CN113938768B

CN113938768B - Optical network operation information monitoring method and related equipment

Info

Publication number: CN113938768B
Application number: CN202010602957.9A
Authority: CN
Inventors: 董英华; 曾小飞
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2023-04-11
Anticipated expiration: 2040-06-29
Also published as: WO2022001234A1; CN113938768A

Abstract

The application discloses a method for monitoring optical network operation information and related equipment. In the present application, the optical communication apparatus records at least one of the following operation information: parameter information of the optical communication device itself and/or at least one component of the optical communication device during normal operation, information during abnormal operation; and the optical communication device transmits the recorded at least one operation information. By adopting the scheme of the application, the optical communication device records the information during normal operation and abnormal operation and sends the detailed recorded operation information, so that the network management equipment can obtain the detailed information during normal operation and abnormal operation of the optical communication device, divide responsibility and predict faults, and improve the reliability of the operation of the passive optical network.

Description

Optical network operation information monitoring method and related equipment

Technical Field

The present application relates to the field of optical communication technologies, and in particular, to an optical network operation information monitoring method, an optical communication device, a network management device, a passive optical network monitoring system, and a computer-readable storage medium.

Background

Currently, there are many common access network broadband schemes, such as twisted pair access, coaxial cable access, and fiber access. The twisted-pair cable and coaxial cable access technology can fully utilize the existing copper wire resources, has low engineering cost, but is difficult to provide enough bandwidth for new services such as video on demand, bidirectional video conferences and the like, and has limited transmission distance and small network coverage. The huge capacity and long-distance transmission of the optical fiber determine that the optical fiber access is a good scheme for broadband access.

Telecommunication services are becoming more and more abundant, and users have a greater and greater demand for bandwidth, and operators in domestic and worldwide countries have made Fiber To The Home (FTTH) mode a mandatory choice for access networks. Generally, the FTTH mode depends on an access technology such as a Passive Optical Network (PON). The PON access technology enables only optical passive devices such as an optical splitter and an optical fiber to be required between an Optical Line Terminal (OLT) and an Optical Network Unit (ONU) of an access network, and does not require a machine room to be leased and a power supply to be provided.

However, there are various reasons that may cause an OLT or ONU to malfunction: for example, the optical fibers are bent and cut, connectors between the optical fibers are loosened and dropped, an optical module in the OLT or the ONU malfunctions, power interruption of a device to which the ONU is connected, and the ONU is disconnected. These failures may cause a certain ONU or a plurality of ONUs, or even all ONUs, or even the entire OLT to malfunction.

After the OLT or the ONU is abnormal, the equipment which is abnormal or detects the abnormality sends some alarm information. For example, the OLT cannot correctly analyze uplink data of a certain ONU for several consecutive frames, and the OLT may send an alarm of loss of signal i (LOSi); for another example, if the OLT does not receive the uplink light, the OLT sends a LOSs of signal (LOS) alarm; for another example, after the ONU loses power, a power-off alarm (powering gasp) signal is reported to the OLT, and so on.

When the above-mentioned abnormality occurs, the online network management device connected with the OLT and the ONU can query the status information of the OLT and the ONU by a command. However, once the OLT or the ONU is disconnected from the network management device, the network management device can only obtain the result that the OLT or the ONU is disconnected, and the reason is unclear and the fault removal and repair cannot be performed. And the system is restored to normal work through manual repair or automatic system restoration, and at the moment, the network management equipment does not know the historical state information of the OLT and the ONU, cannot assign responsibility to the fault and is not beneficial to fault prediction.

Disclosure of Invention

The application provides an optical network operation information monitoring method and related equipment, so that network management equipment can obtain detailed information when an optical communication device operates normally and abnormally, and can divide responsibility and predict faults.

In a first aspect, a method for monitoring operation information of an optical network is provided, where the method includes: the optical communication apparatus records at least one of the following operation information: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation, information in abnormal operation; and the optical communication device transmitting the recorded at least one operation information.

In the aspect, the optical communication device records information during normal operation and abnormal operation and sends detailed recorded operation information, so that the network management equipment can obtain the detailed information during normal operation and abnormal operation of the optical communication device, perform responsibility division and fault prediction on faults, and improve the reliability of the operation of the passive optical network.

With reference to the first aspect, in a possible implementation, the parameter information of the optical communication apparatus itself in normal operation includes at least one of: an initial parameter value of the optical communication device when the optical communication device is powered on, a parameter value of the optical communication device at a sending time of the parameter information, a parameter value of the optical communication device at a time immediately before the sending time of the parameter information, parameter values of the optical communication device at times 1-n before the sending time of the parameter information, a parameter value of the optical communication device before the last drop of the optical communication device, and parameter values of the optical communication device before the last m drops of the optical communication device, wherein n and m are positive integers; the parameter information of at least one component of the optical communication device in normal operation includes: an initial parameter value of an optical module when the optical communication device is powered on, a parameter value of the optical module at a transmission time of the parameter information, a parameter value of the optical module at a time immediately before the transmission time of the parameter information, parameter values of the optical module at 1-n times before the transmission time of the parameter information, a parameter value of the optical module before the optical communication device has last dropped, and a parameter value of the optical module before the optical communication device has last dropped.

In the implementation, the optical communication device records at least one operation information of the optical communication device and/or the key component during normal operation, including an initial parameter value, a current parameter value, parameter values at the first 1-n times of the current time, a parameter value before the latest offline, and/or a parameter value before the latest m offline, and so on, so that the network management equipment can assign responsibility to the fault after acquiring the detailed operation information, and can also perform operation and maintenance and fault prediction, thereby improving the reliability of the operation of the passive optical network.

