile Data Intermediate Station

Computer device that serves as the control point for
CDPD in a specific area. The MDIS accepts information
from the MDBS and processes and sends the information
by routers to the appropriate F-ES.