User's Manual

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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 with 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.
Router — A device that directs traffic from one network to another.
SIM — Subscriber Identification Module. Found in LTE and 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.
TCP/IPTransmission Control Protocol/Internet Protocol. The set of communications protocols used
for the Internet and other similar networks.
TTYText Telephones (TTY), also known as Telecommunications Device for the Deaf (TDD), are used
by the deaf, hard–of–hearing, and individuals with speech impairments to communicate.
UDP — User Datagram Protocol (UDP) is a communications protocol that offers a limited amount
of service when messages are exchanged between computers in a network that uses the Internet
Protocol (IP). UDP is an alternative to the Transmission Controll Protocol (TCP) and, together with IP, is
sometimes referred to as UDP/IP
USB — Universal Serial Bus. A connection type for computing device peripherals such as a printer,
mobile modem, etc. USB connectors may be used for data transfer or charging.
USB Port TypesThe USB ports on computers and hubs have a rectangular Type A socket, and
peripheral devices have a cable with a Type A plug. Peripherals that do not have an attached cable
have a square Type B socket on the device and a separate cable with a Type A and Type B plug. Ports
and connectors are available in different sizes (for example, standard, mini, and micro).
VPNVirtual Private Network. A secure private network that runs over the public Internet.
Commonly used to connect to an office network from elsewhere.
WCDMAWideband Code Division Multiple Access. An air interface standard found in 3G mobile
telecommunications networks. The most-commonly used member of the UMTS family.
Wi-Fi Wireless Fidelity. Any system that uses the 802.11 standard developed and released in 1997 by
the IEEE.
Wi-Fi Client — A wireless device that connects to the Internet via Wi-Fi.
WPA/WPA2 — Wi-Fi Protected Access. A security protocol for wireless 802.11 networks from the Wi-Fi
Alliance.