Paradyne 3821PLUS manual Csa

Glossary

configuration option	Modem software that sets specific operating parameters for the modem. Sometimes
	referred to as straps.
connector	An outlet on equipment and cables that provides a connection.
CSA	Canadian Standards Association.
CTS	Clear to Send. A signal indicating that the modem is ready for the DTE to transmit data.
Customer 1	A user-defined configuration area containing customized configuration options for a
	specific application.
Customer 2	A user-defined configuration area containing customized configuration options for a
	specific application.
data bank	An area within the modem used to store the modem's firmware.
data carrier	A continuous frequency signal that can be modulated by another signal that contains
	information to be transmitted.
data compression	The elimination of empty fields, redundancies, and gaps in order to reduce storage
	capacity needs and the amount of data to be transmitted. Anything that is eliminated is
	restored after the data is received.
Data mode	One of two general modem operating modes. When in Data mode, the modem transmits
	and receives data instead of accepting commands.
DB-25 connector	A 25-pin connector that is used to connect a cable which enables communications
	between two devices.
dBm	A decibel referenced to one milliwatt into 600 ohms. This unit measures relative signal
	power.
DCE	The equipment (Data Communications Equipment or Data Circuit Terminating
	Equipment) that provides the functions required to establish, maintain, and end a
	connection. This equipment also provides the signal conversion required for
	communication between the DTE and the telephone line. A modem is a DCE.
DCP	Diagnostic Control Panel. The front panel of standalone modems such as the 3825Plus.
	The DCP permits control and configuration of local and remote modems.
demodulation	The process of recovering data from a modulated carrier wave.
dial command modifiers	A modifier used in the dial string that instructs the modem how to process a dialed
	telephone number.
dial line	A communications circuit that is established by a switched circuit connection in the dial
	network.
dial network	See PSTN.
dial string	A series of characters that consists of numbers and modifiers used to dial a telephone
	number.
digital signal	A signal composed of only two discrete values, representing the binary digits 0 and 1.

3821-A2-GB20-40 January 1999 Glossary-3