KR0154566B1 - Automatic feedback method for the trouble shooting completion of subscriber's terminal - Google Patents

Abstract

The present invention includes a first step of receiving a repair completion notification message from the field tester connection function unit field tester; A second step of extracting, by the maintenance work management function, previous status information, and accessing the corresponding information to change the status information; A third step of receiving, by the field repair tool connection function unit, a failure information request message from the field tester; And a fourth step in which the maintenance work management function extracts the fault information, accesses the fault information, and generates a fault information response message. The automatic processing of the fault information when the subscriber terminal device is repaired in the optical cable TV system is performed. It is possible to start the repair work by remote access of the failure information of the subscriber terminal device, thereby improving the reliability of the entire maintenance work of the optical cable TV system.

Description

Method for automating completion of troubleshooting of subscriber station

1 is a block diagram of a typical optical cable TV system.

2 is an exemplary configuration diagram of a maintenance apparatus of an optical cable TV system to which the present invention is applied.

3 is a flowchart of an embodiment of a method for automatically processing a troubleshooting completion of a subscriber station according to the present invention.

* Explanation of symbols for main parts of the drawings

101: head end 105: central station

107: maintenance device 108: distribution center

115: field tester 116: subscriber

117: subscriber station 118: second field tester

The present invention relates to a method for automatically processing a troubleshooting completion of a subscriber station device applied to a maintenance apparatus of an optical cable TV system.

In general, an optical cable TV system based on FTTH (Fiber To The Home) can select a desired channel as a high-speed bidirectional communication rather than a simple distribution using a digital synchronous transmission method rather than a conventional analog method. Therefore, in addition to providing video distribution service, which is a basic function of optical cable TV, it is also possible to provide current information and communication services such as telephone, crime prevention / disaster prevention, and remote meter reading.The maintenance system of such optical cable TV system is based on maintenance and operation management. It is composed.

However, in the conventional coaxial cable TV (CATV) or other transmission service system, it is not possible to process the subscriber terminal device immediately upon completion of the troubleshooting work. do. Then, the work seat personnel change the failure information processing state of the subscriber station which was maintained in the maintenance center. It is common to recognize that maintenance work is performed only after the completion of the repair even if the status information of the maintenance is processed quickly. Although this does not require real-time processing, reporting on the actual status of the subscriber station may be delayed in time, errors may occur in manual processing, and detailed information on the work efficiency of the repair staff may be obtained. There was a problem that errors can be inherent.

Accordingly, the present invention has been made to solve the above problems, receiving a repair completion notification message of the subscriber station device from the field tester to automatically process the failure information, and receives a failure information request message from the field tester to repair personnel It is an object of the present invention to provide a method for automatically processing the completion of troubleshooting of a subscriber station apparatus that can access failure information that is not dispatched.

The present invention for achieving the above object, in the optical cable TV system in the method for automatically processing the completion of troubleshooting of the subscriber terminal device applied to the maintenance device having a field repair tool connection function and maintenance work management function A first step of receiving, by the field repair tool connection function, a repair completion notification message from an on-site tester; A second step of extracting, by the maintenance work management function, previous status information, and accessing the information to change the status information; A third step of receiving, by the field repair tool connection function unit, a failure information request message from the field tester; And a fourth step of extracting the failure information by the maintenance work management function and accessing the corresponding failure information to generate a failure information response message.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 is a block diagram of a general optical cable TV system, which is composed of a head end 101, a central station 105, a distribution center 108, and a subscriber 116. The video service can be provided, and one distribution center 108 can accommodate up to 1024 subscribers.

As shown in the figure, in the optical cable TV system, the program 102 provided at the head end 101 is transmitted to the first transmission device 104 through the TV and the stereo encoder 103.

Meanwhile, the central station 105 may include a second transmission device 106 connected to the first transmission device 106 of the head end 101 by an optical cable, and a maintenance device that is in charge of overall maintenance and operation management of the optical cable TV system ( 107).

