An Ethernet standard that supports Ethernet frames with two VLAN tags.

These VLAN identifiers are referred to as Service VLAN ID or SVID. Outer tag, and Customer VLAN ID or CVID, Inner tag.


An Ethernet satndard that uses the 3-bit PCP field in 802.1q VLAN tags to advise the network as to what class of service should be applied to the transport of the frame.

802.3/Ethernet II

Ethernet standards that define the format of standard untagged Ethernet frames.


Access Speed

The access speed of a circuit

Access Tail

The logical point to point connection between the MC device at the end user site and the service provider facing port on the EAS node.

Access Zone Classification

e.g. CBD, Metro, Urban, C, D, E


Asymmetric Digital Subscriber Line. A data communications technology that enables fast data transmission over copper telephone-grade lines.

Asynchronous Transmission

A serial data transmission method in which each character is transmitted as a self contained unit. Transmission is controlled by start and stop elements at the beginning and end of each character. Also called Star-Stop transmission.

ATA Voice Service

PSDN service over UFB (as per the ATA Voice Service Description)


Asynchronous Transfer Mode. A transfer mode in which the information is organised into cells. It is asynchronous in the sense that the recurrence of cells containing information from an individual user is not necessarily periodic.

Automated Pre-qualification

Means the automated delivery of information on the availability of services at a given address via the OSS/BSS.



The range of frequencies assigned to a channel or system. The difference expressed in Hertz between the highest and lowest frequencies of a band.


Means the Chorus baseband product. The baseband product is a technology neutral voice input service that will be bundled with a broadband product but can be provided on a standalone basis should a customer not require a broadband connection

Basic UBA

Basic Unbundled Bitstream Access

Basic UBA Access

The portion of the Basic UBA service between the ETP and the DSLAM.

Business as usual - the ongoing, everyday operation of businesses, processes and systems.
Best Industry Practice

Means the exercise of the skill, diligence, prudence, foresight and judgement, as determined by reference to good international practice generally applied in OECD countries, which would be expected from a highly skilled and experienced person under the same or similar circumstances  to those applicable under the UFB Services.


A contraction of the term Binary Digit. A bit can either be 0 or 1, OFF/On and is the smallest possible unit of information making up a character or word in digital code.


Transmission of charactter stream (i.e. a Data Stream, not a transmission protocol).

Bitstream Services

Services described in the Service Descriptions for Bitstream 2, 3, 3a, 4, ATA Voice, Multicast and UFB Handover Connection.


Bits per second. A measure of information transfer. The number of bits passing a point per second.


High speed internet connection.


Business Support Systems. These deal with the management of orders, product, customers and revenue

Build Cost

Cost for the LFC to build the co-location footprint requested.

Build Time

Time for the LFC to build the co-location Footprint requested measured from the time the Quote is accepted.

Bulk Service Request

Transfer or new connection of a large volume of service instances (see relevant Operations Manual)

Bursty applications

The length of the gaps between data transmissions exceed the length of the transmissions themselves. These include credit card verification, hotel and airline reservation applications and banking transactions.

Business Connection

Connection requested by a Service Provider in relation to an End User that is a Business (excluding an NBAP Connection).



Customer Edge device (typically a router supplied by the Service Provider) sited at the edge of the customer network at the End Users premise.

Central Office and POI Co-location Service

means a service that provides co-location facilities for a Service Provider's equipment, and access to a Handover Point, at the LFC's Central Office solely for the purposes of providing access to, and interconnection with, the LFC Network.

Central Office Entry Point

Means the congregation point for all ducts and cables that enter a Central Office that is nominated by the LFC.

Central Office ID

Means a unique alphanumeric identifier assigned by the LFC to a Central Office.


Crown Fibre Holdings Limited was established to manage the Government’s $1.5 billion investment in Ultra-Fast Broadband infrastructure.

CFH Debt Security

Means a debt security issued or, as the context may require, to be issued by New Chorus to CFH pursuant to the Subscription Agreement and on the terms set out in schedule 2 of the Subscription Agreemen.

