Appendix A Abbreviations and Acronyms

The abbreviations and acronyms used in this document.

Abbreviations

Full Name

AAL

ADSL

AIS

ATM

ATU-C

ATU-R

CBR

CV

DSLAM

ES

EOA

GE

IP

LAN

LOF

LOS

LPR

OAM

PCR

PSD

PVC

rtVBR

SCR

SNR

SNMP

UAS

UBR

VC

VCI

VCL

VDSL

ATM Adaptation Layer

Asymmetric Digital Subscriber line

Alarm Indication Signal

Asynchronous Transfer Mode

ADSL Transceiver Unit at the central office end

ADSL Transceiver Unit at the remote end

Constant Bit Rate

Coding Violation

Digital Subscriber line Access Multiplexer

Error Seconds

Ethernet over ATM

Gigabit Ethernet

Internet Protocol

Local Area Network

Loss of Frame

Loss of Signal

Loss of Power

Operation, Administration, and Maintenance

Peak Cell Rate

Power Spectral Density

Permanent Virtual Channel

Real time Variable Bit Rate

Sustainable Cell Rate

Signal-to Noise Ratio

Simple Network Management Protocol

Unavailable Seconds

Unspecified Bit Rate

Virtual Channel

Virtual Channel Identify

Virtual Channel Link

Very high-speed Digital Subscriber line

NCT480 IP DSLAM User Guide

YML856 Rev3

92

www.netcomm.com.au

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NetComm NCT480 manual Appendix a Abbreviations and Acronyms, RtVBR, SCR SNR Snmp UAS UBR VCI VCL Vdsl