On the other hand, the distribution center 108 is connected to the central station 105 and the optical cable is the third transmission device (109). Broadband distribution device 110, subscriber access device 111, maintenance communication device 112, 45M device 113, the synchronization device 114 and the first field tester 115 is provided. The first field tester 115 for troubleshooting may be connected to the maintenance communication device 112 or the subscriber station 117 in the distribution center.

On the other hand, the subscriber terminal 116 is provided with a subscriber terminal device 117 and the second field tester 118.

In addition, the maintenance device 107 of the optical cable TV system performs functions such as collecting alarms for maintenance work and generating fault information, device test, and dispatching repair personnel. 2 is an exemplary configuration diagram of a maintenance apparatus for an optical cable TV system to which the present invention is applied. The maintenance apparatus includes a maintenance function unit 201, a maintenance communication unit 210, and a management function unit 211.

As shown in the figure, the maintenance function unit 201 includes an alarm processing function unit 202, a report reception function unit 203, a trial arrangement function unit 204, a data update function unit 205, and a periodic prevention test. A function unit 206, a maintenance work management function unit 207, a maintenance statistics function unit 208, and a field repair tool connection function unit 209 are provided.

In addition, the management function unit 211 includes a charging function unit 212, a service management function unit 213, a viewing information display function unit 214, and the maintenance communication unit 210 includes a maintenance function unit 201. It is connected to the management function unit 211 and transmits the maintenance information to the second transmission device of the central station.

Meanwhile, the maintenance work management function unit 207 and the field repair tool connection function unit 209 receive the repair completion message of the subscriber station device from the field tester which performs the communication function with the maintenance device, and then confirm the actual state. Automatically process fault information and access to fault information that is not dispatched by repair personnel.

In addition, the maintenance work management function unit 207 performs a function of changing and accessing the requested failure information through the field tester command processing unit.

In addition, the on-site repair tool connection function unit 209 receives a failure repair completion message, and performs a function of providing the failure information to be displayed on the field tester screen of the repair personnel.

The maintenance work management function unit 207 and the field repair tool connection function unit 209 are required in order to perform the automatic processing of the failure information according to the completion of the repair of the subscriber station in the maintenance apparatus of the optical cable TV system. Maintenance devices in the system exist to provide subscribers with more reliable fault detection and quick repair work.

The failure information of the subscriber station maintained by the maintenance device is generated by the reception of an alarm or report, indicates the status of the maintenance process, and after the failure information is identified, a repair agent is dispatched to perform maintenance work of the failed subscriber station. do. After completion of the repair work, the repairman can communicate with the maintenance device by connecting to the subscriber terminal device or the processor of the distribution center using the field tester. In this case, the repair agent may request processing of the completion of the work or request nearby unrepaired subscriber information. By providing this process, accurate processing can be performed by remote processing of fault information, and quick access to the status and repair work can be performed by remote access if necessary.

In addition, by assigning a dedicated process according to the maintenance system in the optical cable TV system, it is possible to deliver useful maintenance information compared to the existing service network and to enable more intelligent maintenance.

3 is a flow diagram of an embodiment of a method for automatically processing a troubleshooting completion of a subscriber station according to the present invention.

As shown in the figure, the on-site repair tool connection function receives the repair completion notification message from the field tester (301), and extracts the subscriber number from the received repair completion notification message (302).

Thereafter, a test command is generated to transmit the test command generated by the field tester (303), and it is determined whether to receive the result of the transmitted test command (304). It transmits the raw result (305), and upon receiving the result, it is determined whether there is a neck in the parameter of the result (306), if an alarm exists, the on-site repair tool connection function sends an error message to the field tester (307). If not present, the field repair tool connection function requests failure information change to the maintenance work management function (308).

Thereafter, the maintenance work management function extracts previous state information (309) and accesses the information (310).

Thereafter, it is determined whether the access is possible (311), if the access is not possible, the maintenance work management function notifies an error to the field repair tool connection function (315), and if it is accessible, changes the status information (312), If it is not possible to change the status information (313), if the status information change is not possible, the maintenance work management function notifies the site repair tool connection function to the error (315). The repair result is notified to the repair tool connection function (314).

