On-Line BBCR User Guide - BT Wholesale

Column Title ColumnAvailabilityFault Clear Both 20and 21CNCircuitsExplanation & Possible EntryIndeterminateCustomers equipment, error or mis-operation; A end(Service Provider)Customers equipment, error or mis-operation; B End (EndUser CPE)BT maintained midband equipment at CustomersPremises, B End (End User net equipment)ADSL Mux and cabling; Core network including servingexchangeFault not found IP network/SP network connectionFault not found; core network including serving exchangeFault not found; B end ( End User net equipment)BT maintained PSTN equipment at customers premises; Bend (End User net equipment)ATM/SDH network including OFF; IP network/SP networkconnectionATM/SDH network including OFF; Core network includingserving exchangePSTN/Groomed/Friaco/Single end userCPE RouterCircuit/BearerCore/Access/PE RouterMSO IP CoreMSO Bearer CircuitsService DeliveryEmail/Pop3CommentsAll of these are one line commentscovering the fault clearance details.PAGE 215 OF 271