CN110728383A - Intelligent evaluation system for operation situation of optical cable - Google Patents

Abstract

The invention belongs to the technical field of operation and maintenance of power communication optical cables, and discloses an intelligent evaluation system for an optical cable operation situation. The system comprises an optical fiber intelligent test terminal; moving the operation terminal; a network management system of professional transmission equipment; a communication resource management system server. And the intelligent evaluation of the optical cable running situation of the optical cable to be tested is completed by utilizing the vacant fiber core situation evaluation, the real-time service fiber core situation evaluation and the optical cable running situation data convergence processing. The method can effectively overcome the defects of the traditional optical cable operation situation evaluation mode, realize accurate evaluation of the optical cable operation situation, and improve the intelligent, lean and digital levels of operation and maintenance management; the operation and maintenance data can be rapidly and intelligently analyzed, and the accuracy and the real-time performance of the evaluation of the operation situation of the optical cable are enhanced; the intelligent operation management system can ensure the safe and reliable operation of the communication optical cable, provides a more intelligent and lean operation and maintenance management mode, promotes the construction of an intelligent operation and maintenance system, and realizes the intellectualization of the operation and maintenance of equipment.

Description

Intelligent evaluation system for operation situation of optical cable

Technical Field

The invention belongs to the technical field of operation and maintenance of power communication optical cables, and particularly relates to an intelligent evaluation system for an optical cable operation situation.

Background

With the continuous development of electric power enterprises in China, the optical fiber communication technology is more and more widely applied to the electric power industry. The power communication optical cable line is an important component in the operation process of a power communication network and is a powerful guarantee for promoting the rapid development of power enterprises in China. Meanwhile, with the development of strong smart power grids, power communication networks for bearing data streams such as scheduling data, relay protection and management information are developed greatly, and the number and complexity of optical cables are continuously improved. At present, the traditional optical cable operation situation assessment method mainly adopts OTDR test and manual patrol comparison of vacant optical fiber states, and reflects the overall operation situation of the optical cable through state detection of the vacant optical fibers. The traditional method for testing the vacant fiber cores by using the OTDR tester and manually comparing the OTDR test and the inspection needs to manually use an OTDR tester to test the vacant fiber cores, record and store test data, and manually compare and analyze historical operation and maintenance data by operation and maintenance personnel after all the vacant fiber cores are tested, so that the overall operation situation of the optical cable is evaluated, therefore, the traditional method for evaluating the operation situation of the optical cable is long in time and low in efficiency, meanwhile, the operation situation prediction result of the traditional optical cable has one-sidedness, only the operation situation of the vacant fiber cores is evaluated, the operation situation of real-time service fiber cores is not analyzed, and the accuracy of the operation situation prediction result of the optical cable is low; in the traditional optical cable operation situation evaluation mode, a manual patrol comparison mode needs to manually perform a large amount of data input and historical operation and maintenance data comparison and analysis, and the operation and maintenance efficiency is low, so that the risk of misjudgment of the optical fiber operation situation exists, and the efficiency and quality of optical cable operation and maintenance are restricted.

In summary, the prior art has the following problems:

1. the operation situation evaluation mode has long time and low efficiency;

2. the operation situation prediction result has one-sidedness, and the operation situation of the real-time service fiber core is not analyzed, so that the accuracy of the optical cable operation situation prediction result is not high;

3. the manual inspection comparison mode needs to manually perform mass data entry and historical operation and maintenance data comparison and analysis, and the operation and maintenance efficiency is low, so that the risk of misjudgment of the optical fiber operation situation exists, and the efficiency and quality of the optical cable operation and maintenance are restricted.

Disclosure of Invention

In view of the above-mentioned deficiencies in the prior art, the present invention provides an intelligent evaluation system for optical cable operation situation, so as to solve the above-mentioned technical problems.

In order to solve the problems in the prior art, the method and the device greatly improve the existing operation and maintenance mode, improve the working efficiency and the operation and maintenance quality for evaluating the operation situation of the optical cable, improve the accuracy of the operation situation of the optical cable, and optimize the lean management mode of the optical cable.

The invention provides an optical cable operation situation intelligent evaluation system, which comprises:

the optical cable operation situation intelligent evaluation system comprises an optical fiber intelligent test terminal, a mobile operation terminal, a professional transmission equipment network management system and a communication resource management system server; the optical fiber intelligent test terminal is connected with the mobile operation terminal through a network, the mobile operation terminal is connected with the communication resource management system server through a network, and the communication resource management system server is connected with the professional transmission equipment network management system through a network; wherein:

the optical fiber intelligent test terminal is used for carrying out optical time domain reflection test on the tested optical cable based on an evaluation instruction sent by the mobile operation terminal, extracting key data from a test result after the test is finished, and uploading the test result and the key data to the mobile operation terminal;

the mobile operation terminal is used for issuing an evaluation instruction to the optical fiber intelligent test terminal, forwarding a test result and key data transmitted from the optical fiber intelligent test terminal to the communication resource management system server, and receiving and displaying the evaluation result transmitted from the communication resource management system server;

the professional transmission equipment network management system stores the historical data and the network management monitoring data related to the operation situation of the tested cable;

the communication resource management system server is used for receiving and storing the test result and the key data forwarded by the mobile operation terminal, correspondingly extracting relevant historical test data and network management monitoring data stored in the network management system of the professional transmission equipment after receiving the test result and the key data forwarded by the mobile operation terminal, finishing the operation situation evaluation of the tested optical cable based on the received test result and the key data and the extracted historical test data and network management monitoring data, and transmitting the evaluation result to the mobile operation terminal.

Furthermore, the optical fiber intelligent test terminal comprises a main control system unit, and an optical time domain reflection test unit, an edge calculation unit and a first wireless transmission unit which are connected with the main control system unit; wherein:

the first wireless transmission unit is used for receiving an evaluation instruction sent by the mobile operation terminal;

the optical time domain reflection testing unit is used for carrying out optical time domain reflection testing on the tested cable based on the evaluation instruction received by the first wireless transmission unit;

the edge processing unit is used for extracting key data in a test result of the optical time domain reflection test;

the first wireless transmission unit is also used for uploading the test result of the optical time domain reflection test and the extracted key data to the mobile operation terminal;

and the main control system unit is used for controlling the optical fiber intelligent test terminal.

