CN105812051A - ROADM internal optical fiber connection detection method, detection system, and ROADM - Google Patents
ROADM internal optical fiber connection detection method, detection system, and ROADM Download PDFInfo
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Abstract
The invention discloses a reconstructible add-drop multiplexer ROADM internal optical fiber connection detection method. The ROADM internal optical fiber connection detection method is characterized in that wavelength blocking WB modules are switched on, and optical signals transmitted from optical-splitting ports of optical splitters can be transmitted to input ports of wavelength selective switches WSS; the WSS are used to transmit the optical signals to the optical signal detection sub-modules, which can be used to report the optical signal information to a webmaster module; the webmaster module is used to determine whether the optical signals received by the WSS are the same as the optical signals transmitted by the optical-splitting ports, and when the answer is yes, the optical fiber connection between the optical-splitting ports and the input ports is normal. The detection method, the detection system, and the ROADM are advantageous in that by controlling the switching-on/off of the wavelength blocking modules and the wavelength selection of the WSS, the logic connection between different ports can be realized; by comparing the received optical signals with the signals of the specified optical-splitters, whether the optical fiber connection between different ports exists can be determined, and therefore the ROADM internal optical fiber connection state can be acquired correctly, and the detection method, the detection system, and the ROADM can be used for the ROADM project acceptance.
Description
Technical field
The present invention relates to technical field of photo communication, particularly relate to a kind of ROADM internal connection detection method of optical fiber, system and ROADM.
Background technology
In recent years, wave division multiplexing WDM (WavelengthDivisionMultiplexing) technology is applied to optical transport network at different levels more and more widely, its network topology structure is also from simple annular, tree structure, to increasingly complex network structure evolution.Quickly increasing of data service requires to provide more intelligent functions to network, in order to can quickly respond when network topology and business change, it is achieved the flexible dispatching of business and effective management of bandwidth.Restructural add-drop multiplexer ROADM (ReconfigurableAdd/DropMultiplexer) can be only fitted to different network levels, and realized the intellectuality of whole network by the configurable of wavelength and manageable function.ROADM is the node device of Networks of Fiber Communications, and its basic function is to be completed the road up and down of selected wavelength in real time by Remote configuration, it is possible to promote the motility that wavelength is scheduling by WDM network.
At present, the ROADM in real network is mainly connected by optical fiber by wavelength-selective switches WSS (WavelengthSelectiveSwitch) and optical branching filter and is formed.ROADM is tieed up for a N, it is necessary to 2 × N2Bar internal optical fiber interconnects.When ROADM dimension is higher, being operated by manually carrying out even fibre by the internal optical fiber having enormous amount, the correctness that actual fiber connects cannot be verified.At present, ROADM internal optical fiber annexation passes through user's craft typing network management system, and logging data cannot ensure with the actual concordance connecting fine state, it is easy to causes the generation of fault.
Summary of the invention
In view of this, the technical problem that the invention solves the problems that is to provide the internal detection method connecting optical fiber of a kind of restructural add-drop multiplexer ROADM, completes the logic connection between different port by control wavelength blocking-up WB (WavelengthBlocker) module and WSS.
The internal detection method connecting optical fiber of a kind of restructural add-drop multiplexer ROADM, including: control wavelength and block WB module and open, make the optical signal that sends from the light splitting port of optical branching filter via the input port of described WB module entrance wavelength-selective switches WSS；Described optical signal is sent to optical signal detecting submodule by described WSS, and described optical signal detecting submodule reports the optical signal information of detection to webmaster module；Based on described optical signal information, described webmaster module judges that whether the described WSS optical signal received is identical with the optical signal that described light splitting port sends, if it is, the optical fiber determined between described light splitting port and described input port is connected normally.
According to one embodiment of present invention, further, the optical signal information of described optical signal detecting submodule detection includes: power information, spectral signature information.
According to one embodiment of present invention, further, the road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by described optical branching filter, and is sent to multiple light splitting ports of described optical branching filter；Each light splitting port of described optical branching filter is connected by optical fiber with the input port of described WSS, and arranges described WB module at each light splitting port of described optical branching filter.
