3Com 3CP5610A - U.S. Robotics 56K V90 PCI Performance Pro Faxmodem..., User Manual

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54 C
HAPTER
5: G
L OSSA RY
data communications
The transmission or sharing of data between computers via an electronic
medium.
data compression table
A table containing values assigned for each character during a call under
MNP5 data compression. Default values in the table are continually
altered and built during each call: The longer the table, the more efficient
throughput gained.
data mode
Mode used by a modem when sending and receiving data files.
DCE
Data Communications (or Circuit-Terminating) Equipment, such as dial-up
modems that establish and control the data link via the telephone
network.
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.
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 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.