Sierra Wireless AirCard 402 User Manual page 42

AirCard 402 Modem - User Guide
42
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
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.
PC Card™
Add‐in memory and communications cards for portable
computers. PC Card is a trademark of the PCMCIA.
PCMCIA
Personal Computer Memory Card International Association—
The organization that standardizes ExpressCards and
PC Cards.
PCS
Personal Communications Services—A cellular
communication infrastructure that uses a different frequency
range than AMPS.
www.fcc.gov
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