WO2016070585A1

WO2016070585A1 - Optical link fault locating method, device, processing component and storage medium

Info

Publication number: WO2016070585A1
Application number: PCT/CN2015/077189
Authority: WO
Inventors: 张笃飞
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-11-05
Filing date: 2015-04-22
Publication date: 2016-05-12
Also published as: CN105610490B; CN105610490A

Abstract

Disclosed is an optical link fault locating method. The method comprises: when determining that an optical link is in an abnormal state, sending a parameter change request message so that a peer device changes first parameter information corresponding to the peer device according to the parameter change request message; receiving a parameter change response message corresponding to the parameter change request message; and detecting second parameter information corresponding to the optical link according to the parameter change response message, and determining the influence of the changed first parameter information on the optical link. Also disclosed are a device, a processing component and a storage medium.

Description

Optical link fault location method, device, processing device and storage medium

Technical field

The present invention relates to optical fiber transmission technologies, and in particular, to an optical link fault location method, device, processing device, and storage medium.

Background technique

In order to increase the transmission distance between the local device and the remote communication device, an optical signal is used as a communication medium, that is, an optical fiber is used to transmit an optical signal to complete the transmission. Generally, the transmission distance of the optical fiber can reach 40 km or more, and therefore, at a cost. In the field of signal communication or other long-distance information exchange between devices and remote communication devices, optical fibers are often used as signal transmission media.

In the field of communication, an optical module and an optical fiber are combined as an optical link for communication between a local device and a remote communication device; if the optical link fails, the local device and the remote communication device cannot communicate normally; In the technology, the optical module is usually replaced by the optical module. However, because the local device and the remote communication device are far apart, if the optical module is not sure, replace the optical module to solve the problem. The optical link failure problem is time-consuming and costly, and the existing solution to the optical link failure may not solve the optical link failure problem.

Summary of the invention

In order to solve the existing technical problems, the embodiments of the present invention provide an optical link fault location method, device, processing device, and storage medium, which can remotely and batchly locate optical link faults, shorten the fault location period, and save labor costs.

The technical solution of the embodiment of the present invention is implemented as follows:

The embodiment of the invention provides a method for locating an optical link fault, and the method includes:

When it is determined that the optical link is in an abnormal state, the change parameter request message is sent, so that the peer device changes the first parameter information corresponding to the peer device according to the change parameter request message;

Receiving a change parameter response message corresponding to the change parameter request message;

And detecting, according to the changed parameter response message, the second parameter information corresponding to the optical link, and determining the impact of the changed first parameter information on the optical link.

In the foregoing solution, the determining that the optical link is in an abnormal state includes:

Receiving an optical link failure alarm message, determining that the optical link is in an abnormal state according to the optical link failure alarm message; or

The optical link is detected, and the optical link is determined to be in an abnormal state according to the second parameter information corresponding to the optical link.

In the above solution, the first parameter information includes: optical power parameter information and/or extinction ratio parameter information; correspondingly,

The change parameter request message includes: adjusting or reducing the optical power parameter information and/or the extinction ratio parameter information.

In the above solution, the method further includes:

Locating an optical link fault according to the impact of the changed first parameter information on the optical link; wherein the optical link fault includes one or more of the following faults: a light reflection fault, a light chain Road loss failure and abnormal optical power.

The embodiment of the invention further provides an optical link fault locating method, the method comprising:

Receiving a change parameter request message, and changing the first parameter information corresponding to the change parameter request message according to the change parameter request message;

Adjusting the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information;

After the adjustment of the driving parameter information is completed, a change parameter response message is generated, and the change parameter response message is sent.

The modifying the first parameter information corresponding to the change according to the change parameter request message includes:

And according to the change parameter request message, the optical power parameter information and/or the extinction ratio parameter information corresponding to the optical power parameter information and/or the extinction ratio parameter information are adjusted.

The embodiment of the invention further provides a first device, where the first device includes:

a first sending unit, configured to: when it is determined that the optical link is in an abnormal state, send a change parameter request message, so that the peer device changes the first parameter information corresponding to the peer device according to the change parameter request message;

a first receiving unit, configured to receive a change parameter response message corresponding to the change parameter request message;

The determining unit is configured to detect the second parameter information corresponding to the optical link according to the change parameter response message, and determine the impact of the changed first parameter information on the optical link.