According to one embodiment of present invention, further, webmaster module, by controlling the opening of described WB module, closing, controls whether described light splitting port sends optical signal；Described WSS is according to the wavelength separated optical signal from described input port；Described webmaster module controls described WSS and the optical signal after separation is sent to described optical signal detecting submodule；Described optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to described webmaster module；Based on spectral signature information, described webmaster module judges that whether the optical signal after described separation is identical with the optical signal that described light splitting port sends.
According to one embodiment of present invention, further, described spectral signature information includes: the wavelength number of optical signal, wavelength value.
According to one embodiment of present invention, further, described webmaster module controls whole described WB modules successively and opens, closes, and makes the quantity being simultaneously in the described WB module of open mode for one or more；The spectral signature information that described optical signal detecting submodule is sent by described webmaster module is mated with the spectral signature of the light splitting port of the currently transmitted optical signal of storage, if the match is successful, it is determined that the optical fiber being set between the light splitting port of open mode and the input port of described WSS is connected normally.
According to one embodiment of present invention, further, the quantity of the described WB module that the control of described webmaster module is simultaneously in open mode is 1, and the quantity making the light splitting port of transmission optical signal is 1；When described webmaster module receives the power information that described optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of described WSS sending optical signal is connected normally.
Another technical problem that the invention solves the problems that is to provide the internal detection system connecting optical fiber of a kind of restructural add-drop multiplexer ROADM, completes the logic connection between different port by control wavelength blocking-up module and WSS.
The internal detection system connecting optical fiber of a kind of ROADM, including: optical branching filter, for optical signal is carried out partial wave process；Wavelength blocks WB module, and the light splitting port for controlling described optical branching filter sends the break-make of optical signal；Wavelength-selective switches WSS, for the optical signal received is selected, and is sent to optical signal detecting submodule by described optical signal；Described optical signal detecting submodule, for reporting the optical signal information of detection to webmaster module；Based on described optical signal information, webmaster module, for judging that whether the described WSS optical signal received is identical with the optical signal that described light splitting port sends, if it is, the optical fiber determined between described light splitting port and described input port is connected normally.
According to one embodiment of present invention, further, the optical signal information of described optical signal detecting submodule detection includes: power information, spectral signature information.
According to one embodiment of present invention, further, the road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by described optical branching filter, and is sent to multiple light splitting ports of described optical branching filter；Each light splitting port of described optical branching filter is connected by optical fiber with the input port of described WSS, and arranges described WB module at each light splitting port of described optical branching filter.
According to one embodiment of present invention, further, described webmaster module, including: WB controls submodule, for by controlling the opening of described WB module, closing, controlling whether described light splitting port sends optical signal；WSS controls submodule, for controlling described WSS, the optical signal after separation is sent to described optical signal detecting submodule；Spectrum judges submodule, for judging that whether the optical signal after described separation is identical with the optical signal that described light splitting port sends based on spectral signature information；Wherein, described WSS is according to the wavelength separated optical signal from described input port；Described optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to described webmaster module.
According to one embodiment of present invention, further, described spectral signature information includes: the wavelength number of optical signal, wavelength value.
According to one embodiment of present invention, further, described WB controls submodule, opens for controlling whole described WB modules successively, closes, and makes the quantity being simultaneously in the described WB module of open mode for one or more；Spectrum judges submodule, spectral signature information for being sent by described optical signal detecting submodule is mated with the spectral signature of the light splitting port of the currently transmitted optical signal of storage, if the match is successful, it is determined that the optical fiber being set between the light splitting port of open mode and the input port of described WSS is connected normally.
According to one embodiment of present invention, further, described WB controls submodule, is 1 for controlling to be simultaneously in the quantity of the described WB module of open mode, and the quantity making the light splitting port of transmission optical signal is 1；Described webmaster module, also includes: power judges submodule, for when receiving the power information that described optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of described WSS sending optical signal is connected normally.
A kind of ROADM, including the internal detection system connecting optical fiber of ROADM as above.
