Glossary: Difference between revisions

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==General Terms related to AAISP==

==DSL Related==

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;DSL:Digital Subscriber Line. E.g. ADSL, FTTC/VDSL, Gfast.

;ADSL:Asymmetric Digital Subscriber Line

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;VDSL:Very-high-bit-rate Digital Subscriber Line

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;FTTC:Fibre to the Cabinet. Fibre optic cables to the cabinet, and then copper to the premises.

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;FTTP:Fibre to the Premises. Broadband running over fibre optic cables. The data is sent through light lasers. No copper pair is required. Fastest speed.

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;G-Fast:Addition on the cabinet that gives faster speed. Higher frequencies.

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;TAM:Test Access Module

;BRAS:Broadband Remote Access Server (Takes PPP from EU and passes it to ISP by [[L2TP]])

;CPE:Customer Premise Equipment (router or modem)

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;DSL:Digital Subscriber Line. E.g. ADSL, FTTC/VDSL, Gfast.

;DSLAM:Digital Subscriber Line Access Modulator

;DLM:Dynamic Line Management

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;FTTC:Fibre to the Cabinet. Fibre optic cables to the cabinet, and then copper to the premises.

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;VP:Virtual Path - a link between an Exchange and the BRAS

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;FTTP:Fibre to the Premises. Broadband running over fibre optic cables. The data is sent through light lasers. No copper pair is required. Fastest speed.

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;G-Fast:Addition on the cabinet that gives faster speed. Higher frequencies.

;L2TP: A standard system called Layer Two Tunnelling Protocol (L2TP) which allows you (using suitable software or equipment) to connect to us via another Internet access service.

;LTS:L2TP tunnel switch - the router on the wholesaler's network (eg TalkTalk) that forwards the LT2TP to the ISP. Also see; [https://www.juniper.net/documentation/en_US/junos/topics/topic-map/l2tp-tunnel-switching-multiple-domains.html L2TP on Juniper's website]

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;TAM:Test Access Module

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;VDSL:Very-high-bit-rate Digital Subscriber Line

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;VP:Virtual Path - a link between an Exchange and the BRAS

==BT Fault Terms==

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See also BT's jargon buster at https://www.openreach.co.uk/orpg/home/products/serviceproducts/orderandfaulttracker/faulthandling/faulttrackerjargonbuster.do

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;AI:Action Item

;BBCR:BroadBand Customer Reporting (BT)

;BBEU:WBC EUA Service ID (Circuit ID)

;~~CRD~~:Customer ~~Required by Date~~

;CA:Customer Apparatus

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;CDTA:Conscious Decision To Appoint - force booking an Openreach engineer

;CP:Communications Provider

;CRD:Customer Required by Date

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;DP:Distribution Point

;ELF:Early Life Failure - A fault soon after an install

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;EU:End User

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;CDTA:Conscious Decision To Appoint - force booking an Openreach engineer

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;FaultReportAdvised C:The result after running a PSTN line test. Usually Y or N, bur C means test Inconclusive/ Not Completed - Fault Report may be raised if CP believes there is a problem on BT network charges may be incurred if the fault is subsequently shown to be off BT network

;FTR:Fault Threshold Rate - The speed at which the line is considered at fault

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;DP:Distribution Point

;KBD:Knowledge Based Diagnostics

;KCI:Keep Customer Informed

;KCI:Keep Customer Informed. SMS or Email informing customers of any line discrepancies.

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;MBORC:Matters Beyond Our Reasonable Control. Used by BT to indicate that they're suspending normal fix guarantees as some external event has made it impossible to achieve them (e.g. a fire, storms, terror attack).

;MFL:Main Fault Location

;KCI:Keeping Customers Informed (BT term)

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;EU:End User

;CA:Customer Apparatus

;MPF:Metallic Path Facility

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;NTE:Network Termination Equipment

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;MBORC:Matters Beyond Our Reasonable Control. Used by BT to indicate that they're suspending normal fix guarantees as some external event has made it impossible to achieve them (e.g. a fire, storms, terror attack).

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;NTE5:Network Termination Equipment, 5th version

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;AI:Action Item

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;WAC:Work Allocation Controls (team)

;PONR:Point of No Return - e.g. when an engineer is booked and cannot now be cancelled.

;PCP:Primary Cross-connect Point

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;RA:Rate Adaptive

;REIN:Repetitive Electrical Impulse Noise - some sort of interference causing problems with a broadband line - tricky to pinpoint, patience needed in diagnosing these faults.