With reference to the first aspect, in yet another possible implementation, the recording, by the optical communication apparatus, parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation includes: the optical communication device obtaining a last detected parameter value of the optical communication device itself and/or at least one component of the optical communication device; if the last detected parameter value of the optical communication device and/or at least one component of the optical communication device is larger than or equal to the historical maximum parameter value of the parameter information of the optical communication device and/or at least one component of the optical communication device, updating the historical maximum parameter value of the parameter information according to the last detected parameter value of the optical communication device and/or at least one component of the optical communication device; and/or if the last detected parameter value of the optical communication device and/or the at least one component of the optical communication device is less than or equal to the historical minimum parameter value of the optical communication device and/or the at least one component of the optical communication device, updating the historical minimum parameter value of the parameter information according to the last detected parameter value of the optical communication device and/or the at least one component of the optical communication device.

In this implementation, the optical communication device stores historical maximum/minimum parameter values for the optical communication device itself and/or the critical component in memory and updates the stored historical maximum/minimum parameter values based on the most recently detected parameter values for the optical communication device itself and/or the critical component to continually refresh the historical maximum/minimum parameter values. Therefore, the network management equipment can divide duty to the fault based on the historical maximum/minimum parameter value, and can also carry out operation and maintenance and fault prediction, thereby improving the reliability of the operation of the passive optical network.

With reference to the first aspect, in yet another possible implementation, the parameter of the optical communication apparatus itself includes at least one of the following parameters: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device; the parameters of the at least one component of the optical communication device include at least one of: the temperature of the optical module, the current of the optical module, the emitted light power of the optical module, and the received light power of the optical module.

With reference to the first aspect, in a further possible implementation, the information during the abnormal operation includes at least one of the following information: time information and a reason value when the line is dropped for the last time, and time information and a reason value when the line is dropped for the ith time last time, wherein i is a positive integer greater than or equal to 2.

In the implementation, the network management equipment needs to manage a large number of optical communication devices, the optical communication devices record time information and reason values when the optical communication devices drop the line, and after obtaining the time information and the reason values, the network management equipment can directly assign responsibility to the fault, so that the efficiency of assigning responsibility to the fault is improved.

With reference to the first aspect, in a further possible implementation, before the optical communication device sends the recorded at least one piece of operation information, the method further includes:

the optical communication device receives a query command from a network management device or an optical line terminal, where the query command is used to instruct the optical communication device to report the operation information recorded by the optical communication device, and/or the query command includes the type of the operation information reported by the optical communication device.

In the implementation, the network management equipment or the optical line terminal can indicate the type of the operation information reported by the optical communication device, so that the operation information is obtained in a targeted manner, and the efficiency of obtaining the operation information is improved.

In a second aspect, a method for monitoring operation information of an optical network is provided, where the method includes: the network management equipment receives at least one piece of operation information from the optical communication device: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation, information in abnormal operation; and the network management equipment manages the optical communication device according to at least one piece of operation information of the optical communication device.

In the aspect, the network management equipment receives the information recorded by the optical communication device during normal operation and abnormal operation, so that the network management equipment can obtain the detailed information of the optical communication device during normal operation and abnormal operation, perform responsibility division and fault prediction on faults, and improve the reliability of the operation of the passive optical network.

With reference to the second aspect, in one possible implementation, the method further includes: and the network management equipment sends a query command to the optical communication device, wherein the query command is used for indicating the optical communication device to report the running information recorded by the optical communication device, and/or the query command comprises the type of the running information reported by the optical communication device.

With reference to the second aspect, in yet another possible implementation, the parameter information of the optical communication apparatus itself in normal operation includes at least one of: an initial parameter value of the optical communication apparatus when the optical communication apparatus is powered on, a parameter value of the optical communication apparatus at a transmission time of the parameter information, a parameter value of the optical communication apparatus at a time immediately before the transmission time of the parameter information, parameter values of the optical communication apparatus at times 1 to n before the transmission time of the parameter information, a parameter value of the optical communication apparatus before the last disconnection of the optical communication apparatus, and parameter values of the optical communication apparatus before the last m disconnections of the optical communication apparatus, wherein n and m are positive integers; the parameter information of at least one component of the optical communication device in normal operation includes: an initial parameter value of an optical module when the optical communication device is powered on, a parameter value of the optical module at a transmission time of the parameter information, a parameter value of the optical module at a time immediately before the transmission time of the parameter information, parameter values of the optical module at times 1 to n before the transmission time of the parameter information, a parameter value of the optical module before the optical communication device has last dropped, and a parameter value of the optical module before the optical communication device has last dropped.

With reference to the second aspect, in a further possible implementation, the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation includes a historical minimum parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation, or a historical maximum parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation.

With reference to the second aspect, in yet another possible implementation, the parameter of the optical communication apparatus itself includes at least one of the following parameters: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device; the parameters of the at least one component of the optical communication device include at least one of: the temperature of the optical module, the current of the optical module, the emitted light power of the optical module, and the received light power of the optical module.

With reference to the second aspect, in yet another possible implementation, the information when the operation is abnormal includes at least one of the following information: time information and a reason value when the line is dropped for the last time, and time information and a reason value when the line is dropped for the ith time last time, wherein i is a positive integer greater than or equal to 2.

In a third aspect, an optical communication apparatus is provided, including: a recording unit for recording at least one of the following operation information: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation, information in abnormal operation; and a transmitting unit for transmitting the recorded at least one operation information.

With reference to the third aspect, in a possible implementation, the recording unit includes: an acquisition unit configured to acquire a parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus, which has been detected last time; an updating unit, configured to update a historical maximum parameter value of the parameter information according to the most recently detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus, if the most recently detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus is greater than or equal to the historical maximum parameter value of the parameter information of the optical communication apparatus and/or the at least one component of the optical communication apparatus; or the updating unit is configured to update the historical minimum parameter value of the parameter information according to the latest detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus, if the latest detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus is less than or equal to the historical minimum parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus.

With reference to the third aspect, in yet another possible implementation, the optical communication apparatus further includes: a receiving unit, configured to receive a query command from a network management device or an optical line terminal, where the query command is used to instruct the optical communication device to report operation information recorded by the optical communication device, and/or the query command includes a type of the operation information reported by the optical communication device.

