KR20030058899A - Apparatus and method for managing exchange of optical cable - Google Patents

Abstract

PURPOSE: A device for managing optical cable switching and a method therefor are provided to collectively manage operation data of a switching module, and to store a defected position and optical characteristic results in a data storage when an alarm is generated, thereby preventing communication defects in advance. CONSTITUTION: A switching manager(110) collects optical power values and switching/alarming information, decides a switching time by comparing the information and the values with switching condition values, and displays changed switching situation information. A switching system(200) switches an optical cable, and supplies switching situation information to the switching manager(110). A data transmitter/receiver(120) supplies the switching/alarming information and the optical power values to the switching manager(110), and supplies a switching command to the switching system(200). A data storage(130) displays switching situations of the switching system(200). A network interface(150) transmits the switching/alarming situation information and the power values to other managing system, and supplies optical connection information to the switching manager(110).

Description

Optical cable transfer management device and method {APPARATUS AND METHOD FOR MANAGING EXCHANGE OF OPTICAL CABLE}

The present invention relates to an apparatus and method for managing an optical cable transfer, and in particular, to collect and manage operating status data of a transfer module, to perform a transfer command by performing a transfer command, and a failure occurrence position of an optical core for a situation when an optical transfer or an alarm occurs. The present invention relates to an apparatus and a method for receiving and managing an optical characteristic result from a light beam monitoring / measuring module and storing and managing the data in a data storage unit.

In general, the optical transmission system has been converted to a large-capacity optical transmission device from a copper wire-based transmission device that is limited in transmission capacity until now.

Such an optical transmission device is intended to provide an ultra high speed service to a subscriber and requires a function for automatically switching to a normal optical path when a failure occurs in a line while providing an ultra high speed service to a subscriber.

That is, a full duplex method is used as a switching method to a normal optical path, which is provided with two optical transmitting / receiving units and a redundant optical transmitting / receiving unit in an optical line terminal (OLT). In addition, two optical transmitting / receiving units and two spare optical transmitting / receiving units are also installed in a plurality of optical network units (ONUs), and the optical transmitting / receiving unit is activated when a failure occurs in the optical transmitting / receiving unit. It operates by operating, and if a failure occurs in any of the optical transmission / reception unit of the optical transmission / reception unit is a switching method of the type to operate by operating any optical transmission / reception unit of the optical transmission / reception unit.

However, the above-described full duplex switching is economically burdensome in terms of construction cost per optical path, and when a large number of subscribers are accommodated, the overall network configuration is complicated, which is very complicated in circuit design. .

In addition, in the case of an automatic optical cable switching module or system, when a problem occurs when the optical fiber is switched, the operator may not clearly grasp the state and the switching status of the switching module.

Therefore, the present invention has been made to solve the above-described problems, the purpose of which is to collect and manage the operating status data of the switching module in the switching system through the switching management system, the transfer when it is necessary to determine the switching time The transfer command is given to the module to perform the transfer.In the event of an optical transfer or alarm, the situation is provided to the optical monitoring / measurement module. In response, the location of the optical failure and the result of optical characteristics are provided. An optical cable switching management device and method for storage management are provided.

In the present invention for achieving the above object, the optical cable switching management apparatus collects the optical cable switching / alarm status information and the measured optical power value, and compares the switching condition value with the collected information and values to determine the switching time point A transfer management unit configured to provide a transfer command and to store, record, and display changed transfer situation information corresponding to the transfer command; A switching system for performing switching to the optical cable according to a switching command provided from the switching management unit, and providing switching status information according to the switching operation to the switching management unit; It acts as an intermediary between the transfer management unit and the transfer system, and provides the transfer management unit with transfer / alarm status information and measured optical power values received from the transfer system, and transfers the transfer command transmitted from the transfer management unit to the transfer system. A data transmission / reception unit; A data storage unit for storing and recording the switching / alarm situation information and the measured optical power values collected by the transfer management unit in the form of a database; A screen display unit which displays a switching state of the transfer modules in the transfer system provided by the transfer management unit so that a user can view the transfer situation; It transfers the switching / alarm status information and the measured optical power value received from the switching management unit to the other management system, and receives the optical cable connection configuration information provided from the other management system and includes a network interface provided to the switching management unit. do.

In addition, the optical cable transfer management method in the present invention for achieving the above object comprises the steps of collecting the transfer / alarm status information and the measured optical power value from each transfer module in the transfer system in the transfer management unit in the transfer management system; Determining a switching time point by comparing with a switching condition value based on the collected switching / alarm situation information and measured optical power values; Providing a transfer command to the transfer system through a data transmitter / receiver in the transfer management system when the transfer is to be performed in the determining step; Performing a transfer according to a transfer instruction, and providing the transfer status information to the transfer management unit according to the transfer performed; And receiving and transferring the switching status information from the switching management unit, storing and recording the switching status information, and displaying the changed switching status information through the screen display unit so that an operator can view the switching status information.