The ROADM of the present invention is internal connects the detection method of optical fiber, system and ROADM, carries out wavelength selection by the break-make and WSS controlling wavelength blocking-up module, it is achieved the logic connection of different port.The optical signal received is compared with the signal specifying optical branching filter, confirms between different port, whether there is even fibre.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment of the internal detection method connecting optical fiber of the ROADM according to the present invention；
Fig. 2 is the schematic diagram of an embodiment of the internal detection system connecting optical fiber of the ROADM according to the present invention；
Fig. 3 is the structure chart of the webmaster module of the internal detection system connecting optical fiber of the ROADM according to the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, the exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.Below in conjunction with each figure and embodiment, technical scheme is carried out many-sided description.
Fig. 1 is the flow chart of an embodiment of the internal detection method connecting optical fiber of the ROADM according to the present invention, as shown in Figure 1:
Step 101, controls wavelength and blocks WB module and open, and makes the optical signal that sends from the light splitting port of optical branching filter via the input port of WB module entrance wavelength-selective switches WSS.
Step 102, WSS transmits optical signals into optical signal detecting submodule, and optical signal detecting submodule reports the optical signal information of detection to webmaster module.
Step 103, based on optical signal information, webmaster module judges that whether the WSS optical signal received is identical with the optical signal that light splitting port sends, if it is, determine that the optical fiber being arranged between light splitting port and input port is connected normally.
The internal detection method connecting optical fiber of ROADM in above-described embodiment, the differentiation that WB module can realize the light splitting port of passive device optical branching filter is blocked by wavelength, and carry out Wavelength dispatching determine the internal port of actual connection by controlling WSS, the connection status of optical fiber is judged by optical signal detecting module and network management system.
The optical signal information of optical signal detecting submodule detection includes: power information, spectral signature information.Control wavelength by webmaster module and block the operation of WB module and WSS, compared with the optical signal from optical branching filter by the information that optical signal detecting module is reported, it is determined that between different port, whether there is even fine relation.
ROADM internal optical fiber is large number of and connects complexity, it is possible to ROADM inside even fine connected state is scanned.Block WB module by controlling WSS and wavelength, it is achieved the logic connection between difference internal ports, and judge whether that the optical fiber of reality connects, obtain inside and connect fine information.
The road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by optical branching filter, and is sent to multiple light splitting ports of optical branching filter.Each light splitting port of optical branching filter is connected by optical fiber with the input port of WSS, and arranges WB module at each light splitting port of optical branching filter.
Wavelength blocks WB module and is sent out the break-make of optical signal for the light splitting port controlling optical branching filter, and wavelength blocks WB module can individualism, it is possible to carry out integrated with light partial wave board, it is also possible to carry out integrated with light partial wave board and WSS board simultaneously.
WSS is for selecting the optical signal sent into from optical branching filter.Optical signal detecting module is for detecting the optical signal power received, and reports the optical signal information of detection to webmaster module.Webmaster module controls wavelength and blocks WB module and the WSS logic connection to complete between different port, receive the optical signal information that optical signal detecting module reports, judge that inside connects fine state according to optical information, complete confirmation and the arrangement of optical fiber link state between different internal port.
Connection status between all of the port can be polled by equipment, it is also possible to according to practical situation, the connection status between some particular port is detected.The power of all optical signals can be detected by optical signal detecting module, it is also possible to the optical signal of some specified wavelength is detected.
In one embodiment, webmaster module, by controlling the opening of WB module, closing, controls whether light splitting port sends optical signal；WSS is according to the wavelength separated optical signal from input port；Webmaster module controls WSS and the optical signal after separation is sent to optical signal detecting submodule.Optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to webmaster module.
The whole light splitting ports having prestored all optical branching filters in whole system in network management system export the spectral signature information of optical signal, and spectral signature information includes: spectral signature information includes: the wavelength number of optical signal, wavelength value etc..
Based on spectral signature information, webmaster module judges that whether the optical signal after separating is identical with the optical signal that light splitting port sends, if it is identical, then judge that the optical fiber being arranged between light splitting port and input port is connected normally, if it is different, then judge that the optical fiber malunion being arranged between light splitting port and input port is normal.
Webmaster module can realize the poll to intrasystem whole optical fiber states, it is achieved automatically detects.Control whole WB modules successively to open, close, make the quantity being simultaneously in the WB module of open mode for one or more.
