CN115022752A - Breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology - Google Patents

Breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology Download PDF

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Publication number
CN115022752A
CN115022752A CN202210951467.9A CN202210951467A CN115022752A CN 115022752 A CN115022752 A CN 115022752A CN 202210951467 A CN202210951467 A CN 202210951467A CN 115022752 A CN115022752 A CN 115022752A
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unit
otn
breakpoint
optical
interface
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CN115022752B (en
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黄元伟
杨细兵
倪优赤
苏晨晨
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Jiangsu Zeyu Electric Power Design Co ltd
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Jiangsu Zeyu Electric Power Design Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0071Provisions for the electrical-optical layer interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605Fixed allocated frame structures
    • H04J3/1652Optical Transport Network [OTN]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0079Operation or maintenance aspects
    • H04Q2011/0083Testing; Monitoring

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The application discloses breakpoint self-testing method of OTN optical layer calculation and electrical layer configuration technology, the breakpoint self-testing method is connected with each unit in an OTN interface in series through a unit monitor, the running state of each unit is effectively and rapidly judged, the judgment step of running abnormity is simplified, a linkage mode can be effectively formed with the running of each unit in the OTN interface, the total testing time is reduced, the OTN design efficiency is improved, the running of the OTN interface is tested and run, the running state of each unit can be synchronously detected and data are judged in a bidirectional testing mode, the breakpoint can be effectively and accurately judged and positioned for abnormity appearing in the OTN interface test, the testing difficulty and the testing complexity in the OTN design process are reduced, the testing cost is also reduced, and the development and the improvement of the OTN interface are facilitated.

Description

Breakpoint self-testing method of OTN optical layer calculation and electrical layer configuration technology
Technical Field
The application relates to the field of digital information transmission, in particular to a breakpoint self-test method of an OTN optical layer calculation and electrical layer configuration technology.
Background
An otn (optical transport network) technology, which is one of the development directions of the next generation transport network, applies the operational and manageable capabilities of SDH to a WDM system, has the advantages of SDH and WDM, meets the transport requirements of multi-service, high-capacity, high-reliability and high-quality to a greater extent, can provide telecommunication-level network protection for data services, and better meets the requirements of current telecommunication operators.
The OTN technology comprises a complete system structure of an optical layer and an electric layer, each layer of network has a corresponding management monitoring mechanism, and the optical layer and the electric layer have network survivability mechanisms. The optical layer of the OTN technology mainly comprises an optical amplification unit, an optical multiplexer/demultiplexer unit and an optical add/drop multiplexer unit, the electric layer mainly comprises an optical line interface unit, an electric cross unit and a branch interface unit, the optical layer is responsible for amplification, multiplexing and demultiplexing, and the electric layer is responsible for flexibly scheduling services.
When the optical layer is calculated and the electrical layer is configured in the OTN design stage, a designer needs to perform operation test on the OTN interface which is completed by calculation and configuration, but the detection technology in the prior art can only test the operation state of data transmission, and cannot mark and display the position of a fault or a breakpoint, and the designer needs to perform retest on each unit by using other tools, so that the test difficulty and the test complexity in the OTN design process are increased, and the test cost is also increased.
Disclosure of Invention
The application aims to accurately position the breakpoint generated by the OTN interface in the design stage, reduce the difficulty and complexity of test operation, and provide a breakpoint self-test method of an OTN optical layer calculation and electrical layer configuration technology, which comprises the following steps:
s1, forward test, transmitting signals to an optical layer in an OTN interface through an optical cable, and transmitting the signals to a service interface for output through conversion of an electrical layer;
s2, performing reverse test, namely transmitting a signal to an electric layer in an OTN interface through a service interface, and transmitting the signal to an optical cable for output through an optical layer;
s3, identifying a forward breakpoint, and identifying the breakpoint of each unit in the OTN interface when the OTN interface operates abnormally in the forward direction;
s31, collecting data of unit monitors arranged in each unit on the optical layer and the electric layer, and starting a mark identification strip to identify a mark symbol on a mark arc sheet communicated with the displacement sensing assembly;
s32, if the identification mark symbol of the mark identification strip on the corresponding unit changes, judging that the unit has no forward breakpoint;
s33, if the identification mark symbol of the mark identification strip on the corresponding unit is not changed, judging that the unit has a forward breakpoint;
s4, judging a bidirectional test breakpoint, and judging the breakpoint after the bidirectional test of the OTN interface is finished;
s41, collecting data of unit monitors arranged in each unit on the optical layer and the electrical layer again, and starting a mark identification strip to identify a mark symbol on a mark arc sheet communicated with the displacement sensing assembly;
s42, if the identification mark symbol of the mark identification strip on the corresponding unit changes twice, judging that the unit has no break point;
s43, if the mark identification bar on the corresponding unit identifies that the mark symbol is changed for a single time,
if the unit is the unit judged in step S32 as having no forward breakpoint, the breakpoint of the unit is located in the reverse transmission region;
if the unit is the unit with the forward breakpoint judged in the step S33, the breakpoint of the unit is located in the forward transmission region;
s44, if the identification mark symbol of the mark identification strip on the corresponding unit does not change, the breakpoint of the unit is judged to be positioned in a forward transmission area and a reverse transmission area, synchronous detection and data judgment can be carried out on the operation state of each unit by adopting a bidirectional test mode while the OTN interface test is running, and accurate judgment and positioning of the breakpoint are effectively carried out on the abnormity appearing in the OTN interface test, so that the test difficulty and the test complexity in the OTN design process are reduced, the test cost is also reduced, and the development and improvement of the OTN interface are facilitated.
