US Robotics Sportster Operating Instructions Manual page 127

ROM
Read Only Memory. Permanent memory, not
user-programmable.
serial transmission
The consecutive flow of data in a single
channel. Compare to parallel transmissions
where data flows simultaneously in multiple
channels.
start/stop bits
The signaling bits attached to a character
before and after the character is transmitted
during asynchronous transmission.
terminal
A device whose keyboard and display are
used for sending and receiving data over a
communications link. Differs from a
G
LOSSARY
microcomputer or a mainframe in that it has
little or no internal processing capabilities.
terminal mode
Software mode that allows direct
communication with the modem. Also known
as command mode.
throughput
The amount of actual user data transmitted per
second without the overhead of protocol
information such as start/stop bits or frame
headers and trailers. Compare with
characters per second.
V.8
The ITU-T standard specification that covers
the initial handshaking process.
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