It is currently at the light splitting port sending optical signal owing to network management system can determine, for instance, what be currently at the light splitting port that sends optical signal is numbered 1,2,3 totally 3, and light splitting port 1,2,3 is belonging respectively to 3 different optical branching filters.3 spectral signature information that optical signal detecting submodule is sent by webmaster module, mate with the spectral signature of the light splitting port 1,2,3 of storage respectively, if the match is successful, it is determined that the optical fiber being arranged between light splitting port 1,2,3 and the input port of WSS is connected normally.
The quantity of the WB module that the control of webmaster module can be simultaneously in open mode is 1, and the quantity making the light splitting port of transmission optical signal is 1.When webmaster module receives the power information that optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of WSS sending optical signal is connected normally.It it is 1 only 1 owing to sending the quantity of the light splitting port of optical signal, as long as then optical signal detecting submodule receives optical signal, namely it is believed that optical fiber connects normal.
The internal detection method connecting optical fiber of ROADM in above-described embodiment, is scanned port connected state, carries out wavelength selection by the break-make and WSS controlling wavelength blocking-up module, it is achieved the logic connection of different port.The optical signal received by the detection of optical signal detecting module is from which optical branching filter.Control wavelength by webmaster module and block the break-make of module, control WSS and carry out wavelength selection, receive optical signal detecting module and report the information receiving optical signal, the optical signal received is compared with the signal specifying optical branching filter, confirm between different port, whether there is even fibre.
Fig. 2 is the schematic diagram of an embodiment of the internal detection system connecting optical fiber of the ROADM according to the present invention.As in figure 2 it is shown, the present invention provides the internal detection system connecting optical fiber of a kind of ROADM.Optical branching filter 1.. .... optical branching filter A, optical signal is carried out partial wave process.Wavelength blocks WB module 1.. ... .WB module N, and the light splitting port controlling optical branching filter sends the break-make of optical signal.Wavelength-selective switches WSS1.. .... wavelength-selective switches WSSM, the optical signal received is selected, and transmits optical signals into optical signal detecting submodule.
Optical signal detecting submodule 1.. .... optical signal detecting submodule M, the optical signal information of detection is reported to webmaster module.Webmaster module can arrange multiple, judges that whether the WSS optical signal received is identical with the optical signal that light splitting port sends based on optical signal information, if it is, determine that the optical fiber being arranged between light splitting port and input port is connected normally.
The optical signal information of optical signal detecting submodule detection includes: power information, spectral signature information.Spectral signature information includes: the wavelength number of optical signal, wavelength value etc..The road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by optical branching filter 1, and is sent to multiple light splitting ports of optical branching filter.Each light splitting port of optical branching filter 1 is connected by optical fiber with the input port of WSS, and arranges WB module at each light splitting port of optical branching filter 1.
As it is shown on figure 3, WB controls submodule 21 by controlling the opening of WB module, closing, control whether light splitting port sends optical signal.WSS control submodule 22 controls WSS and the optical signal after separation is sent to optical signal detecting submodule.Spectrum judges based on spectral signature information, submodule 23 judges that whether the optical signal after separating is identical with the optical signal that light splitting port sends.WSS is according to the wavelength separated optical signal from input port.Optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to webmaster module.
In one embodiment, WB control submodule 21 controls whole WB modules successively and opens, closes, and makes the quantity being simultaneously in the WB module of open mode for one or more.Spectrum judges that the spectral signature information that optical signal detecting submodule is sent by submodule 23 is mated with the spectral signature of the light splitting port of the currently transmitted optical signal of storage, if the match is successful, it is determined that the optical fiber being set between light splitting port and the input port of WSS of open mode is connected normally.
It is 1 that WB controls the quantity of the WB module that submodule 21 controls to be simultaneously in open mode, and the quantity making the light splitting port of transmission optical signal is 1.Power judges that submodule 24 is when receiving the power information that optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of WSS sending optical signal is connected normally.
As in figure 2 it is shown, webmaster module controls wavelength blocking-up module, the port S11 of optical branching filter 1 is in by state, controls WSS1 and select passing through from all of optical branching filter 1 or specified wavelength from what R11 port entered.Then optical signal detecting module will be able to receive that the optical signal of the port 1 from optical branching filter 1.