The specific implementation details of the functions of each unit module in the optical communication device provided in the third aspect may refer to the related details of the optical network operation information monitoring method provided in the first aspect.

In a fourth aspect, there is provided a network management device, including: a receiving unit for receiving at least one piece of operation information: parameter information of the optical communication device itself and/or at least one component of the optical communication device during normal operation, information during abnormal operation; and a processing unit for managing the optical communication apparatus according to at least one operation information of the optical communication apparatus.

With reference to the fourth aspect, in a possible implementation, the network management device further includes: a sending unit, configured to send an inquiry command to the optical communication device, where the inquiry command is used to instruct the optical communication device to report the operation information recorded by the optical communication device, and/or the inquiry command includes a type of the operation information reported by the optical communication device.

The detailed implementation details of the functions of each unit module in the network management device provided in the fourth aspect may refer to the detailed description related to the method for monitoring the operation information of the optical network provided in the second aspect.

In a fifth aspect, an optical communication apparatus is provided, comprising an optical module, a processor and/or a MAC chip coupled with the optical module; wherein the processor and/or MAC chip is configured to perform some or all of the steps of any one of the methods performed by the optical communication apparatus in the embodiments of the present application.

In a sixth aspect, a network management device is provided, which includes a processor and a memory, where the memory stores program instructions, and the processor is configured to invoke the program instructions to execute some or all of the steps of any one of the methods executed by the network management device in this embodiment.

In a seventh aspect, a passive optical network monitoring system is provided, where the passive optical network monitoring system includes: any one of the third aspect or the third aspect realizes the provided optical communication device, and any one of the fourth aspect or the fourth aspect realizes the network management equipment.

In an eighth aspect, a computer-readable storage medium is provided, which stores a computer program, where the computer program, when executed by hardware, can implement part or all of the steps of any one of the methods performed by an optical communication apparatus in the embodiments of the present application.

In a ninth aspect, a computer-readable storage medium is provided, where the computer-readable storage medium stores a computer program, and when the computer program is executed by hardware, the computer program can implement part or all of the steps of any one of the methods executed by the network management device in the embodiments of the present application.

In a tenth aspect, there is provided a computer program product comprising instructions which, when run on an optical communication apparatus, cause the optical communication apparatus to perform some or all of the steps of the method in the above aspects performed by the optical communication apparatus.

In an eleventh aspect, there is provided a computer program product comprising instructions which, when run on a network management device, causes the network management device to perform some or all of the steps of the method in the above aspects performed by the network management device.

Drawings

Fig. 1 is a schematic architecture diagram of a PON system according to an embodiment of the present application;

fig. 2 is a schematic architecture diagram of a passive optical network monitoring system 100 according to an embodiment of the present application;

fig. 3 is a schematic flowchart of a method for monitoring operation information of an optical network according to an embodiment of the present application;

fig. 4 is a schematic flowchart of another optical network operation information monitoring method according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of an optical communication device 400 provided in the embodiment of the present application;

fig. 6 is a schematic structural diagram of a network management device 500 according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an optical communication apparatus 600 according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a network management device 700 according to an embodiment of the present application.

Detailed Description

The technical solution of the present application is described below with reference to the drawings in the embodiments of the present application.

Please refer to fig. 1, which is a schematic diagram of an architecture of a PON system according to an embodiment of the present disclosure. The PON system includes an OLT (also referred to as a local side) and an ONU (also referred to as a user side), and only optical passive devices such as an optical fiber and a passive optical Splitter (Splitter) are required to be coupled between the OLT and the ONU. Splitter may be referred to as a Splitter for short. One or more ONUs may be connected below one OLT.

The OLT and the Splitter are coupled by a trunk fiber (Feeder), which is also called a Feeder segment. Splitter can couple multiple fibers together. Wherein, splitter and ONU are coupled by Drop fiber (Drop), also called attenuation section.

The direction from the OLT to the ONU is referred to as a downstream direction, and the direction from the ONU to the OLT is referred to as an upstream direction. In transmitting and receiving data, the downstream direction of the PON network is broadcast and the upstream direction is unicast.

Fig. 2 is a schematic structural diagram of a passive optical network monitoring system according to an embodiment of the present application, where the passive optical network monitoring system 100 includes an optical communication device 200 and a network management apparatus 300. The optical communication apparatus 200 may be the OLT or the ONU shown in fig. 1. The optical communication device 200 records information during normal operation and abnormal operation, and transmits detailed recorded operation information, so that the network management equipment 300 can obtain detailed information during normal operation and abnormal operation of the optical communication device 200, and perform responsibility division and fault prediction on faults.

Referring to fig. 3, a schematic flow chart of a method for monitoring operation information of an optical network according to an embodiment of the present application is shown, where the method exemplarily includes the following steps:

s101, the optical communication device records at least one piece of following operation information: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus during normal operation, and information during abnormal operation.

The optical communication device may be the OLT or the ONU shown in fig. 1. The OLT or the ONU respectively records the parameter information of the OLT or the ONU during normal operation and can also respectively record the parameter information of key components of the OLT or the ONU. The OLT includes one or more optical modules, and the ONU typically includes one optical module. The key components include, but are not limited to, the optical modules described above. In addition, the OLT or the ONU records information during abnormal operation. In the existing optical network operation information monitoring scheme, an optical time-domain reflectometer (OTDR) is used for monitoring, which is too high in cost. Moreover, in a point-to-multipoint (P2 MP) network such as a PON system, if only the OLT deploys an OTDR, it cannot ensure whether a fiber fault occurs in a detection branch, such as attenuation or not; if the OLT and the ONTs deploy OTDRs respectively, the cost is higher. In the present application, the OLT and the ONU record the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus during normal operation and the information during abnormal operation, which is low in cost and detailed and comprehensive in recorded information.

