Modems

Modems

Modems are devices that modulate an analog carrier signal to encode digital information.

Industry: Network hardware

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Modems

error control

Network hardware; Modems

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).

ethernet

Network hardware; Modems

The LAN method developed by Xerox. Uses the CSMA/CD physical access method, special 50 ohm co-axial cable and 10 million bit per second digital transmission.

facsimile

Network hardware; Modems

A method for transmitting the image on a page from one point to another. Commonly referred to as fax.

fax mode

Network hardware; Modems

The mode used by a modem to send and receive data in facsimile format. See definitions for V.17, V.27ter, V.29.

flow control

Network hardware; Modems

A mechanism that compensates for differences in the flow of data into and out of a modem or other device.

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 ...

full-duplex

Network hardware; Modems

Signals can flow in both directions at the same time over one line. In microcomputer communications, this may refer to the suppression of the online local echo.