CN214125291U - Performance monitoring device and system of optical fiber network - Google Patents
Performance monitoring device and system of optical fiber network Download PDFInfo
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- CN214125291U CN214125291U CN202022418833.3U CN202022418833U CN214125291U CN 214125291 U CN214125291 U CN 214125291U CN 202022418833 U CN202022418833 U CN 202022418833U CN 214125291 U CN214125291 U CN 214125291U
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Abstract
The utility model provides a fiber network's performance monitoring device and system, the device includes: a control module; the optical power monitoring module is in communication connection with the control module and is used for detecting the optical power of each channel of the optical fiber, determining the channel to be detected with the optical power lower than a preset threshold value and sending warning information to the control module; the multi-channel optical switch module is connected with the control module and used for connecting the optical time domain reflectometer module with the channel to be detected according to the alarm switching instruction; the optical time domain reflectometer module is connected with the multi-channel optical switch module and used for detecting optical fiber loss information of the channel to be detected. The utility model provides a pair of optical network's performance monitoring device has realized the real time monitoring of multichannel optic fibre through set up optical power monitoring module at fiber channel to combine the polling of multichannel photoswitch, can realize the real-time detection to the multichannel when low-cost.
Description
Technical Field
The utility model relates to a communication transmission technical field especially relates to a fiber network's performance monitoring device and system.
Background
With the application of emerging technologies such as 5G and big data, the amount of data to be transmitted increases exponentially, so that optical communication becomes inevitable, but the requirements on the safety of the optical cable and the quality of the optical fiber become higher and higher, so that the real-time performance monitoring of the optical fiber becomes important.
At present, optical fiber performance monitoring is generally realized by adopting an optical time domain reflectometer. The optical time domain reflectometer is a device for monitoring the performance of an optical fiber and positioning faults through reflected light in the optical fiber, namely: and adding an optical signal into an idle optical fiber, and monitoring the performance of the optical fiber by detecting the condition of reflected light. In addition, in a partial wavelength division system, an optical time domain reflection module is integrated and used for carrying out online performance monitoring on optical fibers used by the system.
For the monitoring of multiple channels, at present, the method mainly includes two modes, one is to adopt an Optical Time-Domain Reflectometer (OTDR) real-Time online monitoring technology, that is, to realize the real-Time detection of multiple channels by using multiple OTDR modules; the other is to adopt the optical switch to realize the multi-channel optical fiber monitoring.
In the prior art, a common optical time domain reflectometer can only detect a single optical fiber; the detection device and the control device are integrated, the cost is high, and the time of the detection light path is different according to the length of the detected optical fiber, generally in the order of minutes. The monitoring device for realizing the multi-channel optical fiber network by adopting the multi-channel OTDR real-time online monitoring technology has the problems of high cost and incapability of keeping real-time monitoring, and the polling mode also has the problem of incapability of monitoring the performance of the optical fiber network in real time by adopting an optical switch switching mode when the OTDR carries out multi-channel detection.
How to design an optical fiber monitoring device can realize the real-time detection of optical fiber multi-channel while controlling the cost, becomes the problem that needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a pair of optical network's performance monitoring device for there is the problem that the cost is expensive and can't guarantee real-time detection in solving among the prior art when monitoring the optic fibre route, can be in control cost, realize the real-time detection to optic fibre multi-channel.
In a first aspect, an embodiment of the present invention provides a performance monitoring apparatus for an optical fiber network, including:
a control module;
the optical power monitoring module is in communication connection with the control module and is used for: detecting the optical power of each channel of the optical fiber network in real time, determining the channel to be detected with the optical power lower than a preset threshold value, and sending alarm information to the control module;
the multi-channel optical switch module is in communication connection with the control module and is used for connecting the optical time domain reflectometer module with the to-be-detected channel according to an alarm switching instruction sent by the control module;
the optical time domain reflectometer module is connected with the multi-channel optical switch module and is used for detecting optical fiber loss information of the channel to be detected;
and the control module determines the alarm switching instruction according to the alarm information sent by the optical power monitoring module.
