CN1564526A - Method of identifying changing state and control command station in optical network - Google Patents
Method of identifying changing state and control command station in optical network Download PDFInfo
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- CN1564526A CN1564526A CN 200410029811 CN200410029811A CN1564526A CN 1564526 A CN1564526 A CN 1564526A CN 200410029811 CN200410029811 CN 200410029811 CN 200410029811 A CN200410029811 A CN 200410029811A CN 1564526 A CN1564526 A CN 1564526A
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Abstract
The invention relates concretely to ease method for identifying protective rearrange state or control command state in workstation of SONET/SDH network. Primary positioning fault is carried out by using the method for optical loops relevant to optical network workstation not having network management function. The invention is in favor of maintaining complex optical network, prevents artificial operation mistake caused by unknown state of control command in adjustment and maintenance of optical network.
Description
Technical field
The present invention relates to a kind of method of discerning switch status and webmaster control command state in optical-fiber network, this method is used for identification switch status and webmaster control command state on the optical network node station.
Background technology
In Synchronous Optical Network/synchronous digital hierarchy (SONET/SDH) network operation of complexity, maintenance to optical-fiber network is very important, when breaking down in the optical-fiber network, need the timely failure judgement of energy and fix a breakdown, ensure the normal operation of optical-fiber network, the monitoring effect that this moment, webmaster played in the overall optical network operation just seems extremely important, does not have webmaster just can not in time grasp the operation conditions of optical-fiber network.
Continuous development along with Synchronous Optical Network, the optical branch of SONET/SDH equipment is also more and more at present, can form a plurality of rings, the complexity of group ring is also increasing, single work station can be in (in the net piece) in the different loops, and all optical branch all are to be controlled by a webmaster, and the running status of work station all is uploaded to webmaster on each loop, come unified monitoring by webmaster, therefore only just can know the ruuning situation of overall optical network at the work station that webmaster is arranged.Maintenance work to the optical-fiber network that becomes increasingly complex is a very arduous and important task, ensure the unobstructed and timely failure judgement of optical-fiber network operation and get rid of the fault that occurs in the optical-fiber network, this all be unable to do without webmaster, and just can't obtain the operation conditions of optical-fiber network at the website that does not have webmaster.If in case the equipment of certain work station or circuit break down and protect switching action; do not having under the situation of webmaster; we are difficult to determine at short notice where fault occurs on the existing equipment of this work station; have only and just can know by the information that reports webmaster and fault to have occurred; maintenance to optical-fiber network has increased certain degree of difficulty like this; troubleshooting of faults is also increased difficulty, delayed the time of the normal operation of network recovery.Simultaneously,, need assign some control commands,, need carry out protection switching to detect extension wire and equipment etc. for example for the operation conditions of checkout facility and circuit by webmaster at optical-fiber network debugging and maintenance phase.After the debugging of optical-fiber network and maintenance task are finished, control command should be cancelled, for example cancel switch status and recover original system configuration state etc.Because control command is assigned not obviously prompting; thereby the time regular meeting mistake of the control command of having assigned takes place not have to cancel; thereby the resource backup that causes optical-fiber network to be used for protection switching is taken for a long time; in case break down then can't normally protect and switch; bring unnecessary difficulty can for like this fault eliminating of optical-fiber network; bring enormous economic loss also can for simultaneously optical-fiber network operator, also bring bad reputation to equipment manufacturers.
Therefore, the straightforward procedure that needs a kind of work station identification protecting switch status and control command state at optical-fiber network.
Summary of the invention
The purpose of this invention is to provide a kind of in optical-fiber network the method for identification protecting switch status and control command state, this method is particularly useful for using not having on the optical-fiber network work station of network management function.This method relates to the design of single-chip microcomputer (CPU) software and field programmable device (FPGA) hardware circuit.By the single-chip microcomputer on the work station circuit board (CPU); the combination of field programmable device (FPGA) software and hardware; the lighting lamp state of the work of each ring and the protection Light-Emitting Diode of falling the ring status in control command state light diode on the circuit board of Control work station and the optical-fiber network; provide a kind of on the optical-fiber network work station method of simple and easy identification optical network protection turning and control command; can be implemented under the situation that does not have webmaster the operation conditions that control command Light-Emitting Diode by checking the work station circuit board and network operation Light-Emitting Diode obtain current whole network.