In the above solution, the first sending unit is further configured to receive an optical link failure alarm message, and determine that the optical link is in an abnormal state according to the optical link failure alarm message; or

The optical link is also configured to detect the optical link, and the optical link is determined to be in an abnormal state according to the second parameter information corresponding to the optical link.

In the above solution, the first device further includes:

The locating unit is configured to locate the optical link fault according to the impact of the changed first parameter information on the optical link, where the optical link fault includes one or more of the following faults: Reflection failure, optical link loss failure, and optical power anomalies.

An embodiment of the present invention further provides an optical module processing device, where the optical module processing device includes:

a second receiving unit, configured to receive a change parameter request message, and change the first parameter information corresponding to the change parameter request message according to the change parameter request message;

The adjusting unit is configured to adjust the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information;

The second sending unit is configured to generate a change parameter response message after the adjustment of the driving parameter information is completed, and send the change parameter response message.

The second receiving unit is further configured to adjust or reduce the optical power parameter information and/or the extinction ratio parameter information corresponding to the optical parameter parameter according to the change parameter request message.

The optical link fault locating method, the device, the processing device, and the storage medium provided by the embodiments of the present invention can determine the parameter information adjustment scheme by detecting the abnormal state of the optical link, that is, when determining that the optical link is in an abnormal state, Generating a change parameter request message, and according to the change parameter request message, the peer device changes the first parameter information, and then detects the second parameter information corresponding to the optical link according to the changed first parameter information to determine the changed parameter. The impact of the parameter information on the optical link, and finally the optical link fault is located according to the impact. Therefore, the embodiment of the present invention can be executed in the local device, or the local device can be monitored by the monitoring device, so The purpose of remote and batch positioning optical link failure is achieved, and the fault location period and labor cost are shortened.

DRAWINGS

1 is a schematic flowchart 1 of an implementation process of an optical link fault locating method according to an embodiment of the present invention;

2 is a schematic structural diagram of a first device according to an embodiment of the present invention;

3 is a schematic flowchart 2 of an implementation process of an optical link fault locating method according to an embodiment of the present invention;

4 is a schematic structural diagram of an optical module processing device according to an embodiment of the present invention;

FIG. 5 is a schematic flowchart of a specific implementation of an optical link fault locating method according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a system corresponding to Embodiment 3 of the present invention.

detailed description

The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Embodiment 1

1 is a schematic flowchart 1 of an implementation process of an optical link fault locating method according to an embodiment of the present invention; the method is applied to a local device; the local device is connected to an optical module processing device, and thus, the optical device and the optical module processing device are used to make the device The local device and the remote communication device perform signal transmission; as shown in FIG. 1, the method includes:

Step 101: When it is determined that the optical link is in an abnormal state, send a change parameter request message, so that the peer device changes the first parameter information corresponding to the peer device according to the change parameter request message;

In the embodiment of the present invention, the peer device refers to an optical module processing device.

In the embodiment of the present invention, when the optical link between the local device and the remote communication device fails, the local device and the remote communication device cannot communicate normally; at this time, the local device processes the optical module. The device sends a change parameter request message, so that the optical module processing device changes the parameter value of the first parameter information corresponding to itself according to the change parameter request message.

In this embodiment, the determining that the optical link is in an abnormal state includes:

It is worth noting that the local device determines that the optical link is in an abnormal state and can be active. It can also be passive; that is, the local device can actively detect the running status of the optical link used when transmitting signals with the remote communication device, or passively receive the optical link failure sent by the optical module processing device. Alarm message, therefore, in actual applications, it is possible to set whether to actively detect the optical link according to the hardware capabilities of the local device.

In this embodiment, the second parameter information includes but is not limited to the following: error parameter information and optical power parameter information.

In this embodiment, the first parameter information includes: optical power parameter information and/or extinction ratio parameter information; correspondingly,

Step 102: Receive a change parameter response message corresponding to the change parameter request message.