Further, the control module includes at least:
the ARM processor is used for controlling the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module according to an input signal;
the back plate connector is connected with the ARM processor and is used as an interface of the input signal, the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
and the communication module is connected with the ARM processor and is provided with a kilomega network port.
Further, the optical power monitoring module at least comprises:
the optical power detection circuit submodule is connected with each channel and is used for detecting the optical power;
the microprocessor is connected with the optical power detection circuit submodule and used for determining the path to be detected according to the optical power and generating alarm information;
and the sending submodule is connected with the microprocessor and used for sending the alarm information to the control module.
Further, the number of the optical power monitoring modules is multiple.
Furthermore, the control module, the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module are all pluggable separate board cards.
Furthermore, the number of the multi-channel optical switch modules is multiple;
wherein, each multichannel photoswitch module passes through multistage cascade structure and connects.
Furthermore, the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module are connected with the control module through the backboard connector.
Further, fiber network's performance monitoring device, still include a frame, control module the optical power monitoring module multichannel optical switch module and the optical time domain reflectometer module sets up in the frame, the optical power monitoring module multichannel optical switch module and the optical time domain reflectometer module passes through the backplate connector with control module connects.
Further, the system also comprises a plurality of machine frames;
each machine frame comprises the control module and at least one of the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
the plurality of machine frames integrally comprise the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
the control modules are connected through the communication module.
Further, the embodiment of the present invention provides a performance monitoring system of an optical fiber network, including: one or more performance monitoring devices of the optical fiber network and a network management platform;
and the network management platform is in communication connection with the control modules in the machine frames.
The embodiment of the utility model provides a performance monitoring device of optical fiber network, through setting up the optical power monitoring module and monitoring the optical power in the optical fiber multi-channel in real time, realize the real-time detection to the optical fiber channel; when the optical fiber path to be detected with the optical power lower than the preset threshold value is detected, alarm information is generated and sent to the control module; the control template generates an alarm switching instruction for indicating the multi-channel optical switch module according to the alarm information; the multi-channel optical switch module connects the optical time domain reflectometer module with the optical fiber channel to be detected according to the alarm switching instruction, so as to realize real-time performance detection of the optical fiber multi-channel; traditional optical time domain reflectometer can only survey single pass optic fibre, when detecting optic fibre multichannel optical fiber performance, adopts the mode that every passageway corresponds an optical time domain reflectometer, and detection device and controlling means integration, and the cost is expensive, the embodiment of the utility model provides a through the performance that sets up the mode real-time detection optic fibre multi-channel that every optical time domain reflectometer module corresponds the optic fibre multi-channel, the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a performance monitoring apparatus for an optical fiber network according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control template in the performance monitoring apparatus for an optical fiber network provided by the present invention;
fig. 3 is a schematic structural diagram of a multi-channel optical switch module in the performance monitoring apparatus for an optical fiber network provided by the present invention;
fig. 4 is a schematic structural diagram of a far-end fresnel end-face reflection module provided by the present invention;
fig. 5 is a schematic structural diagram of the far-end reflection module provided by the present invention;
fig. 6 is a schematic structural diagram of a far-end optical fiber loopback module provided by the present invention;
fig. 7 is a schematic structural diagram of the optical power detection principle of the external light source at the opposite end provided by the present invention;
fig. 8 is another schematic structural diagram of a performance monitoring apparatus for an optical fiber network according to the present invention;
fig. 9 is another schematic structural diagram of a performance monitoring apparatus for an optical fiber network according to the present invention;
fig. 10 is a schematic structural diagram of a performance monitoring system of an optical fiber network according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a performance monitoring apparatus for an optical fiber network according to an embodiment of the present invention, as shown in fig. 1, the apparatus includes:
a control module 10;
an optical power monitoring module 11, in communication with the control module 10, configured to: detecting the optical power of each path of the optical fiber network in real time, determining the path to be detected with the optical power lower than a preset threshold value, and sending alarm information to the control module 10;
the multi-channel optical switch module 12 is in communication connection with the control module 10 and is used for connecting the optical time domain reflectometer module 13 with a channel to be detected according to an alarm switching instruction sent by the control module 10;
the optical time domain reflectometer module 13 is connected to the multi-channel optical switch module 12, and is configured to detect optical fiber loss information of a channel to be detected.