The device comprises a unit monitor which is carried on each unit of an OTN interface, wherein the unit monitor comprises an insulating protective shell, each unit of the OTN interface is fixedly connected with the insulating protective shell, a signal core is fixedly connected in the insulating protective shell, the outer end of the signal core is fixedly connected with a grid cover, the upper inner wall and the lower inner wall of the grid cover are fixedly connected with supporting frames, and a switch-on displacement induction component which is positioned on the outer side of the signal core is connected between the two supporting frames;
the switch-on displacement sensing assembly comprises a rolling disc, the rolling disc is connected between two support frames, a plurality of marking arc pieces located on the outer sides of the support frames are fixedly connected to the outer end of the rolling disc, one ends, far away from signal cores, of the marking arc pieces are coated with marking symbols, one ends, close to the signal cores, of the marking arc pieces are fixedly connected with a pair of bar-shaped magnetic blocks, one sides, close to the rolling disc, of the support frames are connected with a plurality of diagonal electromagnetic auxiliary blocks matched with the bar-shaped magnetic blocks, a marking identification strip matched with a single marking arc piece is fixedly connected to the front inner wall of an insulating protective shell, the units are connected in series through a unit monitor and an OTN interface, the operation state of the units is effectively and quickly judged, abnormal operation judgment steps are simplified, a linkage mode can be effectively formed by operation of each unit in the OTN interface, the total test duration is reduced, and the OTN design efficiency is improved.
Furthermore, unit monitor front end fixedly connected with and mark identification strip matched with count display shows the data that mark identification strip sensed through count display, and the testing personnel of being convenient for effectively discern the running conditions of each unit of OTN interface, improve data display's intuitionistic.
Further, the equal electrically connected with two-way response cable in both ends about the signal core, two-way response cable keeps away from the signal core and extends to the insulating protective case outside, and two-way response cable establishes ties with the unit that corresponds in the unit monitor respectively, the series connection of two-way response cable is used, effectively reduce transmission loss, improve the response sensitivity of putting through displacement response subassembly and diagonal angle electromagnetism auxiliary block, improve the accuracy and the accuracy of breakpoint location, and the unit monitor can also be connected with each unit of OTN interface fast effectual, reduce the degree of difficulty of test preparation, the unit monitor can also combine with the OTN interface, realize the maintenance self-test in the follow-up OTN interface use, improve the performance of OTN interface.
Further, the strut is including the stationary ring, and the equal fixedly connected with in two upper and lower inner walls of grid cover lies in the stationary ring in the signal core outside, and two stationary rings are close to a plurality of branches of the equal fixedly connected with in one end mutually, and branch is kept away from stationary ring one end fixedly connected with and is inlayed the ring.
Further, two scarf joint rings are close to one end mutually and all rotate and are connected with a plurality of balls, and two scarf joint rings rotate with rolling the dish through the ball and are connected, and ball pivoted mode can effectively change the face contact into the point contact more, reduces the frictional force between rolling dish and the scarf joint ring, improves the efficiency of test displacement, reduces the loss in the testing process.
Further, scarf joint ring outer end fixedly connected with a plurality of diagonal angle electromagnetism auxiliary blocks, and diagonal angle electromagnetism auxiliary block passes through wire and signal core electric connection, the cooperation of diagonal angle electromagnetism auxiliary block and bar magnetic path, can produce the electromagnetic repulsion effect when the unit switches on the OTN interface, make the bar magnetic path drive the mark arc piece and produce rotary displacement, be convenient for mark discernment strip through the fault state to this unit of identification judgement to the mark symbol, and can also carry out the accumulation to the data of single test and last, the sustainability of data is kept, be convenient for carry out data analysis to each unit of OTN interface after the operation test.