Specifically, in one implementation, the optical communication apparatus recording the parameter information of the optical communication apparatus itself in normal operation includes at least one of: the method includes the steps of obtaining an initial parameter value of the optical communication device when the optical communication device is powered on, obtaining a parameter value of the optical communication device at a sending time of the parameter information, obtaining a parameter value of the optical communication device at a time previous to the sending time of the parameter information, obtaining parameter values of the optical communication device at 1-n times previous to the sending time of the parameter information, obtaining a parameter value of the optical communication device before the last line drop of the optical communication device, obtaining parameter values of the optical communication device before the last m line drops of the optical communication device, and enabling n and m to be positive integers. Wherein the parameters of the optical communication device itself comprise at least one of: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device.

That is, when the optical communication device is powered on, initial values of one or more parameters of the temperature, the voltage and the CPU occupancy rate of the optical communication device can be recorded; the optical communication device may also record the current value of one or more parameters of the temperature, the voltage and the CPU occupancy rate (namely the parameter value of the transmission time); the optical communication apparatus may also record the latest value of one or more parameters of the temperature, the voltage, and the CPU occupancy of the optical communication apparatus (i.e., the parameter value at the time immediately before the transmission time), wherein the "immediately before" may refer to the time one recording cycle away from the transmission time; the optical communication device may also record the parameter values of the latest 1-n times of one or more parameters of the temperature, the voltage and the CPU occupancy rate of the optical communication device (namely the parameter values of the first 1-n times of the transmission time), wherein the "first 1-n times" may refer to 1-n times of 1-n recording periods away from the transmission time; the optical communication device can also record the parameter value of one or more parameters of the temperature, the voltage and the CPU occupancy rate of the optical communication device before the last disconnection, namely, the optical communication device has a latest disconnection, and the optical communication device records one or more parameter values of the temperature, the voltage and the CPU occupancy rate of the optical communication device before the latest disconnection; the optical communication device has recently dropped for m times, and the optical communication device also records one or more parameter values among the temperature, voltage, and CPU occupancy of the optical communication device before dropping for m times. It is understood that the optical communication device may record all of the above operation information, and may also record part of the above operation information.

Wherein the optical communication device recording parameter information of at least one component of the optical communication device in normal operation comprises: an initial parameter value of an optical module when the optical communication device is powered on, a parameter value of the optical module at a transmission time of the parameter information, a parameter value of the optical module at a time immediately before the transmission time of the parameter information, parameter values of the optical module at 1-n times before the transmission time of the parameter information, a parameter value of the optical module before the optical communication device has last dropped, and a parameter value of the optical module before the optical communication device has last dropped. Wherein the parameters of the at least one component of the optical communication device comprise at least one of: the temperature of the optical module, the current of the optical module, the emitted light power of the optical module, and the received light power of the optical module.

That is, when the optical communication device is powered on, initial values of one or more parameters of the operating voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module can be recorded; the optical communication device can also record the current value (i.e. the parameter value at the sending moment) of one or more parameters of the operating voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module; the optical communication device may further record the latest value (i.e. the parameter value at the previous time of the transmission time) of one or more parameters of the operating voltage, the temperature, the current, the transmitted optical power and the received optical power of the optical module, wherein the "previous time" may refer to a time that is one recording period away from the transmission time; the optical communication device may further record the parameter values of the latest 1 to n times of one or more parameters of the operating voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module (i.e. the parameter values of the first 1 to n times of the transmission time), wherein the "first 1 to n times" may refer to 1 to n times of the recording period from the transmission time by 1 to n times; the optical communication device can also record the parameter values of one or more parameters of the working voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module before the last disconnection, namely the optical communication device has a last disconnection, and the optical communication device records one or more parameter values of the working voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module before the last disconnection; the optical communication device has recently dropped m times, and the optical communication device also records one or more parameter values of the operating voltage, the temperature, the current, the emitted optical power and the received optical power of the optical module before dropping m times. It is understood that the optical communication device may record all of the above operation information, and may also record the above operation information of the above portion.

The parameter information recorded by the optical communication device in normal operation of the optical communication device itself and/or at least one component of the optical communication device may be as shown in table 1 below:

TABLE 1

In another implementation, an optical communication device obtains a last detected parameter value of the optical communication device itself and/or at least one component of the optical communication device. Then, the last detected parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus is compared with the historical maximum/minimum parameter value of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus, and it is determined whether to update the historical maximum/minimum parameter value.

Specifically, if the last detected parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus is greater than or equal to the historical maximum parameter value of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus, the historical maximum parameter value of the parameter information is updated according to the last detected parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus.

And/or if the last detected parameter value of the optical communication device and/or at least one component of the optical communication device is less than or equal to the historical minimum parameter value of the optical communication device and/or at least one component of the optical communication device, updating the historical minimum parameter value of the parameter information according to the last detected parameter value of the optical communication device and/or at least one component of the optical communication device.

The parameter information recorded by the optical communication device in normal operation of the optical communication device itself and/or at least one component of the optical communication device may be as shown in table 2 below:

TABLE 2

Type of parameter	Recording time	Specific value
			Temperature history maximum value of optical communication device
Temperature history minimum for optical communication device
			Historical voltage maximum for optical communication devices
Voltage history minimum for optical communication device
			CPU occupancy history maximum value of optical communication apparatus
CPU occupancy history minimum value of optical communication device
			Historical maximum value of working voltage of optical module
Historical minimum value of working voltage of optical module
			Temperature history maximum value of optical module
Temperature history minimum of optical module
			Historical maximum value of current of optical module
Historical minimum of current for optical module
			Historical maximum value of emitted light power of light module
Emitted light power history minimum of light module
			Received optical power history maximum value of optical module
Received optical power history minimum of optical module

The optical communication device records the historical maximum/minimum value of at least one parameter of the optical communication device and/or the key component, and continuously updates the historical maximum/minimum value, so that the network management equipment can analyze the failure occurrence reason as soon as possible according to the historical maximum/minimum value.

