US Robotics SportsterVoice User Manual page 33

Remote Digital Loopback
A test that checks the phone link and a remote modem's transmitter and receiver.
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. 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.
Throughput
The amount of actual user data transmitted per second without the overhead of protocol information such as Start
and Stop bits or frame headers and trailers. Compare characters per second.
V.8
The ITU-T standard specification that covers the initial handshaking process.
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