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170 Glossary
dormant
The network switches the data connection into dormant mode if there is no traffic
on the connection for some time. When you resume data traffic, the high-speed
data connection becomes active.
The data connection may also go dormant while a GPS fix is being acquired.
ESN
Electronic Serial Number—The unique serial number assigned to the card for
cellular network use. Either the ESN or MEID is on the label on the card, and is also
displayed in the “Device Info & Diagnostics” window (Windows; page 86) or
“About Sprint Device” window (Mac; page 114). See also MEID.
ExpressCard™
Add-in memory and communications cards for portable computers. ExpressCard is
a trademark of the PCMCIA.
FCC
Federal Communications Commission—The U.S. federal agency that is responsible
for interstate and foreign communications. 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 memory; 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.
fix
GPS location information obtained from the network.
GPS
Global Positioning System—A system that uses a series of 24 geosynchronous
satellites to provide location data.
HEPE
Horizontal Estimated Position Error—Relates to GPS accuracy.
IS
Interim Standard—After receiving industry consensus, the TIA forwards the
standard to ANSI for approval.