1 is an overall view equipped with an optical cable switching management system according to the present invention,

FIG. 2 is a block diagram illustrating in detail the transfer management system 100 and the transfer system 200 shown in FIG. 1.

3 is a flowchart illustrating in detail an optical cable switching management method according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: transfer management system 110: transfer management unit

120: data transmission / reception unit 120-1 to 120-n: A / D

130: data storage unit 140: screen display unit

150: network interface 200: switching system

200-1 to 200-n: object module 300: light beam monitoring / measurement module

310: core selector

A: Optical cable B: Other management system

Hereinafter, with reference to the accompanying drawings will be described in detail the operation of the preferred embodiment according to the present invention.

Referring to FIG. 1, FIG. 1 is an overall view in which an optical cable transfer management system is mounted according to the present invention, and includes a transfer management system 100 in an intelligent system and a transfer system 200 installed under the transfer management system 100. It is installed.

FIG. 2 is a block diagram illustrating the transfer management system 100 and the transfer system 200 shown in FIG. 1 in detail. The transfer management unit 110, the data transmission / reception unit 120, and the data storage unit 130 are shown in FIG. ), A switching management system 100 having a screen display unit 140 and a network interface 150, a switching system 200 having a plurality of switching modules 200-1 to 200-n, and a core selector 310. The optical path monitoring / measurement module 300 having a.

The switching management system 100 is a block for effectively operating and managing an automatic optical cable switching module for ensuring the reliability of the optical cable (A) line, and internally, the switching management unit 110, the data transmission / reception unit 120, and data storage. The unit 130, the screen display unit 140, and the network interface 150 are provided.

The transfer management unit 110 collects the transfer / alarm situation information and the measured optical power value from the transfer modules 200-1 to 200-n in the transfer system 200 through the data transmitter / receiver 120. On the basis of the collected switching / alarm situation information and the measured optical power values, when the transfer point is to be determined by comparing with the transfer condition value, it is necessary to perform the transfer again to the transfer system 200 through the data transmitter / receiver 120. A transfer command is provided, and then the changed transfer situation information corresponding to the transfer command is stored and recorded in the data storage unit 130, and the changed transfer situation information is displayed for the operator to view through the screen display unit 140. .

In addition, the transfer management unit 110 determines the transfer time by comparing with the transfer condition value based on the collected transfer / alarm situation information and the measured optical power values, and collects the data in the data storage unit 130 when there is no need to perform the transfer. In addition to storing and recording the changed switching / alarm situation information and the measured optical power values, the display is displayed for the operator to view through the screen display unit 140. Here, when an alarm is generated according to a problem of the optical fiber currently operating among the optical fibers connected between the data transmitting / receiving unit 120 and the switching system 200, the switching management unit 110 reports an alarm situation through the network interface 150. Provide to other management system (B). In addition, when the transfer management unit 110 provides a manual transfer request and a restore command from the operator through the screen display unit 140, the transfer management unit 110 manually issues a problem-prone optical line between the data transmission / reception unit 120 and the transfer system 200. Perform a switchover or recovery command.

In addition, when the switching management unit 110 provides the situation to the optical fiber monitoring / measurement module 300 when the optical fiber is switched or an alarm occurs between the data transmitting / receiving unit 120 and the switching system 200, the optical fiber monitoring / The failure location of the optical core and the optical characteristic result adjusted by the core selector 310 are received from the measurement module 300 and provided to the data storage unit 130.

The data transmission / reception unit 120 serves as a medium for connecting the switching management unit 110 and the switching system 200 by using an A / D converter or a transmission / reception module. -1 to 120-n), the transfer / alarm status information and the measured optical power value received from each of the switching modules 200-1 to 200-n in the switching system 200, and the switching management unit. And a transfer command transmitted from the transfer management unit 110 to the respective transfer modules 200-1 to 200-n in the transfer system 200.

The data storage unit 130 stores and records the switching / alarm situation information and the measured optical power values collected from the transfer management unit 110 in the form of a database, and the data storage unit 130 may store other management systems ( 400 stores the optical cable connection configuration information corresponding to the alarm situation provided through the network interface 150 and the switching management unit 110. In addition, the data storage unit 130 stores the fault occurrence position and the optical characteristic result of the optical fiber provided from the switching management unit 110.

