Asus USB-AC51, User Manual

17

NIC (Network Interface Card)

A network adapter inserted into a computer so that the computer can be 

connected to a network. It is responsible for converting data from stored in the 

computer to the form transmitted or received.

Packet

A basic message unit for communication across a network. A packet usually 

includes routing information, data, and sometimes error detection information.

Pass Phrase

The Wireless Settings utility uses an algorithm to generate four WEP keys based 

on the typed combination.

PCMCIA (Personal Computer Memory Card International 

Association)

The Personal Computer Memory Card International Association (PCMCIA), 

develops standards for PC cards, formerly known as PCMCIA cards. These 

cards are available in three types, and are about the same length and width as 

credit cards. However, the different width of the cards ranges in thickness from 

3.3 mm (Type I) to 5.0 mm (Type II) to 10.5 mm (Type III). These cards can be 

used for various functions, including memory storage, land line modems and 

wireless modems.

PPP (Point-to-Point Protocol)

PPP is a protocol for communication between computers using a serial 

interface, typically a personal computer connected by phone line to a server.

PPPoE (Point-to-Point Protocol over Ethernet)

Point-to-Point Protocol is a method of secure data transmission. PPP using 

Ethernet to connect to an ISP.

Preamble

Allows you to set the preamble mode for a network to Long, Short, or Auto. The 

default preamble mode is Long.

Radio Frequency (RF) Terms: GHz, MHz, Hz

The international unit for measuring frequency is Hertz (Hz), equivalent to the 

older unit of cycles per second. One megahertz (MHz) is one million Hertz. 

One gigahertz (GHz) is one billion Hertz. The standard US electrical power 

frequency is 60Hz, the AM broadcast radio frequency band is 0.55-1.6MHz, the 

FM broadcast radio frequency band is 88-108MHz, and wireless 802.11 LANs 

operate at 2.4GHz.