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Glossary
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BreezeMAX PRO 6000 Product Manual
Glossary
110
100BASE-TX
IEEE 802.3u specification for 100 Mbps Fast Ethernet over two pairs of
Category 5 or better UTP cable.
10BASE-T
IEEE 802.3 specification for 10 Mbps Ethernet over two pairs of
Category 3 or better UTP cable
Advanced Encryption Standard (AES)
An strong encryption algorithm that implements symmetric key
cryptography.
Access List (ACL)
A list of MAC addresses which are allowed to access the device
Automatic Gain Control (AGC)
Automatic electronic regulation by recording devices of video and audio
signals at a predetermined rate (by electronic control).
Authentication
The process to verify the identity of a client requesting network access.
IEEE 802.11 specifies two forms of authentication: open system and
shared key.
Auto-negotiation
Signalling method allowing each node to select its optimum operational
mode (speed and duplex mode) based on the capabilities of the node to
which it is connected.
Best Effort (BE)
One of the five QoS service types defined in the IEEE 802.16 WiMAX.
Base Station
A WIMAX service provider’s equipment that is installed at a fixed
location to provide network connectivity for subscriber stations within a
defined service area.
Broadcast Key
Broadcast keys are sent to stations using 802.1X dynamic keying.
Dynamic broadcast key rotation is often used to allow the access point
to generate a random group key and periodically update all
key-management capable wireless clients.
Channel Allocation Priority Level
(CAPL)
CAPL scan list is defined by the customer provisioned list. There are
some parameters with CAPL scan: NAPID, priority and RefID.
NAPID is used to filter some BS if the NAPID is not matched.
Priority is the customer defined priority scan order. Higher priority will be
scanned first.
RefID is a result of mapping from IDs into a scan list from the
channel
plan.
CINR
Carrier to Interference-plus-Noise Ratio (CINR), expressed in decibels
(dBs), is a measurement of signal effectiveness. The carrier is the desired
signal, and the interference can either be noise or co-channel
interference or both. In order for the signal receiver to be able to decode
the signal, the signal must fall into an acceptable CINR range, which
differs with the technology used (i.e., CDMA, GSM, etc.).
Clear to Send (CTS)
Signal that gives a modem permission to send data.
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BreezeMAX PRO 6000 Product Manual
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111
Calling Line Identification Restriction
(CLIR)
Controls the presentation of caller identity (via CLIP-Calling Line
Identification Presentation) in GSM networks. If CLIR is enabled, the
caller’s MSC (Mobile Switching Centre) indicates this restriction to the
destination MSC. The identity is then not forwarded to the destination
mobile station.
Customer Premise Equipment (CPE)
Customer Premise Equipment: Communications equipment that resides
on the customer's premises.
Dynamic Host Configuration Protocol
(
DHCP)
A protocol used to assign IP addresses to computers on a Microsoft NT
local area network
Domain Name System (DNS)
A mechanism used for translating host names for network nodes into IP
addresses.
Dynamic Domain Name System (DDNS)
A method, protocol, or network service that provides the capability for a
networked device to notify a domain name server to change the active
DNS configuration of its configured hostnames, addresses or other
information stored in DNS, in real-time.
Dynamic Host Control Protocol (DHCP)
Dynamic Host Configuration Protocol:
Provides a framework for passing
configuration information to hosts on a TCP/IP network. DHCP is based
on the Bootstrap Protocol (BOOTP), adding the capability of automatic
allocation of reusable network addresses and additional configuration
options.
(“Demilitarized Zone”) DMZ
A server that acts as "neutral zone" and separates an internal network
from a public one (in order to prevent outside access to a company's
private data.
Data/Digital Signal Processor (DSP)
A system that controls voice quality
Differentiated Services Code Point
(DSCP)
A field in the header of IP packets for packet classification purposes.
Dual Tone Multi Frequency (DTMF)
Allocation of a unique tone to each button on an appliance (made up of
two frequencies - high and low) that allows a computer to recognize the
tone.
Extended Real-time POLLING SERVICE
(ertPS)
One of the five QoS service types defined in the IEEE 802.16 WiMAX.
Ethernet
A popular local area data communications network, which accepts
transmission from computers and terminals.
Ethernet Conversion Sublayer (ETH CS)
A mode in which transmitted packets contain an 802.3 header
Encryption
Data passing between the SU-A-EZ and clients can use encryption to
protect from interception and evesdropping.
Extended Service Set (ESS)
Extended Service Set:
More than one wireless cell can be configured
with the same Service Set Identifier to allow mobile users can roam
between different cells with the Extended Service Set.
