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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

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==ADSL Related==
==DSL Related==
 
;DSL:Digital Subscriber Line
;ADSL:Asymmetric Digital Subscriber Line
;VDSL:Very-high-bit-rate Digital Subscriber Line
;FTTC:Fibre to the Cabinet
;FTTP:Fibre to the Premises
;TAM:Test Access Module
;BRAS:Broadband Remote Access Server (Takes PPP from EU and passes it to ISP by [[L2TP]])
;ADSL:Asymmetric Digital Subscriber Line
;BRAS:Broadband Remote Access Server
;CPE:Customer Premise Equipment (router or modem)
;DSLAM:Digital Subscriber Line Access Modulator
;DLM:Dynamic Line Management
;VP:Virtual Path - a link between an Exchange and the BRAS
 
==BT Fault Terms==
 
See also BT's jargon buster at https://www.openreach.co.uk/orpg/home/products/serviceproducts/orderandfaulttracker/faulthandling/faulttrackerjargonbuster.do
 
;BBCR:BroadBand Customer Reporting (BT)
;BBEU:WBC EUA Service ID (Circuit ID)
;CRD:Customer Required by Date
;CP:Communications Provider
;ELF:Early Life Failure - A fault soon after an install
;CDTA:Conscious Decision To Appoint - force booking an Openreach engineer
;FTR:Fault Threshold Rate - The speed at which the line is considered at fault
;DP:Distribution Point
;KBD:Knowledge Based Diagnostics
;KCI:Keep Customer Informed
;MFL:Main Fault Location
;KCI:Keeping Customers Informed (BT term)
;EU:End User
;CA:Customer Apparatus
;MPF:Metallic Path Facility
;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).
;AI:Action Item
;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
;PEW:Planned Engineering Works
;POH:Point of Handover
;RA:Rate Adaptive
;REIN:Repetitive Electrical Impulse Noise
;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]
;SMPF:Shared Metallic Path Facility
;SP:Service Provider (e.g. AAISP)
;SSFP:Service Specific Front Plate
;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
;WLR:Wholesale Line Rental
;NTE:Network Termination Equipment
;NTE5:Network Termination Equipment, 5th version
 
==BT Fault Locations==
 
See also BT's jargon buster at https://www.openreach.co.uk/orpg/home/products/serviceproducts/orderandfaulttracker/faulthandling/faulttrackerjargonbuster.do
 
;CA:Fault located at Customer Apparatus
;DT:Diagnostic Test required to establish fault
;EX:Fault located in Exchange
;LN:Fault Located in Local Network
;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.
 
==Openreach PSTN Fault Types==
Terms used to describe a fault type on a PSTN phone line. When reporting a PSTN fault to Openreach one of these terms is used to describe the fault.
;BNR:Bell not ringing
;BR:Bell ringing continuous
;CCS:Call minder problems
;CDT:Continuous Dial Tone
;CO:Cuts off
;DRO:Damage to aerial cables
;DRU:Damage outside end user premises
;DRW:Damage at the end users site
;DRA:Damage Report Apparatus
;FNT:Faint Transmission
;MOD:No other equipment, retried
;NDT:No dial tone
;NR:Dial tone no answer
;NSY:Noisy
;NT:No Tone
;NU:Number not Obtainable
;OHR:Overhearing
;OWT:One Way Transmission
;PET:Permanently engaged tone
;RTP:Ring Trip
;UTR:Unable to trip ringing
;WNO:Wrong Numbers Obtained
;XL:Crossed lines
;ESF:Exchange Service Facility
 
==Services Related==
;BT:British Telecom
;BTOR:British Telecom Openreach
;OR:Openreach
;BTW:BT Wholesale
;TTW:TalkTalk Wholesale
;DNS:Domain Name System/Server
;VoIP:Voice over Internet Protocol
;CDR:Call Detail Records - Call logs
;SIP:Session Initiation Protocol - Sets up a VoIP call.
;DS:Delegation signer (The record used to identify the DNSSEC signing key of a delegated zone)
;IDN:Internationalised Domain Name
;IP:Internet Protocol
;CQM:Constant Quality Monitoring - the name given to the monitoring graphs used on the control pages and FireBricks
;RIPE:The Réseaux IP Européens Network - the organisation in Europe who manage IP addresses
;SIM:Subscriber identity module
;CLI:Caller Line Identification (re telephony)
;CLI:Command Line Interface
 
==Email Related==
;POP3:Post Office Protocol, Version 3
;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