Specifically, the device mainly includes a control module 10, an optical power monitoring module 11, a multi-channel optical switch module 12 and an optical time domain reflectometer module 13, where the control module 10 determines an alarm switching instruction according to alarm information sent by the optical power monitoring module 11.
Wherein, optical power monitoring module 11 can utilize the local terminal to have the light source to monitor each route of optical fiber network certainly, also can utilize the external light source of opposite terminal to monitor each route of optical fiber network, the embodiment of the utility model provides an in, what kind of mode of specifically adopting realizes monitoring each route optical power of optic fibre, depends on actual site environment's deployment.
The multi-channel optical switch module 12 may be a multi-channel optical switch or an optical switch assembly. The multi-channel optical switch module 12 is provided with a plurality of identical or different optical switch assemblies according to the number of optical fiber channels.
The optical time domain reflectometer module 13 is a general standard optical time domain reflectometer, which may be an optical time domain reflectometer for monitoring optical fiber loss information of an optical fiber path, or an optical time domain reflectometer for monitoring optical fiber fault point positioning information of an optical fiber path. It should be noted that, in the embodiment of the present invention, the optical time domain reflectometer with different performance is selected according to actual requirements. It should be noted that the optical time domain reflectometer can operate on an idle optical fiber, and can also operate on a service optical fiber to perform measurement after the wavelength division multiplexing.
The embodiment of the utility model provides a performance monitoring device of optical fiber network, through setting up the optical power monitoring module 11 and monitoring the optical power in the optical fiber multi-channel in real time, realize the real-time detection to the optical fiber channel; when detecting the optical fiber path to be detected with the optical power lower than the preset threshold, generating alarm information and sending the alarm information to the control module 10; the control template 10 generates an alarm switching instruction for indicating the multi-channel optical switch module 12 according to the alarm information; the multi-channel optical switch module 12 connects the optical time domain reflectometer module 13 with the optical fiber channel to be detected according to the alarm switching instruction, so as to realize the real-time performance detection of the optical fiber multi-channel; traditional optical time domain reflectometer can only survey single pass optic fibre, when detecting optic fibre multichannel optical fiber performance, adopts the mode that every passageway corresponds an optical time domain reflectometer, and detection device and controlling means integration, and the cost is expensive, the embodiment of the utility model provides a through the performance that sets up the mode real-time detection optic fibre multichannel that every optical time domain reflectometer module 13 corresponds the optic fibre multichannel, the cost is reduced.
Further, in one embodiment, the control module 10, at least includes:
the ARM processor is used for controlling the optical power monitoring module 11, the multi-channel optical switch module 12 and the optical time domain reflectometer module 13 according to the input signal;
the backboard connector is connected with the ARM processor and is used as an interface of the input signal and optical power monitoring module 11, the multi-channel optical switch module 12 and the optical time domain reflectometer module 13;
and the communication module is connected with the ARM processor and is provided with a kilomega network port.
Further, in one embodiment, the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13 are connected to the control module 10 through backplane connectors.
Specifically, fig. 2 is the utility model provides a control module's schematic structure diagram among fiber network's performance monitoring device, as shown in fig. 2, control module 10 is unified control management board architecture design, divide into ARM treater, communication module and backplate connector for connect backplate power and signal. It should be noted that the ARM processor usually selects an ARM chip with 36 × 4 pins, so as to facilitate accessing various input signals and controlling the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13. The ARM processor comprises a 12V power input line, a power output line, a GND ground line, a data input line, a data output line, a clock line, chip selection lines of all board cards, a butt joint line of a board card identification input line and a communication module, an alarm line, a reset line and the like; the communication module is provided with a communication interface, the communication interface is at least provided with double gigabit Ethernet switching ports, and under the condition of protection, at most 4 gigabit Ethernet switching ports are arranged, so that the Ethernet switch has the function of an Ethernet switch.