Further, set up in the rolling disc with signal core complex friction adjustment hole, signal core outer end fixedly connected with is located the friction stay band in the friction adjustment hole, set up tangible chamber that changes in the friction stay band, a plurality of electromagnetism groups of deformation intracavity fixedly connected with and a plurality of elastic strip that resets, and a plurality of electromagnetism groups and a plurality of elastic strip that resets are interval distribution, friction stay band set up can accomplish the back at the OTN interface test, carry out the position to switching on displacement response subassembly and keep, effectively avoid switching on displacement response subassembly's spurious displacement to cause the inaccuracy that the breakpoint was judged, effectively improve validity and the reliability that the breakpoint region was judged, the tester of being convenient for carries out data analysis to the OTN interface, do benefit to the maintenance and the improvement of OTN interface.
Further, in step S1, the sequence of the OTN interface forward test is:
s11, transmitting a signal to an optical layer in an OTN interface through an optical cable, amplifying the signal through an optical amplification unit, separating monitoring light and service light through an optical wavelength division module in an optical wavelength division unit, performing wavelength division on the separated service light through an optical add-drop multiplexing unit, and transmitting the separated service light to an electrical layer;
s12, service lights with different wavelengths are subjected to photoelectric conversion through the optical line interface unit and then are transmitted to the corresponding branch line interface unit through the electric cross unit, so that photoelectric conversion is performed, original service light signals are output from the corresponding service interface, overall transmission from the optical layer to the electric layer in the OTN interface is roughly judged through forward testing, OTN interface design is effectively judged, effectiveness of optical layer calculation and electric layer configuration of the OTN interface is improved, and improvement and maintenance of the OTN interface are facilitated.
Further, the sequence of the OTN interface reverse test in step S2 is as follows:
s21, entering the received service signal into an electric layer in an OTN interface through a service interface, performing photoelectric conversion through a branch interface unit, exchanging through an electric cross unit, and transmitting to a corresponding optical line interface unit for photoelectric conversion so that the signal is transmitted to the optical layer;
s22, the optical add-drop multiplexing unit combines the service signals with different wavelengths, then the service light is amplified through the optical amplification unit, at the moment, the optical monitoring unit sends monitoring light, the monitoring light and the service light are transmitted to the optical combining module in the optical combining-splitting unit together for wave combination, then the wave combination is transmitted to the optical cable through the optical add-drop multiplexing unit for output, and the data transmitted by the signal in the OTN interface is re-verified through reverse testing.
Compare in prior art, the advantage of this application lies in:
(1) according to the scheme, when the OTN interface is tested and operated, the running state of each unit can be synchronously detected and judged by adopting a bidirectional testing mode, the breakpoint can be accurately judged and positioned effectively according to the abnormity appearing in the OTN interface test, the test difficulty and the test complexity in the OTN design process are reduced, the test cost is also reduced, and the development and the improvement of the OTN interface are facilitated.
(2) Through the unit monitor and each unit in the OTN interface establish ties, effectively carry out quick judgement to the running state of unit, simplify the abnormal judgement step of operation, can also effectively form the linkage mode with the operation of each unit in the OTN interface, reduce the test total length, improve the efficiency of OTN design.
(3) The series connection of two-way response cable is used, effectively reduce transmission loss, improve the response sensitivity of putting through displacement response subassembly and diagonal angle electromagnetism auxiliary block, improve the accuracy and the accuracy of breakpoint location, and the unit monitor can also be connected with each unit of OTN interface fast effectual, reduce the degree of difficulty of test preparation, the unit monitor can also combine with the OTN interface, realize the maintenance self-test in the follow-up OTN interface use, improve the performance of OTN interface.
(4) The friction brace set up can be after the test of OTN interface is accomplished, carry out position maintenance to switching on displacement response subassembly, effectively avoid switching on displacement response subassembly's spurious displacement to cause the inaccuracy that the breakpoint was judged, effectively improve validity and the reliability that the breakpoint region was judged, and the tester of being convenient for carries out data analysis to the OTN interface, does benefit to the maintenance and the improvement of OTN interface.
(5) The overall transmission from the optical layer to the electrical layer in the OTN interface is roughly judged through a forward test, the design of the OTN interface is effectively judged, the effectiveness of optical layer calculation and electrical layer configuration of the OTN interface is improved, and improvement and maintenance of the optical layer calculation and electrical layer configuration are facilitated.
(6) The data of signal transmission in the OTN interface is re-verified through reverse testing, the accuracy of the tested data is effectively improved, the rigor of the test result is guaranteed, meanwhile, the difficulty of breakpoint positioning when the OTN interface operates abnormally can be reduced through the cooperation with the unit monitor, the efficiency of troubleshooting is improved, and the rationality of optical layer calculation and electric layer configuration of the OTN interface is promoted.