CFH Equity Security

Means an equity security issued or, as the context may require, to be issued by New Chorus to CFH pursuant to the Subscription Agreement and on the terms set out in schedule 3 of the Subscription Agreement.

CFH Security

Means a CFH Debt Security and/or CFH Equity Security, as the context may require.

CFH Warrant

Means a warrant issued or, as the context may require, to be issued by New Chorus to CFH pursuant to the Subscription Agreement and on the terms set out in schedule 4 of the Subscription Agreement.

Chorus Services Agreement

Means the standard services agreement general terms of New Chorus (based on the form of such agreement used by Chorus prior to the Demerger), together with any particular terms relating to a specific service, as approved by New Chorus from time to time.


Commited Information Rate - amount of guaranteed throughput.


Chorus Network Specified Product

Co-location Build

Means the build work required by the LFC to provide the co-location footprint requested by the Service Provider.

Commerce Act

Means the Commerce Act 1986 of New Zealand.

Commerce Commission

Means the Commerce Commission of New Zealand.

Communal Infrastructure

Any fibre network infrastructure in the Coverage Area which is deployed independently by an End-User Specific Infrastructure and which is not located on Premises.

Companies Act

Means the Companies Act 1993 of New Zealand.

Copper Undertakings

Means undertakings pursuant to the Telecommunications Amendment Act, relating to the provision of copper products within the New Zealand telecommunications market.

Coverage Area

The geographic area serviced by a given Handover Point, assuming no backhaul, and will contain numerous DSLAMs.


Means the Consumer Price Index (all groups) published by Statistics New Zealand from time to time, or the percentage increase or decrease in that index over the relevant period, as the context requires.


Means Her Majesty the Queen acting in right of New Zealand.

Customer Authorisation

Valid authorisation for a Transfer Service Request by a customer or customer's duly appointed agent that meets the requirements of the Customer Transfer Code.

Customer Transfer Code

Code for the Transfer of Telecommunications Services approved by the Commission on 12 October 2006 and/or endorsed by the TCF on 3 November 2006, as applicable, and any equivalent replacement Code or Codes.


Chorus Wholesale Services Agreement. Means the standard wholesale services agreement general terms of New Chorus (based on the form of such agreement used by Wholesale prior to the Demerger), together with any particular terms relating to a specific service, as approved by New Chorus from time to time.


Deed of Operational and Governance Undertakings

The deed to be entered into following the issuance of the Final Court Orders and containing certain operational and governance undertakings to be given by Chorus in favour of the Crown in the form agreed between Telecom and CFH.

Deemed Acceptance Time

The time which is 4 Business Hours after the Receipt Time of a valid Service Request.

Demerged Business

The business conducted by the Chorus business unit prior to the Demerger Date, and certain aspects of the business currently conducted by the Wholesale business unit prior to the Demerger Date (including: fixed line telecommunications infrastructure, fixed access and aggregation services in New Zealand) and certain aspects of the New Zealand Government's ultra-fast broadband initiative; and certain aspects of the business conducted by the Technology and Shared Services, and Corporate business units prior to the Demerger Date.


The proposed demerger of New Chorus from Telecom to be implemented through the Scheme on the Demerger Date.

Demerger Date

30 November 2011 when Telecom and Chorus became separate entities.

Demerger Distribution

The entitlement of each Telecom Shareholder to the distribution of an amount equal to the volume weighted average price of one New Chorus Share as traded on the NZSX over the last five trading days prior to the Demerger Date, for each five Telecom Shares held by that Telecom Shareholder as at the Record Date (subject to rounding in accordance with the Separation Arrangement Plan), which Telecom will apply to pay for the New Chorus Shares to be transferred pursuant to the Separation Arrangement Plan to Eligible Shareholders and the Sale Agent.

Direct Fibre Access

Means the service described in the Direct Fibre Access Service Description.


The length of time that an End user is without service.


Digital Subscriber Line. Is a family of communications technologies allowing high-speed data over existing copper-based access networks in the local loop.


Digital Subscriber Line Access Multiplexer. A device that connects many digital subscriber lines to a network by multiplexing the DSL traffic onto one or more network trunk lines.