The embodiment of the utility model provides a pair of optical network's performance monitoring device, among the prior art, because the structure of detection device and controlling means integration, the performance monitoring device's that leads to optical network cost is expensive, the embodiment of the utility model provides a through set up the backplate connector at control module 10 for control module 10 and detection module (optical power monitoring module 11, multi-channel optical switch module 12 and optical time domain reflectometer module 13) alternate segregation have reduced optical network's performance monitoring device's cost.
Further, on the basis of the above embodiment, the optical time domain reflectometer module 13 is also used for sending the optical fiber loss information to the control module 10.
Specifically, the optical time domain reflectometer module 13 is in communication connection with the control module 10 through a communication interface in the control module 10 or a backplane bus or a serial port, and sends the detected optical fiber performance parameter of the optical fiber channel to the control module 10.
For example, the optical time domain reflectometer module 13 selects an optical time domain reflectometer for measuring optical fiber loss information in an optical fiber path, connects with the control module 10 through a communication interface or a backplane bus or a serial port, and sends measured optical fiber loss information to the control module 10.
The embodiment of the utility model provides a pair of optical network's performance monitoring device has realized waiting to detect the real time monitoring of the optical fiber performance of passageway in the optical network through optical time domain reflectometer module 13 to through giving control module 10 with optical fiber loss information transmission, be convenient for follow-up management to optical network performance monitoring device.
Further, in an embodiment, the optical power monitoring module 11 may specifically include:
the optical power detection circuit sub-module is connected with each channel of the optical fiber network and is used for detecting optical power;
the microprocessor is connected with the optical power detection circuit submodule and used for determining a path to be detected according to the optical power and generating alarm information;
and the sending submodule is connected with the microprocessor and is used for sending the alarm information to the control module 10.
In particular, the microprocessor may employ a SPCE061A microprocessor, the optical power detection sub-circuit module may employ a logarithmic amplifier such as L0G2112, and the transmit sub-module may employ a 74ABT126 module. It should be noted that, the optical power monitoring module 11 provided in the embodiment of the present invention may further include: the optical power detection device comprises a storage submodule, a receiving submodule and the like, wherein the storage submodule can adopt an FM24CL04 chip and is used for storing detected optical power of each channel in the optical fiber network, and the receiving submodule can adopt an MC3486 module.
The embodiment of the utility model provides a pair of optical fiber network's performance monitoring device, through each submodule piece in the optical power monitoring module 11, realize the real-time detection to the optical power of each route in the optical fiber network, will detect that optical power is less than treating of predetermineeing the threshold value and wait to detect when treating the optical fiber route through microprocessor, produce alarm information, and will report an emergency and ask for help or increased vigilance information and send control module 10, be convenient for control module 10 produces the switching instruction of reporting an emergency and ask for help or increased vigilance that is used for instructing multichannel optical switch module 12 according to alarm information, switch instruction with optical time domain reflectometer module 13 and wait to detect the optical fiber route and be connected for follow-up multichannel optical switch module 12 according to reporting an emergency and asking for help or increased vigilance, the realization that detects the real-time performance of the optical fiber multichannel provides possibility.
Further, in one embodiment, the number of the optical power monitoring modules 11 is plural.
Specifically, in an actual optical fiber network, the number of the paths in the optical fiber network is large, so in an actual scene, the number of the optical power monitoring modules 11 is correspondingly set according to the number of the paths in the optical fiber network, so as to ensure real-time monitoring of the optical power of each path in the optical fiber network.
The embodiment of the utility model provides a pair of optical fiber network's performance monitoring device through the optical power monitoring module 11 that sets up the correspondence in each route of optical fiber network, acquires the optical power of each route in real time to this has realized the real time monitoring of multi-channel optical fiber optical power.
Further, the control module 10, the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13 are all pluggable separate boards.
Specifically, when the optical network of control is few in the route, for example, when the route quantity is less than or equal to 16 ways in the optical network, the embodiment of the present invention provides a monitoring device, including control module 10, optical power monitoring module 11, multi-channel optical switch module 12 and optical time domain reflectometer module 13, can adopt the form of separating the integrated circuit board, can separate each other and connect together or integrate together and adopt the integrated design through the pluggable card formula design.