Single-chip microcomputer (CPU) must be arranged, the Light-Emitting Diode (LED) of field programmable device (FPGA) and display device running status on the work station circuit board.The software of CPU is handled by the work at present information to each ring of obtaining, and the result who handles is passed to FPGA by the data and address bus of CPU, and FPGA carries out data address again and deciphers the lighting lamp state of controlling LED.The running status of each ring that disposes on just can simple and easy judgment device by these Light-Emitting Diodes.Each ring is joined two Light-Emitting Diodes of two kinds of different colours, comes the present operating state of indicating ring by the Light-Emitting Diode of lighting different colours.Control command state light diode is a monochromatic burner, because it plays reminding effect, can be with a kind of Light-Emitting Diode of very special color, the light-emitting diode of purple for example, work station receives also have been carried out this Light-Emitting Diode of control command and has just been lighted, cancel this control command then this Light-Emitting Diode extinguish.
The invention provides the method for identification protecting switch status and control command state in a kind of Synchronous Optical Network/synchronous digital hierarchy (SONET/SDH) network, and the fault that occurs in the optical-fiber network can be carried out Primary Location, help the maintenance of complicated optical-fiber network.
The present invention's method of identification protecting switch status and control command state in optical-fiber network comprises the following steps:
Single-chip microcomputer on the work station circuit board obtains the whether state of operate as normal of field programmable device by input/output interface, if this field programmable device irregular working, then it being resetted reconfigures it and operate as normal;
After the field programmable device operate as normal, the single-chip microcomputer on the work station circuit board is by the Presentation Function of all light-emitting diodes on the field programmable device taking turn checking workstation circuit board;
Single-chip microcomputer writes the default configuration of all light-emitting diodes in the field programmable device by address and data/address bus, by field programmable device carry out data again, address decoding meets default configuration with the demonstration of controlling all light-emitting diodes;
After the work station circuit board receives and protects switching control command, Single-chip Controlling work station execute protection is switched order, the protected corresponding normal condition light-emitting diode of switching of optical loop is extinguished, simultaneously the pairing protection switch status of this optical loop light-emitting diode is lighted, and the control command status led is lighted;
After the work station circuit board receives cancellation protection switching control command; the Single-chip Controlling work station is carried out to cancel and is protected the order of switching to recover original work optical loop; protect the pairing protection switch status of the optical loop light-emitting diode of switching to extinguish with being cancelled; simultaneously the pairing normal condition light-emitting diode of this optical loop is lighted, and the control command status led is extinguished.
In the method for the invention; after the work station circuit board receives protection switching control command at certain optical loop; order is switched in these protections of Single-chip Controlling work station; the protected corresponding normal condition light-emitting diode of switching of optical loop is extinguished; simultaneously the pairing protection switch status of this optical loop light-emitting diode is lighted; single-chip microcomputer will detect whether the not cancellation as yet of the protection of other optical loop switching control command is arranged this moment; if there is still undissolved protection switching control command at other optical loop; then because the control command status led on this work station circuit board is lighted, single-chip microcomputer will be kept the illuminating state of this control command status led.
In the method for the invention; after the work station circuit board receives the protection switching control command of cancellation at certain optical loop; single-chip microcomputer is at first cancelled the protection of this optical loop is switched; this optical loop is returned on the normal fibre circuit; and control the pairing normal condition light-emitting diode of this optical loop and light; protection switch status light-emitting diode is extinguished; whether single-chip microcomputer will detect and have the protection of other optical loop switching control command not to be cancelled as yet this moment; have only when not having still undissolved protection switching control command at other optical loop, just the control command status led is extinguished.
Provided by the invention a kind of on the optical-fiber network work station short-cut method of identification protecting switch status and control command state; utilize this method can make communication service operator lighter maintenance and commissioning device easily; in time fix a breakdown, avoid taking place artificial mistake.
Description of drawings
Fig. 1 is to use the optical-fiber network work station schematic diagram of the inventive method;
Fig. 2 is to use Light-Emitting Diode (LED) schematic diagram of arranging on the work station circuit board panel of the inventive method;
Fig. 3 is the fundamental diagram that single-chip microcomputer is configured Light-Emitting Diode (LED) luminance on the work station circuit board;
Fig. 4 is to use the optical-fiber network work station circuit board of the inventive method to connect the flow chart that process is looked in electric-examination;
Fig. 5 is to use the inventive method by the simplification flow process controlled of single-chip microcomputer on the work station circuit board to control command state light diode and protection switch status Light-Emitting Diode.