Further, the mobile operation terminal comprises an intelligent terminal test control unit, an evaluation instruction sending unit connected with the intelligent terminal test control unit, and a test data wireless interaction unit, wherein:

the evaluation instruction sending unit is used for sending an evaluation instruction to the optical fiber intelligent test terminal;

the test data wireless interaction unit is used for receiving the test result and the key data transmitted from the optical fiber intelligent test terminal, transmitting the received test result and the received key data to the communication resource management system server and receiving the evaluation result transmitted from the communication resource management system server;

and the intelligent terminal test control unit is used for realizing the control of the mobile operation terminal.

Further, the mobile operation terminal also comprises a first optical cable operation situation visualization display unit and a test data storage unit;

the first optical cable operation situation visual display unit is connected with the intelligent terminal test control unit, is used for displaying the test result received by the test data wireless interaction unit, and is also used for displaying the evaluation result transmitted by the communication resource management system server;

and the test data storage unit is connected with the intelligent terminal test control unit and is used for storing the test result and the evaluation result received by the test data wireless interaction unit.

Further, the communication resource management system server includes the data receiving unit, the resource storage unit, the data extraction unit, the situation evaluation unit, the second wireless transmission unit, and the second optical cable operation situation visualization presentation unit, wherein:

the data receiving unit is used for receiving the test result and the key data forwarded by the mobile operation terminal;

the resource storage unit is connected with the data receiving unit and used for storing the test result and the key data received by the data receiving unit;

the data extraction unit is connected with the professional transmission equipment network management system and is used for correspondingly extracting the related historical test data stored in the professional transmission equipment network management system after the data receiving unit receives the test result and the key data forwarded by the mobile operation terminal;

the situation evaluation unit is respectively connected with the data extraction unit and the data receiving unit, and completes the operation situation evaluation of the tested optical cable based on the received test result, the key data, the extracted historical test data and the network management monitoring data to obtain the evaluation result of the operation situation of the tested optical cable;

the second wireless transmission unit is connected with the situation evaluation unit and used for transmitting the evaluation result obtained by the situation evaluation unit to the mobile operation terminal;

and the second optical cable operation situation visualization display unit is connected with the situation evaluation unit and is used for displaying the evaluation result obtained by the situation evaluation unit.

Further, the situation evaluation unit includes:

the vacant fiber core situation evaluation subunit is used for carrying out first data comparison processing on the received test data of the tested cable and the extracted related historical test data to obtain vacant fiber core situation evaluation data of the tested cable;

the real-time service fiber core situation evaluation subunit is used for carrying out second data comparison processing on the received network management monitoring data of the transmission equipment and the extracted historical test data to obtain real-time service fiber core situation evaluation data;

and the optical cable operation situation data convergence processing subunit is respectively connected with the vacant fiber core situation evaluation subunit and the real-time service fiber core situation evaluation subunit, and is used for collecting and analyzing vacant fiber core situation evaluation data and real-time service fiber core situation evaluation data of the optical cable to be detected and giving an evaluation result of the operation situation of the fiber core of the optical cable to be detected.

Furthermore, the test data comprises a total length D, a total loss L, a test event number K and an event loss L_nEvent distance d_nWherein the value of n is a positive integer from 1 to K;

the historical test data comprises total length S, total loss P and event number k₁Event loss p_mEvent distance S_mWherein m is 1 to k₁A positive integer of (d);

the first data comparison processing specifically includes:

(1) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

judging that the spare fiber core situation of the tested cable runs normally;

when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

judging that the spare fiber core situation of the tested cable runs normally;

(2) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

then the feedback judgment information "average loss of fiber core is high, please check the reason", when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

then feedback judgment information 'average loss of fiber core is high, please check the reason';

(3) if | D-S | is less than or equal to 10 m, when

Then the feedback judgment information "the loss at the test event n is high, please check the reason" is fed back when

Feedback decision information "newly added testEvent n, please check the cause ";

(4) if | D-S | is > 10 m, and | D-S_m| < 10 m, wherein m is from 1 to K₁If the test wavelength is 1310 nm or 1550 nm, if | D-S | is greater than 10 m, and | D-S | is greater than 10 m_mI > 10 m, wherein m is 1 to K₁The positive integer of (2) is then fed back to determine information "fiber core interruption at distance D from the test point, fiber core interruption at non-event position".

Furthermore, the network management monitoring data comprises ALOS alarm state information, optical power received by an optical port and real-time service fiber core loss;

the historical test data includes: working range limit value B of light receiving power of optical port₁、B₂In which B is₂>B₁The threshold value of the optical power of the optical interface is determined by the specification of the optical module, the total length S, the total loss P and the number of events K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁A positive integer of (d);

the second data comparison processing specifically includes:

(1) when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂Judging that the real-time service fiber core situation of the tested optical cable runs normally, and when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂If yes, feedback judgment information 'real-time service fiber core loss is abnormal, please check the reason';

(2) when G is less than B₁When the optical fiber core is in a low power state, the feedback judgment information is that the optical power received by the optical port is too low, the running state of the real-time service fiber core is checked, and when G is more than B₂Feedback judgment information 'the reason is checked if the optical power received by the optical port of the real-time service fiber core is too high';

(3) when ALOS alarm is detected, feedback judgment information of 'losing optical signals, please check the real-time service fiber core interruption state'.