Network management system has prestored the optical branching filter 1.. in whole system .... the spectral signature information of whole light splitting ports output optical signal of optical branching filter A, spectral signature information includes: spectral signature information includes: the wavelength number of optical signal, wavelength value etc..Network management system determines the light splitting port 1 that light splitting port is optical branching filter 1 being currently at transmission optical signal, then inquire about the spectral signature information of the light splitting port 1 of optical branching filter 1 from data base.
The spectral signature information of 1 optical signal that optical signal detecting submodule is sent by webmaster module, mate with the spectral signature information of the light splitting port 1 of the optical branching filter 1 obtained, if the match is successful, it is determined that the optical fiber being arranged between light splitting port 1 and the input port of WSS1 of optical branching filter 1 is connected normally.If it fails, the optical fiber malunion between then determining the light splitting port 1 and the input port of WSS1 that are arranged on optical branching filter 1 is normal.Company's fibre status information between webmaster module record S11 and R11.
Or, only the light splitting port 1 of optical branching filter 1 is in transmission state, the quantity of the light splitting port sending optical signal is 1, then when webmaster module receives the power information that optical signal detecting submodule 1 sends, it is determined that the optical fiber being arranged between light splitting port 1 and the input port of WSS1 of optical branching filter 1 is connected normally.Namely owing to the quantity of the light splitting port of transmission optical signal is 1 only 1, as long as then optical signal detecting submodule receives optical signal, namely it is believed that optical fiber connects normal.
The like, webmaster module control wavelength blocking-up module and WSS complete the logic connection between different port, are detected the optical signal received by optical signal detecting module, confirm that whether there is actual fiber between these ports connects with this.The poll of connection status between webmaster module completing port, it is achieved the acquisition of all even fine information.
The present invention provides a kind of ROADM, including the internal detection system connecting optical fiber of ROADM as above.
The ROADM that above-described embodiment provides is internal connects the detection method of optical fiber, system and ROADM, carries out wavelength selection by the break-make and WSS controlling wavelength blocking-up module, it is achieved the logic connection of different port.The optical signal received is compared with the signal specifying optical branching filter, confirms whether there is even fibre between different port, fine a fairly large number of problem is connected for ROADM inside, it is possible to connect fine state inside ROADM for correct acquisition, can be used for the ROADM acceptance of work.
It is likely to be achieved in many ways the method and system of the present invention.Such as, can by software, hardware, firmware or software, hardware, firmware any combination realize the method and system of the present invention.For the said sequence of step of method merely to illustrate, the step of the method for the present invention is not limited to order described in detail above, unless specifically stated otherwise.Additionally, in certain embodiments, can being also record program in the recording medium by the invention process, these programs include the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covers the record medium of the storage program for performing the method according to the invention.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (15)
1. the internal detection method connecting optical fiber of restructural add-drop multiplexer ROADM, it is characterised in that including:
Control wavelength blocking-up WB module to open, make the optical signal sent from the light splitting port of optical branching filter enter the input port of wavelength-selective switches WSS；
Described optical signal is sent to optical signal detecting submodule by described WSS, and described optical signal detecting submodule reports the optical signal information of detection to webmaster module；
Based on described optical signal information, described webmaster module judges that whether the described WSS optical signal received is identical with the optical signal that described light splitting port sends, if it is, the optical fiber determined between described light splitting port and described input port is connected normally.
2. the method for claim 1, it is characterised in that:
The optical signal information of described optical signal detecting submodule detection includes: power information, spectral signature information.
3. method as claimed in claim 1 or 2, it is characterised in that:
The road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by described optical branching filter, and is sent to multiple light splitting ports of described optical branching filter；
Each light splitting port of described optical branching filter is connected by optical fiber with the input port of described WSS, and arranges described WB module at each light splitting port of described optical branching filter.
4. method as claimed in claim 3, it is characterised in that:
Webmaster module, by controlling the opening of described WB module, closing, controls whether described light splitting port sends optical signal；
Described WSS is according to the wavelength separated optical signal from described input port；
Described webmaster module controls described WSS and the optical signal after separation is sent to described optical signal detecting submodule；
Described optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to described webmaster module；
Based on spectral signature information, described webmaster module judges that whether the optical signal after described separation is identical with the optical signal that described light splitting port sends.
