DG-HR1020S User Manual
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• Network Operator — The vendor who provides you wireless access. Known by
different names in different regions, some examples are: wireless provider,
network provider and service provider.
• Network Technology — The technology on which a particular network provider’s
system is built; such as CDMA or EVDO.
• Port — A virtual data connection used by programs to exchange data. It is the
endpoint in a logical connection. The port is specified by the port number.
• Port Forwarding — A process that allows remote devices to connect to a specific
computer within a private LAN.
• Port Number — A 16-bit number used by the TCP and UDP protocols to direct
traffic on a TCP/IP host. Certain port numbers are standard for common
Applications.
• PRL — Preferred Roaming List. A list that your wireless phone or device uses
to determine which networks to connect when you are roaming. (Network
operator specific).
• Protocol — A standard that enables connection, communication and data
transfer between computing endpoints.
• Proxy — A firewall mechanism that replaces the IP address of a host on the
internal (protected) network with its own IP address for all traffic passing
through it.
• Rev A — CDMA EV-DO Rev. A is a leading-edge wireless technology with higher
data rates and higher system capacity. It is a fully backward compatible standard and
remains interoperable with deployed EV-DO networks and devices around the
world.
• Router — A device that directs traffic from one network to another.
• SIM — Subscriber Identification Module. Found in GSM network technology,
the SIM is a card containing identification information for the subscriber and
their account. The SIM card can be moved to different devices.
• SSID — Service Set Identifier. The name assigned to a Wi-Fi network.