The screen display unit 140 displays the changeover situation and alarms of the individual transfer modules 200-1 to 200-n provided through the transfer management unit 110 on the screen for the user to see. In addition, the screen display unit 140 receives a manual transfer or recovery command from a user through a touch screen method or the like and provides it to the transfer manager 110.

The network interface 150 transmits the switching / alarm situation information and the measured optical power value received from the switching management unit 110 to the other management system 400, and conversely, the alarm situation provided from the other management system 400. It receives the optical cable connection configuration information corresponding to the transfer management unit 110 is provided.

The transfer system 200 is a block for connecting the transfer management system 100 and the optical cable A, and includes a plurality of transfer modules 200-1 to 200-n internally, and the transfer management system 100 After the transfer to the optical cable (A) in accordance with the transfer command provided from the), the transfer status information according to the performed transfer is provided to the transfer management unit 110 through the data transmission / reception unit 120.

The optical path monitoring / measurement module 300 is provided with a situation generated when the optical fiber is switched or an alarm is generated from the switching manager 110 to adjust the core selector 310 to adjust the fault location and optical characteristics of the optical core that has been switched. Automatically measure and transfer the measured results to the transfer management unit (110).

Referring to the flowchart of FIG. 3, the optical cable switching management method according to the present invention will be described in detail based on the above-described configuration.

First, the switching management unit 110 converts the analog / digital data in the data transmission / reception unit 120 from the respective switching modules 200-1 to 200-n. -n) collect the changeover / alarm situation information and the measured optical power value (step 301).

Subsequently, the transfer management unit 110 determines the transfer time by comparing with the transfer condition value based on the collected transfer / alarm situation information and the measured optical power values (step 302).

If there is no need to perform the transfer in the determination step 302, the operator stores and records the transfer / alarm situation information and the measured optical power values collected in the data storage unit 130, and simultaneously the operator through the screen display unit 140. Display to view (step 303).

On the other hand, if it is necessary to perform the transfer in the determination step 302, the transfer command is again provided to the transfer system 200 through the data transmitter / receiver 120 (step 304).

Then, the plurality of transfer modules 200-1 to 200-n in the transfer system 200 perform the transfer according to the transfer command provided from the transfer management system 100, and then transfer the transfer situation information according to the transfer performed. It is provided to the transfer management unit 110 via the A / Ds 120-1 to 120-n in the data transmission / reception unit 120 (step 305).

The transfer management unit 110 receives the changed transfer situation information corresponding to the transfer command from the transfer system 200, stores and records the changed transfer situation information in the data storage unit 130, and simultaneously changes the change situation information through the screen display unit 140. Display to view (step 306).

On the other hand, when an alarm is generated according to a problem of the optical core currently operating among optical fibers connected between the data transmission / reception unit 120 and the switching system 200, the switching management unit 110 reports an alarm situation through the network interface 150. It is provided to the other management system B (step 307). In this case, when the transfer management unit 110 provides a manual transfer request and a recovery command from the operator through the screen display unit 140, the transfer management unit 110 manually issues a problem-prone optical line between the data transmission / reception unit 120 and the transfer system 200. Perform a switchover or recovery command.

Subsequently, the switching management unit 110 provides the optical fiber monitoring / measurement module 300 with a switching or alarm occurrence situation of the optical fiber between the data transmission / reception unit 120 and the switching system 200 (step 308).

The optical path monitoring / measurement module 300 receives the switching or alarm occurrence situation of the optical core from the switching management unit 110 and adjusts the core selector 310 to automatically measure the failure occurrence position and optical characteristics of the optical core where the switching has occurred. Then, the measured result is transmitted to the transfer management unit 110 (step 309).

The transfer management unit 110 receives the fault location and the optical characteristic result of the optical core adjusted by the core selector 310 from the optical path monitoring / measurement module 300 and stores the result in the data storage unit 130 (step 310). .

As described above, the present invention collects and manages the operating status data of the switching module, performs a switching command to perform the switching, and when the optical fiber is switched or an alarm occurs, the optical fiber's failure location and optical characteristics result for the situation. By managing the data from the monitoring / measurement module and storing it in the data storage unit, it prevents the communication failure due to the speedy / high-capacity optical communication network in advance, and minimizes the damage through quick recovery in case of failure, thereby improving reliability of the communication service. It can be effective.