Embodiment
Method of the present invention is by programming to the single-chip microcomputer that circuit board had on the optical-fiber network work station, and moved the hardware circuit of this application configuration and field programmable device (FPGA) and realized by this single-chip microcomputer (CPU).
Fig. 1 has shown the effect that method of the present invention plays in the optical-fiber network work station, when circuit or device fails, there be not the website of webmaster, the staff can clearly obtain the operation conditions of optical-fiber network by each Light-Emitting Diode on the panel of work station circuit board, and can in time fix a breakdown.
In Fig. 1; certain bar fibre circuit of optical loop between 1# work station and the 2# work station breaks down; at this moment sent by webmaster the fault fibre circuit between 1# work station and the 2# work station is protected the control command of switching, the single-chip microcomputer of above-mentioned two work station circuit boards is carried out this control command this fibre circuit protection is switched.Then, on Single-chip Controlling 1# work station and the 2# work station normal condition light-emitting diode that should optical loop is extinguished, and on above-mentioned two work stations protection switch status light-emitting diode that should optical loop is lighted.Simultaneously, the control command status led also controlled on above-mentioned two work stations of the single-chip microcomputer of above-mentioned two work stations is lighted.
If certain bar fibre circuit of the optical loop between 5# work station and the 2# work station breaks down at this moment; at this moment sent by webmaster this fault fibre circuit between 5# work station and the 2# work station is protected the control command of switching, the single-chip microcomputer of above-mentioned two work station circuit boards is carried out this control command this fibre circuit protection is switched.Then, on Single-chip Controlling 5# work station on the above-mentioned two work station circuit boards and the 2# work station normal condition light-emitting diode that should optical loop is extinguished, and on above-mentioned two work stations protection switch status light-emitting diode that should optical loop is lighted.At this moment, because the control command status led on above-mentioned two work stations is lighted, this control command status led illuminating state still keeps.
If the fault fibre circuit between 1# work station and the 2# work station recovers normal through maintenance; two work stations will receive the control command that cancellation that webmaster sends is switched this fault fibre circuit protection; then the single-chip microcomputer on two work stations is carried out this order; and control is lighted normal condition light-emitting diode that should optical loop; protection switch status light-emitting diode that should optical loop is extinguished; at this moment single-chip microcomputer will detect the protection switching control command not cancellation as yet that whether also exists at other optical loop; if exist protection switching control command not to be cancelled as yet really at other optical loop; then the control command status led that will not control on its circuit board of single-chip microcomputer is extinguished; otherwise; do not have still undissolved protection switching control command if single-chip microcomputer detects in this work station, then the control command status led on this work station circuit board panel of Single-chip Controlling is extinguished.
When using method of the present invention; both can on the work station circuit board panel, use the light-emitting diode of two different colours to represent the normal condition of an optical loop respectively and protect switch status as mentioned above, also can utilize the normal condition and the protection switch status of two kinds of color showing optical loops that send of a dichromatic LED.The dichromatic LED that utilizes just that Fig. 2 is represented is represented the example of two states.Among Fig. 2, R1-SW, R2-SW ..., Rn-SW represents the 1st light-emitting diode to the state of n optical loop respectively.CTRL represents the control command status led.
Fig. 3 represents to use the schematic diagram of single-chip microcomputer (CPU) by field programmable device (FPGA) control light-emitting diode (LED) on the optical-fiber network work station circuit board of the inventive method.Reference numeral DATA among the figure and ADDR represent data/address bus and the address bus on this circuit board respectively.
When Fig. 4 showed the optical-fiber network work station circuit board initial turn-on power supply that uses the inventive method, single-chip microcomputer (CPU) carried out the working method of initial default configuration to circuit board.After the work station circuit board powers up, CPU at first obtains the whether state of operate as normal of field programmable device (FPGA) by its I/O (I/O) interface, if irregular working, then FPGA being resetted reconfigures FPGA so that operate as normal, after CPU detects the FPGA operate as normal, CPU will carry out the taking turn inspection to the Presentation Function of light-emitting diode (LED) by FPGA, check that can LED operate as normal, in case CPU is to FPGA, the inspection of LED finishes, and FPGA, LED is normal, then CPU writes the default configuration numerical value of each LED among the FPGA by address bus and data/address bus, and FPGA carries out the bright lamp work that data address decoding removes to control LED again.