Further, the analyzing the vacant fiber core situation evaluation data and the real-time service fiber core situation evaluation data of the measured optical cable to give an evaluation result of the running situation of the fiber core of the measured optical cable specifically includes:

(1) when the situation of the tested vacant fiber core and the situation of the real-time service fiber core are normal in the optical cable test, the feedback judgment summary information that the optical cable operation situation is normal is fed back; the optical cable is a tested optical cable;

(2) when the optical cable test is carried out, more than 4 tested vacant fiber cores are fed back to judge information that the average loss of the fiber cores is high and the reason is checked, the feedback judges summary information that the average loss of the fiber cores of the optical cable part is high and the damage condition of the optical cable is checked is fed back;

(3) when the loss of the n position of the test event is high and the reason is checked when more than 4 tested vacant fiber cores feed back judgment information in the optical cable test, and the distance error of the event is as small as 2 meters, the optical cable distance test point d of the summary information is fed back and judged_nHigh loss at splice closure or splice point, please check the situation "

(4) When 4 tested vacant fiber cores are exceeded in the optical cable test, feedback judgment information of ' newly added test event n, please check the reason ' is fed back, and the distance error of the event is as small as 2 meters, feedback judgment summary information ' optical cable distance test point d_nThe condition of please check if the optical cable is damaged;

(5) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and checking the fiber core connection condition at the event n, the feedback judgment summary information, namely interruption of a splice closure or a splice point at the distance D from the test point of the optical cable and checking the condition, is carried out;

(6) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and fiber core interruption at a non-event position, feedback judgment summary information, namely interruption at a distance D from the test point of the optical cable and checking condition is required, is carried out;

(7) when the optical cable test exceeds 1 core feedback judgment information, namely 'real-time service fiber core loss is abnormal, please check the reason' or 'optical port receiving optical power is too low, please check the running state of the real-time service fiber core', the feedback judgment summary information 'optical cable real-time service fiber core is damaged, please check the situation';

(8) when ALOS alarm is detected in the optical cable test, feedback judgment summary information, namely 'the optical cable real-time service fiber core is likely to be interrupted, please check the condition'.

The beneficial effect of the invention is that,

(1) the method can effectively overcome the defects of the traditional optical cable operation situation evaluation mode, realize accurate evaluation of the optical cable operation situation, and improve the intelligent, lean and digital levels of operation and maintenance management;

(2) by applying advanced technologies of edge data processing, data mining and intelligent terminal sensing interconnection, the operation and maintenance data can be intelligently analyzed rapidly, and the accuracy and the real-time performance of optical cable operation situation evaluation are enhanced;

(3) the invention can reduce the time of manual data entry and data comparison, reduce the misjudgment risk of the optical fiber operation situation, improve the operation and maintenance efficiency and quality of the optical cable, efficiently complete the regular inspection work of the communication optical cable, accurately master the operation state and resource statistics of the optical cable, ensure the safe and reliable operation of the communication optical cable, provide a more intelligent and lean operation and maintenance management mode, promote the construction of an intelligent operation and maintenance object system and realize the intellectualization of equipment operation and maintenance.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a functional structure block diagram of an optical fiber intelligent test terminal provided in an embodiment of the present invention.

Fig. 2 is a functional structure block diagram of a mobile job terminal according to an embodiment of the present invention.

Fig. 3 is a functional block diagram of a communication resource management system server according to an embodiment of the present invention.

Fig. 4 is a schematic network topology diagram of an optical cable operation situation intelligent evaluation system provided in an embodiment of the present invention.

In the figure, 1, an optical fiber intelligent test terminal, 2, a mobile operation terminal, 4 and a communication resource management system server;

1-1, a master control system unit, 1-2, an optical time domain reflection test unit, 1-3, an edge calculation unit, 1-4 and a wireless transmission unit; 2-1 intelligent terminal test control unit, 2-2 connected evaluation instruction sending unit, 2-3 test data wireless interaction unit, 2-4 test data storage unit, 2-5 first optical cable operation situation visualization display unit; 4-1, a data receiving unit, 4-2, a resource storage unit, 4-3, a data extraction unit, 4-4, a situation evaluation unit, 4-5, a second wireless transmission unit, 4-6 and a second optical cable operation situation visualization presentation unit.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The system for intelligently evaluating the operation situation of the optical cable provided by the embodiment of the invention comprises:

the system comprises an optical fiber intelligent test terminal 1, a mobile operation terminal 2, a professional transmission equipment network management system 3 and a communication resource management system server 4; the optical fiber intelligent test terminal 1 is connected with the mobile operation terminal 2 through a network, the mobile operation terminal 2 is connected with the communication resource management system server 4 through a network, and the communication resource management system server 4 is connected with the professional transmission equipment network management system 3 through a network; wherein:

the optical fiber intelligent test terminal 1 is used for carrying out optical time domain reflection test on a tested optical cable based on an evaluation instruction sent by the mobile operation terminal 2, extracting key data from a test result after the test is finished, and uploading the test result and the key data to the mobile operation terminal 2;

the mobile operation terminal 2 is used for issuing an evaluation instruction to the optical fiber intelligent test terminal 1, forwarding a test result and key data transmitted from the optical fiber intelligent test terminal 1 to the communication resource management system server 4, and receiving and displaying an evaluation result transmitted from the communication resource management system server 4;

the professional transmission equipment network management system 3 stores the historical data and the network management monitoring data related to the operation situation of the tested cable;

the communication resource management system server 4 is configured to receive and store the test result and the key data forwarded by the mobile operation terminal 2, and is configured to correspondingly extract the related historical test data and the network management monitoring data stored in the network management system 3 of the professional transmission device after receiving the test result and the key data forwarded by the mobile operation terminal 2, and is further configured to complete the operation situation evaluation of the optical cable to be tested based on the received test result and the key data, and the extracted historical test data and the extracted network management monitoring data, and to transmit the evaluation result to the mobile operation terminal 2.

When the intelligent optical fiber testing terminal is used, an evaluation instruction is sent to the intelligent optical fiber testing terminal 1 through the mobile operation terminal 2; the optical fiber intelligent test terminal 1 performs an optical time domain reflection test on the tested optical cable based on an evaluation instruction sent by the mobile operation terminal 2, extracts key data from a test result after the test is completed, and uploads the test result and the key data to the mobile operation terminal 2; the mobile operation terminal 2 receives and forwards the test result and the key data transmitted from the optical fiber intelligent test terminal 1 to the communication resource management system server 4; the communication resource management system server 4 receives and stores the test result and the key data forwarded by the mobile operation terminal 2, correspondingly extracts the related historical test data and the network management monitoring data stored in the network management system 3 of the professional transmission equipment after receiving the test result and the key data forwarded by the mobile operation terminal 2, completes the operation situation evaluation of the tested optical cable based on the received test result and the key data and the extracted historical test data and network management monitoring data, and transmits the evaluation result to the mobile operation terminal 2; the mobile work terminal 2 then receives and displays the evaluation result transmitted from the communication resource management system server 4.