In this embodiment, after receiving the change parameter request message with the optical module processing device, the first parameter information in the self is changed, and the driving parameter information is adjusted according to the changed first parameter information, so that The driving parameter information corresponds to the changed first parameter information, and then generates a change parameter response message, and sends the changed parameter response message to the local device to inform the local device to complete the current parameter changing process.

In this embodiment, the optical module processing device stores a correspondence table between the first parameter information and the driving parameter information. In this manner, the optical module processing device can be configured to change the first parameter information according to the first parameter information. And searching, in the correspondence table, a parameter value of the driving parameter information corresponding to the changed first parameter information, to adjust the driving parameter information according to the correspondence relationship.

Step 103: Detect the second parameter information corresponding to the optical link according to the change parameter response message, and determine the impact of the changed first parameter information on the optical link.

In this embodiment, the method further includes:

Performing an optical link fault according to the impact of the changed first parameter information on the optical link Positioning; wherein the optical link failure includes one or more of the following faults: a light reflection fault, an optical link loss fault, and an optical power anomaly.

In this embodiment, the local device detects the second parameter information corresponding to the optical link according to the change parameter response message, and determines the impact of the changed first parameter information on the optical link, and further, according to the changed The impact of a parameter information on the optical link locates the optical link failure.

In this embodiment, the optical link fault of the optical link is faulty, including:

When the local device detects that the parameter value corresponding to the error parameter information of the optical link that is transmitted by the remote communication device continues to be accumulated, the local device determines that the optical link is in an abnormal state and is in the local state. The optical module processing device that is connected to the device sends a change parameter request message, where the change parameter request message includes: reducing a parameter value of the transmit optical power parameter information corresponding to the optical module processing device and a parameter value of the extinction ratio parameter information ;

The optical module processing device adjusts the transmit optical power parameter information and the extinction ratio parameter information according to the change parameter request message, and adjusts the drive parameter information according to the adjusted transmit optical power parameter information and the extinction ratio parameter information, so that the drive The parameter information corresponds to the transmit optical power parameter information and the extinction ratio parameter information;

Then, after the optical module processing device determines that the adjustment of the current driving parameter information is completed, generating a change parameter response message, and sending the change parameter response message to the local device, where the local device detects according to the changed parameter response message. The second parameter information corresponding to the optical link, specifically, when the local device detects that the parameter value corresponding to the error parameter information is decreased, determining that the optical link fault is a light reflection fault.

In this embodiment, the optical link loss of the optical link is faulty, including:

When the local device detects that the received optical power is too low, or the optical port does not receive the optical signal, the local device determines that the optical link is in an abnormal state, and processes the device with the optical module connected to the local device. Sending a change parameter request message; wherein the change parameter request message The method includes: increasing a parameter value of the transmit optical power parameter information corresponding to the optical module processing device;

The optical module processing device adjusts the transmit optical power parameter information according to the change parameter request message, and adjusts the drive parameter information according to the adjusted transmit optical power parameter information, so that the drive parameter information and the transmit optical power parameter information are correspond;

Then, after the optical module processing device determines that the adjustment of the current driving parameter information is completed, generating a change parameter response message, and sending the change parameter response message to the local device, where the local device detects according to the changed parameter response message. The second parameter information corresponding to the optical link, specifically, when the local device detects that the received optical power is normal, determining that the optical link failure is caused by excessive optical link loss.

In this embodiment, the optical link has an abnormal optical power fault, including:

When the local device detects that the received optical power is abnormal, the local device determines that the optical link is in an abnormal state, and sends a change parameter request message to the optical module processing device connected to the local device; The parameter change request message includes: adjusting a parameter value of the transmit optical power parameter information corresponding to the optical module processing device;

Then, after the optical module processing device determines that the adjustment of the current driving parameter information is completed, generating a change parameter response message, and sending the change parameter response message to the local device, where the local device detects according to the changed parameter response message. The second parameter information corresponding to the optical link, specifically, when the local device detects that the received optical power is normal, determining that the optical link fault is abnormal due to optical power.

It is to be noted that, in practical applications, it is determined to adjust or increase the parameter value of the transmitted optical power parameter information corresponding to the optical module processing device according to the change of the fault information detected by the local device.