Drawings
FIG. 1 is a logic diagram of a breakpoint self-test method of the present application;
FIG. 2 is a schematic diagram of the operation of the OTN interface of the present application;
fig. 3 is a flow chart of bidirectional testing transmission of the OTN interface of the present application;
FIG. 4 is a front view of the OTN interface of the present application;
FIG. 5 is an isometric view of the unit monitor of the present application;
FIG. 6 is an isometric view of the interior of the unit monitor of the present application;
FIG. 7 is an exploded view of the unit monitor of the present application;
FIG. 8 is a front sectional view of the unit monitor of the present application;
FIG. 9 is a top view of the unit monitor indicia identification of the present application;
fig. 10 is a top view of the unit monitor of the present application sensing displacement.
The reference numbers in the figures illustrate:
the device comprises a 1-unit monitor, a 101 insulation protective shell, a 102 bidirectional induction cable, a 103 signal core, a 104 grating cover, a 2-connection displacement induction component, a 201 rolling disc, a 202 marked arc sheet, a 203 marked symbol, a 204 bar-shaped magnetic block, a 3 diagonal electromagnetic auxiliary block, a 4 marked identification strip, a 5 support frame, a 501 fixed ring, a 502 support rod, a 503 embedded ring, a 6 friction support belt, a 601 deformation cavity, a 602 electromagnetic group and a 603 reset elastic strip.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments in the present application belong to the protection scope of the present application.
Example 1:
referring to fig. 1-10, a breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology includes the following steps:
s1, forward test, transmitting signals to an optical layer in an OTN interface through an optical cable, and transmitting the signals to a service interface for output through conversion of an electrical layer;
s2, performing reverse test, namely transmitting a signal to an electric layer in an OTN interface through a service interface, and transmitting the signal to an optical cable for output through an optical layer;
s3, identifying forward breakpoints, namely identifying the breakpoints of each unit in the OTN interface when the OTN interface operates abnormally in the forward direction;
s31, collecting data of the unit monitors 1 arranged in each unit on the optical layer and the electrical layer, and starting the mark identification strip 4 to identify the mark symbol 203 communicated with the mark arc sheet 202 in the displacement sensing assembly 2;
s32, if the mark identification strip 4 on the corresponding unit identifies that the mark symbol 203 changes, judging that the unit has no forward breakpoint;
s33, if the mark identification strip 4 on the corresponding unit identifies that the mark symbol 203 is not changed, judging that the unit has a positive breakpoint;
s4, judging a bidirectional test breakpoint, and judging the breakpoint after the bidirectional test of the OTN interface is finished;
s41, collecting data of the unit monitors 1 arranged in each unit on the optical layer and the electric layer again, and starting the mark identification strip 4 to identify the mark symbol 203 communicated with the mark arc sheet 202 in the displacement sensing assembly 2;
s42, if the mark identification strip 4 on the corresponding unit identifies that the mark symbol 203 changes twice, judging that the unit has no break point;
s43, if the mark identification strip 4 on the corresponding unit identifies that the mark symbol 203 generates a single change,
if the unit is the unit without the forward breakpoint judged in the step S32, the breakpoint of the unit is located in the reverse transmission region;
if the unit is the unit with the forward breakpoint judged in the step S33, the breakpoint of the unit is located in the forward transmission region;
s44, if the identification mark symbol 203 of the mark identification strip 4 on the corresponding unit does not change, the breakpoint of the unit is judged to be positioned in the forward transmission area and the reverse transmission area at the same time, synchronous detection and data judgment can be carried out on the operation state of each unit by adopting a bidirectional test mode while the OTN interface is tested and operated, and accurate judgment and positioning of the breakpoint are effectively carried out on the abnormity appearing in the OTN interface test.
Referring to fig. 4-10, the OTN integrated circuit comprises a unit monitor 1 carried on each unit of an OTN interface, the unit monitor 1 includes an insulating protective shell 101, each unit of the OTN interface is fixedly connected with the insulating protective shell 101, a signal core 103 is fixedly connected in the insulating protective shell 101, an outer end of the signal core 103 is fixedly connected with a grid cover 104, upper and lower inner walls of the grid cover 104 are fixedly connected with brackets 5, and a switch-on displacement sensing assembly 2 located outside the signal core 103 is connected between the two brackets 5;
the switch-on displacement induction component 2 comprises a rolling disc 201, the rolling disc 201 is connected between two support frames 5, the outer end of the rolling disc 201 is fixedly connected with a plurality of marking arc sheets 202 positioned at the outer sides of the support frames 5, one end of each marking arc sheet 202 far away from the signal core 103 is coated with a marking symbol 203, one end of each marking arc sheet 202 close to the signal core 103 is fixedly connected with a pair of bar-shaped magnetic blocks 204, one side of each support frame 5 close to the rolling disc 201 is connected with a plurality of diagonal electromagnetic auxiliary blocks 3 matched with the bar-shaped magnetic blocks 204, the front inner wall of the insulating protective shell 101 is fixedly connected with a marking identification strip 4 matched with the single marking arc sheet 202, through the unit monitor 1 and each unit in the OTN interface are connected in series, the running state of the unit is effectively and quickly judged, the judgment step of running abnormity is simplified, a linkage mode can be effectively formed with the running of each unit in the OTN interface, the total testing time is reduced, and the OTN design efficiency is improved.