Ethernet Access Node

An NGN Ethernet capable exchange site to which an end user fibre access (HSNS access tail) connects directly.


Ethernet Access Private Line.


Ethernet Access Virtual Private Line.


Earnings before interest and tax expense.


Earnings before interest, tax expense, depreciation and amortisation.


The point where traffic is delivered to the End User from the Chorus supplied MC, as well as traffic delivered to the Service Provider from the port on the EAS.


Excess Information Rate.  This is the amount of un-guaranteed throughput.


Ethernet Multicast Access.  A service that supports the transmission of multi-cast traffic from a SP to multiple UNI's simultaneously.

End User Tenancy

The premises of an End User (i.e. apartment, townhouse, office, shop etc) in a Multi Dwelling Unit to which the SP directs the LFC to provide services.

End User-Specific Infrastructure

The infrastructure in the Coverage Area separate from, and connecting with, the Communal Infrastructure and the Layer 2 Communal Infrastructure to provide service to End User connections.


External Network-to-Network Interface.


Ethernet Virtual Connection

A Metro Ethernet forum defined Ethernet point-to-point connection.



Invoices provided in an electronic format.


Fault Restoration Hours

Means 7.00am to 7.00pm, seven days a week.  Fault Restoration Hour means one hour within this period.


Fibre Flexibility Point.  A roadside cabinet where the feeder fibre from the Central Office is connected or patched to the distribution fibre to the End User Premises.

Fibre Access Point or FAP

A point on the End User Premises boundary where the Fibre Lead-in connects to the distribution network.

Fibre Lead-in

The fibre from the Fibre Access Point to a jack inside the End User's Premises or OFDF.

Fibre Undertakings

Undertakings pursuant to the Telecommunications Amendment Act, relating to the provision of fibre products within the New Zealand telecommunications market.

First Data Switch

The Term applied to the first EAS after the access node.  This is the first Layer 2 Handover Point at which a SP can connect to the Chorus network.


Means any or all of the Forecasts required to be provided by the Service Provider in an Operations Manual.

Forecast Service Requests

Means a forecast Service Requests, as reported in a Forecasting Report.

Forecasting Template

Means the template provided by the LFC either as an Excel spreadsheet, or a web based template for each Forecast type.

Frame Delay

This is a measurement of how long an Ethernet Frame takes to traverse part of the network, typically UNI to the POI.

Frame Delay Variation

This is the amount at which the Frame Delay is allowed to vary across multiple Frame Delay measurements.

Frame Loss

This is the amount of in-profile frames that are dropped between ingress and the point of measurement, typically the POI.


File Transfer Protocol


Fibre-to-the-node. Is a local access network architecture with fibre from the local exchange to the roadside cabinet and a copper connection from the roadside cabinet to the end-user premise.  Typically the FTTN local access network architecture allows for higher data speeds and capacity than if the end-user premise is served with copper from the local exchange, but lower speeds and capacity than a FTTP local access network.


Fibre-to-the-premise. Is an all-fibre local access network architecture with fibre from the local exchange to the end-user premise.  Typically the FTTP local access network architecture allows for the highest data speeds and capacity which enables high bandwidth end-user services such as IPTV.  The objective of the New Zealand Government led UFB Initiative is to deploy ultra-fast broadband via a FTTP network to 75% of New Zealanders by 2019.


Means financial year ending 30 June.



Single-Pair High-Speed Digital Subscriber Line (SHDSL).

A form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voice band modem can provide.


Ground Level Closure


A model of a subshelf installed in the FFP cabinet.



Information and communication technologies.

Interference Management Plan

The NZ copper Local Loop Interference Management Plan defined in the UCLL Standard Terms Determination.


Internet Service Provider.



A layer 2 MPLS VPN also known as a L2VPN is a point-to-point pseudo-wire service which defines methods to transport layer 2 packets across MPLS networks.  It can be used to replace existing physical links.


L2TP Access Concentrator - a function provided by the BRAS.


Local Aggregation Path, operating between the End User DSLAM, and Chorus's first data switch other than a DSLAM.