Here, the normal optical power of the optical module processing device is usually -5.2-0.5 dBm, and the optical power is too high or too low, which is an abnormal optical power; for example, the optical power is too high, which is likely to cause optical power received by the receiving device. The overload also affects the laser lifetime of the optical module processing device corresponding to the receiving end device and the transmitting end device; if the optical power is too low, the eye diagram of the receiving end device is likely to be deteriorated, and the receiving sensitivity of the receiving end device is also easily exceeded.

The embodiment of the invention further provides a first computer readable storage medium, the storage medium comprising a set of instructions for performing the optical link fault location method as shown in FIG. 1 above.

To implement the above method, the embodiment of the present invention further provides a first device. As shown in FIG. 2, the first device includes:

The first sending unit 21 is configured to: when it is determined that the optical link is in an abnormal state, send a change parameter request message, so that the peer device changes the first parameter information corresponding to the peer parameter according to the change parameter request message;

The first receiving unit 22 is configured to receive a change parameter response message corresponding to the change parameter request message;

The determining unit 23 is configured to detect the second parameter information corresponding to the optical link according to the changed parameter response message, and determine the impact of the changed first parameter information on the optical link.

In the above solution, the first sending unit 21 is further configured to receive an optical link failure alarm message, and determine that the optical link is in an abnormal state according to the optical link failure alarm message; or

In the above solution, the first device further includes:

The locating unit 24 is configured to locate the optical link fault according to the impact of the changed first parameter information on the optical link, where the optical link fault includes one or more of the following faults: Light reflection failure, optical link loss failure, and optical power anomaly.

In this embodiment, the first sending unit 21, the first receiving unit 22, the determining unit 23, and the positioning unit 24 may all run on the first device, and may be a central processing unit (CPU) located on the first device. Or a microprocessor (MPU), or a digital signal processor (DSP), or a programmable gate array (FPGA) implementation.

Embodiment 2

3 is a schematic flowchart 2 of an implementation process of an optical link fault locating method according to an embodiment of the present invention; the method is applied to an optical module processing device corresponding to an optical link; and the optical module processing device is connected to a local device; And the optical module processing device performs signal transmission between the local device and the remote communication device; as shown in FIG. 3, the method includes:

Step 301: Receive a change parameter request message, and change the first parameter information corresponding to the change parameter request message according to the change parameter request message;

In the embodiment of the present invention, when the optical link between the local device and the remote communication device fails, the local device and the remote communication device cannot communicate normally; at this time, the local device processes the optical module. The device sends a change parameter request message, the optical module processing device receives the change parameter request message, and changes the first parameter information corresponding to itself according to the change parameter request message.

Step 302: Adjust driving parameter information according to the changed first parameter information, so that the driving The dynamic parameter information corresponds to the changed first parameter information;

In this embodiment, the optical module processing device adjusts the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information.

In this embodiment, the optical module processing device stores a correspondence table between the first parameter information and the driving parameter information; thus, the optical module processing device can be configured to change the first parameter according to the first parameter. And searching for the parameter value of the driving parameter information corresponding to the changed first parameter information in the correspondence relationship table, so as to adjust the driving parameter information according to the correspondence relationship.

Step 303: After the adjustment of the driving parameter information is completed, generate a change parameter response message, and send the change parameter response message.

In this embodiment, after the adjustment of the driving parameter is completed, the optical module processing device generates a change parameter response message, and sends the change parameter response message to the local device, so that the local device is notified to complete the current parameter. The process of changing, so that the local device detects the second parameter information corresponding to the optical link according to the change parameter response message, and further determines the impact of the changed first parameter information on the optical link, so as to influence the light according to the influence The link is faulty for positioning.

The embodiment of the present invention further provides a second computer readable storage medium, the storage medium comprising a set of instructions for performing the optical link fault location method as shown in FIG.

To achieve the above method, an embodiment of the present invention further provides an optical module processing device. As shown in FIG. 4, the optical module processing device includes:

The second receiving unit 41 is configured to receive a change parameter request message, and change the first parameter information corresponding to the change parameter request message according to the change parameter request message;

The adjusting unit 42 is configured to adjust the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information;

The second sending unit 43 is configured to generate a change parameter response message after the adjustment of the driving parameter information is completed, and send the change parameter response message.