Referring to fig. 5-10, the front end of the unit monitor 1 is fixedly connected with a counting display matched with the mark identification strip 4, and the counting display displays data sensed by the mark identification strip 4, so that testers can effectively identify the operation state of each unit of the OTN interface, and the intuitiveness of data display is improved.
Referring to fig. 6-10, the upper and lower ends of the signal core 103 are electrically connected to the bidirectional sensing cable 102, the bidirectional sensing cable 102 is far away from the signal core 103 and extends to the outside of the insulating protective case 101, and the bidirectional sensing cable 102 is respectively connected in series with the corresponding units in the unit monitor 1, the serial connection of the bidirectional sensing cable 102 is used, so as to effectively reduce transmission loss, improve the induction sensitivity of the connection displacement induction component 2 and the diagonal electromagnetic auxiliary block 3, improve the accuracy and accuracy of breakpoint positioning, and the unit monitor 1 can be quickly and effectively connected with each unit of the OTN interface, thereby reducing the difficulty of test preparation, and the unit monitor 1 can be combined with the OTN interface, thereby realizing the self-test of maintenance in the subsequent OTN interface use process, and improving the service performance of the OTN interface.
Referring to fig. 6-10, the supporting frame 5 includes a fixed ring 501, the upper and lower inner walls of the grid cover 104 are fixedly connected to the fixed ring 501 located outside the signal core 103, the ends of the two fixed rings 501 close to each other are fixedly connected to a plurality of supporting rods 502, and the end of the supporting rod 502 far from the fixed ring 501 is fixedly connected to an inserting ring 503.
Referring to fig. 6-10, the two engagement rings 503 are rotatably connected to a plurality of balls at the ends close to each other, and the two engagement rings 503 are rotatably connected to the rolling disc 201 through the balls, so that the ball rotation can effectively change the surface contact into point contact, thereby reducing the friction between the rolling disc 201 and the engagement rings 503, improving the efficiency of the test displacement, and reducing the loss during the test process.
Referring to fig. 6-10, the outer end of the scarf joint ring 503 is fixedly connected with a plurality of diagonal electromagnetic auxiliary blocks 3, the diagonal electromagnetic auxiliary blocks 3 are electrically connected with the signal core 103 through wires, and the matching between the diagonal electromagnetic auxiliary blocks 3 and the bar-shaped magnetic block 204 can generate an electromagnetic repulsion effect when the unit on the OTN interface is turned on, so that the bar-shaped magnetic block 204 drives the marking arc piece 202 to generate a rotational displacement, which is convenient for the marking identification strip 4 to judge the fault state of the unit through the identification of the marking symbol 203, and can also accumulate and continue the data of a single test, maintain the sustainability of the data, and facilitate the data analysis of each unit of the OTN interface after the operation test is finished.
Referring to fig. 7, 9 and 10, a friction adjusting hole matched with the signal core 103 is formed in the rolling disc 201, the outer end of the signal core 103 is fixedly connected with a friction supporting belt 6 located in the friction adjusting hole, a tangible cavity 601 is formed in the friction supporting belt 6, a plurality of electromagnetic sets 602 and a plurality of elastic resetting strips 603 are fixedly connected in the tangible cavity 601, wherein the electromagnetic sets 602 include electromagnetic blocks and ferromagnetic parts, a plurality of electromagnetic blocks in signal connection with the signal core 103 are fixedly connected to the inner wall of the morphic cavity 601 near the signal core 103, a plurality of ferromagnetic parts matched with the electromagnetic blocks are fixedly connected to the inner wall of the morphic cavity 601 far from the signal core 103, the electromagnetic sets 602 and the elastic resetting strips 603 are distributed at intervals, the friction supporting belt 6 can maintain the position of the on-off displacement sensing component 2 after the OTN interface test is completed, thereby effectively avoiding the inaccuracy of the judgment of the break point caused by the spurious displacement of the on-off displacement sensing component 2, the effectiveness and the reliability of breakpoint area judgment are effectively improved, so that the data analysis of the OTN interface by a tester is facilitated, and the maintenance and the improvement of the OTN interface are facilitated.
