US Robotics Sportster Operating Instructions Manual page 122

default
Any setting assumed, at startup or reset, by the
computer's software and attached devices. The
computer or software will use these settings
until changed by the user or other software.
detect phase
In the ITU-T V.42 error-control protocol, the
first stage in establishing if both modems
attempting to connect have V.42 capability.
dictionary
The term used for compression codes built by
the V.42 bis data compression algorithm.
digital loopback
A test that checks the modem's RS-232
interface and the cable that connects the
terminal or computer and the modem. The
modem receives data (in the form of digital
118
G
LOSSARY
signals) from the computer or terminal, and
immediately returns the data to the screen for
verification.
digital signals
Discrete, uniform signals. In this manual, the
term refers to the binary digits 0 and 1.
DTE
Data Terminal (or Terminating) Equipment. A
computer that generates or is the final
destination of data.
duplex
Indicates a communications channel capable of
carrying signals in both directions. See half
duplex, full duplex.