One network management equipment may manage a plurality of optical communication devices, and if one or more kinds of operation information of each optical communication device need to be analyzed to obtain the cause of the occurrence of the fault of each optical communication device, the efficiency is low. In this embodiment, the optical communication apparatus may further record information at the time of an operational abnormality, the information at the time of the operational abnormality including at least one of the following information: time information and a reason value when the line is dropped for the last time, and time information and a reason value when the line is dropped for the ith time last time, wherein i is a positive integer greater than or equal to 2. For example, the optical communication device may record time information and a cause value at the last drop, and may also record 2 nd and 3 rd times of \8230; time information and a cause value at the drop. The reason for the disconnection may be that the ONU/OLT is powered off, the ONU does not receive the downstream light, the OLT is not synchronized with the ONU, the ONU does not parse the downstream light, manual restart, automatic software restart, or the like.

For example, the information recorded by the optical communication apparatus when the operation is abnormal may be as shown in table 3 below:

TABLE 3

The network management equipment receives the information recorded by the optical communication device when the operation is abnormal, and can directly determine the reason of the fault of the optical communication device according to the recorded reason value, thereby improving the efficiency of positioning the fault.

And S102, the optical communication device sends the recorded at least one piece of operation information.

Accordingly, the network management device receives the at least one operation information.

After the optical communication device records the at least one piece of operation information, the optical communication device can actively report the at least one piece of operation information to the upper management system. For example, the OLT/ONU may report the at least one piece of operation information to the network management device, and the ONU may also report the at least one piece of operation information to the OLT. Specifically, the optical communication device may report according to a set period, or may trigger reporting based on a certain event, for example, reporting when the optical communication device finds that operation is abnormal, or reporting after the optical communication device is on-line.

The optical communication device may also report based on a query command of the upper management system. For example, the network management system issues a query command to the OLT/ONU, where the query command is used to instruct the optical communication device to report the operation information recorded by the optical communication device; for another example, the OLT issues the above-mentioned query command to the ONU.

S103, the network management equipment manages the optical communication device according to at least one piece of operation information of the optical communication device.

Taking the upper management system as the network management device, after the network management device receives at least one piece of operation information reported by the OLT/ONU, the OLT/ONU can be managed according to the at least one piece of operation information.

Specifically, the network management device may analyze the operation information for fault responsibility division, and perform operation and maintenance or fault prediction. For example, whether the optical communication device itself operates normally or whether an abnormality has occurred is determined by the operating voltage or the operating temperature of the optical communication device. Whether the insertion loss of an Optical Distribution Network (ODN) is abnormal or not can be determined by the transmitting and receiving optical powers of the OLT and the ONTs (OLT transmitting optical power P1-ONU receiving optical power P2= the downstream optical attenuation of the ODN optical path corresponding to the ONU, ONU transmitting optical power 3-OLT receiving optical power P4 of the ONT = the upstream optical attenuation of the ODN optical path corresponding to the ONU). For another example, whether the optical module is aged or not can be analyzed according to the variation trend of the laser emitted light power of the optical module.

In this embodiment, the optical communication apparatus records parameter information of the optical communication apparatus and/or key components during normal operation and/or information during abnormal operation, which is relatively low in implementation cost compared with the monitoring of the optical communication apparatus using OTDR. Compared with the current online network management equipment which can only obtain the result of the OLT or ONU disconnection, the reason is not clear, and fault removal and repair cannot be performed, in the embodiment, the network management equipment can obtain detailed information when the optical communication device normally operates and operates abnormally, responsibility distribution and fault prediction are performed on the fault, and the operation reliability of the passive optical network is improved.

Therefore, according to the method for monitoring the operation information of the optical network provided by the embodiment of the application, the optical communication device records the information during normal operation and abnormal operation and sends the detailed recorded operation information, so that the network management equipment can obtain the detailed information during normal operation and abnormal operation of the optical communication device, divide responsibility for faults and predict the faults, and improve the operation reliability of the passive optical network.

Referring to fig. 4, a schematic flow chart of another method for monitoring operation information of an optical network according to an embodiment of the present application is shown, where the method exemplarily includes the following steps:

s201, the optical communication device obtains a last detected parameter value of the optical communication device itself and/or at least one component of the optical communication device.

The optical communication device may periodically detect a parameter value of the optical communication device itself and/or at least one component of the optical communication device to obtain a last detected parameter value of the optical communication device itself and/or at least one component of the optical communication device.

The optical communication device may buffer the last detected parameter values of the optical communication device itself and/or at least one component of the optical communication device.

S202, if the last detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus is greater than or equal to the historical maximum parameter value of the parameter information of the optical communication apparatus and/or the at least one component of the optical communication apparatus, updating the historical maximum parameter value of the parameter information according to the last detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus.

The optical communication device also stores in a memory historical maximum parameter values of parameter information of the optical communication device itself and/or at least one component of the optical communication device.

The optical communication apparatus acquires a parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus which has been detected last time, acquires a historical maximum parameter value of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus from a memory, compares the parameter value of the optical communication apparatus itself which has been detected last time with the historical maximum parameter value of the parameter information of the optical communication apparatus itself, and updates the historical maximum parameter value of the parameter information of the optical communication apparatus itself in the memory if the parameter value of the optical communication apparatus itself which has been detected last time is greater than or equal to the historical maximum parameter value of the parameter information of the optical communication apparatus itself. Otherwise, the latest detected parameter value of the optical communication device in the cache is discarded, and the historical maximum parameter value of the parameter information of the optical communication device in the memory is not updated. The most recently detected parameter value of each component of the optical communication apparatus may be compared with the historical maximum parameter value of the parameter information of the corresponding component, and if the most recently detected parameter value of the component of the optical communication apparatus is greater than or equal to the historical maximum parameter value of the parameter information of the component, the historical maximum parameter value of the parameter information of the component of the optical communication apparatus in the memory may be updated. Otherwise, the last detected parameter value of the component in the cache is discarded.

