NetComm IP DSLAM NCT480 - Manual (Page 92)

NCT480 IP DSLAM User Guide YML856 Rev3
www.netcomm.com.au
APPeNDIx A ABBRevIATIONS AND ACRONyMS
The abbreviations and acronyms used in this document.
Abbreviations full Name
AAL ATM Adaptation Layer
ADSL Asymmetric Digital Subscriber line
AIS Alarm Indication Signal
ATM Asynchronous Transfer Mode
ATU-C ADSL Transceiver Unit at the central office end
ATU-R ADSL Transceiver Unit at the remote end
CBR Constant Bit Rate
Cv Coding Violation
DSLAM Digital Subscriber line Access Multiplexer
eS Error Seconds
eOA Ethernet over ATM
Ge Gigabit Ethernet
IP Internet Protocol
LAN Local Area Network
LOf Loss of Frame
LOS Loss of Signal
LPR Loss of Power
OAM Operation, Administration, and Maintenance
PCR Peak Cell Rate
PSD Power Spectral Density
PvC Permanent Virtual Channel
rtvBR Real time Variable Bit Rate
SCR Sustainable Cell Rate
SNR Signal-to Noise Ratio
SNMP Simple Network Management Protocol
UAS Unavailable Seconds
UBR Unspecified Bit Rate
vC Virtual Channel
vCI Virtual Channel Identify
vCL Virtual Channel Link
vDSL Very high-speed Digital Subscriber line