Layer 1

Layer 1 within the OSI model is classified as the physical layer and within a telecommunications fixed access network this can be considered to comprise copper and fibre cables and co-location space inside exchanges or cabinets.

Layer 2

Layer 2 within the OSI model is classified as the data link layer and provides the functional and procedural means to transfer data between network entities.  Within the telecommunications fixed access network this can be considered to comprise the Bitstream equipment and services which transmit basic data from one point in the network to another over the Layer 1 physical assets.

Layer 3

The Network Layer is the third layer of the OSI model. Layer 3 is responsible for end-to-end (source to destination) packet delivery. Layer 3 is typically associated with routing. Layer 3 services are often referred to as ‘managed services’.


Lucent Connector / Angle Polished Connector


Link Control Protocol (see PPP).


Local Fibre Company. Being an entity in which CFH, the Government and a partner will hold shares, and through which the investment of CFH and the partner in relation to the UFB Initiative will be effected


Logic Link Control (IEEE 802.2).


L2TP Network Server.


Long Term Evolution. A fourth-generation fully packet based mobile network technology that is capable of providing more efficient and faster data transfer than 3G



Media Converter

Copper-to-optical converters provide a transparent Ethernet link between copper medium and fibre-optic medium.  These devices convert and forward Ethernet frames from electrical signals to fibre signals and vice versa.


Metro Ethernet Forum.  An international standards body that defines technical specifications and Ethernet service attributes for Ethernet based services.


Within a designated Metropolitan area.


Multiprotocol Label Switching - Data carrying mechanismbelonging to the family of packet-switched networks.


Maximum Receive Unit


Mean time between error events is a measure of the line stability and it reflects the frequency of error events and/or code violations of the cyclic redundancy check on the DSL physical layer.



The fibre-to-the-premise (FTTP) network being constructed in Australia by NBN Co Limited.


Network to Network Interface.


New Zealand


New Zealand Standard


New Zealand Standard Time


Operational Separation Undertakings

Means the Telecom operational separation undertakings in the form provided to the Minister of Communications and Information Technology on 25 March 2008 and approved by the Minister pursuant to Part 2A of the Telecommunications Act, as such undertakings may be amended or replaced from time to time.

OTC market

Over-the-counter market. In the United States


Optical Test Domain Reflectometer



Password Authentication Protocol.

Parent Coverage Area

One of the Coverage Areas associated with a Handover Point

Parent Handover Point

The Handover Point for the Parent Coverage Area.


Peak Cell Rate


Public Data Network.


Provider Edge - Provider edge router at the edge of the Service Provider network


Point of Interconnect. A centralised point within a UFB candidate area (generally the most central/largest exchange) where service providers can place equipment and accept UFB handover services aggregating individual end user connections.


Passive Optical Network


Point of Presence - physical location of the Service Provider's network equipment.


A single building or structure located on a defined geographical site (such as may be evidenced by a certificate of title), which has a unique physical address recognised by NZ Post, and is occupied by or could readily be occupied by a potential end-user.


Public Switched Telephone Network. A nationwide dial-up telephone network used, or intended for use, in whole or in part, by the public for the purposes of providing telecommunications between telephone devices



Remote Authentication Dial-in User Service.


Rural Broadband Initiative. The Government led initiative to deliver access to faster broadband to rural areas of New Zealand which Telecom and Vodafone have each agreed to rollout in partnership with the Government, as described in section 5.5.3


The part of a username after the @ symbol.


Within a designated Regional area.

Rural Broadband Initiative

Means the Government led initiative to deliver access to faster broadband to rural areas of New Zealand which Telecom and Vodafone have each agreed to rollout in partnership with the Government, as described in section 5.5.3.



Sustained Data Rate (Throughput).  The maximum average data rate (in kilobits per sec) for a given packet size that can be sustained across an access circuit.

Share Registrar

Computershare Investor Services Limited (New Zealand).


Service Level Agreement - contract between network service provider and customer, specifying what services the network service provider will furnish.


