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Wireless Data Services
GLOSSARY
asynchronous
Data without an accompanying time signal.
Timing is built into data characters as start
and stop bits.
AT command
An order entered into the computer to request
your modem to perform certain actions, such
as dial a telephone number. AT commands are
Hayes-compatible modem commands.
baud rate
Signaling speed of the modem. Common
baud rates are 2400, 4800, 9600, 19200, and
56k.
bps
Bits per second. The rate at which data passes
over the telephone line or through the air. The
basic unit of measure for serial data
transmission capacity.
burst
A unit of information consisting of a sequence
of signals.
circuit-switched data
Continuous data communication, such as a
phone call.
CTS
The Clear to Send signal passed from the
local modem to the local terminal when the
data port is ready to transmit data. Occurs in
response to the Request To Send (RTS)
signal.
command mode
The mode that accepts AT commands. Also
known as Terminal Mode. When your modem
is in this mode, it is waiting to receive AT
commands that you type from your
communication software.
communication
software
A computer program designed to connect
your computer to an external source, such as
another computer or a fax machine.
data services
One of the functions of your iDEN phone.
Wireless data services uses both circuit-
switched and packet data transmissions.
Summary of Contents for IDEN WIRELESS DATA SERVICES
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