Sierra Wireless 2130374 v3 Manuale Utente
User Guide
48
2130374
OEM
Original Equipment Manufacturer—A company that
manufactures a product and sells it to a reseller.
manufactures a product and sells it to a reseller.
originate
The origin of a connection or message. Mobile originated
means the connection of message starts from the mobile and
goes to the network for termination at the destination.
Contrast with terminate.
means the connection of message starts from the mobile and
goes to the network for termination at the destination.
Contrast with terminate.
packet
A short fixed-length block of data including a header that is
transmitted as a unit in a communications network.
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 Personal Computer
Memory Card International Association (PCMCIA).
computers. PC Card is a trademark of the Personal Computer
Memory Card International Association (PCMCIA).
PCMCIA
Personal Computer Memory Card International Associ-
ation—The organization that standardizes PC Cards.
ation—The organization that standardizes PC Cards.
PCS
Personal Communications Services—A cellular communi-
cation infrastructure that uses a different frequency range than
AMPS.
cation infrastructure that uses a different frequency range than
AMPS.
PRI
Product Release Instructions
PRL
Preferred Roaming List. See also roaming.
protocol
A defined procedure for determining the proper way of
exchanging information on a network.
exchanging information on a network.
terminate
The destination of a connection or message. Mobile termi-
nated means the connection of message arrived at the mobile
from the network. Contrast with originate.
nated means the connection of message arrived at the mobile
from the network. Contrast with originate.
reverse channel
A connection channel for moving data from the mobile to the
network. Contrast with Forward Channel.
network. Contrast with Forward Channel.
RF
Radio Frequency
roaming
A cellular subscriber is in an area where service is obtained
from a cellular service provider that is not the subscriber’s
provider.
from a cellular service provider that is not the subscriber’s
provider.
SAR
Specific Absorption Rate—A test metric for RF exposure.
simple IP
The standard method of allocating IP addresses to mobile units
as they register with network serving stations (handoff). This
is typically a dynamic IP addressing mechanism managed
through DHCP. See also Mobile IP.
as they register with network serving stations (handoff). This
is typically a dynamic IP addressing mechanism managed
through DHCP. See also Mobile IP.
SMS
Short message services—A feature that allows users of a
wireless device on a wireless network to receive or transmit
short electronic alphanumeric messages (up to 160 characters,
depending on the service provider).
wireless device on a wireless network to receive or transmit
short electronic alphanumeric messages (up to 160 characters,
depending on the service provider).
TCP
Transmission Control Protocol—The common underlying
communication protocol used on the Internet. A connection
handshake establishes a point to point logical connection. In
communication protocol used on the Internet. A connection
handshake establishes a point to point logical connection. In