The technical solution of the present invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, an optical fiber intelligent test terminal 1 provided in an embodiment of the present invention includes a main control system unit 1-1, and an optical time domain reflection test unit 1-2, an edge calculation unit 1-3, and a first wireless transmission unit 1-4 connected to the main control system unit 1-1; wherein:

the first wireless transmission unit 1-4 is used for receiving an evaluation instruction sent by the mobile operation terminal 2;

the optical time domain reflection testing unit 1-2 is used for carrying out optical time domain reflection testing on the tested cable based on the evaluation instruction received by the first wireless transmission unit 1-4; the tested cable is a test source;

the edge processing unit 1-3 is used for extracting key data in a test result of the optical time domain reflection test;

the first wireless transmission unit 1-4 is further configured to upload the test result of the optical time domain reflectometry test and the extracted key data to the mobile operation terminal 2;

and the main control system unit 1-1 is used for controlling the optical fiber intelligent test terminal 2.

As shown in fig. 2, a mobile operation terminal 2 provided in an embodiment of the present invention includes an intelligent terminal test control unit 2-1, an evaluation instruction sending unit 2-2 connected to the intelligent terminal test control unit 2-1, and a test data wireless interaction unit 2-3, where:

the evaluation instruction sending unit 2-2 is used for sending an evaluation instruction to the optical fiber intelligent test terminal 1;

the test data wireless interaction unit 2-3 is used for receiving the test result and the key data transmitted from the optical fiber intelligent test terminal 1, transmitting the received test result and the received key data to the communication resource management system server 4, and receiving the evaluation result transmitted from the communication resource management system server 4;

and the intelligent terminal test control unit 2-1 is used for realizing the control of the mobile operation terminal 2.

The mobile operation terminal 2 provided by the embodiment of the invention further comprises a first optical cable operation situation visualization display unit 2-5 and a test data storage unit 2-4;

the first optical cable operation situation visualization display unit 2-5 is connected with the intelligent terminal test control unit 2-1, and is used for displaying the test result received by the test data wireless interaction unit 2-3 and displaying the evaluation result transmitted by the communication resource management system server 4;

and the test data storage unit 2-4 is connected with the intelligent terminal test control unit 2-1 and is used for storing the test result and the evaluation result received by the test data wireless interaction unit 2-3.

As shown in fig. 3, the communication resource management system server 4 provided in the embodiment of the present invention includes the data receiving unit 4-1, the resource storage unit 4-2, the data extracting unit 4-3, the situation evaluating unit 4-4, the second wireless transmission unit 4-5, and the second optical cable operation situation visualization presenting unit 4-6, where:

the data receiving unit 4-1 is used for receiving the test result and the key data forwarded by the mobile operation terminal 2;

the resource storage unit 4-2 is connected with the data receiving unit 4-1 and used for storing the test result and the key data received by the data receiving unit;

the data extraction unit 4-3 is connected with the professional transmission equipment network management system 3 and is used for correspondingly extracting the related historical test data stored in the professional transmission equipment network management system 3 after the data receiving unit receives the test result and the key data forwarded by the mobile operation terminal 2;

the situation evaluation unit 4-4 is respectively connected with the data extraction unit 4-3 and the data receiving unit 4-1, and completes the operation situation evaluation of the tested optical cable based on the received test result, the key data, the extracted historical test data and the network management monitoring data to obtain an evaluation result of the operation situation of the tested optical cable;

the second wireless transmission unit 4-5 is connected with the situation evaluation unit 4-4 and used for transmitting the evaluation result obtained by the situation evaluation unit 4-4 to the mobile operation terminal 2;

and the second optical cable operation situation visualization display unit 4-6 is connected with the situation evaluation unit 4-4 and is used for displaying the evaluation result obtained by the situation evaluation unit 4-4.

The situation evaluation unit 4-4 provided by the embodiment of the invention comprises:

the vacant fiber core situation evaluation subunit a is used for carrying out first data comparison processing on the received test data of the tested cable and the extracted related historical test data to obtain vacant fiber core situation evaluation data of the tested cable;

the real-time service fiber core situation evaluation subunit b is used for carrying out second data comparison processing on the received network management monitoring data of the transmission equipment and the extracted historical test data to obtain real-time service fiber core situation evaluation data;

and the optical cable operation situation data convergence processing subunit c is respectively connected with the vacant fiber core situation evaluation subunit a and the real-time service fiber core situation evaluation subunit b, and is used for collecting and analyzing vacant fiber core situation evaluation data and real-time service fiber core situation evaluation data of the optical cable to be detected and giving an evaluation result of the operation situation of the fiber core of the optical cable to be detected.

The test data provided by the embodiment of the invention comprises a total length D, a total loss L, a test event number K and an event loss L_nEvent distance d_nWherein the value of n is a positive integer from 1 to K;

the historical test data comprises total length S, total loss P and event number K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁A positive integer of (d);

the first data comparison processing specifically includes:

(1) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

judging that the spare fiber core situation of the tested cable runs normally;

when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

judging that the spare fiber core situation of the tested cable runs normally;

(2) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, andthen the feedback judgment information "average loss of fiber core is high, please check the reason", when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

then feedback judgment information 'average loss of fiber core is high, please check the reason';

(3) if | D-S | is less than or equal to 10 m, when

Then the feedback judgment information "the loss at the test event n is high, please check the reason" is fed back whenFeeding back judgment information of 'newly adding a test event n, please check the reason';

(4) if | D-S | is > 10 m, and | D-S_m| < 10 m, wherein m is selected fromIs 1 to K₁If the test wavelength is 1310 nm or 1550 nm, if | D-S | is greater than 10 m, and | D-S | is greater than 10 m_mI > 10 m, wherein m is 1 to K₁The positive integer of (2) is then fed back to determine information "fiber core interruption at distance D from the test point, fiber core interruption at non-event position".