The embodiment of the utility model provides a performance monitoring device of optical fiber network, through setting up control module 10, optical power monitoring module 11, multichannel photoswitch module 12 and optical time domain reflectometer module 13 as the separation integrated circuit board, pluggable interconnect is convenient for demolish and maintain each module; and the modules are integrated together by adopting an integrated design, so that the management of the performance monitoring device is facilitated.
Further, in one embodiment, the number of the multi-channel optical switch modules 12 is plural;
wherein, each multi-channel optical switch module 12 is connected by a multi-stage cascade structure.
In particular, typically, a single multi-channel optical switch is employed for optical fiber channels with a number of 16 channels; when the number of the optical fiber paths exceeds 16, a multi-path optical switch multi-stage cascade structure is adopted to realize the free switching of the optical fiber paths from 1 to N M paths, wherein N represents the number of optical fiber branches, and M is the number of paths of each branch.
For example, when the number of the optical fiber channels is 96, as shown in fig. 3, the present invention provides a schematic structural diagram of a multi-channel optical switch module in a performance monitoring apparatus for an optical fiber network, in which 1 × 3 multi-channel optical switches and 3 1 × 32 multi-channel optical switches are connected in series. It should be noted that the multi-channel optical switch or the optical switch module can operate on an idle optical fiber, and can also operate on a service optical fiber through multiplexing/demultiplexing.
The embodiment of the utility model provides a pair of optical network's performance monitoring device sets up a plurality of multi-channel light through the quantity according to optical fiber passageway in the actual scene and opens light to through the multistage cascade connection of a plurality of multi-channel light switch, realized the photoswitch of super multi-fiber passageway and select a route, and then realize the optical fiber performance real-time supervision to super multi-channel.
Further, on the basis of the above embodiment, the optical power monitoring module 11 may detect the optical power in real time through any one of the following modules:
the system comprises a far-end Fresnel end face reflection module, a far-end optical fiber loopback module, a far-end service signal light splitting module and a far-end matching light source module.
Specifically, the optical power monitoring module 11 may detect the optical power in real time through a local light source, such as a far-end fresnel end face reflection module, a far-end reflection module, or a far-end optical fiber loopback module.
On the basis of the above-mentioned embodiment, as shown in fig. 4, for the utility model provides a structural schematic diagram of far-end fresnel end face reflection module, include: the light source, the photodiode PD, the coupler and the light joint are integrated on the same circuit board, and the power module provides power for the circuit board. The detection principle is as follows: light emitted by the light source passes through the coupler and then is injected into the single-fiber optical fiber, and backward Rayleigh scattered light and reflected light (Fresnel reflection) of the end face in the transmission process of the light in the single-fiber optical fiber are transmitted back to the photodiode at the transmitting end for detection. If the interruption occurs, the received optical power may suddenly drop, and an alarm message may be sent to the control module 10 when the preset optical power is lower than the preset threshold.
As shown in fig. 5, for the utility model provides a far-end adds reflection module's schematic structure diagram, include: the light source, the photodiode PD, the coupler and the light joint are integrated on the same circuit board, the total reflection terminal is connected with the total reflection module, and the power supply module provides power for the circuit board. The detection principle is as follows: light emitted by the light source passes through the coupler and then is injected into the single-fiber optical fiber, the light is connected with the total reflection module through the total reflection terminal in the transmission of the light in the single-fiber optical fiber, and finally the light is transmitted back to the photodiode at the transmitting end for detection. If the interruption occurs, the received optical power may suddenly drop, and an alarm message may be sent to the control module 10 when the preset optical power is lower than the preset threshold.
As shown in fig. 6, for the utility model provides a structural schematic diagram of distal end optic fibre loopback module, include: the optical fiber coupling device comprises a light source, a photodiode PD, a power supply module, a coupler, an optical connector and a loop optical cable (optical fiber), wherein the light source, the photodiode PD, the coupler and the optical connector are integrated on the same circuit board, and the power supply module provides power for the circuit board. The detection principle is as follows: light emitted by the light source is injected into the single fiber after passing through the coupler, is transmitted in the loop-back optical fiber through the light, and is finally transmitted back to the photodiode at the emitting end for detection. If the interruption occurs, the received optical power may suddenly drop, and an alarm message may be sent to the control module 10 when the preset optical power is lower than the preset threshold.
