Sierra Wireless DART 200 CDPD Modem manual Glossary, Acronyms, Bps

Glossary

Acronyms

AMPS Advanced Mobile Phone System

API ARN

Original name given to the analog voice cellular telephone system. The standard for cellular telephone service in North and South America plus some Pacific rim countries. CDPD uses the same cells and RF channels as AMPS.

Application Programming Interface

Authentication Random Number

	One of two numbers used as part of the CDPD
	authentication procedure. See also, ASN.
ASCII	American Standard Code for Information Interchange
	An 8-bit data code used by most PCs and many telemetry
	devices.
ASN	Authentication Sequential Number
	One of two numbers used as part of the CDPD
	authentication procedure. See also, ARN.
AT command	A set of modem commands, preceded by an AT,
	originally developed by Hayes, Inc. for their modems.
	The structure, but not the specific commands that vary
	greatly from manufacturer to manufacturer, is a de facto
	modem industry standard.
BLER	Block Error Rate
	A measure of the percentage of data blocks that could not
	be fully corrected by the FEC scheme.
bps	bits per second
	The actual data speed over the transmission medium. It is
	not necessarily equivalent to baud. See also, baud.

PN1197-00 Revision 1.0