The network management monitoring data provided by the embodiment of the invention comprises ALOS alarm state information, optical power received by an optical port and real-time service fiber core loss;

the historical test data comprises a working range limit value B of the light receiving power of the optical port₁、B₂In which B is₂>B₁The threshold value of the optical power of the optical interface is determined by the specification of the optical module, the total length S, the total loss P and the number of events K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁A positive integer of (d);

the second data comparison processing specifically includes:

(1) when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂Judging that the real-time service fiber core situation of the tested optical cable runs normally, and when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂If yes, feedback judgment information 'real-time service fiber core loss is abnormal, please check the reason';

(2) when G is less than B₁When the optical fiber core is in a low power state, the feedback judgment information is that the optical power received by the optical port is too low, the running state of the real-time service fiber core is checked, and when G is more than B₂Feedback judgment information 'the reason is checked if the optical power received by the optical port of the real-time service fiber core is too high';

(3) when ALOS alarm is detected, feedback judgment information of 'losing optical signals, please check the real-time service fiber core interruption state'.

The method for analyzing the vacant fiber core situation evaluation data and the real-time service fiber core situation evaluation data of the tested optical cable and providing the evaluation result of the running situation of the fiber core of the tested optical cable provided by the embodiment of the invention specifically comprises the following steps:

(1) when the situation of the tested vacant fiber core and the situation of the real-time service fiber core are normal in the optical cable test, the feedback judgment summary information that the optical cable operation situation is normal is fed back; the optical cable is a tested optical cable;

(2) when the optical cable test is carried out, more than 4 tested vacant fiber cores are fed back to judge information that the average loss of the fiber cores is high and the reason is checked, the feedback judges summary information that the average loss of the fiber cores of the optical cable part is high and the damage condition of the optical cable is checked is fed back;

(3) when the loss of the n position of the test event is high and the reason is checked when more than 4 tested vacant fiber cores feed back judgment information in the optical cable test, and the distance error of the event is as small as 2 meters, the optical cable distance test point d of the summary information is fed back and judged_nHigh loss at splice closure or splice point, please check the situation "

(4) When 4 tested vacant fiber cores are exceeded in the optical cable test, feedback judgment information of ' newly added test event n, please check the reason ' is fed back, and the distance error of the event is as small as 2 meters, feedback judgment summary information ' optical cable distance test point d_nThe condition of please check if the optical cable is damaged;

(5) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and checking the fiber core connection condition at the event n, the feedback judgment summary information, namely interruption of a splice closure or a splice point at the distance D from the test point of the optical cable and checking the condition, is carried out;

(6) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and fiber core interruption at a non-event position, feedback judgment summary information, namely interruption at a distance D from the test point of the optical cable and checking condition is required, is carried out;

(7) when the optical cable test exceeds 1 core feedback judgment information, namely 'real-time service fiber core loss is abnormal, please check the reason' or 'optical port receiving optical power is too low, please check the running state of the real-time service fiber core', the feedback judgment summary information 'optical cable real-time service fiber core is damaged, please check the situation';

(8) when ALOS alarm is detected in the optical cable test, feedback judgment summary information, namely 'the optical cable real-time service fiber core is likely to be interrupted, please check the condition'.

The application of the principles of the present invention will now be described in detail with reference to specific embodiments.

As shown in fig. 4, the system for intelligently evaluating the operation situation of the optical cable provided in the embodiment of the present invention is specifically divided into three parts, namely, vacant fiber core situation evaluation, real-time service fiber core situation evaluation, and data aggregation processing of the operation situation of the optical cable.

The first step is as follows: and (4) evaluating the situation of the vacant fiber core.

(a) The method comprises the following steps The method comprises the steps that firstly, handshake recognition is completed by a mobile operation terminal and an optical fiber intelligent test terminal, after recognition, the mobile operation terminal and the optical fiber intelligent test terminal start testing of a vacant fiber core a of a tested optical cable A through a field operation APP, a test instruction is issued to the optical fiber intelligent test terminal through a wireless transmission channel, after the optical fiber intelligent test terminal executes the test instruction, an optical time domain reflection test is started, after the test is completed, an edge processing unit conducts preliminary analysis and extraction on a test result, and test original data (a test document) and key data after analysis and extraction are uploaded to the mobile operation terminal; the key data comprise the total length of the optical fiber, the total loss of the optical cable, the event loss and the event distance; the optical cable to be tested is a test source.

(b) The method comprises the following steps After receiving the test data of the intelligent optical fiber test terminal, the mobile operation terminal automatically fills the total length of the fiber core a and the total loss test data of the optical cable into a data acquisition system of the operation terminal, and then uploads a test document and key data to a communication resource management system server through a wireless public network;

(c) the method comprises the following steps After receiving the test data of the fiber core a, the communication resource management system server compares the test data with the stored historical test data of the fiber core a, wherein when the optical cable is not subjected to planned modification, the historical test data of the fiber core a is the initial commissioning data of the optical cable, and when the optical cable is subjected to planned modification, the historical test data of the fiber core a is the initial test data after the optical cable is modified,

the test data comprises total length D, total loss L, test event number K and event loss L_nEvent distance d_nWherein the value of n is a positive integer from 1 to K;

the stored historical test data of the fiber core a comprises the total length S, the total loss P and the event number K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁A positive integer of (d);

the server comparison processing algorithm of the information resource management system is as follows:

(c1) the method comprises the following steps When the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

judging that the tested vacant fiber core a is in normal operation, and when the test wavelength is 1550 nanometers, if | D-S | is less than or equal to 10 meters, and

judging that the measured vacant fiber core a runs normally in a situation;

the threshold value of 10 m can be revised according to empirical values.

(c2) The method comprises the following steps When the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

then the feedback judgment information is that the average loss of the fiber core a is high and | D-S | is less than or equal to 10 meters, please check the reason, when the test wavelength is 1550 nanometers, if | D-S | is less than or equal to 10 meters, and

then feedback judgment information 'average loss of fiber core a is high, please check the reason';

(c3) the method comprises the following steps If the absolute value of D-S is less than or equal to 10 meters,

when in use

Then the feedback judgment information "the loss at the test event n is high, please check the reason" is fed back when

Feeding back judgment information of 'newly adding a test event n, please check the reason';

(c4) if | D-S | is greater than 10 m, and | D-S |, is_m| < 10 m, wherein m is from 1 to K₁If the test wavelength is 1310 nm or 1550 nm, if | D-S | is greater than 10 m, and | D-S | is greater than 10 m, the connection condition of the fiber core a at the event n is checked, and the test wavelength is_mI > 10 m, wherein m is 1 to K₁If the positive integer is greater than the first threshold value, the feedback judgment information 'fiber core a interruption at the distance D from the test point, fiber core interruption at the non-event position';

the second step is that: and (4) real-time service fiber core situation assessment.

