G
LOSSARY
84
remote digital loopback
A test that checks the phone link and a remote
modem's transmitter and receiver.
remote echo
The sending system displays data sent to the
remote system. Remote echoing is a function of
the remote system.
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 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
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.