Referring to fig. 4-10, during the test of the bidirectional operation of the OTN interface, if each unit in the OTN interface operates normally, when the signal is transmitted, the bidirectional sensing cable 102 is connected in the bidirectional sensing cable 102, at this time, the bidirectional sensing cable 102 transmits the electrical signal to the signal core 103, the signal core 103 connects the diagonal electromagnetic auxiliary block 3 and the electromagnetic block in the electromagnetic group 602, the electromagnetic block is connected to generate magnetism, and the magnetic attraction force is greater than the elastic force of the reset elastic strip 603, and the ferromagnetic part is adsorbed, so that the reset elastic strip 603 is compressed, the friction supporting band 6 moves away from the inner wall of the friction adjusting hole of the rolling disc 201, so that the friction supporting band 6 does not contact with the inner wall of the friction adjusting hole, and the friction force of the rolling disc 201 in rotation is reduced; the diagonal electromagnetic auxiliary block 3 is energized to generate magnetism, and generates magnetic force action on the bar-shaped magnetic block 204, so that the magnetic pole in the clockwise direction of the bar-shaped magnetic block 204 and the magnetic pole of the diagonal electromagnetic auxiliary block 3 form different magnetic poles, and the magnetic pole in the counterclockwise direction of the bar-shaped magnetic block 204 and the magnetic pole of the diagonal electromagnetic auxiliary block 3 form the same magnetic pole, so that the diagonal electromagnetic auxiliary block 3 drives the marking arc piece 202 and the rolling disc 201 to rotate instantaneously through the cooperation of magnetic repulsion and attraction, and the rotation angle and the magnetic force control of the diagonal electromagnetic auxiliary block 3 can be calculated by a person skilled in the art according to the magnetic attraction force, the rotation perimeter of the marking arc piece 202 and the on-state duration of the OTN interface unit, which is not described herein in detail, so that the marking arc piece 202 generates rotation displacement and generates position alternation, and after the OTN interface operation test is completed, the diagonal electromagnetic auxiliary block 3 is de-energized, the magnetism is lost, the bar-shaped magnetic block 204 is not acted any more, meanwhile, the electromagnetic block in the electromagnetic group 602 is powered off and does not have magnetism any more, the adsorption on a ferromagnetic part is removed, the reset elastic strip 603 is enabled to generate elastic recovery, the friction support belt 6 is driven to generate recovery, the inner wall of a friction adjusting hole in the rolling disc 201 is abutted, the rolling disc 201 is subjected to friction fixing, the rolling disc 201 is effectively prevented from rotating by mistake, the inaccuracy of breakpoint judgment caused by the false displacement of the switching-on displacement sensing assembly 2 is effectively avoided, the validity and the reliability of breakpoint area judgment are effectively improved, a tester can conveniently perform data analysis on the OTN interface, and the maintenance and the improvement of the OTN interface are facilitated; the mark identification strip 4 reads the mark symbol 203 on the mark arc sheet 202 and displays the mark symbol through a counting display; if each unit in the OTN interface operates abnormally, the unit cannot be connected, and at the moment, the bidirectional induction cable 102 is not connected, so that the signal core 103 is not connected, the displacement induction assembly 2, the diagonal electromagnetic auxiliary block 3 and the friction support band 6 are not connected, and the mark identification strip 4 does not display the moving times through the counting display when identifying the mark symbol 203 on the mark arc piece 202; through establishing ties in each unit monitor 1 and the OTN interface, effectively carry out the rapid judgement to the running state of unit, simplify the unusual judgement step of operation, can also effectively form the linkage mode with the operation of each unit in the OTN interface, reduce the test total length, improve the efficiency of OTN design, and can also carry out the accumulation to the data of single test and last, keep the sustainability of data, be convenient for carry out data analysis to each unit of OTN interface after the operation test.
Referring to fig. 1-4, the sequence of the OTN interface forward test in step S1 is as follows:
s11, transmitting a signal to an optical layer in an OTN interface through an optical cable, amplifying the signal through an optical amplification unit, separating monitoring light and service light through an optical wavelength division module in an optical wavelength division unit, performing wavelength division on the separated service light through an optical add-drop multiplexing unit, and transmitting the separated service light to an electrical layer;
s12, service lights with different wavelengths are subjected to photoelectric conversion through the optical line interface unit and then are transmitted to the corresponding branch line interface unit through the electric cross unit, so that photoelectric conversion is performed, original service light signals are output from the corresponding service interface, overall transmission from the optical layer to the electric layer in the OTN interface is roughly judged through forward testing, OTN interface design is effectively judged, effectiveness of optical layer calculation and electric layer configuration of the OTN interface is improved, and improvement and maintenance of the OTN interface are facilitated.