(a) The method comprises the following steps The network management of the professional transmission equipment extracts real-time monitoring data of the ALOS alarm state, the optical power G received by the optical port and the loss H of the real-time service fiber core, and uploads the obtained network management monitoring data to a communication management system server.

(b) The method comprises the following steps After receiving the network management monitoring data of the transmission equipment, the communication resource management system server compares the received network management monitoring data with the stored historical test data of the fiber core b of the real-time service, wherein the historical test data comprises: working range limit value B of light receiving power of optical port₁、B₂And B is₂>B₁Wherein the threshold value of the optical power of the optical interface is determined by the specification of the optical module, total length S, total loss P, and number of events K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁When the optical cable is not subjected to planned transformation, the fiberThe historical test data of the core b is the initial commissioning data of the optical cable, when the optical cable is subjected to planned transformation, the historical test data of the core b is the initial test data after the optical cable is transformed, and the comparison processing algorithm of the communication resource management system server is as follows:

(b1) the method comprises the following steps When | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂Judging that the detected real-time service fiber core B situation is in normal operation, and when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂If yes, feeding back judgment information that the loss of the real-time service fiber core b is abnormal and the reason is checked;

(b2) the method comprises the following steps When G is less than B₁When the optical fiber core is in a running state, the feedback judgment information that the optical power received by the optical port is too low and the running state of the real-time service fiber core B is checked is obtained, and when G is more than B₂Feeding back judgment information that the optical power received by the optical port of the fiber core b of the real-time service is too high, please check the reason;

(b3) the method comprises the following steps When ALOS alarm is detected, feedback judgment information of 'losing optical signals, please check the interruption state of the fiber core b of the real-time service';

the third step: and (5) carrying out data convergence processing on the operation situation of the optical cable.

(a) The method comprises the following steps The communication resource management system server collects and summarizes the vacant fiber core and real-time service fiber core situation evaluation data of the tested cable A, analyzes the evaluation data and gives judgment summary information:

(a1) the method comprises the following steps When the situation of the tested vacant fiber core and the situation of the real-time service fiber core are normal in the test of the optical cable A, the feedback judgment summary information that the operation situation of the optical cable A is normal is fed back;

(a2) the method comprises the following steps When the optical cable A is tested, feedback judgment information of 'the average loss of the fiber core a is high and please check the reason' is fed back by more than 4 tested vacant fiber cores, feedback judgment summary information 'the average loss of the fiber core of the optical cable A is high and please check the damage condition of the optical cable';

(a3) the method comprises the following steps When the loss of the n part of the test event is high and the reason is checked when the number of the tested vacant fiber cores exceeds 4 in the test of the optical cable A, and the distance error of the event is as small as 2 meters, the feedback judgment summary information of the distance d between the optical cable A and the test point is fed back_nHigh loss at splice closure or splice point, please check the situation "; the threshold value of 2 m can be determined according toRevising the experience value;

(a4) the method comprises the following steps When the distance error of an event is as small as 2 meters in the test of the optical cable A, the feedback judgment summary information of the optical cable A distance test point d is fed back_nThe condition of please check if the optical cable is damaged;

(a5) the method comprises the following steps When the optical cable A is tested, more than 4 tested vacant fiber cores feed back judgment information, namely 'fiber core a at a distance from a test point D is interrupted, and the connection condition of the fiber core a at an event n is required to be checked', the feedback judgment summary information, 'the interruption of the optical cable A at a joint box or a connection point at a distance from the test point D is required to be checked';

(a6) the method comprises the following steps When the optical cable A is tested, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core a at a position far from a test point D is interrupted and fiber core at a non-event position is interrupted, feedback judgment summary information, namely interruption of the optical cable A at a position far from the test point D, please check the condition, is carried out;

(a7) the method comprises the following steps When the loss of the real-time service fiber core b is abnormal and the reason should be checked or the running state of the real-time service fiber core b should be checked if the optical port receiving optical power is too low in the optical cable A test exceeds 1 core feedback judgment information, the feedback judgment summary information is that the optical cable A real-time service fiber core is damaged and the condition should be checked;

(a8) the method comprises the following steps When ALOS alarm is detected in the optical cable A test, feedback judgment summary information that the optical cable A real-time service fiber core is interrupted possibly and please check the condition is fed back;

(b) the method comprises the following steps The communication resource management system server displays the feedback judgment information and the feedback judgment summary information in a visual way on an optical cable resource interface of the communication resource management system, and synchronously issues the feedback judgment information and the feedback judgment summary information to the mobile operation terminal through a wireless public network to display, so that the real-time display of the optical cable operation situation evaluation result data is realized.

Compared with the mode of OTDR test and manual patrol comparison of the vacant optical fiber state of the traditional optical cable operation and maintenance, the method improves the traditional vacant fiber core situation assessment method, namely develops an optical fiber intelligent test terminal with a wireless control transmission function, the optical fiber intelligent test terminal has the functions of analyzing and extracting key data and edge calculation, develops a multi-standard wireless access function on a data transmission layer based on the existing mobile operation terminal system, and realizes the deep linkage and data sharing among the optical fiber intelligent test terminal, the mobile operation terminal and a communication resource management system by opening a data transmission interface among the edge terminal, the mobile operation terminal and the communication resource management system through integrating a man-machine interactive control function; meanwhile, the real-time service fiber core situation assessment is added, namely, data such as luminous power, transmission delay, loss and the like received by the network management of professional transmission equipment are extracted, a data barrier between a professional network management system and a communication resource management system is opened, and data mining processing of mass network management data is realized by using a communication resource management system server, so that the real-time service fiber core operation situation is accurately assessed; and finally, by optimizing the top-level design of a communication resource management system server, and by applying technologies such as big data calculation, data mining, BI business intelligence and the like, the lean management mode of the optical cable is optimized, and functions which are not possessed by the traditional optical cable operation and maintenance, such as multidimensional calculation, intelligent analysis, visual display and the like of the operation situation of the optical cable, are realized.