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112
Extensible Authentication Protocol
(EAP)
An authentication protocol used to authenticate network clients. EAP is
combined with IEEE 802.1X port authentication and a RADIUS
authentication server to provide “mutual authentication” between a
client, the access point, and the a RADIUS server
EAP-Tunneled Transport Layer Security
(EAP-TTLS)
An EAP protocol that extends TLS. (see
“Transport Layer Security (TLS)”
on page 115
)
File Transfer Protocol (FTP)
File Transfer Protocol:
A TCP/IP protocol used for file transfer.
Fully-qualified Domain Name (FQDN)
A fully-qualified domain name (FQDN), sometimes referred to as an
absolute domain name, is a domain name that specifies its exact
location in the tree hierarchy of the Domain Name System (DNS). It
specifies all domain levels, including the top-level domain, relative to the
root domain. A fully-qualified domain name is distinguished by this
absoluteness in the name space.
Hypertext Transfer Protocol (HTTP)
Hypertext Transfer Protocol:
HTTP is a standard used to transmit and
receive all data over the World Wide Web.
IDENT
An Internet protocol that helps identify the user of a particular TCP
connection.
IEEE 802.16e
A standard that provides mobile broadband wireless access using
Scalable Orthogonal Frequency Division Multiple Access (SOFDMA).
Internet Low Bitrate Codec (iLBC)
A free speech codec suitable for robust voice communication over IP. The
codec is designed for narrow band speech and results in a payload bit
rate of 13.33 kbit/s with an encoding frame length of 30 ms and 15.20
kbps with an encoding length of 20 ms. The iLBC codec enables graceful
speech quality degradation in the case of lost frames, which occurs in
connection with lost or delayed IP packets.
IP Conversion Sublayer (IP-CS)
A mode in which transmitted packets contain an 802.3 header
Itsy Package Management System
(IPKG, ipkg)
Itsy Package Management System - a lightweight package management
system designed for embedded devices.
Internet Protocol Security (IPsec)
A protocol suite for securing Internet Protocol (IP) communications by
authenticating and encrypting each IP packet of a data stream.
Jitter Buffer (JB)
A shared data area where voice packets can be collected, stored, and
sent to the voice processor in evenly spaced intervals. Variations in
packet arrival time, called jitter, can occur because of network
congestion, timing drift, or route changes. The jitter buffer, which is
located at the receiving end of the voice connection, intentionally delays
the arriving packets so that the end user experiences a clear connection
with very little sound distortion.
Local Area Network (LAN)
Local Area Network:
A group of interconnected computer and support
devices.
Layer 2 Tunneling Protocol (L2TP)
A tunneling protocol used to support virtual private networks (VPNs).
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113
Media Access Control (MAC)
Media Access Control: The lower of the two sub-layers of the data link
layer defined by the IEEE. The MAC sub-layer handles access to shared
media, such as whether token passing or contention will be used.
MAC Address
Standardized data link layer address that is required for every port or
device that connects to a LAN. Other devices in the network use these
addresses to locate specific ports in the network and to create and
update routing tables and data structures. MAC addresses are 6bytes
long and are controlled by the IEEE.
Maximum Transmission Unit (MTU)
Largest size of a data packet or frame that can be sent in one complete
unit over a packet-based computer network
Multiple Input Multiple Output (MIMO)
Using multiple antennas in a Wi-Fi device to improve performance and
throughput.
MSCHAPV2 (MS-CHAP. v2)
Microsoft version of the Challenge-handshake authentication protocol,
version 2. MS-CHAPv2 provides mutual authentication between peers by
adding a peer challenge upon the Response packet and an authenticator
response on the Success packet.
Network Access Point (NAP)
Network exchange point equipped with large-scale switching facilities
and serving as a connection point between individual Internet Service
Providers
Network Address Translation (NAT)
A system for reusing IP addresses - The process of modifying network
address information in datagram packet headers, while in transit, across
a router, in order to remap a given address space into another.
Network Time Protocol (NTP)
NTP is a protocol designed to synchronize the clocks of computers over a
network. The time servers operate in a hierarchical-master-slave
configuration in order to synchronize local clocks within the subnet and
to national time standards via wire or radio.
Open Mobile Alliance (OMA)
OMA DM (device Management) is a protocol specified by Open Mobile
Alliance (OMA) for Device Management purposes, by the Device
Management Working Group and the Data Synchronization (DS)
Working Group.
Orthogonal Frequency Division
Multiplexing (OFDM)
Orthogonal Frequency Division Multiplexing: OFDM allows multiple
users to transmit in an allocated band by dividing the bandwidth into
many narrow bandwidth carriers.
Physical Layer Device (PHY)
The term used for a transceiver in Fast Ethernet and Gigabit Ethernet
systems.

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