Claims (12)

In the optical cable transfer management device, When it is necessary to collect the optical cable transfer / alarm situation information and the measured optical power value, and perform the transfer by determining the transfer time by comparing with the transfer condition value based on the collected information and values, the transfer command is provided. A transfer management unit configured to store, record and display the changed transfer situation information corresponding to the transfer command; A switching system for performing switching to an optical cable according to a switching command provided from the switching manager, and providing switching status information according to the switching to the switching manager; It serves as a medium for connecting the transfer management unit and the transfer system, provides the transfer / alarm situation information and the measured optical power value received from the transfer system to the transfer management unit, and provides a transfer command transmitted from the transfer management unit. A data transmitting / receiving unit provided to the switching system; A data storage unit for storing and recording the transfer / alarm situation information and the measured optical power values collected by the transfer management unit in the form of a database; A screen display unit configured to display a switching state of the transfer modules in the transfer system provided by the transfer manager so that a user can view the transfer situation; Transferring / alarm status information and the measured optical power value received from the transfer management unit to the other management system, and receives the optical cable connection configuration information provided from the other management system and includes a network interface provided to the transfer management unit Optical cable switching management device, characterized in that. The method of claim 1, wherein the transfer management unit, If there is no need to perform a transfer in the transfer time determination, the data storage unit stores and records the collected transfer / alarm situation information and measured optical power values, and simultaneously displays the operator so that the operator can see through the screen display unit. Optical cable transfer management device characterized in that. The method of claim 1, When the alarm according to the problem of the optical fiber in operation among the optical fiber connected between the data transmission and reception unit and the switching system is generated, the switching management unit provides an alarm situation to the other management system through the network interface. Transfer management device. The method of claim 3, wherein, when the switching of the optical fiber and the alarm occurs, Receiving the occurrence of the situation from the switching management unit to adjust the core selector to automatically measure the failure location and optical characteristics of the optical core that has been switched, the optical path monitoring / to transmit the measured result to the transfer management unit Optical cable transfer management device further comprises a measurement module. The method of claim 3, wherein And storing the optical cable connection configuration information corresponding to the alarm condition provided from the other management system through the network interface and the switching management unit. The method of claim 1, wherein the transfer management unit, When the manual transfer request and recovery command are provided from the operator through the screen display unit, an optical cable transfer management device for performing a manual transfer or recovery command for a problem-prone optical fiber between the data transmission / reception unit and the transfer system. . The method of claim 6, wherein the screen display unit, Comprising a touch screen method, the optical cable transfer management device, characterized in that for receiving a manual transfer or recovery command from the user through the touch screen method to provide to the transfer management unit. The method of claim 1 or 4, wherein the transfer management unit, When the optical fiber monitoring / measurement module is provided to the optical fiber monitoring / measurement module when the optical fiber is switched or alarmed between the data transmitting / receiving unit and the switching system, a failure of the optical fiber adjusted by the core selector from the optical fiber monitoring / measuring module occurs. Receiving position and optical characteristics result and store in the data storage unit. In the optical cable transfer management method comprising a transfer management system and a transfer system, and an optical fiber monitoring / measurement module, Collecting switching / alarm status information and measured optical power values from each switching module in the switching system in a switching management unit in a switching management system; Determining a switching time point by comparing with a switching condition value based on the collected switching / alarm situation information and measured optical power values; Providing a transfer command to the transfer system through a data transmitter / receiver in the transfer management system when the transfer is to be performed in the determination step; Performing a transfer according to the transfer command, and providing the transfer status information according to the transfer operation to the transfer management unit; And receiving and transferring the switching status information from the switching management unit and storing and recording the data in the data storage unit and displaying the changed switching status information through the screen display unit so that the operator can view the switching status information. . 10. The method of claim 9, wherein when there is no need to perform a transfer in the determination step, And storing and recording the switching / alarm status information and the measured optical power values in a data storage unit in the transfer management system and simultaneously displaying them for viewing by an operator through a screen display unit. Transfer management method. 10. The method of claim 9, wherein when an alarm occurs due to a problem of an optical fiber in operation among optical fibers connected between the data transmitting / receiving unit and the switching system, Providing, by the transfer manager, the alarm occurrence situation to another management system through a network interface, and providing the alarm occurrence situation to the optical fiber monitoring / measurement module; Receiving an alarm occurrence situation from the switching manager and adjusting a core selector to automatically measure a failure location and an optical characteristic of the optical core in which switching is generated, and transmitting the measured result to the switching manager; And receiving the fault location and the optical characteristic result of the optical core adjusted by the core selector and storing the result in the data storage unit. The method of claim 11, If a manual transfer request and recovery command from the operator is provided via the screen display unit, the transfer management unit further comprises the step of performing a manual transfer or recovery command of the problem optical fiber between the data transmission and reception unit and the transfer system; Fiber cable transfer management method characterized by the above-mentioned.