Copyright CUE, a.s. | All rights reserved | Cookie – policy | sales@cuesystem.com | support@cuesystem.com | |
 
Technical Support
CUE Store
Application Notes
Documentation
Knowledge Base
Forum Entry
Repaire Claim Form
RMA Tracking
Cue Visual Composer
touchONE Firmware
GLOSSARY

0 - 9, A - E

802.11b
A wireless networking standard that specifies a maximum data transfer rate of 11 Mbps. It operates in the 2.4 GHz frequency band.

802.11g
A wireless networking standard that specifies a maximum data transfer rate of 54 Mbps. It operates in the 2.4 GHz frequency band. This standard is backward compatible with 802.11b devices.

802.11n
A wireless networking standard that specifies a maximum data transfer rate of 540 Mbps. It operates in the 5 GHz and 2.4 GHz frequency bands. Expected release 2008.

802.3af
Power over Ethernet  (PoE) standard. A technology enabling an Ethernet network cable to deliver both data and power. The voltage is 44 - 57 V and about 13 W of power is available at the powered device. For more details see www.poweroverethernet.com.

802.3at
Proposed Power over Ethernet (PoE Plus) standard. A technology enabling an Ethernet network cable to deliver both data and power. The voltage is 50 - 57 V and 30 W of power will be available at the powered device. For more details see www.poweroverethernet.com.

Access Point
A device that allows wireless-equipped computers and other devices to communicate with a
wired network. Also used to expand the range of a wireless network.

Ad-hoc
A group of wireless devices communicating directly with each other (peer-to-peer) without the use of
an access point.

AES
(Advanced Encryption Standard)
A security method that uses symmetric 128-bit block data encryption.

Backbone
The part of a network that connects most of the systems and networks together, and handles the
most data.

Bandwidth
The transmission capacity of a given device or network.

Beacon Interval
Data transmitted on your wireless network that keeps the network synchronized.

Bridge
A device that connects different networks.

Broadband
An always-on, fast Internet connection.

Cable Modem
A device that connects a computer to the cable television network, which in turn connects to the Internet.

CSMA/CA
(Carrier Sense Multiple Access/Collision Avoidance)

A method of data transfer that is used to prevent
data collisions.

CTS
(Clear To Send)

A signal sent by a wireless device, signifying that it is ready to receive data.

Daisy Chain
A method used to connect devices in a series, one after the other.

DDNS
(Dynamic Domain Name System)
Allows the hosting of a website, FTP server, or e-mail server with a fixed domain name (e.g. www.cuesystem.com) and a dynamic IP address.

Default Gateway
A device that forwards Internet traffic from your local area network.

DHCP
(Dynamic Host Configuration Protocol)

A networking protocol that allows administrators to assign temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time, instead of assigning permanent IP addresses.

DMZ
(Demilitarized Zone)
Removes the Router's firewall protection from one PC, allowing it to be seen from the Internet.

DNS
(Domain Name Server)

The IP address of your ISP's server, which translates the names of websites into IP addresses.

Domain
A specific name for a network of computers.

Download
To receive a file transmitted over a network.

DSL
(Digital Subscriber Line)

An always-on broadband connection over traditional phone lines.

DSSS
(Direct-Sequence Spread-Spectrum)

Frequency transmission with a redundant bit pattern resulting in a lower probability of information being lost in transit.

DTIM
(Delivery Traffic Indication Message)
A message included in data packets that can increase wireless efficiency.

Dynamic IP Address
A temporary IP address assigned by a DHCP server.

EAP
(Extensible Authentication Protocol)

A general authentication protocol used to control network access. Many specific authentication methods work within this framework.

EAP-PEAP
(Extensible Authentication Protocol-Protected Extensible Authentication Protocol)

A mutual authentication method that uses a combination of digital certificates and another system, such as passwords.

EAP-TLS
(Extensible Authentication Protocol-Transport Layer Security)

A mutual authentication method that uses digital certificates.

Encryption
Encoding data transmitted in a network.

Ethernet
A networking protocol that specifies how data is placed on and retrieved from a common transmission medium.

F - P

Finger
A program that tells you the name associated with an e-mail address.

Firewall
A set of related programs located at a network gateway server that protects the resources of a network from users from other networks.

Firmware
The programming code that runs a networking device.

Fragmentation
Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.

FTP
(File Transfer Protocol)
A protocol used to transfer files over a TCP/IP network.

Full Duplex
The ability of a networking device to receive and transmit data simultaneously.

Gateway
A device that interconnects networks with different, incompatible communications protocols.

Half Duplex
Data transmission that can occur in two directions over a single line, but only one direction at a
time.

HTTP
(HyperText Transport Protocol)

The communications protocol used to connect to servers on the World Wide Web.

Infrastructure
A wireless network that is bridged to a wired network via an access point.

IP
(Internet Protocol)

A protocol used to send data over a network.

IP Address
The address used to identify a computer or device on a network.

IPCONFIG
A Windows 2000 and XP utility that displays the IP address for a particular networking device.

