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- Loop_Maintenance_Operations_System abstract "The Loop Maintenance Operations System (LMOS) is a telephone company trouble ticketing system that plays an essential part in the act of repairing local loops (telephone lines). When a problem is reported to the Centralized Repair Service Answering Bureau (CRSAB) by a subscriber dialing the designated number (often (1)+611) it is filed and relayed through the Cross Front End, which is a link from the CRSAB to the LMOS network. The trouble report is then sent to the Front End via the Datakit network, where a Basic Output Report is requested (usually by a lineman working with). BORs consist of line information including past trouble history and MLT (Mechanized Loop Testing) tests. As LMOS is responsible for trouble reports, analysis, and similar related functions, MLT does the actual testing of customer loops. MLT hardware is located in the Repair Service Bureau. Test trunks connect MLT hardware to the telephone exchanges or Wire Centers, which in turn connect with the subscriber loops.The LMOS database is a proprietary file system, designed with 11 access methods (variable index, index, hash tree, trie, fixed partition file, etc.). This is highly tuned for the various pieces of data used by LMOS.LMOS, which was first brought on line as a mainframe application in the 1970s, was one of the first telephone company operations support systems to be ported to the UNIX operating system. The first port of LMOS was to Digital Equipment Corporation's PDP 11/70 machines and was completed in 1981. Later versions used VAX-11/780s. Today, LMOS runs on HP-UX 11i systems.".
- Loop_Maintenance_Operations_System wikiPageID "3505623".
- Loop_Maintenance_Operations_System wikiPageRevisionID "591780659".
- Loop_Maintenance_Operations_System hasPhotoCollection Loop_Maintenance_Operations_System.
- Loop_Maintenance_Operations_System subject Category:Local_loop.
- Loop_Maintenance_Operations_System comment "The Loop Maintenance Operations System (LMOS) is a telephone company trouble ticketing system that plays an essential part in the act of repairing local loops (telephone lines). When a problem is reported to the Centralized Repair Service Answering Bureau (CRSAB) by a subscriber dialing the designated number (often (1)+611) it is filed and relayed through the Cross Front End, which is a link from the CRSAB to the LMOS network.".
- Loop_Maintenance_Operations_System label "Loop Maintenance Operations System".
- Loop_Maintenance_Operations_System sameAs m.09h5t8.
- Loop_Maintenance_Operations_System sameAs Q6675807.
- Loop_Maintenance_Operations_System sameAs Q6675807.
- Loop_Maintenance_Operations_System wasDerivedFrom Loop_Maintenance_Operations_System?oldid=591780659.
- Loop_Maintenance_Operations_System isPrimaryTopicOf Loop_Maintenance_Operations_System.