User manual

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 NNTP — Network News Transfer Protocol. An Internet application protocol for reading and posting
Usenet (newsgroup) articles.
 POP — Post Office Protocol. An Internet protocol for retrieving email from a remote server over a TCP/
IP connection.
 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 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.
 Protocol — A standard that enables connection, communication, and data transfer between
computing endpoints.
 PPP — Point-to-Point Protocol. A method of connecting a computer to the Internet.
 PPTP — Point-to-Point Tunneling Protocol. A method for implementing virtual private networks that
does not provide confidentiality or encryption but relies on the tunneling process for security.
 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.
 PUK code (Pin Unlock Key) — A PUK is required when you enter an incorrect PIN 3 times. After
entering the wrong PIN 3 times, the SIM card is disabled.
 RAS — Remote Access Service. A Windows NT/2000 Server feature that allows remote users access to
the network from their Windows laptops or desktops via modem.
 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. The increased data rates on Rev. A’s physical layer
enable richer applications and services. For more information, visit www.cdg.org.
 RFB — Remote Frame Buffer. A protocol for remote access to graphical user interfaces.
 Router — A device that directs traffic from one network to another.
 RTP — Real-time Transport Protocol. A packet format for streaming multimedia over the Internet.
 SIM — Subscriber Identification Module. A SIM is a card containing identification information for the
subscriber and their account. The SIM card can be moved to different devices.
 SMS — Short Message Service. A service for sending short messages of up to 160 (224 in 5-bit mode)
characters to mobile devices. SMS is also known as text messaging.
 SMTP — Simple Mail Transfer Protocol. An Internet standard for email transmission across IP networks.
 SSID — Service Set IDentifier. The name assigned to a Wi-Fi network.
 TCP — Transmission Control Protocol. A core protocol for transmitting and receiving information over
the Internet.
 TCP/IP — Transmission Control Protocol/Internet Protocol. The set of communications protocols used
for the Internet and other similar networks.