WO2023216784A1

WO2023216784A1 - Abnormal equipment detection method, optical module and optical line terminal body

Info

Publication number: WO2023216784A1
Application number: PCT/CN2023/087173
Authority: WO
Inventors: 李博睿; 曾小飞
Original assignee: 华为技术有限公司
Priority date: 2022-05-09
Filing date: 2023-04-08
Publication date: 2023-11-16
Also published as: CN117082382A

Abstract

The present application provides an abnormal equipment detection method, an optical module and an optical line terminal body, and relates to the technical field of passive optical networks. The method is applied to any optical module in an optical line terminal, the optical module is in optical communication with at least one user equipment, and the method comprises: determining that abnormal equipment exists in the at least one user equipment, and the abnormal equipment is in an abnormal working state; obtaining the type of the abnormal equipment; if a working mode of the optical module is not matched with the type of the abnormal equipment, adjusting the working mode of the optical module to a working mode matching the type of the abnormal equipment; and in the working mode matching the type of the abnormal equipment, continuing to receive a signal from the at least one user equipment, the signal being used for determining an address of the abnormal equipment. According to the present application, the service of interrupting user equipment other than the at least one user equipment connected to the optical module is avoided, and the normal work of the other user equipment is ensured.

Description

Abnormal equipment detection methods, optical modules, optical line terminal bodies

This application requests the priority of the Chinese patent application submitted to the State Intellectual Property Office of China on May 9, 2022, with the application number 202210501407.7 and the application name "Abnormal Equipment Detection Method, Optical Module, Optical Line Terminal Main Body", all of which The contents are incorporated into this application by reference.

Technical field

The present application relates to the field of passive optical network technology, and in particular to a method for detecting abnormal equipment, an optical module, and an optical line terminal body.

Background technique

Passive optical network (PON) includes optical line termination (OLT), optical distribution network (ODN) and multiple optical network termination (ONT). OLT includes PON boards and optical modules. Furthermore, the OLT may include multiple PON boards. Each PON board carries out optical communication with user-side equipment through multiple optical modules, and each optical module can carry out optical communication with at least one user-side equipment.

Currently, when there is an abnormal device in an abnormal working state in at least one user-side device communicating with a certain PON board of the OLT, for example, when there is a customer premise equipment (CPE) working in Ethernet mode, The PON board on the OLT will instruct all user-side equipment connected to it to shut down. Moreover, after being instructed to shut down the user-side device, the PON board can determine the address of the abnormal device based on the information interaction between the user-side device and the PON board, so as to facilitate maintenance of the abnormal device based on the address.

However, this will cause all user-side equipment that optically communicates with the PON board to fail to work properly.

Contents of the invention

This application provides a method for detecting abnormal equipment, an optical module, and an optical line terminal body. This application avoids interrupting the services of other user-side devices except at least one user-side device connected to the optical module, and ensures that the other user-side devices can work normally. The technical solutions provided by this application are as follows:

In the first aspect, this application provides a method for detecting abnormal equipment. The method is applied to any optical module in the optical line terminal, and the optical module performs optical communication with at least one user-side device. The method includes: determining that there is an abnormal device in at least one user-side device and that the abnormal device is in an abnormal working state; obtaining the type of the abnormal device; if the working mode of the optical module does not match the type of the abnormal device, adjusting the working mode of the optical module to The working mode matches the type of the abnormal device; in the working mode matching the type of the abnormal device, continue to receive a signal from at least one user-side device, and the signal is used to determine the address of the abnormal device.

In the abnormal device detection method provided by this application, when the optical module performs optical communication with at least one user-side device, the optical module can determine that there is an abnormal device in the at least one user-side device, obtain the type of the abnormal device, and In the working mode that matches the type of the abnormal device, continuing to receive signals from at least one user-side device can facilitate determining the address of the abnormal device based on the signal. Moreover, to perform the above operations through an optical module, you only need to operate at least one user-side device that performs optical communication with the optical module. There is no need to operate all user-side devices connected to the main body of the optical line terminal connected to the optical module, and there is no need to turn off the optical module. All user-side equipment connected to the main body of the optical line terminal connected to the module should be avoided. It avoids interrupting the business of other user-side equipment, ensuring that the other user-side equipment can work normally, effectively reducing the impact on the business of the optical network terminal connected to the main body of the optical line terminal connected to the optical module, and conducive to Improve user experience.