Referring to fig. 1-3, the sequence of the OTN interface reverse test in step S2 is as follows:
s21, entering the received service signal into an electric layer in an OTN interface through a service interface, performing photoelectric conversion through a branch interface unit, exchanging through an electric cross unit, and transmitting to a corresponding optical line interface unit for photoelectric conversion so that the signal is transmitted to the optical layer;
s22, the optical add-drop multiplexing unit combines the service signals with different wavelengths, then the service light is amplified through the optical amplification unit, at the moment, the optical monitoring unit sends monitoring light, the monitoring light and the service light are transmitted to the optical combining module in the optical combining-splitting unit together for wave combination, then the wave combination is transmitted to the optical cable through the optical add-drop multiplexing unit for output, and the data transmitted by the signal in the OTN interface is re-verified through reverse testing.
The description of each unit of the OTN interface is as follows:
NP/OA: an optical amplifying unit, which inevitably attenuates light during transmission, needs to perform relay amplification at a suitable position in a transmission line, and commonly used optical amplifying devices include: erbium doped fiber amplifiers, etc. OSC: the optical monitoring unit is internally provided with a laser which emits monitoring light for monitoring a circuit to monitor a transmission network. OMU: the optical wave combining module is a device for combining service lights with different frequencies as the name suggests; ODU: and the optical wavelength division module is opposite to the OMU and is used for dividing the light waves which are transmitted on the optical backbone network and are multiplexed by various frequencies into service waves with different frequencies, and the OMU and the ODU form an optical wavelength division unit. OTU: the optical forwarding unit converts the input light with non-standard frequency into the C-band (1530-1565 nm) at the transmitting end, and converts the light with the C-band into the service light with corresponding frequency.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions or changes according to the technical solutions and modifications of the present application should be covered by the scope of the present application.

Claims (10)

1. A breakpoint self-test method of an OTN optical layer calculation and electrical layer configuration technology comprises an OTN interface and a breakpoint self-test system, and is characterized by comprising the following steps:
s1, forward test, transmitting signals to an optical layer in an OTN interface through an optical cable, and transmitting the signals to a service interface for output through conversion of an electrical layer;
s2, performing reverse test, namely transmitting a signal to an electric layer in an OTN interface through a service interface, and transmitting the signal to an optical cable for output through an optical layer;
s3, identifying a forward breakpoint, and identifying the breakpoint of each unit in the OTN interface when the OTN interface operates abnormally in the forward direction;
s31, collecting data of unit monitors (1) arranged in each unit on the optical layer and the electrical layer, and starting a mark identification strip (4) to identify a mark symbol (203) on a mark arc sheet (202) communicated with a displacement sensing assembly (2);
s32, if the mark identification strip (4) on the corresponding unit identifies that the mark symbol (203) changes, judging that the unit has no forward breakpoint;
s33, if the mark identification strip (4) on the corresponding unit identifies that the mark symbol (203) is not changed, judging that the unit has a positive breakpoint;
s4, judging a bidirectional test breakpoint, and judging the breakpoint after the bidirectional test of the OTN interface is finished;
s41, collecting data of unit monitors (1) arranged in each unit on the optical layer and the electric layer again, and starting a mark identification strip (4) to identify a mark symbol (203) communicated with a mark arc sheet (202) in the displacement sensing assembly (2);
s42, if the identification mark symbol (203) of the mark identification strip (4) on the corresponding unit changes twice, judging that the unit has no break point;
s43, if the mark identification strip (4) on the corresponding unit identifies the mark symbol (203) to generate single change,
if the unit is the unit without the forward breakpoint judged in the step S32, the breakpoint of the unit is located in the reverse transmission region;
if the unit is the unit with the forward breakpoint judged in the step S33, the breakpoint of the unit is located in the forward transmission region;
and S44, if the mark identification strip (4) on the corresponding unit identifies that the mark symbol (203) is not changed, judging that the breakpoint of the unit is positioned in the forward transmission area and the reverse transmission area simultaneously.
2. The breakpoint self-test method of the OTN optical layer calculation and electrical layer configuration technology according to claim 1, comprising a unit monitor (1) mounted on each unit of the OTN interface, wherein the unit monitor (1) comprises an insulating protective shell (101), the insulating protective shell (101) is fixedly connected to each unit of the OTN interface, a signal core (103) is fixedly connected in the insulating protective shell (101), a grid cover (104) is fixedly connected to an outer end of the signal core (103), two brackets (5) are fixedly connected to upper and lower inner walls of the grid cover (104), and a displacement sensing component (2) is connected to an outer side of the signal core (103) and is connected between the two brackets (5);
the switch-on displacement induction assembly (2) comprises a rolling disc (201), the rolling disc (201) is connected between two support frames (5), a plurality of marking arc sheets (202) located on the outer sides of the support frames (5) are fixedly connected to the outer ends of the rolling disc (201), one ends, far away from the signal cores (103), of the marking arc sheets (202) are coated with marking symbols (203), the marking arc sheets (202) are close to one ends, fixedly connected with a pair of bar-shaped magnetic blocks (204), of the signal cores (103), one sides, close to the rolling disc (201), of the support frames (5) are connected with a plurality of diagonal electromagnetic auxiliary blocks (3) matched with the bar-shaped magnetic blocks (204), and the front inner wall of the insulating protective shell (101) is fixedly connected with marking identification strips (4) matched with the single marking arc sheets (202).