IPSec
(Internet Protocol Security)
A VPN protocol used to implement secure exchange of packets at the IP layer.

ISM band
Radio bandwidth utilized in wireless transmissions.

ISP
(Internet Service Provider)
A company that provides access to the Internet.

LAN
(Local Area Network)

The computers and networking products that make up your local network.

LEAP
(Lightweight Extensible Authentication Protocol)

A mutual authentication method that uses a username
and password system.

MAC Address
(Media Access Control Adress)
The unique address that a manufacturer assigns to each networking device.

Mbps
(MegaBits Per Second)
One million bits per second; a unit of measurement for data transmission.

mIRC - An Internet Relay Chat program that runs under Windows.

Multicasting
Sending data to a group of destinations at once.

NAT
(Network Address Translation)

NAT technology translates IP addresses of a local area network to a different IP address for the Internet.

Network
A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.

NNTP
(Network News Transfer Protocol)

The protocol used to connect to Usenet groups on the Internet.

Node
A network junction or connection point, typically a computer or work station.

OFDM
(Orthogonal Frequency Division Multiplexing)

Frequency transmission that separates the data stream into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from being lost in transit. 

Packet
A unit of data sent over a network.

PEAP
(Protected Extensible Authentication Protocol)

A mutual authentication method that uses a combination of digital certificates and another system, such as passwords.

Ping
(Packet INternet Groper)

An Internet utility used to determine whether a particular IP address is online.

POP3
(Post Office Protocol 3)

A standard mail server commonly used on the Internet.

Port
The connection point on a computer or networking device used for plugging in cables or adapters.

PoE
(Power over Ethernet)

A technology enabling an Ethernet network cable to deliver both data and power. For more details see 802.3af, 802.3at or www.poweroverethernet.com.

PPPoE
(Point to Point Protocol over Ethernet)
A type of broadband connection that provides authentication (username and password) in addition to data transport.

PPTP
(Point-to-Point Tunneling Protocol)

A VPN protocol that allows the Point to Point Protocol (PPP) to be tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.

Preamble
Part of the wireless signal that synchronizes network traffic.

R - Z

RADIUS
(Remote Authentication Dial-In User Service)
A protocol that uses an authentication server to control network access.

RJ-45
(Registered Jack-45)
An Ethernet connector that holds up to eight wires.

Roaming
The ability to take a wireless device from one access point's range to another without losing the connection.

Router
A networking device that connects multiple networks together.

RTS
(Request To Send)
A networking method of coordinating large packets through the RTS Threshold setting.

Server
Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.

SMTP
(Simple Mail Transfer Protocol)
The standard e-mail protocol on the Internet.

SNMP
(Simple Network Management Protocol)
A widely used network monitoring and control protocol.

SOHO
(Small Office/Home Office)

Market segment of professionals who work at home or in small offices.

SPI Firewall
(Stateful Packet Inspection Firewall)
A technology that inspects incoming packets of information before allowing them to enter the network.

Spread Spectrum
Wideband radio frequency technique used for more reliable and secure data transmission.

SSID
(Service Set IDentifier)
Your wireless network's name.

Static IP Address
A fixed address assigned to a computer or device that is connected to a network.

Static Routing
Forwarding data in a network via a fixed path.

Subnet Mask
An address code that determines the size of the network.

Switch
A data switch that connects computing devices to host computers, allowing a large number of devices to share a limited number of ports.

TCP
(Transmission Control Protocol)

A network protocol for transmitting data that requires acknowledgement from the recipient of data sent.

TCP/IP
(Transmission Control Protocol/Internet Protocol)
A set of instructions PCs use to communicate over a
network.

Telnet
A user command and TCP/IP protocol used for accessing remote PCs.

TFTP
(Trivial File Transfer Protocol)

A version of the TCP/IP FTP protocol that has no directory or password capability.

Throughput
The amount of data moved successfully from one node to another in a given time period.

TKIP
(Temporal Key Integrity Protocol)

A wireless encryption protocol that provides dynamic encryption keys for each packet transmitted.

Topology
The physical layout of a network.

TX Rate
Transmission Rate.

UDP
(User Datagram Protocol)

A network protocol for transmitting data that does not require acknowledgement from the recipient of the data that is sent.

Upgrade
To replace existing software or firmware with a newer version.

Upload
To transmit a file over a network.

URL
(Uniform Resource Locator)

The address of a file located on the Internet

VPN
(Virtual Private Network)

A security measure to protect data as it leaves one network and goes to another over the Internet.

WAN
(Wide Area Network)

The Internet.

WEP
(Wired Equivalent Privacy)
A method of encrypting network data transmitted on a wireless network for greater security.

WINIPCFG
A Windows 98 and Me utility that displays the IP address for a particular networking device.

WLAN
(Wireless Local Area Network)
A group of computers and associated devices that communicate with each other wirelessly.

WPA
(Wi-Fi Protected Access)
A wireless security protocol using TKIP (Temporal Key Integrity Protocol) encryption, which can be used in conjunction with a RADIUS server.