Error and repair codes for linesmen By Aztech What follows is a list of the pseudo code that linemen use when identifying line faults and work instructions. These can be used to figure out exactly what your friendly local telco is doing if you find any BT Documents. Line ID(2 Chars) ++ Clear(1 Chars) P Permanent repair T Temporary repair Structure(3Chars) JRF Footway jointing chamber JRC Carriage Jointing Chamber JBX Joint Box 22/23 JBR Joint Brick JP Jointing Post MH Manhole POL Pole DP Distribution Point PCP Primary Cross Connection SCP Secondary Cross Connection BUR Buried Cable COW Cable on wall Cable/size(6 Chars) L Lead Cable P Poly Cable R Armoured Cable A Aerial Cable AL Aluminium Cable LP Lead-Poly Type (5Chars) BIX Cabinet MID Cabinet PC100 Cabinet KRONE Cabinet SCC1 Cabinet SCC2 Cabinet BT66 Block terminal BT76 Block terminal 30A Cap ended sleeve 31A Cap ended sleeve TAPED Taped Joint BAG Bagged Joint PUTTY Epoxy IW Injection Weld HS Heat Shrink PLUGS Plugs Expanding Cause (1 Char) W Wet C Corrosion L Lightning D Damage T Third Party B Bad Workmanship U Unknown Action (3 Chars) REM Remade REC Reconnect PDC A1024 submitted (Warrant for repair granting) LR Length Renewal SIT In situ repair DRY Dried Out OTH Other ADDRESS (23 Chars) o/s31HighSt opp123MountainRise DP1113 SCP2/2 JcnMain/NewRd From....To..... Examples: ++P JRF P100 31A W REM opp123NewRoad ++T MH L400 BAG C DRY jcnpcp22 ++DP P20 BT76 W PDC jcnDP4321 PCO Public Call Office(Payphone) S/N SubNode C/OVER Cross-over DWI Display Work Instructions EXCH Exchange (Exchange IDed by first three letters) DFRN Fault Report Notes Displayed FLT Fault NDT Not Detected DIS Disturbance TCR Terminating Circuit record GPT General Electric Corporation Telecommunications SFCD Sort Fault Codes EDT Edit CRN Call Return Number CRA Call Return Address EN Equipment Number DN Directory Number I/C Incoming(Junctions,trunks,etc) O/G Outgoing(" " " ") DNCD Directory Number Called DNCG Directory Number Calling ENCD Equipment Number Called ENCG Equipment Number Calling AAR Automatic Alternative Routing AFN All Figure Number ARR Automatic Re-routing ATM Ansynchronous Transfer Mode COU Central Operations Unit DJSU Digital Junction Switching Unit DLE Digital Local Exchange DMSU Digital Main Switching Unit(BTs Main Digital Trunk Exchanges) DSU Digital Switching Unit ISDN Integrated Services Digital Network B-ISDN Broadband ISDN LSNS London Simplified Network Structure PTDF Proportional Traffic Distribution function OLO Other Licensed Operator PSTN Public Switched Telephone Network SNS Simplified Network Structure(Single layer Tandem Switching) LEC Local Exchange Carrier PCS Personal Communications Service CRC Cyclic Redundancy Check BHCA Busy Hour Call Attempts OSS Operator SubSystem MSS Management Statistics SubSystem MCS Maintennance Control SubSystem OCS Overload Control SubSytem CPS Call Processing SubSystem MTS Message Transmission SubSystem DSS Digital Switching SubSystem SIS Signalling Interworking SubSystem ALTS Analogue Line Terminating SubSystem NSS Network Synchronization SubSystem SSS Subscriber Switching SubSystem ---=[AZTECH]=---