5. method as claimed in claim 4, it is characterised in that:
Described spectral signature information includes: the wavelength number of optical signal, wavelength value.
6. method as claimed in claim 5, it is characterised in that:
Described webmaster module controls whole described WB modules successively and opens, closes, and makes the quantity being simultaneously in the described WB module of open mode for one or more；
The spectral signature information that described optical signal detecting submodule is sent by described webmaster module is mated with the spectral signature of the light splitting port of the currently transmitted optical signal of storage, if the match is successful, it is determined that the optical fiber being set between the light splitting port of open mode and the input port of described WSS is connected normally.
7. method as claimed in claim 6, it is characterised in that:
The quantity of the described WB module that the control of described webmaster module is simultaneously in open mode is 1, and the quantity making the light splitting port of transmission optical signal is 1；
When described webmaster module receives the power information that described optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of described WSS sending optical signal is connected normally.
8. the internal detection system connecting optical fiber of restructural add-drop multiplexer ROADM, it is characterised in that including:
Optical branching filter, for carrying out partial wave process to optical signal；
Wavelength blocks WB module, and the light splitting port for controlling described optical branching filter sends the break-make of optical signal；
Wavelength-selective switches WSS, for the optical signal received is selected, and is sent to optical signal detecting submodule by described optical signal；
Described optical signal detecting submodule, for reporting the optical signal information of detection to webmaster module；
Based on described optical signal information, webmaster module, for judging that whether the described WSS optical signal received is identical with the optical signal that described light splitting port sends, if it is, the optical fiber determined between described light splitting port and described input port is connected normally.
9. system as claimed in claim 8, it is characterised in that:
The optical signal information of described optical signal detecting submodule detection includes: power information, spectral signature information.
10. system as claimed in claim 8 or 9, it is characterised in that:
The road optical signal that closes received is divided into the optical signal that multichannel wavelength is identical by described optical branching filter, and is sent to multiple light splitting ports of described optical branching filter；
Each light splitting port of described optical branching filter is connected by optical fiber with the input port of described WSS, and arranges described WB module at each light splitting port of described optical branching filter.
11. system as claimed in claim 10, it is characterised in that:
Described webmaster module, including:
WB controls submodule, for by controlling the opening of described WB module, closing, controlling whether described light splitting port sends optical signal；
WSS controls submodule, for controlling described WSS, the optical signal after separation is sent to described optical signal detecting submodule；
Spectrum judges submodule, for judging that whether the optical signal after described separation is identical with the optical signal that described light splitting port sends based on spectral signature information；
Wherein, described WSS is according to the wavelength separated optical signal from described input port；Described optical signal detecting submodule detect separation after the spectral signature information of optical signal and be sent to described webmaster module.
12. system as claimed in claim 11, it is characterised in that:
Described spectral signature information includes: the wavelength number of optical signal, wavelength value.
13. system as claimed in claim 12, it is characterised in that:
Described WB controls submodule, opens for controlling whole described WB modules successively, closes, and makes the quantity being simultaneously in the described WB module of open mode for one or more；
Spectrum judges submodule, spectral signature information for being sent by described optical signal detecting submodule is mated with the spectral signature of the light splitting port of the currently transmitted optical signal of storage, if the match is successful, it is determined that the optical fiber being set between the light splitting port of open mode and the input port of described WSS is connected normally.
14. system as claimed in claim 13, it is characterised in that:
Described WB controls submodule, is 1 for controlling to be simultaneously in the quantity of the described WB module of open mode, and the quantity making the light splitting port of transmission optical signal is 1；
Described webmaster module, also includes:
Power judges submodule, for when receiving the power information that described optical signal detecting submodule sends, it is determined that the optical fiber being arranged between this light splitting port and input port of described WSS sending optical signal is connected normally.
15. a ROADM, it is characterised in that:
Including the internal detection system connecting optical fiber of the ROADM as described in claim 8 to 14 any one.
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| CN114401465A (en) * | 2022-01-17 | 2022-04-26 | 青岛光盈光电技术有限责任公司 | Method for detecting ROADM internal wiring based on WSS |
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