The second receiving unit 41 is further configured to adjust or reduce the optical power parameter information and/or extinction ratio parameter information corresponding to the data according to the change parameter request message.

In this embodiment, the second sending unit 43, the second receiving unit 41, and the adjusting unit 42 may all run on the optical module processing device, and may be a central processing unit (CPU) located on the optical module processing device, or Microprocessor (MPU), or digital signal processor (DSP), or programmable gate array (FPGA) implementation.

Embodiment 3

5 is a schematic flowchart of a specific implementation of an optical link fault locating method according to an embodiment of the present invention; FIG. 6 is a schematic structural diagram of a system corresponding to the third embodiment of the present invention; as shown in FIG. 6, the method relates to the following devices and devices. And internal components, respectively:

The indoor/outdoor remote device 1, specifically the device corresponding to the baseband processing unit (BBU)/radio remote module (RRU); the optical module processing device 2, the optical module processing device 2 is extended through the indoor/outdoor The optical port on the device 1 is connected to the indoor/outdoor remote device 1; the first controller 3 is located on the indoor/outdoor remote device 1, and the first processor 3 may be the indoor/ a central processing unit (CPU) or a field programmable gate array (FPGA) or the like in the outdoor remote device 1; a second controller 4, a driving chip 5, a light emitting unit 6, a receiving unit 7, and a memory 8, both located in the light Module processing device 2;

The first controller 3 is connected to the second controller 4, and realizes the purpose of transmitting signals by the indoor/outdoor remote device 1 through the optical fiber and the optical module processing device 2 and the remote communication device; The memory 8 and the driving chip 5 are both connected to the second controller 4, and the driving chip 5 is respectively connected to the light emitting component 6 and the receiving component 7;

In practical applications, the light-emitting component 6 and the receiving component 7 can be integrated into one component, collectively referred to as a transmitting and receiving component 9; the memory 8 can be specifically a charged erasable programmable read-only memory. (EEPROM).

Based on the system shown in Figure 6, the method includes:

Step 501: When the first controller 3 determines that the optical link is in an abnormal state, send a change parameter request message to the second controller 4;

In the embodiment of the present invention, when the optical link between the indoor/outdoor remote device 1 and the remote communication device fails, the indoor/outdoor remote device 1 and the remote communication device cannot communicate normally; The first controller 3 in the indoor/outdoor remote device 1 transmits a change parameter request message to the second controller 4 in the optical module processing device 2 to cause the optical module processing device 2 to change according to the change The parameter request message changes the parameter value of the first parameter information corresponding to itself.

In this embodiment, the optical link is a link structure composed of an optical fiber and the optical module processing device 2.

It is worth noting that the process of determining that the optical link is in an abnormal state can be active or passive; that is, the indoor/outdoor remote device 1 can actively detect and communicate with the remote end. The operating state of the optical link used by the device for signal transmission may also passively receive the optical link failure alarm message sent by the optical module processing device 2. Therefore, in practical applications, according to the indoor/outdoor remote device 1 Whether the hardware capability setting actively detects the optical link;

In addition, in a practical application, the task of determining whether the optical link is in an abnormal state is performed by the first controller 3, and therefore, for the first controller 3, the first controller 3 can actively detect Operation of the optical link used for signal transmission with the remote communication device The optical link failure alarm message sent by the optical module processing device 2 or the optical link failure alarm message determined by other modules in the indoor/outdoor remote device 1 may be passively received.

Step 502: The second controller 4 receives the change parameter request message, and instructs the memory 8 to change the first parameter information corresponding to the memory 8 according to the change parameter request message.

In this embodiment, after receiving the change parameter request message, the second controller 4 informs the memory 8 to cause the memory 8 to change the first parameter information according to the change parameter request message.

Step 503: The second controller 4 determines that the memory 8 has changed the first parameter information, and sends an adjustment message to the driving chip 5;

In this embodiment, after the first parameter information in the memory 8 is changed, the second controller 4 detects that there is a change in the first parameter information in the memory 8, the second controller 4 An adjustment message is sent to the drive chip 5.