The optical power monitoring module 11 may also detect the optical power in real time through an external light source at the opposite end, such as a far-end service signal splitting module or a far-end matching light source module.
As shown in fig. 7, for the utility model provides a structural schematic diagram of external light source luminous power detection principle of opposite terminal, include: the optical fiber connector, the photodiode PD, the optical splitter, a power supply module and a single fiber optical cable (optical fiber), wherein the optical fiber connector, the photodiode PD and the optical splitter are integrated on the same circuit board, and the power supply module provides power for the circuit board. The detection principle is as follows: the detection is realized by signal light at the opposite end or light emitted by a matched light source, and the on-off detection of the optical cable is carried out by adopting an optical signal at the far end of the optical fiber. If the interruption occurs, the received optical power may suddenly drop, and an alarm message may be sent to the control module 10 when the preset optical power is lower than the preset threshold.
On the basis of the above embodiments, it should be noted that the optical power monitoring module 11 can simultaneously monitor the optical fiber of the 24 channel or the 48 channel, and the optical power monitoring module 11 may operate in an idle optical fiber or a service optical fiber through a combined/split wavelength.
The embodiment of the utility model provides a pair of optical network's performance monitoring device, it adds reflection module or distal end optic fibre loopback module or distal end service signal beam split module or distal end matching light source module to realize the real-time detection of light power to provide distal end fresnel end face reflection module or distal end for the control personnel can specifically realize the light power detection mode according to actual scene design as required, and then multiple light power detection mode has stronger suitability, can satisfy the real-time detection of the optic fibre passageway light power in different areas.
Further, in an embodiment, the performance monitoring apparatus for an optical fiber network further includes a machine frame, the control module 10, the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13 are disposed in the machine frame, and the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13 are connected to the control module 10 through a backplane connector.
Specifically, as shown in fig. 8, for the utility model provides a performance monitoring device for an optical fiber network, another schematic structural diagram: the control module 10, the optical power monitoring module 11, the multi-channel optical switch module 12 and the optical time domain reflectometer module 13 are arranged in the same machine frame. It should be noted that the embodiment of the utility model provides a frame is provided with the draw-in groove, and control module 10, optical power monitoring module 11, multi-channel optical switch module 12 and optical time domain reflectometer module 13 all can adopt for the pluggable draw-in groove that inserts the frame of separation integrated circuit board, and optical power monitoring module 11, multi-channel optical switch module 12 and optical time domain reflectometer module 13 pass through bus or backplate bus or serial ports and control module 10 communication connection.
The embodiment of the utility model provides a pair of optical fiber network's performance monitoring device, through with control module 10, optical power monitoring module 11, multichannel optical switch module 12 and optical time domain reflectometer module 13 set up in same frame, real-time high integrated level's optical power monitoring module 11 has been realized, multichannel optical switch module 12, optical time domain reflectometer module and control module's linkage, the low-cost real-time performance control to the light path takes place for the trouble of having realized arbitrary multichannel, will originally because of the cost reason can only expand whole metropolitan area optical network at the multichannel performance monitoring system that the backbone network was disposed, really realize the efficient performance management and the control of low-cost optic fibre "dumb" resource.
Further, in one embodiment, the performance monitoring apparatus of the fiber optic network: the machine frame also comprises a plurality of machine frames;
each machine frame comprises a control module 10, and at least one of an optical power monitoring module 11, a multi-channel optical switch module 12 and an optical time domain reflectometer module 13;
the plurality of machine frames integrally comprise an optical power monitoring module 11, a multi-channel optical switch module 12 and an optical time domain reflectometer module 13;
wherein, the control modules 10 are connected through a communication module.
Specifically, as shown in fig. 9, for the utility model provides an another schematic structure of fiber network's performance monitoring device sets up control module 10, optical power monitoring module 11, multichannel optical switch module 12 and optical time domain reflectometer module 13 at two or more frames, all is provided with control module 10 in each frame, can connect through external network cable between each frame. The communication module gigabit network ports between the control modules 10 may be connected in series for use, and one network port of any one control module 10 may be connected to the outside metropolitan area network, and the other control modules 10 may be connected in series to the control module 10 connected to the outside metropolitan area network to realize the bidirectional signal transmission between all the control modules 10 and the outside metropolitan area network.