Wherein the parameters of the optical communication device itself include at least one of: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device. The parameters of the at least one component of the optical communication device include at least one of: the temperature of the optical module, the current of the optical module, the emitted light power of the optical module, and the received light power of the optical module.

Specifically, the format of the historical maximum parameter value of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus stored in the memory is shown in table 2.

In addition, as a parallel or alternative to S202, the optical communication apparatus may further store in the memory historical minimum parameter values of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus.

The optical communication device acquires a parameter value of the optical communication device itself and/or at least one component of the optical communication device which has been detected last time, acquires a historical minimum parameter value of the parameter information of the optical communication device itself and/or at least one component of the optical communication device from a memory, compares the parameter value of the optical communication device itself which has been detected last time with the historical minimum parameter value of the parameter information of the optical communication device itself, and updates the historical minimum parameter value of the parameter information of the optical communication device itself in the memory if the parameter value of the optical communication device itself which has been detected last time is less than or equal to the historical minimum parameter value of the parameter information of the optical communication device itself. Otherwise, the latest detected parameter value of the optical communication apparatus in the cache is discarded, and the historical minimum parameter value of the parameter information of the optical communication apparatus in the memory is not updated. The most recently detected parameter value of each component of the optical communication device may be compared with the historical minimum parameter value of the parameter information of the corresponding component, and if the most recently detected parameter value of the component of the optical communication device is less than or equal to the historical minimum parameter value of the parameter information of the component, the historical minimum parameter value of the parameter information of the component of the optical communication device in the memory is updated. Otherwise, the last detected parameter value of the component in the cache is discarded. Specifically, the format of the historical minimum parameter value of the parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus stored in the memory is shown in table 2.

S203, the network management device sends a query command to the optical communication device, where the query command is used to instruct the optical communication device to report the operation information recorded by the optical communication device, and/or the query command includes a type of the operation information reported by the optical communication device.

Accordingly, the optical communication device receives the query command.

The network management equipment may send the query command to the optical communication device periodically or as needed. The network management equipment periodically acquires at least one piece of operation information recorded by the optical communication device to store the at least one piece of operation information, so as to perform fault responsibility division when the optical communication device is abnormal, or perform operation and maintenance or fault prediction. For another example, the network management device may send the query command to the optical communication apparatus after receiving the alarm information of the OLT/ONU, and may acquire at least one operation information of the OLT/ONU before the OLT/ONU is abnormal.

Specifically, the query command may include a type of operation information that needs to be reported by the optical communication apparatus. For example, the network management device may instruct the optical communication apparatus to report the operating voltage and the operating temperature of the optical module; or, the network management equipment may instruct the optical communication device to report the transmitting optical power and the receiving optical power of the optical module; or, the network management equipment may instruct the optical communication device to report its own temperature and voltage, and so on. The network management equipment and the optical communication device can pre-negotiate, predefine or pre-store the index number corresponding to the type of the operation information, so that the query command can only carry the index number corresponding to the type of the operation information to be reported, and the optical communication device can know which operation information needs to be reported after receiving the query command, thereby saving signaling overhead between the network management equipment and the optical communication device. For example, taking the example that the optical communication device records the historical maximum parameter values of the optical communication device itself and the key components, the corresponding relationship between the type of the operation information and the index number is shown in table 4 below:

TABLE 4

Index number (decimal system)	Type of running information
		0	Historical maximum temperature of optical communication device
1	Historical maximum voltage of optical communication device
		2	Historical maximum value of CPU occupancy rate of optical communication device
3	Historical maximum operating voltage of optical module
		4	Historical maximum temperature of optical module
5	Historical maximum current of optical module
		7	Historical maximum emitted optical power of optical module
8	Historical maximum received optical power of optical module

And S204, the optical communication device sends the recorded at least one piece of operation information.

Accordingly, the network management device receives the at least one piece of operation information.

And the optical communication device sends the inquired operation information to the network management equipment according to the inquiry command of the network management equipment. For example, the network management equipment queries the optical communication device for operation information with index number "7", that is, queries the historical maximum emitted optical power of the optical module. In the above step, the latest historical maximum transmission optical power is stored in the memory of the optical communication device, and the optical communication device transmits the historical maximum transmission optical power to the network management equipment.

Of course, the polling command may request polling of at least one operational information of the optical communication device itself or of at least one component of the optical communication device. The optical communication device may send the queried at least one operation information to the network management device simultaneously or respectively after acquiring the queried at least one operation information.

S205, the network management equipment manages the optical communication device according to at least one piece of operation information of the optical communication device.

After the network management equipment receives the at least one piece of operation information reported by the OLT/ONU, the OLT/ONU can be managed according to the at least one piece of operation information.

Specifically, the network management device may analyze the operation information for fault responsibility division, and perform operation and maintenance or fault prediction. For example, whether the optical communication device itself operates normally or whether an abnormality has occurred is determined by the operating voltage or the operating temperature of the optical communication device. Whether the insertion loss of the ODN is abnormal or not can be judged through the transmitting and receiving optical power of the OLT and the ONT. For another example, whether the optical module is aged or not can be analyzed according to the variation trend of the laser emitted light power of the optical module.

According to the method for monitoring the optical network operation information provided by the embodiment of the application, the optical communication device records the information during normal operation and abnormal operation and sends the detailed recorded operation information, so that the network management equipment can obtain the detailed information during normal operation and abnormal operation of the optical communication device, divide responsibility for faults and predict the faults, and the reliability of the operation of the passive optical network is improved.

Based on the same concept of the above optical network operation information monitoring method, as shown in fig. 5, the method is a schematic structural diagram of an optical communication device 400 provided in the embodiment of the present application, where the optical communication device 400 includes a recording unit 42 and a transmitting unit 43; a receiving unit 41 may also be included. Wherein:

a recording unit 42, configured to record at least one of the following operation information: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus in normal operation, information in abnormal operation; and a transmitting unit 43 for transmitting the recorded at least one operation information.