Sub Loop Extension Service. This service allows retail service providers to connect a sub loop UCLL line from a roadside cabinet to the local exchange to enable them to continue to offer phone and/or broadband service from the exchange in areas that have been cabinetised


Sub Loop Unbundling. Enables retail service providers to gain direct access to New Chorus’ roadside cabinets, enabling them to house their own telecommunications network equipment within the roadside cabinet and connecting to the final copper connection to the end-user Premise.  SLU is part of the regulated copper product suite that New Chorus will offer to its customers.


Small and medium-sized enterprise.


SubNetwork Access Protocol (RFC1042)


Synchronous Transfer Method.


Telecommunications Act

Means the Telecommunications Act 2001 of New Zealand.

Telecommunications Amendment Act

Means the Telecommunications (TSO, Broadband, and Other Matters) Amendment Act 2011 of New Zealand.

Truck Roll

Refers to an engineer or field service representative making a physical visit to a site to make alterations to the network or service.


Telecommunications Service Obligation recorded in the TSO Deed.

TSO Deed

Telecommunications Service Obligation Deed for Local Residential Telephone Service between the Crown and TNZL, dated December 2001.



Unbundled Bitstream Access. Allows retail service providers direct access to the high speed copper Bitstream access links, enabling them to use New Chorus' equipment in the local access network to deliver high speed broadband services, rather than having to invest in deploying their own equipment.

UBA Backhaul

Unbundled Bitstream Access (UBA) backhaul. Allows retail service providers to access the regional backhaul network to enable them to build a nationwide presence incrementally, without having to invest in their own dedicated backhaul.  Within New Zealand UBA backhaul services are a regulated set of services and products that will be offered by New Chorus.


Unspecified Bit Rate.


Unbundled copper low frequency service.


Unbundled Copper Local Loop. Is a service that enables retail service providers access to, and interconnection with, the copper local access network, including any relevant end-user line.  With the UCLL access service the retail service provider is able to use its own equipment without the need to replicate the copper local loop from the local exchange to the end-users premise

UCLL Backhaul

Unbundled Copper Local Loop backhaul. Is a service that enables retail service providers access and interconnection with the UCLL services mentioned above across the wider local access network, between multiple exchanges.  UCLL backhaul services do this by giving retail service providers access to transmission capacity in the access network by enabling the aggregation of their traffic between the local exchange to the handover point within the retail service providers own network.


Ultra-Fast Broadband.

UFB Agreements

The contracts agreed between Chorus and CFH relating to Telecom's participation in the UFB Initiative and falling under the definition of "Transaction Documents" in the Interim Period Agreement including:

  • the Interim Period Agreement;
  • the Network Infrastructure Project Agreement;
  • the Subscription Agreement;
  • the Deed of Operational and Governance Undertakings; and
  • the New Products Commitment Agreement 
UFB Initiative

The Government led initiative to aim to enable 75% of New Zealanders to be able to access ultra-fast broadband by 31 December 2019 as set out in section 3.3, and of which New Chorus will become a cornerstone participant if the Demerger proceeds.

UFB Network

The fibre-to-the-premise (FTTP) network constructed pursuant to the UFB Initiative.

UPC Lite

Unbundled Partial Circuit - Lite.  A legacy, layer 2 copper access tail circuit deliverd over Chorus's ATM access network.


Basic UBA Regional Service Area.

Also called a Coverage Area.


Unbundled Service Aggregation Point.  Also called a Handover Point.



Very High Speed Digital Subscriber Line. Is a high speed variant of the DSL family of products.


Very High Speed Digital Subscriber Line. Is the highest speed variant of the DSL family of products.


a 12 bit field specifying the VLAN to which a frame belongs.


Virtual Leased Line - uses pseudo-wire encapsulation for transporting Ethernet traffic over an MPLS tunnel across an IP/MPLS network.

Voice Access Service

Residential Voice Access Service or Business Voice Access Service.


Virtual Private Network - communications network tunnelled through another network



The reference offer approved by CFH (and any subsequent amendments) as the terms on which New Chorus will provide UFB services in UFB candidate areas.


Wholesale Services Price List containing the charges for UPC Lite.