Sony TRUINSTALL USB 598 - Manual (Page 48)

USB 598 modem - User Guide
48 2131141
FCC Federal Communications Commission—The U.S. federal
agency that is responsible for interstate and foreign communi‐
cations. The FCC regulates commercial and private radio
spectrum management, sets rates for communications services,
determines standards for equipment, and controls broadcast
licensing. Consult
www.fcc.gov .
firmware Software stored in ROM or EEPROM; essential programs that
remain even when the system is turned off. Firmware is easier
to change than hardware but more permanent than software
stored on disk.
GPS Global Positioning System—A system that uses a series of 24
geosynchronous satellites to provide navigational data.
host • A computer that uses a modem or a similar device to
answer a calling computer.
• A source or destination in the communication network.
• A computer that contains data or files to be accessed by
client computers. Also known as a server.
IS Interim Standard—After receiving industry consensus, the TIA
forwards the standard to ANSI for approval.
IS-95 The standard for CDMA .
Kbps Kilobits per second—Actually 1000, not 1024, as used in
computer memory size measurements of kilobytes.
LAN Local Area Network
LED Light Emitting Diode—A semiconductor diode that emits
visible or infrared light.
MEID Mobile Equipment Identifier—The unique second‐generation
serial number assigned to the modem for cellular network use.
Compare to
ESN .
Mbps Megabits per second
MHz Mega‐Hertz—One million cycles per second.
packet A short fixed‐length block of data, including a header, that is
transmitted as a unit in a communications network.
PCS Personal Communications Services—A cellular
communication infrastructure that uses a different frequency
range than AMPS.
roaming A cellular subscriber is in an area where service is obtained
from a cellular service provider that is not the subscriber’s
provider.