The embodiment of the utility model provides a pair of optical fiber network's performance monitoring device, through with control module 10, optical power monitoring module 11, multi-channel light switch module 12 and optical time domain reflectometer module 13 set up in a plurality of frames, a net gape through an arbitrary piece of control module 10 and metropolitan area optical network are connected, save the network interface of the DCN (data communication network) of connecting control module 10 in each frame, just also only need a DCN network interface just can realize the extension of a plurality of frames, make the occasion of monitoring route number excess at the optical cable, realize that single monitoring device website can reach the control of thousands of optical fiber routes at most.
Further, the embodiment of the present invention further provides a performance monitoring system of an optical fiber network, which includes a plurality of performance monitoring devices of the optical fiber network as described above, and a network management platform;
the network management platform is in communication connection with the control modules in the machine frames.
Specifically, as shown in fig. 10, the schematic structural diagram of the performance monitoring system of the optical fiber network provided by the present invention includes: a network management platform such as a comprehensive network management or a cloud network management, and a plurality of optical fiber network monitoring devices; the control module 10, the optical power monitoring module 11, the multi-channel optical switch module 12 and the optical time domain reflectometer module 13 of each optical fiber network monitoring device are arranged in the same machine frame. It should be noted that, in the embodiment of the present invention, the network management platform is in communication connection with each optical fiber network monitoring device through the northbound interface.
Alternatively, the control module 10, the optical power monitoring module 11, the multi-channel optical switch module 12, and the optical time domain reflectometer module 13 of the optical fiber network monitoring apparatus are disposed in a plurality of machine frames as described in the above embodiments. It should be noted that, in the embodiment of the present invention, the network management platform is in communication connection with each optical fiber network monitoring device through the northbound interface.
The embodiment of the utility model provides a pair of fiber network's performance monitoring device, through being connected monitoring device and network management platform, can be with the optical fiber loss information propelling movement to network management platform that control module 10 among the monitoring device received, realized through the gateway platform to monitoring device's control and to receiving optical fiber loss information data centralized processing, really realize the efficient performance management and the control to optic fibre "dumb" resource.
Further, on the basis of the above embodiment, the network management platform includes:
the server is used for receiving the optical fiber loss information and sending an access permission instruction to the network management platform;
and the terminal accesses the network management platform according to the access permission instruction.
The server includes:
the database module is used for storing the optical fiber loss information and classifying the optical fiber loss information according to the optical fiber loss information in the performance monitoring devices so as to obtain the optical fiber loss information distribution results of the performance monitoring devices in different regions;
the central processing module is used for controlling the control modules in the machine frames;
and the display module is used for displaying the optical fiber loss information and the optical fiber loss information distribution result.
For example, when the terminal a first sends terminal verification information to the network management platform, the network management platform sends the received terminal verification information to the server, and after the server determines that the terminal a is allowed to access the network management platform, the server sends an access allowing instruction to the network management platform, for example, the terminal a is allowed to access the network management platform.
It should be noted that, if the server determines that the received terminal verification information of the terminal a is consistent with the terminal verification information of the terminal a pre-stored in the server, the server sends an access permission instruction to the network management platform. It should be noted that, the embodiment of the present invention may select the end user identifier and the IP address of the end user device as the terminal verification information.
After the terminal A accesses the network management platform, the central processing module in the server of the network management platform is controlled to realize the management of the control module 10 accessing the network management platform and realize the real-time detection of the optical fiber performance; the optical fiber performance data obtained by detection is stored through a database module, and the received optical fiber loss information is classified according to the specific positions of a plurality of performance monitoring devices in the metropolitan area optical network so as to determine the optical fiber loss information distribution results of the performance monitoring devices in different regions; and finally, displaying the optical fiber loss information and the optical fiber loss information distribution result through a display module.