In a possible implementation, the recording unit 42 includes: an acquisition unit configured to acquire a parameter value of the optical communication apparatus itself and/or at least one component of the optical communication apparatus, which has been detected last time; an updating unit, configured to update a historical maximum parameter value of the parameter information according to the most recently detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus, if the most recently detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus is greater than or equal to the historical maximum parameter value of the parameter information of the optical communication apparatus and/or the at least one component of the optical communication apparatus; and/or the updating unit is configured to update the historical minimum parameter value of the parameter information according to the last detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus, if the last detected parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus is less than or equal to the historical minimum parameter value of the optical communication apparatus and/or the at least one component of the optical communication apparatus.

In yet another possible implementation, the receiving unit 41 is configured to receive an inquiry command from a network management device or an optical line terminal, where the inquiry command is used to instruct the optical communications apparatus to report the operation information recorded by the optical communications apparatus, and/or the inquiry command includes a type of the operation information reported by the optical communications apparatus.

For the specific implementation of the receiving unit 41, the recording unit 42 and the sending unit 43, reference may be made to the related description of the optical communication apparatus in the embodiment shown in fig. 3 or fig. 4.

According to the optical communication device provided by the embodiment of the application, the optical communication device records information during normal operation and abnormal operation and sends detailed recorded operation information, so that network management equipment can obtain the detailed information during normal operation and abnormal operation of the optical communication device, responsibility distribution and fault prediction are carried out on faults, and the reliability of the operation of a passive optical network is improved.

Based on the same concept of the foregoing optical network operation information monitoring method, as shown in fig. 6, it is a schematic structural diagram of a network management device 500 provided in this embodiment, where the network management device 500 includes a receiving unit 52 and a processing unit 53; a transmitting unit 51 may also be included. Wherein:

a receiving unit 52, configured to receive at least one piece of operation information: parameter information of the optical communication apparatus itself and/or at least one component of the optical communication apparatus during normal operation, information during abnormal operation; and a processing unit 53 for managing the optical communication apparatus according to at least one operation information of the optical communication apparatus.

In a possible implementation, the sending unit 51 is configured to send, to the optical communication apparatus, an inquiry command, where the inquiry command is used to instruct the optical communication apparatus to report the operation information recorded by the optical communication apparatus, and/or the inquiry command includes a type of the operation information reported by the optical communication apparatus.

For specific implementation of the sending unit 51, the receiving unit 52 and the processing unit 53, reference may be made to the related description of the network management device in the embodiment shown in fig. 3 or fig. 4.

According to the network management equipment provided by the embodiment of the application, the network management equipment receives the information recorded by the optical communication device during normal operation and abnormal operation, so that the network management equipment can obtain the detailed information of the optical communication device during normal operation and abnormal operation, perform responsibility division and fault prediction on faults, and improve the reliability of the operation of the passive optical network.

Referring to fig. 7, a schematic structural diagram of an optical communication device 600 according to an embodiment of the present disclosure is shown, where the optical communication device 600 may include: an optical module 61, and a processor and/or MAC chip 62 coupled to the optical module 61. The processor and/or MAC chip 62 is configured to perform some or all of the steps of any of the methods provided by the embodiments of the present application and performed by the optical communication device.

The processor may also call a computer program stored in the memory to perform part or all of the steps of any one of the methods performed by the optical communication apparatus in the embodiments of the present application.

The processor is also called a Central Processing Unit (CPU). In a particular application, the components of the optical communication device 600 are coupled together, for example, by a bus system. The bus system may include a power bus, a control bus, a status signal bus, and the like, in addition to the data bus. The processor may be an integrated circuit chip having signal processing capabilities. In some implementations, some or all of the steps of the above methods may be performed by instructions in the form of hardware, integrated logic circuits, or software in a processor. The processor may be a general purpose processor, a digital signal processor, an application specific integrated circuit, an off-the-shelf programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The processor may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in ram, flash memory, rom, prom, eprom, or registers, among other storage media as is well known in the art. The storage medium is located in a memory, for example, a processor can read information in the memory, and combine with hardware thereof to complete part or all of the steps of the method.

Please refer to fig. 8, which is a schematic structural diagram of a network management device 700 provided in an embodiment of the present application, where the network management device 700 includes: a processor 71 and a memory 72.

The processor 71 may include one or more processors, for example, one or more CPUs, and in the case of one CPU, the CPU may be a single-core CPU or a multi-core CPU.

The memory 72 is used for storing program codes and data of the network management device, and may be a separate device or integrated in the processor.

The memory 72 includes, but is not limited to, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM) for associated instructions and data.

The processor 71 is configured to call program instructions in the memory 72 to execute the method steps executed by the network management device in the embodiment shown in fig. 3 or fig. 4.

The present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by hardware, the computer program can implement part or all of the steps of any one of the methods provided in the present application and performed by an optical communication apparatus.

An embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by hardware, the computer program can implement part or all of the steps of any one of the methods provided in the embodiment of the present application and executed by a network management device.

The present application provides a computer program product, and when the computer program is executed by hardware, the computer program can implement part or all of the steps of any one of the methods provided by the embodiments of the present application and executed by an optical communication apparatus.

The embodiments of the present application provide a computer program product, and when the computer program is executed by hardware, the computer program can implement part or all of the steps of any one of the methods provided in the embodiments of the present application and executed by the network management device.

Embodiments of the present application also provide a computer-readable storage medium, where a computer program is stored, where the computer program is executed by hardware (for example, a processor, and the like) to implement part or all of steps of any method executed by any device in the embodiments of the present application.

