US Robotics Sportster Flash x2 User Manual page 41

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.
EIA
Electronic Industries Association, which defines electronic standards in
the U.S.
Error Control
Various techniques that check the reliability of characters (parity) or
blocks of data. V.42 and MNP error-control protocols use error
detection (CRC) and retransmission of flawed frames (ARQ).
Facsimile
A method for transmitting the image on a page from one point to
another. Commonly referred to as fax.
Fax Mode
The mode in which the fax modem is capable of sending and receiving
files in a facsimile format. See definitions for V.17, V.27ter, V.29.
Flow Control
A mechanism that compensates for differences in the flow of data input
to and output from a modem or other device. See commands &Hn, &In,
&Rn.
Frame
A data communications term for a block of data with header and trailer
information attached. The added information usually includes a frame
number, block size data, error-check codes, and Start/End indicators.
Full Duplex
Signal flow in both directions at the same time. In microcomputer
communications, may refer to the suppression of the on-line Local
Echo.
Sportster Flash x2 - User's Guide 37