It should be noted that the terminal a may include a mobile phone and a common network device (such as a computer, a detection device, etc.); the method comprises the steps that a mobile phone terminal user can log in a network management platform through an APP to operate, the APP needs to be matched with the terminal user management authority of the network management platform, if the APP passes the matching, the network management platform can be controlled through the APP, and the measured optical fiber performance detection data are displayed through the APP. WeChat applet development can also be used to adapt to android phones of different models and avoid APP authentication of apple phones.
The embodiment of the utility model provides a pair of optical network's performance monitoring device, with optical time domain reflectometer's data propelling movement to long-range high in the clouds server, make things convenient for remote control and centralized processing, through the network management platform, network monitoring device, unified data to the control are handled the analysis, have solved traditional OTDR instrument testing result and can only visit on equipment, or in manual derivation other terminal systems, the lower problem of efficiency. Meanwhile, the network management platform has big data processing and correlation analysis capabilities, can realize big data management and perception of the performance parameters of the optical fibers in the whole network, and can make prejudgment on the degradation of the optical fiber cables in advance, reduce the degradation or interruption risk of the service in the future and save a great amount of social and economic benefits.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An apparatus for monitoring performance of an optical fiber network, comprising:
a control module;
the optical power monitoring module is in communication connection with the control module and is used for: detecting the optical power of each channel of the optical fiber network in real time, determining the channel to be detected with the optical power lower than a preset threshold value, and sending alarm information to the control module;
the multi-channel optical switch module is in communication connection with the control module and is used for connecting the optical time domain reflectometer module with the to-be-detected channel according to an alarm switching instruction sent by the control module;
and the optical time domain reflectometer module is connected with the multi-channel optical switch module and is used for detecting the optical fiber loss information of the channel to be detected.
2. The apparatus for monitoring the performance of an optical fiber network according to claim 1, wherein the control module comprises at least:
the ARM processor is used for controlling the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module according to an input signal;
the back plate connector is connected with the ARM processor and is used as an interface of the input signal, the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
and the communication module is connected with the ARM processor and is provided with a kilomega network port.
3. The apparatus of claim 2, wherein the optical power monitoring module comprises at least:
the optical power detection circuit submodule is connected with each channel and is used for detecting the optical power;
the microprocessor is connected with the optical power detection circuit submodule and used for determining the path to be detected according to the optical power and generating alarm information;
and the sending submodule is connected with the microprocessor and used for sending the alarm information to the control module.
4. The apparatus of claim 3, wherein the optical power monitoring module is plural in number.
5. The apparatus for monitoring performance of an optical fiber network according to claim 4,
the control module, the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module are all pluggable separate board cards.
6. The apparatus for monitoring performance of an optical fiber network according to claim 5, wherein the multi-channel optical switch module is plural in number;
wherein, each multichannel photoswitch module passes through multistage cascade structure and connects.
7. The apparatus of any of claims 2 to 6, wherein the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometry module are connected to the control module via the backplane connector.
8. The apparatus of any of claims 2 to 6, further comprising a frame, wherein the control module, the optical power monitoring module, the multi-channel optical switch module, and the optical time domain reflectometer module are disposed in the frame, and the optical power monitoring module, the multi-channel optical switch module, and the optical time domain reflectometer module are connected to the control module via the backplane connector.
9. The apparatus for monitoring performance of an optical fiber network of any of claims 2 to 6, further comprising a plurality of subracks;
each machine frame comprises the control module and at least one of the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
the plurality of machine frames integrally comprise the optical power monitoring module, the multi-channel optical switch module and the optical time domain reflectometer module;
the control modules are connected through the communication module.
10. A system for monitoring the performance of an optical fiber network, comprising one or more devices for monitoring the performance of an optical fiber network according to claim 8 or 9, and a network management platform;
and the network management platform is in communication connection with the control modules in the machine frames.
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| WO2023071009A1 (en) * | 2021-10-25 | 2023-05-04 | 中兴通讯股份有限公司 | Optical switch apparatus and optical module test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023071009A1 (en) * | 2021-10-25 | 2023-05-04 | 中兴通讯股份有限公司 | Optical switch apparatus and optical module test system |
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