Telebit T3000 Reference Manual page 209

Glossary-2
bit - An acronym for binary digit. A bit is the
smallest unit of digital information represented by
the choice of one of two possible states-one (mark)
or zero (space).
block - Group of characters treated as a unit for the
purpose of data transmission.
bps (bits per second) - The most common unit of
measure for specifying the data transfer rate in a
communication network.
break - Signal used by computer equipment to
interrupt some process, usually represented by 23 or
more consecutive bits.
buffer - Temporary storage area used to
compensate for a difference in the rate of data flow
into and out of a device.
byte - A grouping of bits to specify a single
character, usually consisting of eight consecutive
bits.
c
carrier - An analog signal that is modulated by
another signal containing information to be
transmitted.
Carrier Detected (DCD)-RS-2320 control signal
used by the DCE to inform the DTE that it has
detected a valid carrier signal.
CCITT - Consultive Committee for International
Telephone and Telegraph. A standards organization
that sets standards for worldwide voice and data
communications.