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;FaultReportAdvised C:The result after running a PSTN line test. Usually Y or N, bur C means test Inconclusive/ Not Completed - Fault Report may be raised if CP believes there is a problem on BT network charges may be incurred if the fault is subsequently shown to be off BT network

;RWT:Right When Tested

;SIN:Supplier Information Note [BT]

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;TPM:Tie Pair Modify - The cable from the MDF (main distribution frame) to the DSLAM port is replaced

;TSO:Technology Service and Operations - a department within BT

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;WAC:Work Allocation Controls (team)

;WLR:Wholesale Line Rental

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;NTE:Network Termination Equipment

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;NTE5:Network Termination Equipment, 5th version

==BT Fault Locations==

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;CA:Fault located at Customer Apparatus

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;CE:Fault located at Customer Equipment. Provides further breakdown of a CA fault

;DT:Diagnostic Test required to establish fault

;EX:Fault located in Exchange

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;LN:Fault Located in Local Network

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;CE:Fault located at Customer Equipment. Provides further breakdown of a CA fault

;FU:Fault Located at Frames Unit. Provides further breakdown of an EX fault.

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;LN:Fault Located in Local Network

==Openreach PSTN Fault Types==

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;DRW:Damage at the end users site

;DRA:Damage Report Apparatus

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;ESF:Exchange Service Facility

;FNT:Faint Transmission

;MOD:No other equipment, retried

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;WNO:Wrong Numbers Obtained

;XL:Crossed lines

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;ESF:Exchange Service Facility

==Services Related==

;BT:British Telecom

;BTOR:British Telecom Openreach

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;OR:Openreach

;BTW:BT Wholesale

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;CLI:Caller Line Identification (re telephony)

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;TTW:TalkTalk Wholesale

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;CLI:Command Line Interface

;DNS:Domain Name System/Server

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;VoIP:Voice over Internet Protocol

;CDR:Call Detail Records - Call logs

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;CQM:Constant Quality Monitoring - the name given to the monitoring graphs used on the control pages and FireBricks. Customers and staff can view these graphs in near real time and historical graphs. It’s updated every 100 seconds. Sends an LCP echo every second (a bit like a PING).

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;SIP:Session Initiation Protocol - Sets up a VoIP call.

;DNS:Domain Name System/Server. Translates domain name to an IP address to have an internet location.

;Domain:Text/written address of an IP address. DNS translates this to an IP address to be understood by a computer.

;DS:Delegation signer (The record used to identify the DNSSEC signing key of a delegated zone)

;Hostname:Used in association with domain name. E.g. support.aa.net.uk.

;IDN:Internationalised Domain Name

;IP:Internet Protocol

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;MSO:Major Service Outage - some sort of fault that will be affecting lots of customers - should be on https://aastatus.net.uk

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;CQM:Constant Quality Monitoring - the name given to the monitoring graphs used on the control pages and FireBricks

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;OR:Openreach

;RIPE:The Réseaux IP Européens Network - the organisation in Europe who manage IP addresses

;SIM:Subscriber identity module

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;SIP:Session Initiation Protocol - Sets up a VoIP call.

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;CLI:Caller Line Identification (re telephony)

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;TTW:TalkTalk Wholesale

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;CLI:Command Line Interface

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;VoIP:Voice over Internet Protocol

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;MSO:Major Service Outage - some sort of fault that will be affecting lots of customers - should be on https://aastatus.net.uk

==Email Related==

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;IMAP:Internet Message Access Protocol

;POP3:Post Office Protocol, Version 3

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;IMAP:Internet Message Access Protocol

;SMTP:Simple Mail Transfer Protocol

==VoIP Related==

;ALG:Application Layer Gateway - typically software in a router to try to help with VoIP calls, often needing to be disabled

==Network Related==

;MTU:Maximum Transmission Unit

;MRU:Maximum Receive Unit

;IP:Internet Protocol

;TCP:Transmission Control Protocol

;PPP:Point to Point Protocol

;LCP:Link Control Protocol

;[[L2TP]]:Layer 2 Tunneling Protocol

==Other==

;IRC:Internet Relay Chat - an online chat room, AAISP have one, see the contact page. You can talk to staff and customers

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;TCH:Telecity Hex - a datacentre in London run by Equinix AKA HEX, LD8, LOH - A&A have racks there

;THN:Telehouse North - a datacentre in London - A&A have racks there

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;TCH:Telecity Hex - a datacentre in London run by Equinix AKA HEX, LD8, LOH - A&A have racks there