On the other hand, the on-site repair tool connection function receives the failure information request message from the field tester (316), and extracts the distribution center number from the failure information request message (317).

Thereafter, the maintenance work management function extracts the failure information (318), and accesses the corresponding failure information (319).

Subsequently, it is determined whether the failure information to be repaired exists (320) and if the failure information does not exist, the on-site repair tool connection function notifies the field tester that the failure information does not exist (321), and responds to the failure information if the failure information exists. Create a message (322).

Thereafter, it is determined whether the failure information response message generation is completed (323), if the response message generation is not completed, repeats from the corresponding information access process (319), and when the response message generation is completed, the on-site repair tool connection function unit to the field tester The generated failure information response message is transmitted (324).

Therefore, the present invention as described above, in the optical cable TV system, the automatic completion of the failure information when the repair of the subscriber terminal device is possible, the repair operation can be started by remote access of the failure information of the subscriber terminal device, the optical cable TV system There is an effect that can improve the reliability of the entire maintenance work.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited to the drawing.

Claims (3)

A method for automatically processing the completion of troubleshooting of a subscriber station apparatus applied to a maintenance device having an on-site repair tool connection function and a maintenance work management function in an optical cable TV system, wherein the on-site repair tool connection function includes an on-site tester Receiving a repair completion notification message from the first step; A second step of extracting, by the maintenance work management function, previous status information, and accessing the corresponding information to change the status information; A third step of receiving, by the field repair tool connection function unit, a failure information request message from the field tester; And a fourth step of extracting the failure information by the maintenance work management function, and accessing the failure information to generate a failure information response message. The method of claim 1, wherein the second step comprises: a fifth step of extracting the subscriber number from the repair completion notification message from the field tester by the field repair tool connection function unit; Generating a test command, transmitting a test command generated by the field tester, and determining whether to receive a result of the transmitted test command; A seventh step of transmitting the unprocessed result to the field tester if the field repair tool connection function unit does not receive a result as a result of the determination of the sixth step; An eighth step of determining whether information exists in a parameter of the result when the result of the determination of the sixth step is received; A ninth step of transmitting, by the determination result of the eighth step, an error message to the field tester by the on-site repair tool connection function unit if the information exists; A tenth step of requesting a change of the failure information to the maintenance work management function by the field repair tool connection function unit if the information does not exist as a result of the determination of the eighth step; An eleventh step of extracting, by the maintenance work management function, previous state information, accessing the corresponding information, and determining whether access is possible; A twelfth step of notifying the field repair tool connection function unit of the maintenance work management function unit if the access is not possible as a result of the determination in the eleventh step; A thirteenth step of changing the status information if it is accessible as a result of the determination in the eleventh step, and determining whether the status information can be changed; A 14th step of notifying the field repair tool connection function unit of the maintenance work management function unit if the state information cannot be changed as a result of the determination of the 13th step; And a fifteenth step in which the maintenance work management function notifies the on-site repair tool connection function to the field repair tool connection function if the state information can be changed as a result of the determination in the thirteenth step. Method for processing. The method of claim 1 or 2, wherein the fourth step comprises: a sixteenth step of extracting a distribution center number from the failure information request message by the field repair tool connection function unit; A 17th step of extracting fault information by the maintenance work management function, accessing the fault information, and determining whether there is fault information to be repaired; An eighteenth step in which the field repair tool connection function unit notifies the field tester that the failure information does not exist if the failure information does not exist; A nineteenth step of generating a failure information response message if the failure information exists, and determining whether generation of the failure information response message is completed; As a result of the determination of step 19, when the generation of the response message is not completed, step 20 of repeatedly performing the corresponding information access process; And as a result of the determination of step 19, when the response message generation is completed, the on-site repair tool connection function unit completes the repair of the failure of the subscriber station device comprising the twenty-first step of transmitting a failure information response message generated by the field tester. Method for automatic processing.