The professional transmission equipment network management is used as an important tool for management, operation and maintenance of optical transmission equipment at present, the operation state of an optical network can be effectively mastered, the operation state of the transmission equipment is accurately monitored, and the operation situation parameters of a real-time service fiber core can be predicted and analyzed by analyzing the monitoring parameters of the optical transmission equipment through a specific algorithm.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An optical cable operation situation intelligent evaluation system is characterized by comprising an optical fiber intelligent test terminal (1), a mobile operation terminal (2), a professional transmission equipment network management system (3) and a communication resource management system server (4); the optical fiber intelligent test terminal (1) is in network connection with the mobile operation terminal (2), the mobile operation terminal (2) is in network connection with the communication resource management system server (4), and the communication resource management system server (4) is in network connection with the professional transmission equipment network management system (3); wherein:

the optical fiber intelligent test terminal (1) is used for carrying out optical time domain reflection test on a tested optical cable based on an evaluation instruction sent by the mobile operation terminal (2), extracting key data from a test result after the test is finished, and uploading the test result and the key data to the mobile operation terminal (2);

the mobile operation terminal (2) is used for issuing an evaluation instruction to the optical fiber intelligent test terminal (1), forwarding a test result and key data transmitted from the optical fiber intelligent test terminal (1) to the communication resource management system server (4), and receiving and displaying an evaluation result transmitted from the communication resource management system server (4);

the professional transmission equipment network management system (3) stores the historical data and the network management monitoring data related to the operation situation of the tested cable;

the communication resource management system server (4) is used for receiving and storing the test result and the key data forwarded by the mobile operation terminal (2), correspondingly extracting relevant historical test data and network management monitoring data stored in the professional transmission equipment network management system (3) after receiving the test result and the key data forwarded by the mobile operation terminal (2), completing the operation situation evaluation of the tested optical cable based on the received test result and the key data and the extracted historical test data and network management monitoring data, and transmitting the evaluation result to the mobile operation terminal (2).

2. The optical cable operation situation intelligent evaluation system according to claim 1, wherein the optical fiber intelligent test terminal (1) comprises a main control system unit (1-1), and an optical time domain reflection test unit (1-2), an edge calculation unit (1-3) and a first wireless transmission unit (1-4) which are connected with the main control system unit (1-1); wherein:

the first wireless transmission unit (1-4) is used for receiving an evaluation instruction sent by the mobile operation terminal (2);

the optical time domain reflection testing unit (1-2) is used for carrying out optical time domain reflection testing on the tested optical cable based on the evaluation instruction received by the first wireless transmission unit (1-4);

the edge processing unit (1-3) is used for extracting key data in a test result of the optical time domain reflection test;

the first wireless transmission unit (1-4) is also used for uploading the test result of the optical time domain reflection test and the extracted key data to the mobile operation terminal (2);

and the main control system unit (1-1) is used for controlling the optical fiber intelligent test terminal (2).

3. The optical cable operation situation intelligent evaluation system according to claim 1, wherein the mobile operation terminal (2) comprises an intelligent terminal test control unit (2-1), an evaluation instruction sending unit (2-2) connected with the intelligent terminal test control unit (2-1), and a test data wireless interaction unit (2-3), wherein:

the evaluation instruction sending unit (2-2) is used for sending an evaluation instruction to the optical fiber intelligent test terminal (1);

the test data wireless interaction unit (2-3) is used for receiving the test result and the key data transmitted from the optical fiber intelligent test terminal (1), sending the received test result and the received key data to the communication resource management system server (4), and receiving the evaluation result transmitted from the communication resource management system server (4);

and the intelligent terminal test control unit (2-1) is used for realizing the control of the mobile operation terminal (2).

4. The optical cable operation situation intelligent evaluation system according to claim 3, wherein the mobile operation terminal (2) further comprises a first optical cable operation situation visualization presentation unit (2-5) and a test data storage unit (2-4);

the first optical cable operation situation visual display unit (2-5) is connected with the intelligent terminal test control unit (2-1), is used for displaying the test result received by the test data wireless interaction unit (2-3), and is also used for displaying the evaluation result transmitted by the communication resource management system server (4);

and the test data storage unit (2-4) is connected with the intelligent terminal test control unit (2-1) and is used for storing the test result and the evaluation result received by the test data wireless interaction unit (2-3).

5. The intelligent evaluation system for the operating situation of the optical cable according to claim 1, wherein the communication resource management system server (4) comprises the data receiving unit (4-1), the resource storage unit (4-2), the data extraction unit (4-3), the situation evaluation unit (4-4), the second wireless transmission unit (4-5) and the visualization presentation unit for the operating situation of the second optical cable (4-6), wherein:

the data receiving unit (4-1) is used for receiving the test result and the key data forwarded by the mobile operation terminal (2);

the resource storage unit (4-2) is connected with the data receiving unit (4-1) and used for storing the test result and the key data received by the data receiving unit;

the data extraction unit (4-3) is connected with the professional transmission equipment network management system (3) and is used for correspondingly extracting the related historical test data stored in the professional transmission equipment network management system (3) after the data receiving unit receives the test result and the key data forwarded by the mobile operation terminal (2);

the situation evaluation unit (4-4) is respectively connected with the data extraction unit (4-3) and the data receiving unit (4-1), and completes the operation situation evaluation of the tested optical cable based on the received test result, the key data, the extracted historical test data and the network management monitoring data to obtain the evaluation result of the operation situation of the tested optical cable;

the second wireless transmission unit (4-5) is connected with the situation evaluation unit (4-4) and used for transmitting the evaluation result obtained by the situation evaluation unit (4-4) to the mobile operation terminal (2);

and the second optical cable operation situation visualization display unit (4-6) is connected with the situation evaluation unit (4-4) and is used for displaying the evaluation result obtained by the situation evaluation unit (4-4).