Embodiments of the present application also provide a computer program product comprising instructions for causing a computer device to perform some or all of the steps of any one of the methods performed by any of the apparatuses in the embodiments of the present application when the computer program product runs on the computer device.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The procedures or functions according to the embodiments of the present application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital subscriber line) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The available media may be magnetic media (e.g., floppy disks, hard disks, magnetic tape), optical media (e.g., compact disks), or semiconductor media (e.g., solid-state hard disks), among others. In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the foregoing embodiments, the descriptions of the embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not executed. In addition, the indirect coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, and may be electrical or in other forms.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage media may include, for example: a variety of media that can store program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Claims

1. A method for monitoring operation information of an optical network, the method comprising:

the optical communication apparatus records the following operation information: parameter information of at least one component of the optical communication device in normal operation, the optical communication device further recording at least one of the following operational information: parameter information of the optical communication apparatus itself in normal operation, information in abnormal operation; the information in abnormal operation comprises at least one of the following information: time information and a reason value when the line is dropped for the last time, and time information and a reason value when the line is dropped for the ith time, wherein i is a positive integer greater than or equal to 2;

the optical communication device sends the recorded at least one operation information periodically or based on event triggering;

wherein the parameter information of the optical communication apparatus itself in normal operation includes at least one of: an initial parameter value of the optical communication device when the optical communication device is powered on, a parameter value of the optical communication device at a sending time of the parameter information, a parameter value of the optical communication device at a time immediately before the sending time of the parameter information, parameter values of the optical communication device at times 1 to n before the sending time of the parameter information, a parameter value of the optical communication device before the last connection drop of the optical communication device, and n and m are positive integers;

the parameter information of at least one component of the optical communication apparatus in normal operation includes: an initial parameter value of an optical module when the optical communication device is powered on, a parameter value of the optical module at a sending time of the parameter information, a parameter value of the optical module at a time immediately before the sending time of the parameter information, parameter values of the optical module at times 1 to n before the sending time of the parameter information, a parameter value of the optical module before the optical communication device has last dropped, and a parameter value of the optical module before the optical communication device has last dropped for m times.

2. The method of claim 1, wherein the optical communication device records parameter information of at least one component of the optical communication device during normal operation, comprising:

the optical communication device obtaining a last detected parameter value of at least one component of the optical communication device;

if the last detected parameter value of the at least one component of the optical communication device is larger than or equal to the historical maximum parameter value of the parameter information of the at least one component of the optical communication device, updating the historical maximum parameter value of the parameter information according to the last detected parameter value of the at least one component of the optical communication device; and/or

If the last detected parameter value of the at least one component of the optical communication device is less than or equal to the historical minimum parameter value of the at least one component of the optical communication device, updating the historical minimum parameter value of the parameter information according to the last detected parameter value of the at least one component of the optical communication device.

3. The method of claim 2, wherein the parameters of the optical communication device itself comprise at least one of: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device;

the parameters of the at least one component of the optical communication device include at least one of: the temperature of the optical module, the current of the optical module, the emitted light power of the optical module, and the received light power of the optical module.

4. The method according to any one of claims 1 to 3, wherein before the optical communication device sends the recorded at least one operation information, the method further comprises:

5. A method for monitoring operation information of an optical network, the method comprising:

the network management equipment receives the following operation information sent by the optical communication device periodically or based on event triggering: parameter information of at least one component of the optical communication device in normal operation, and also receiving at least one of the following operation information periodically or based on an event trigger sent by the optical communication device: parameter information of the optical communication apparatus itself in normal operation, information in abnormal operation; the information in abnormal operation comprises at least one of the following information: time information and a reason value when the line is dropped for the last time, and time information and a reason value when the line is dropped for the ith time, wherein i is a positive integer greater than or equal to 2;

the network management equipment manages the optical communication device according to at least one piece of operation information of the optical communication device;

wherein the parameter information of the optical communication apparatus itself in normal operation includes at least one of: when the optical communication device is powered on, initial parameter values of the optical communication device, parameter values of the optical communication device at the sending time of the parameter information, parameter values of the optical communication device at the time before the sending time of the parameter information, parameter values of the optical communication device at the first 1 to n times before the sending time of the parameter information, parameter values of the optical communication device before the last connection drop of the optical communication device, and n and m are positive integers;

the parameter information of at least one component of the optical communication device in normal operation includes: an initial parameter value of an optical module when the optical communication device is powered on, a parameter value of the optical module at a sending time of the parameter information, a parameter value of the optical module at a time immediately before the sending time of the parameter information, parameter values of the optical module at times 1 to n before the sending time of the parameter information, a parameter value of the optical module before the optical communication device has last dropped, and a parameter value of the optical module before the optical communication device has last dropped for m times.

6. The method of claim 5, further comprising: and the network management equipment sends a query command to the optical communication device, wherein the query command is used for indicating the optical communication device to report the running information recorded by the optical communication device, and/or the query command comprises the type of the running information reported by the optical communication device.

7. The method according to any one of claims 5 to 6, wherein the parameter information of the at least one component of the optical communication device in normal operation comprises a historical minimum parameter value of the at least one component of the optical communication device in normal operation or a historical maximum parameter value of the at least one component of the optical communication device in normal operation.

8. The method of claim 5, wherein the parameters of the optical communication device itself comprise at least one of: temperature of the optical communication device, voltage of the optical communication device, central Processing Unit (CPU) occupancy of the optical communication device;

9. An optical communication apparatus, comprising: at least one input, a signal processor and at least one output; the signal processor is used for the method as claimed in any one of claims 1 to 4.

10. A network management device, comprising a processor and a memory, wherein the memory stores program instructions; wherein the processor is configured to execute the program instructions to implement the method according to any one of claims 5 to 8.

11. A passive optical network monitoring system, comprising an optical communication apparatus according to claim 9 and a network management device according to claim 10.

12. A computer-readable storage medium, in which a computer program is stored, wherein the computer program, when being executed by hardware, is capable of implementing the method according to any one of claims 1 to 4.

13. A computer-readable storage medium, in which a computer program is stored, wherein the computer program, when being executed by hardware, is capable of implementing the method according to any one of claims 5 to 8.