Fig. 5 has shown the how flow process of Light-Emitting Diode work on the Control work station circuit board panel of single-chip microcomputer (CPU).After the optical-fiber network work station circuit board that uses the inventive method enters the state of operate as normal, reach according to the Light-Emitting Diode on the next correct control panel of the CPU software of the inventive method programming by the control command that receives webmaster.
Set-up mode to control command state light diode on the optical-fiber network work station circuit board panel is as follows: the panel of the optical-fiber network work station circuit board of use the inventive method is provided with a demonstration and from webmaster this work station circuit board was operated the Light-Emitting Diode of control command.After work station was accepted control command that webmaster assigns, control command state light diode was lighted on this work station circuit board, as long as once carry out the operation of control command, this Light-Emitting Diode is just lighted.Have only when webmaster is cancelled all control commands of having assigned, this control command Light-Emitting Diode just can be extinguished.It is to extinguish the control command Light-Emitting Diode that the work station circuit board powers up default configuration.Because control command is in equipment debugging and maintenance, can plays equipment inspection and get rid of the important function of fault in the optical-fiber network, so in case when equipment or network recovery normally move, then correspondingly cancel the control command that all have been assigned.For fear of taking place, the mistake that control command is not cancelled causes unnecessary human failure, on the optical-fiber network work station, use method identification control coomand mode of the present invention, just can prevent above-mentioned wrong the generation, therefore the control command status led on the work station circuit board panel should select to send the light-emitting diode of conspicuous color, for example purple-light illuminanted light-emitting diode.
Set-up mode to normal condition on the optical-fiber network work station circuit board panel and protection switch status Light-Emitting Diode is as follows: use the panel of the optical-fiber network work station circuit board of the inventive method to be provided with the Light-Emitting Diode that ring work and protection are switched in several display light networks.The quantity of the light-emitting diode of above-mentioned normal condition and protection switch status can be selected according to actual needs.For example, according to the designing requirement of synchronous digital hierarchy (SDH) equipment, select the quantity of different normal condition light-emitting diode of glow color and protection switch status Light-Emitting Diode to equal the maximum of the group number of rings amount that this SDH equipment allowed.Also the light of two kinds of different colours that can send with a dichromatism light-emitting diode is represented the normal condition and the protection switch status of same optical loop respectively; can reduce the total quantity of the light-emitting diode that need arrange on panel like this, the corresponding dual color light emitting diode of each optical loop that work station is relevant is indicated the state of current operate as normal of this optical loop or the state that protection is switched.
Those skilled in the art are in the actual light network application, can adjust the quantity of Light-Emitting Diode according to the quantity of the actual light loop of SDH equipment disposition voluntarily, promptly what optical loops SDH equipment has disposed and just with how many Light-Emitting Diodes has accordingly indicated in optical-fiber network; Those skilled in the art can also carry out default configuration by the quantity that SDH equipment is organized ring at most; there is the state light diode of the optical loop correspondence that standby resources protection switches just can work; do not protect the state light diode of optical loop correspondence of switch function configuration just inoperative; this configuration can make manufacturing and designing of equipment unitized; and can apply in a flexible way the convenient optical network protection loop that in the equipment use, increases at any time.By demonstration situation, can also infer whether each optical loop has the protection switch function and currently be operated in normal condition or be operated in the protection switch status to each optical loop institute corresponding states light-emitting diode on the work station circuit board panel.Represent respectively that at the light-emitting diode that sends different colours with two if certain optical loop does not have the configuration protection switch function, then two light-emitting diodes all do not work under the situation of optical loop normal condition and protection switch status; If certain optical loop has disposed certain protection switch function but protection has taken place and switched, then normal condition Light-Emitting Diode that should optical loop is lighted, show this optical loop ring configuration protection switch function and be now operating in normal condition; If certain optical loop has disposed the protection switch function and protection has taken place and switched, then normal condition light-emitting diode that should optical loop is extinguished, and the protection switch status Light-Emitting Diode of this optical loop is lighted, and shows that this optical loop has been in the protection switch status; There are not the normal condition light-emitting diode of a corresponding optical loop and the situation that protection switch status light-emitting diode is lighted simultaneously.
