ADSL |
Asymmetric Digital Subscriber Line |
ADSL Max |
BT's term for their commercial rate-adaptive DSL products |
ADSL2 |
ADSL up to 12Mb |
ADSL2+ |
ADSL up to 24Mb |
Aggregation Node |
A Point of Presence (POP) aggregating supply of local Next Generation Access (NGA) subscribers, or service provision from multiple suppliers, or both. |
AIP |
Access Infrastructure Provider |
ALA |
Active Line Access |
ANCP |
Access Node Control Protocol |
ATA |
Analogue Telephony Adapter |
B2B |
Business to Business |
BIS |
Department for Business, Innovations & Skills (Govt. dept.) |
BRAS |
Broadband Remote Access Server |
Brownfield |
Abandoned or underused industrial and commercial facilities available for re-use |
BSG |
Broadband Stakeholder Group |
CBN |
Community Broadband Network |
CGA |
Current Generation Access |
CHP |
Central Handover Point |
CO |
Central Office |
ConDoc |
Consultation Document |
COTS |
Commercial, Operational and Technical Standards Project for Independent Local Access Networks (The COTS Project) |
CP |
Communication Provider (same as Service Provider) |
CPE |
Customer Premise Equipment |
CVLAN |
Customer Virtual Local Area Network |
DEA |
Dedicated Ethernet Access |
DLE |
Digital Local Exchange |
DSLAM |
Digital Subscriber Line Access Multiplexer |
EAD Flex |
Ethernet Access Direct - Flex |
E-ALA |
Ethernet Active Line Access |
EMP |
Equivalence Management Platform |
FDP |
Fibre Distribution Point |
FIRS |
Fibre Integrated Reception System |
FTTC |
Fibre To The Cabinet |
FTTH |
Fibre To The Home |
FTTP |
Fibre To The Premises |
FTTx |
Fibre To The x |
GEA |
Generic Ethernet Access |
GPON |
Gigabit Passive Optical Network |
Greenfield |
Piece of undeveloped land (the 'opposite' of Brownfield land) |
Head End |
A central control device required by some networks |
ILAN |
Independent Local Access Networks |
INCA |
Independent Networks Cooperative Association |
IRS |
Integrated Reception System |
LLU |
Local Loop Unbundling |
LTE |
Long Term Evolution |
MALR |
Max Achievable Line Rate |
MDU |
Multi-Dwelling Unit |
MPF |
Metallic Path Facility |
NGA |
Next Generation Access |
NICC |
UK Standards body, looking at Ethernet-ALA standards for NGA |
NTE |
Network Terminating Equipment |
NTE5 |
The NTE5 is the type of master socket that is commonly installed. It allows easy testing of the BT network by removal of the front lower faceplate to reveal the test socket. IDC terminals on the rear connect to the incoming BT line, IDC terminals on the front faceplate allow the end user to easily connect internal telephone extension wiring. |
OLT |
Optical Line Termination |
ONT |
Optical Network Terminal |
Open Access |
Term given to describe a network or access that allows multiple providers/CPs to offer service |
OSCP |
On Site Connection Point |
P2P |
Point To Point |
PATS |
Publicly Available Telephone Service |
PCP |
Primary Connection Point - BT term to describe the cabinets at the side of the road |
PIA |
Physical Infrastructure Access |
PON |
Passive Optical Network |
Portal |
A gateway or site that functions as a point of access - in this case, for ordering |
POTS |
Plain Old Telephone Service |
PPP |
Point to Point Protocol |
QoS |
Quality Of Service |
R1300 |
BT - part of EMP |
RDA |
Regional Development Agency |
SLU |
Sub-Loop Unbundling |
SMP |
Significant Market Power |
SMPF |
Shared Metallic Path Facility |
SP |
Service Provider |
Splitter |
Allows a single fibre optic cable to serve multiple premises - used in PON networks - no power is required |
SSFP |
Service Specific Face Plate |
Superfast broadband |
Term given to broadband speeds of over 24Mb (ADSL2+ speeds) |
SVLAN |
Service Virtual Local Area Network |
TSB |
Technology Strategy Board |
TWG |
Triallist Working Group |
USO |
Universal Service Obligation |
VDSL |
Very High Bitrate DSL (also known as VHDSL) |
VDSL2 |
Second-generation VDSL2 systems (ITU-T G.993.2 Approved in February 2006) utilize bandwidth of up to 30 MHz to provide data rates exceeding 100 Mbit/s simultaneously in both the upstream and downstream directions. The maximum available bit rate is achieved at a range of about 300 meters; performance degrades as the loop attenuation increases. |
VLAN |
Virtual Local Area Network |
VoNGA |
Voice Over NGA |
VULA |
Virtual Unbundled Local Access |
WBC |
Wholesale Broadband Connect |
WBMC |
Wholesale Broadband Managed Connect |
WiMax |
Worldwide Interoperability for Microwave Access |
WLR |
Wholesale Line Rental |
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