US Robotics 002605-00 Manual page 137

fax mode
The mode in which the faxmodem 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 into and out of 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.
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ART ECTION
full duplex
Signal will flow in both directions at the same
time over one line. In microcomputer
communications, may refer to the suppression
of the online local echo.
half duplex
Signals will flow in both directions, but only one
way at a time. In microcomputer
communications, may refer to activation of the
online local echo, which causes the modem to
send a copy of the transmitted data to the
screen of the sending computer.
Hz
Hertz, a frequency measurement unit used
internationally to indicate cycles per second.
LOSSARY