Paradyne COMSPHERE 3821Plus User Manual page 150

configuration option
connector
CSA
CTS
Customer 1
Customer 2
data bank
data carrier
data compression
Data mode
DB-25 connector
dBm
DCE
DCP
demodulation
dial command modifiers
dial line
dial network
dial string
digital signal
3821-A2-GB20-30
Modem software that sets specific operating parameters for the modem. Sometimes
referred to as straps.
An outlet on equipment and cables that provides a connection.
Canadian Standards Association.
Clear to Send. A signal indicating that the modem is ready for the DTE to transmit data.
A user-defined configuration area containing customized configuration options for a
specific application.
A user-defined configuration area containing customized configuration options for a
specific application.
An area within the modem used to store the modem's firmware.
A continuous frequency signal that can be modulated by another signal that contains
information to be transmitted.
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.
One of two general modem operating modes. When in Data mode, the modem transmits
and receives data instead of accepting commands.
A 25-pin connector that is used to connect a cable which enables communications
between two devices.
A decibel referenced to one milliwatt into 600 ohms. This unit measures relative signal
power.
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.
Diagnostic Control Panel. The front panel of standalone modems such as the 3825Plus.
The DCP permits control and configuration of local and remote modems.
The process of recovering data from a modulated carrier wave.
A modifier used in the dial string that instructs the modem how to process a dialed
telephone number.
A communications circuit that is established by a switched circuit connection in the dial
network.
See PSTN.
A series of characters that consists of numbers and modifiers used to dial a telephone
number.
A signal composed of only two discrete values, representing the binary digits 0 and 1.
February 1998
Glossary
Glossary-3