3Com 56k User's Manual And Reference page 44

remote echo
A copy of the data received by the remote system,
returned to the sending system, and displayed on
the screen. Remote echoing is a function of the
remote system.
ROM
Read Only Memory is permanent memory, which
is not user-programmable.
serial transmission
The consecutive flow of data in a single channel.
Compare it to parallel transmissions where data
flows simultaneously in multiple channels.
start/stop bits
These signaling bits are attached to a character
before and after the character is transmitted during
asynchronous transmission.
40
Glossary
terminal
A device whose keyboard and display are used for
sending and receiving data over a communications
link. This device differs from a 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. This mode is 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 it with characters
per second.
V.8
The ITU-T standard specification that covers the
initial handshaking process.