Sierra Wireless DART 200 CDPD Modem manual DBm DBW DB-9 DB-25

DART 200 CDPD Modem User’s Guide Glossary

CDPD

CLNP CMIP COM

Cellular Digital Packet Data

Wireless radio frequency (RF) packet switched data communication services. A communications system, operating over the existing AMPS cellular infrastructure, that provides services between Fixed End Systems (F-ES) and Mobile End Systems (M-ES).

ISO Connectionless Network Protocol

Common Management Information Protocol

Abbreviation for communications

Generally referring to the serial communications port of a computer.

CTS Clear To Send

DART

dBm

dBW

DB-9

DB-25

DCD

One of the RS-232 signal lines. Used in hardware flow control

Data Access Radio Transceiver

Short form of MC-DART, the original product name that stood for Mobile Cellular Data Access Radio Transceiver.

A logarithmic (base 10) measure of relative power (dB for decibels); relative to milliwatts (m).

A logarithmic (base 10) measure of relative power (dB for decibels); relative to one watt.

A standard 9-pin connector of a type commonly found on communications cables and used by PCs and modems.

A standard 25-pin connector of a type commonly found on communications cables and used by PCs and modems.

Data Carrier Detect

	One of the RS-232 signal lines. Usually used to indicate
	the presence of the carrier frequency.
DCE	Data Communication Equipment

DNS

DSR

The official carrier name for the modem. A DCE is designed to be interconnected with a DTE.

Domain Name Server

Internet server that supplies mapping from domain names to IP addresses.

Data Set Ready

One of the RS-232 signal lines. Used to signal the attached device (DTE) that the modem (DCE) is ready to communicate (powered on).

Sierra Wireless, Inc. Glossary-2