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Glossary

List of Abbreviations

  • ACS

    Auto-Configuration Server

  • AES

    Advanced Encryption Standard

  • ALG

    Application Level Gateway

  • AMGC

    Access Media Gateway Controller

  • AWG

    American Wire Gauge

  • AWGN

    Additive White Gaussian Noise

  • BER

    Bit Error Rate

  • BPDU

    Bridge Protocol Data Unit

  • CAC

    Connection Admission Control

  • CIT

    Craft Interface Terminal

  • CoS

    Class of Service

  • CPE

    Customer Premises Equipment

  • CRC

    Cyclic Redundancy Check

  • CTRL

    Controller

  • CTS

    Common Technical Specification

  • FAP (Femto Access Point)

    FAP, a small cellular telephone base station

  • DBA

    Dynamic Bandwidth Allocation

  • DHCP

    Dynamic Host Configuration Protocol

  • DoS

    Denial of Service

  • DP

    Dial Pulse

  • DPBO

    Downstream Power Back-off

  • DSCP

    Differentiated Service Code point

  • DTMF

    Dual Tone Multi-frequency

  • ECID

    Emulated Circuit ID

  • EOC

    embedded operations channel

  • FCC

    Federal Communications Commission

  • FEC

    Forward Error Correction

  • FEXT

    Far-End Crosstalk

  • FITS

    Failure in Time

  • FSAN

    Full Service Access Network

  • FSK

    Frequency-Shift Keying

  • FTTx (Fiber to the x)

    FTTx (Fiber to the x) is a generic term for any broadband network architecture that uses optical fiber

  • FXS

    Foreign eXchange Station

  • GE

    Gigabit Ethernet

  • GEM

    GPON Encapsulation Method

  • GEPON

    GEPON (Gigabit Ethernet Passive Optical Network) system is composed of the Optical Line Terminal (OLT), Optical Distribution Network (ODN) and Optical Network Unit (ONU). PON (passive optic network), EPON is integrated with Ethernet technologies, and GEPON is a Gigabit EPON.

  • GPON

    Gigabit-capable Passive Optical Network

  • GUI

    Graphical Unit Interface

  • HDB3

    High Density Bipolar of Order 3

  • Home Gateway
    Home or Residential gateway is a home networking device, used as a gateway to connect devices in the home to the Internet or other WAN. It is multi-functional combining a DSL modem or cable modem, a network switch, providing LAN switching, a consumer-grade router, and a wireless access point.
  • ICMP

    Internet Control Message Protocol

  • IGMP

    Internet Group Management Protocol

  • INP

    Impulse Noise Protection

  • INP_min

    Minimum Impulse Noise Protection

  • IP

    Internet Protocol

  • IP

    Sec Internet Protocol Security

  • IP PBX (private branch exchange)

    IP PBX (telephone switching system) switches calls between VoIP (Voice over Internet Protocol) or IP users on local lines and certain external lines.

  • ISP

    Internet Service Provider

  • LAG

    Link Aggregation Group

  • LCL

    Longitudinal Conversion Loss

  • LED

    Light Emitting Diode

  • LOF

    Loss of Frame

  • LOS

    Loss of Signal

  • LPR

    Loss of Power

  • MCL

    Management Control List

  • MD

    6134-2

  • MIB

    Management Information Base

  • MLM

    Multi-Longitudinal Mode

  • MPCP

    Multi-Point MAC Control Protocol

  • MTBF

    Mean Time Between Failure

  • NE

    Network Element

  • NMS

    Network Management System

  • NRZ

    Non Return to Zero

  • OAM&C

    Operation, Administration, Maintenance and Configuration

  • ODN

    Optical Distribution Network

  • OLT

    Optical Line Terminal

  • ONT

    Optical Network Terminals

  • ONU

    Optical Network Units

  • ORL

    Optical Return Loss

  • OSS

    Operation Supporting System

  • PLOAM

    Physical Layer Operations, Administration and Maintenance

  • PMD

    Physical Media Dependent

  • POTS

    Plain Old Telephone Service

  • PPPoE

    Point-to-Point Protocol over Ethernet

  • PPTP

    Point to Point Tunneling Protocol

  • PSTN

    Public Switch Telephony Network

  • PW

    Pseudo-Wire

  • QoS

    Quality of Service

  • Residential gateway
    Residential or Home gateway is a home networking device, used as a gateway to connect devices in the home to the Internet or other WAN. It is multi-functional combining a DSL modem or cable modem, a network switch, providing LAN switching, a consumer-grade router, and a wireless access point.
  • RIN

    Relative Intensity Noise

  • RTP

    Real-time Transport Protocol

  • SAToP

    Structure-Agnostic of TDM over Packet

  • SFP

    Small Form-Factor Pluggable

  • SIP

    Session Initiation Protocol

  • SLA

    Service Level Agreement

  • SLM

    Single-Longitudinal Mode

  • SNI

    Service Node Interfaces

  • SNMP

    Simple Network Management Protocol

  • SNR

    Signal-to-Noise Ratio

  • SP

    Strict Priority

  • T-CONT

    Transmission Container

  • TC

    Transmission Convergence

  • TCP

    Transmission Control Protocol

  • TDMA

    Time Division Multiple Access

  • ToS

    Type of Service

  • UAS

    Unavailable Second

  • UDP

    User Datagram Protocol

  • UNI

    User Network Interface

  • UPBO

    Upstream Power Back-Off

  • USB

    Universal Serial Bus

  • VAD

    Voice Activity Detection

  • VDSL

    Very-high-bit-rate Digital Subscriber Line

  • VLAN

    Virtual Local Area Network

  • VOC

    VDSL2 Overhead Channel

  • VoIP

    Voice over Internet Protocol.
    VoIP, voice information is converted into digital packets and sent over the Internet, and then converted back into analog signals before reaching the phone receiver at the other end.

  • VTU-O

    VDSL2 Transmission Unit at the operator end of the loop (or optical network interface, central office, exchange, cabinet, etc.)

  • VTU-R

    VDSL2 Transmission Unit at the remote end