Step 504: The driving chip 5 queries the second controller 4 for driving parameter information corresponding to the changed first parameter information according to the adjustment message, and according to the modified The driving parameter information corresponding to the parameter information has a corresponding relationship, and the driving parameter information corresponding to the driving chip is adjusted;

In this embodiment, the second controller 4 stores a correspondence table between the first parameter information and the driving parameter information; thus, the driving chip 5 can be caused to change the first parameter according to the first parameter. Information, in the correspondence relationship table, searching for a parameter value of the driving parameter information corresponding to the changed first parameter information, to the driving parameter information according to the correspondence relationship Make adjustments.

Step 505: The driving chip 5 sends an instruction to the lighting component 6 according to the adjusted driving parameter information, instructing the lighting component 6 to send an optical signal according to the adjusted driving parameter information;

Step 506: After the second controller 4 determines that the drive parameter information adjustment in the drive chip 5 is completed, generate a change parameter response message, and send the change parameter response message to the first controller 3;

In this embodiment, after the second controller 4 determines that the driving parameter information in the driving chip 5 is adjusted, a change parameter response message is generated, and the changed parameter response message is sent to the first controller 3, Instructing the first controller 3 to complete the current parameter change process, so that the first controller 3 detects the second parameter information corresponding to the optical link according to the changed parameter response message, thereby determining the first change. The impact of the parameter information on the optical link to locate the optical link fault according to the impact.

Step 507: The first controller 3 detects the second parameter information corresponding to the optical link according to the changed parameter response message, and determines the impact of the changed first parameter information on the optical link.

Step 508: The first controller 3 locates the optical link fault according to the impact of the changed first parameter information on the optical link.

The optical link failure includes one or more of the following faults: a light reflection fault, an optical link loss fault, and an optical power abnormality.

The optical link fault locating method, device, and processing device provided by the embodiments of the present invention can determine the parameter information adjustment scheme by detecting the abnormal state of the optical link, that is, when determining that the optical link is in an abnormal state, generating a change parameter And requesting the message, and modifying the parameter request message according to the change parameter request message, so that the peer device changes the first parameter information, and further detects the second parameter information corresponding to the optical link according to the changed first parameter information to determine the changed first parameter information. The impact on the optical link is finally located to locate the optical link fault according to the impact. Therefore, the embodiment of the present invention can The local device is executed in the local device, or the local device is monitored by the monitoring device. Therefore, the remote and batch positioning optical link faults can be achieved, and the fault locating cycle and labor cost can be shortened.

In addition, the fault location of the optical link is implemented in the interaction between the local device and the optical module processing device, and therefore, when the local device and the optical module processing device are integrated as a whole, The process of the fault location of the optical link in the embodiment of the present invention is a closed loop positioning process. Therefore, the method of the embodiment of the present invention is simple and operability is strong; and when the monitoring device detects multiple local devices, the embodiment of the present invention The method can also provide a method for locating an optical link fault in a remote and batch manner, so that the fault locating period is shortened and the labor cost is saved. At the same time, the embodiment of the present invention can also serve as a reference for subsequent similar problems.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The device is implemented in a flow chart A function specified in a block or blocks of a process or multiple processes and/or block diagrams.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

The above is only an embodiment of the embodiments of the present invention, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the embodiments of the present invention. Retouching should also be considered as the scope of protection of the embodiments of the present invention.

Industrial applicability

The embodiment of the present invention can determine the adjustment scheme of the parameter information by detecting the abnormal state of the optical link, that is, when determining that the optical link is in an abnormal state, generating a change parameter request message, and making the peer device according to the change parameter request message. The first parameter information is changed, and the second parameter information corresponding to the optical link is detected according to the changed first parameter information to determine the impact of the changed first parameter information on the optical link, and finally according to the impact The optical link is faulty to be located. Therefore, the embodiment of the present invention can be executed in the local device, or the local device can be monitored by the monitoring device. Therefore, the purpose of remote and batch positioning optical link failure can be achieved, and the fault positioning period and the human power can be shortened. cost.

