Nextel iR1200 Installation Manual page 39

iR1200 Modem
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 modem. Wireless data services uses both circuit-
switched and packet data transmissions.
DCD
Data Carrier Detect. An acceptable carrier signal received by the modem over the modem
line. Also known as Received Line Signal Indicator (RLSI).
DCE
Data Communication Equipment. The equipment that establishes, maintains, and
terminates a connection. It converts data into units of sound and vice versa for
communication over telemodem or cellular networks.
Default
A factory preset choice that, under normal circumstances, works best for your system.
You can either accept the default or change it.
DNS
Domain Name S erver. This is what converts names of domains (ex. : www.nextel.com)
into IP addresses (ex. : 170.206.225.22). The DNS server that you use is generally
situated with your access provider.
DTE
Data Terminal Equipment. A computer or hand-held device that generates and receives
data, and provides functions that control data communications through a device like the
modem.
Dial Up Networking (DUN)
A component in Windows that enables you to connect your computer to a network via
modem. If your computer is not connected to a LAN and you want to connect to the
Internet, you need to configure Dial-Up-Networking (DUN) to dial a Point of Presence
(POP) and log into your Internet Service Provider (ISP). Your ISP will need to provide
certain information, such as the gateway address and your computer's IP address.
GPS
(Global Positioning System) is a "constellation" of 24 well-spaced satellites that orbit the
Earth and make it possible for people with ground receivers to pinpoint their geographic
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