3. The breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology according to claim 2, wherein a counting display matched with the mark identification strip (4) is fixedly connected to the front end of the unit monitor (1).
4. The breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology according to claim 2, wherein two-way sensing cables (102) are electrically connected to both upper and lower ends of the signal core (103), the two-way sensing cables (102) extend to the outside of the insulating protective housing (101) away from the signal core (103), and the two-way sensing cables (102) are respectively connected in series with corresponding units in the unit monitor (1).
5. The method for breakpoint self-testing of OTN optical layer calculation and electrical layer configuration technology according to claim 2, wherein the supporting frame (5) comprises a fixed ring (501), the upper inner wall and the lower inner wall of the grating cover (104) are both fixedly connected with the fixed ring (501) located outside the signal core (103), one end of each of the two fixed rings (501) close to each other is both fixedly connected with a plurality of supporting rods (502), and one end of each supporting rod (502) far away from the fixed ring (501) is fixedly connected with a splicing ring (503).
6. The method of claim 5, wherein a plurality of balls are rotatably connected to the two embedded rings (503) near one end, and the two embedded rings (503) are rotatably connected to the rolling disk (201) through the balls.
7. The method of claim 5, wherein a plurality of diagonal electromagnetic auxiliary blocks (3) are fixedly connected to the outer end of the embedded ring (503), and the diagonal electromagnetic auxiliary blocks (3) are electrically connected to the signal core (103) through wires.
8. The breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology according to claim 2, wherein a friction adjusting hole matched with the signal core (103) is formed in the rolling disc (201), the outer end of the signal core (103) is fixedly connected with a friction supporting belt (6) located in the friction adjusting hole, a shape-changing cavity (601) is formed in the friction supporting belt (6), a plurality of electromagnetic groups (602) and a plurality of elastic resetting strips (603) are fixedly connected in the shape-changing cavity (601), and the plurality of electromagnetic groups (602) and the plurality of elastic resetting strips (603) are distributed at intervals.
9. The breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology according to claim 3, wherein the sequence of the OTN interface forward test in step S1 is as follows:
s11, transmitting a signal to an optical layer in an OTN interface through an optical cable, amplifying the signal through an optical amplification unit, separating monitoring light and service light through an optical wavelength division module in an optical wavelength division unit, performing wavelength division on the separated service light through an optical add-drop multiplexing unit, and transmitting the separated service light to an electrical layer;
and S12, performing photoelectric conversion on the service light with different wavelengths through an optical line interface unit, and then transmitting the service light to the corresponding branch interface unit through an electric cross unit to perform photoelectric conversion, so that the original service light signal is output from the corresponding service interface.
10. The method of claim 3, wherein the order of reverse testing of the OTN interface in step S2 is as follows:
s21, entering the received service signal into an electric layer in an OTN interface through a service interface, performing photoelectric conversion through a branch interface unit, exchanging through an electric cross unit, and transmitting to a corresponding optical line interface unit for photoelectric conversion so that the signal is transmitted to the optical layer;
and S22, the optical add-drop multiplexing unit combines the service signals with different wavelengths, then the service light is amplified through the optical amplification unit, at the moment, the optical monitoring unit sends monitoring light, the monitoring light and the service light are transmitted to the optical combining module in the optical combining-drop multiplexing unit together for wave combination, and then the monitoring light and the service light are transmitted to the optical cable through the optical add-drop multiplexing unit for output.
CN202210951467.9A 2022-08-09 2022-08-09 Breakpoint self-test method of OTN optical layer calculation and electrical layer configuration technology Active CN115022752B (en)

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CN111294669A (en) * 2018-12-07 2020-06-16 中国移动通信集团内蒙古有限公司 OTN (optical transport network) network architecture and scheduling method
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Publication number Priority date Publication date Assignee Title
US20160013861A1 (en) * 2013-02-15 2016-01-14 Telefonaktiebolaget L M Ericsson (Publ) Monitoring of communications network at packet and optical layers
CN103973359A (en) * 2014-04-16 2014-08-06 烽火通信科技股份有限公司 OTN protection switching automation testing system, method and device
CN111294669A (en) * 2018-12-07 2020-06-16 中国移动通信集团内蒙古有限公司 OTN (optical transport network) network architecture and scheduling method
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