Claims (8)
1. the method for identification protecting switch status and control command state in an optical-fiber network, this method comprises the following steps:
Single-chip microcomputer on the work station circuit board obtains the whether state of operate as normal of field programmable device by input/output interface, if this field programmable device irregular working, then it being resetted reconfigures it and operate as normal;
After the field programmable device operate as normal, the single-chip microcomputer on the work station circuit board is by the Presentation Function of all light-emitting diodes on the field programmable device taking turn checking workstation circuit board;
Single-chip microcomputer writes the default configuration of all light-emitting diodes in the field programmable device by address and data/address bus, by field programmable device carry out data again, address decoding meets default configuration with the demonstration of controlling all light-emitting diodes;
After the work station circuit board receives and protects switching control command, Single-chip Controlling work station execute protection is switched order, the protected corresponding normal condition light-emitting diode of switching of optical loop is extinguished, simultaneously the pairing protection switch status of this optical loop light-emitting diode is lighted, and the control command status led is lighted;
After the work station circuit board receives cancellation protection switching control command; the Single-chip Controlling work station is carried out to cancel and is protected the order of switching to recover original work optical loop; protect the pairing protection switch status of the optical loop light-emitting diode of switching to extinguish with being cancelled; simultaneously the pairing normal condition light-emitting diode of this optical loop is lighted, and the control command status led is extinguished.
2. according to the method for claim 1; it is characterized in that: after the work station circuit board receives protection switching control command at certain optical loop; order is switched in these protections of Single-chip Controlling work station; the protected corresponding normal condition light-emitting diode of switching of optical loop is extinguished; simultaneously the pairing protection switch status of this optical loop light-emitting diode is lighted; single-chip microcomputer will detect whether the not cancellation as yet of the protection of other optical loop switching control command is arranged this moment; if there is still undissolved protection switching control command at other optical loop; then because the control command status led on this work station circuit board is lighted, single-chip microcomputer will be kept the illuminating state of this control command status led.
3. according to the method for claim 1; it is characterized in that: after the work station circuit board receives the protection switching control command of cancellation at certain optical loop; single-chip microcomputer is at first cancelled the protection of this optical loop is switched; this optical loop is returned on the normal fibre circuit; and control the pairing normal condition light-emitting diode of this optical loop and light; protection switch status light-emitting diode is extinguished; whether single-chip microcomputer will detect and have the protection of other optical loop switching control command not to be cancelled as yet this moment; have only when not having still undissolved protection switching control command at other optical loop, just the control command status led is extinguished.
4. according to the method for claim 1, it is characterized in that: can use two light-emitting diodes that send different colours light to represent the normal condition of an optical loop respectively and protect switch status.
5. according to the method for claim 1; it is characterized in that: can use a dichromatic LED to substitute described two light-emitting diodes that send different colours, promptly utilize a dichromatic LED two kinds of different colours light that can send represent the normal condition and the protection switch status of an optical loop respectively.
6. according to the method for claim 1, it is characterized in that: the quantity of the status led that is provided with on the work station circuit board panel equals the quantity of the optical loop of the actual use of this work station.
7. according to the method for claim 1, it is characterized in that: the quantity of the status led that is provided with on the work station circuit board panel equals the quantity that this station device allows maximum optical loops of using.
8. according to the method for claim 1, it is characterized in that: can use a light-emitting diode that sends conspicuous color light as the control command status led, be used to the control command state of representing that the work station circuit board receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100298110A CN100433635C (en) | 2004-03-29 | 2004-03-29 | Method of identifying changing state and control command station in optical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100298110A CN100433635C (en) | 2004-03-29 | 2004-03-29 | Method of identifying changing state and control command station in optical network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1564526A true CN1564526A (en) | 2005-01-12 |
| CN100433635C CN100433635C (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100298110A Expired - Fee Related CN100433635C (en) | 2004-03-29 | 2004-03-29 | Method of identifying changing state and control command station in optical network |
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| CN (1) | CN100433635C (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5433300A (en) * | 1999-05-21 | 2000-12-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for displaying information in a fault management system |
| CN1323498C (en) * | 2002-07-30 | 2007-06-27 | 中兴通讯股份有限公司 | Soluting method for protection of loop fault of optical transmission network by four fiber complex section sharing |
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Granted publication date: 20081112 Termination date: 20190329 |