Claims

An optical link fault locating method, the method comprising:

When it is determined that the optical link is in an abnormal state, the change parameter request message is sent, so that the peer device changes the first parameter information corresponding to the peer device according to the change parameter request message;

Receiving a change parameter response message corresponding to the change parameter request message;

And detecting, according to the changed parameter response message, the second parameter information corresponding to the optical link, and determining the impact of the changed first parameter information on the optical link.
The method of claim 1, wherein the determining that the optical link is in an abnormal state comprises:

Receiving an optical link failure alarm message, determining that the optical link is in an abnormal state according to the optical link failure alarm message; or

The optical link is detected, and the optical link is determined to be in an abnormal state according to the second parameter information corresponding to the optical link.
The method according to claim 1 or 2, wherein the first parameter information comprises: optical power parameter information and/or extinction ratio parameter information; correspondingly,

The change parameter request message includes: adjusting or reducing the optical power parameter information and/or the extinction ratio parameter information.
The method of claim 1 or 2, wherein the method further comprises:

Locating an optical link fault according to the impact of the changed first parameter information on the optical link; wherein the optical link fault includes one or more of the following faults: a light reflection fault, a light chain Road loss failure and abnormal optical power.
An optical link fault locating method, the method comprising:

Receiving a change parameter request message, and changing the first parameter information corresponding to the change parameter request message according to the change parameter request message;

Adjusting the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information;

After the adjustment of the driving parameter information is completed, a change parameter response message is generated, and the change parameter response message is sent.
The method according to claim 5, wherein the first parameter information comprises: optical power parameter information and/or extinction ratio parameter information; correspondingly,

The modifying the first parameter information corresponding to the change according to the change parameter request message includes:

And according to the change parameter request message, the optical power parameter information and/or the extinction ratio parameter information corresponding to the optical power parameter information and/or the extinction ratio parameter information are adjusted.
A first device, the first device comprising:

a first sending unit, configured to: when it is determined that the optical link is in an abnormal state, send a change parameter request message, so that the peer device changes the first parameter information corresponding to the peer device according to the change parameter request message;

a first receiving unit, configured to receive a change parameter response message corresponding to the change parameter request message;

The determining unit is configured to detect the second parameter information corresponding to the optical link according to the change parameter response message, and determine the impact of the changed first parameter information on the optical link.
The first device according to claim 7, wherein the first sending unit is further configured to receive an optical link failure alarm message, and determine that the optical link is in an abnormal state according to the optical link failure alarm message; or

The optical link is also configured to detect the optical link, and the optical link is determined to be in an abnormal state according to the second parameter information corresponding to the optical link.
The first device according to claim 7 or 8, wherein the first parameter information comprises: optical power parameter information and/or extinction ratio parameter information; correspondingly,

The change parameter request message includes: adjusting or reducing the optical power parameter information and/or extinction ratio Parameter information.
The first device according to claim 7 or 8, wherein the first device further comprises:

The locating unit is configured to locate the optical link fault according to the impact of the changed first parameter information on the optical link, where the optical link fault includes one or more of the following faults: Reflection failure, optical link loss failure, and optical power anomalies.
An optical module processing device, the optical module processing device comprising:

a second receiving unit, configured to receive a change parameter request message, and change the first parameter information corresponding to the change parameter request message according to the change parameter request message;

The adjusting unit is configured to adjust the driving parameter information according to the changed first parameter information, so that the driving parameter information corresponds to the changed first parameter information;

The second sending unit is configured to generate a change parameter response message after the adjustment of the driving parameter information is completed, and send the change parameter response message.
The optical module processing device according to claim 11, wherein the first parameter information comprises: optical power parameter information and/or extinction ratio parameter information; correspondingly,

The second receiving unit is further configured to adjust or reduce the optical power parameter information and/or the extinction ratio parameter information corresponding to the optical parameter parameter according to the change parameter request message.
A first computer readable storage medium comprising a set of instructions for performing the optical link fault location method of any one of claims 1 to 4.
A second computer readable storage medium comprising a set of instructions for performing the optical link fault location method of claim 5 or 6.