6. An intelligent evaluation system for the operational situation of an optical cable according to claim 5, characterized in that said situation evaluation unit (4-4) comprises:

the vacant fiber core situation evaluation subunit (a) is used for carrying out first data comparison processing on the received test data of the tested cable and the extracted related historical test data to obtain vacant fiber core situation evaluation data of the tested cable;

the real-time service fiber core situation evaluation subunit (b) is used for carrying out second data comparison processing on the received network management monitoring data of the transmission equipment and the extracted historical test data to obtain real-time service fiber core situation evaluation data;

and the optical cable running situation data convergence processing subunit (c) is respectively connected with the spare fiber core situation evaluation subunit (a) and the real-time service fiber core situation evaluation subunit (b) and is used for collecting and analyzing the spare fiber core situation evaluation data and the real-time service fiber core situation evaluation data of the optical cable to be tested and giving an evaluation result of the running situation of the fiber core of the optical cable to be tested.

7. The system for intelligently assessing the operational status of an optical fiber cable as claimed in claim 6, wherein said test data includes a total length D, a total loss L, a number of test events K, and an event loss L_nEvent distance d_nWherein the value of n is a positive integer from 1 to K;

the historical test data comprises total length S, total loss P and event number k₁Event loss p_mEvent distance S_mWherein m is 1 to k₁A positive integer of (d);

the first data comparison processing specifically includes:

(1) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

judging that the spare fiber core situation of the tested cable runs normally;

when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

judging that the spare fiber core situation of the tested cable runs normally;

(2) when the test wavelength is 1310 nanometers, if | D-S | is less than or equal to 10 meters, and

then the feedback judgment information "average loss of fiber core is high, please check the reason", when the test wavelength is 1550 nm, if | D-S | is less than or equal to 10 m, and

then feedback judgment information 'average loss of fiber core is high, please check the reason';

(3) if | D-S | is less than or equal to 10 m, when

Then the feedback judgment information "the loss at the test event n is high, please check the reason" is fed back when

Feeding back judgment information of 'newly adding a test event n, please check the reason';

(4) if | D-S | is > 10 m, and | D-S_mAnd | is less than or equal to 10 meters, wherein the value of m is a positive integer from 1 to K1, the feedback judgment information 'the fiber core at the distance from the test point D is interrupted, please check the fiber core connection condition at the event n', when the test wavelength is 1310 nanometers or 1550 nanometers, if | D-S | is more than 10 meters, and | D-S |)_mI > 10 m, wherein m is 1 to K₁The positive integer of (2) is then fed back to determine information "fiber core interruption at distance D from the test point, fiber core interruption at non-event position".

8. The intelligent evaluation system for the operating situation of the optical cable according to claim 6, wherein the network management monitoring data comprises ALOS alarm state information, optical port light receiving power, and real-time service fiber core loss;

the historical test data comprises a working range limit value B of the light receiving power of the optical port₁、B₂In which B is₂>B₁The threshold value of the optical power of the optical interface is determined by the specification of the optical module, the total length S, the total loss P and the number of events K₁Event loss p_mEvent distance S_mWherein m is 1 to K₁A positive integer of (d);

the second data comparison processing specifically includes:

(1) when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂Judging that the real-time service fiber core situation of the tested optical cable runs normally, and when | H-S | is less than or equal to 0.2dB, and B₁≤G≤B₂If yes, feedback judgment information 'real-time service fiber core loss is abnormal, please check the reason';

(2) when G is less than B₁When the optical fiber is in the low power state, the feedback judgment information is that the optical power received by the optical port is too low, and the real-time service fiber core operation is checkedLine state ", when G > B₂Feedback judgment information 'the reason is checked if the optical power received by the optical port of the real-time service fiber core is too high';

(3) when ALOS alarm is detected, feedback judgment information of 'losing optical signals, please check the real-time service fiber core interruption state'.

9. The system according to claim 6, wherein the analyzing the evaluation data of the free fiber core situation and the evaluation data of the real-time service fiber core situation of the tested optical cable to obtain the evaluation result of the fiber core situation of the tested optical cable specifically comprises:

(1) when the situation of the tested vacant fiber core and the situation of the real-time service fiber core are normal in the optical cable test, the feedback judgment summary information that the optical cable operation situation is normal is fed back; the optical cable is a tested optical cable;

(2) when the optical cable test is carried out, more than 4 tested vacant fiber cores are fed back to judge information that the average loss of the fiber cores is high and the reason is checked, the feedback judges summary information that the average loss of the fiber cores of the optical cable part is high and the damage condition of the optical cable is checked is fed back;

(3) when the loss of the n position of the test event is high and the reason is checked when more than 4 tested vacant fiber cores feed back judgment information in the optical cable test, and the distance error of the event is as small as 2 meters, the optical cable distance test point d of the summary information is fed back and judged_nHigh loss at splice closure or splice point, please check the situation "

(4) When 4 tested vacant fiber cores are exceeded in the optical cable test, feedback judgment information of ' newly added test event n, please check the reason ' is fed back, and the distance error of the event is as small as 2 meters, feedback judgment summary information ' optical cable distance test point d_nThe condition of please check if the optical cable is damaged;

(5) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and checking the fiber core connection condition at the event n, the feedback judgment summary information, namely interruption of a splice closure or a splice point at the distance D from the test point of the optical cable and checking the condition, is carried out;

(6) when the optical cable test is carried out, more than 4 tested vacant fiber cores feed back judgment information, namely fiber core interruption at a distance D from the test point and fiber core interruption at a non-event position, feedback judgment summary information, namely interruption at a distance D from the test point of the optical cable and checking condition is required, is carried out;

(7) when the optical cable test exceeds 1 core feedback judgment information, namely 'real-time service fiber core loss is abnormal, please check the reason' or 'optical port receiving optical power is too low, please check the running state of the real-time service fiber core', the feedback judgment summary information 'optical cable real-time service fiber core is damaged, please check the situation';

(8) when ALOS alarm is detected in the optical cable test, feedback judgment summary information, namely 'the optical cable real-time service fiber core is likely to be interrupted, please check the condition'.

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