In an implementation manner, the optical module includes: a signal processor. Then, the type of the abnormal device is obtained, including: determining the type of the abnormal device based on the working status of the signal processor. The working status is used to indicate whether the signal processor is working in a normal state or an abnormal state. For example, when the working status indicates that the signal processor is working in a normal state, the type of abnormal device is PON equipment; when the working status indicates that the signal processor is working in an abnormal state, the type of abnormal device is other types of equipment except PON equipment. , other types of devices include Ethernet devices.

Among them, the signal processor working in an abnormal state has one or more of the following manifestations: the signal processor cannot perform clock recovery on the received signal, the equalizer coefficient of the signal processor does not converge, and the signal judged by the signal processor is wrong. .

After determining that an abnormal device exists in at least one user-side device that is in optical communication with the optical module, the optical module can send type information to the optical line terminal body to inform the optical line terminal body of the type of the abnormal device, so that the optical line terminal body can act according to the The type information determines whether the working mode of the optical module matches the type of the abnormal device.

After receiving the type information sent by the optical module, the optical line terminal body can obtain the working mode of the optical module, and determine whether the working mode of the optical module matches the type of the abnormal device based on the type information and the working mode of the optical module. In an implementation manner, the types of abnormal devices include: PON devices or other types of devices except PON devices, and other types of devices include Ethernet devices. At this time, the implementation method of determining whether the working mode of the optical module matches the type of the abnormal device includes: when the type indicates that the abnormal device is a PON device, determining whether the working mode of the optical module matches the type of the abnormal device, and when the type indicates that the abnormal device is When using other types of equipment, it is determined that the working mode of the optical module does not match the type of abnormal equipment.

After determining that the working mode of the optical module does not match the type of the abnormal device, the optical line terminal body can send an adjustment instruction to the optical module, so that the optical module adjusts the working mode of the optical module to match the type of the abnormal device according to the adjustment instruction. Working mode so that the optical module can correctly receive signals sent by abnormal devices in the adjusted working mode. The working mode that matches the type of the abnormal device may be the working mode of the abnormal device, or may be other working modes that enable the optical module to correctly receive signals sent by the abnormal device.

At this time, if the working mode of the optical module does not match the type of the abnormal device, adjust the working mode of the optical module to a working mode that matches the type of the abnormal device, including: adjusting based on the type information sent by the optical line terminal body after receiving When issuing an instruction, it is determined that the working mode of the optical module does not match the type of the abnormal device, and the working mode of the optical module is adjusted to a working mode that matches the type of the abnormal device.

In another possible implementation, if the working mode of the optical module does not match the type of the abnormal device, the working mode of the optical module is adjusted to a working mode that matches the type of the abnormal device, including: if the working mode of the optical module matches the type of the abnormal device, If the type of the abnormal device does not match, the operating mode of the optical module is automatically adjusted to the working mode that matches the type of the abnormal device.

Optionally, after continuing to receive signals from at least one user-side device in an operating mode matching the type of the abnormal device, the method further includes: forwarding the signal to the optical line terminal body in the optical line terminal, so that the optical line The terminal subject determines the address of the abnormal device based on this signal.

In an implementable manner, when the optical module receives a signal in the adjusted working mode, the optical module forwards the signal to the optical line terminal body, which may include: the optical module converts the signal into a signal in the PON working mode, and forwards the signal to the main body of the optical line terminal. The main body of the optical line terminal forwards signals in the PON working mode.

In this way, the main body of the optical line terminal can still work in the PON working mode, that is, the main body of the optical line terminal does not need to follow the optical module to adjust the working mode. Moreover, since the optical line terminal body can be connected to multiple optical modules, when the optical line terminal body does not need to follow the optical module to adjust the working mode, the optical line terminal body can still communicate normally with user-side equipment connected to other optical modules, further ensuring User-side equipment connected to other optical modules can work normally.

In an implementation manner, if the optical module includes: a signal processor, and two or more signal generators, And one of the two or more signal generators is used to generate a clock signal of the first frequency. If the clock signal of the first frequency matches the type of the abnormal device, then the working mode of the optical module is adjusted to match the type of the abnormal device. The matching working mode includes: providing a first frequency clock signal to the signal processor.

Optionally, the optical module may determine that there is an abnormal device in at least one user-side device that performs optical communication with the optical module when the status of the received signal is different from the status of the signal under normal circumstances. For example, because the abnormal device will continue to emit light, when there is no abnormal device in the at least one user-side device, the optical module will not receive the continuous signal generated by the continuous light emission. When there is an abnormal device in the at least one user-side device, , the optical module will receive continuous signals generated by continuous light emission. Therefore, determining that an abnormal device exists in at least one user-side device includes: determining that an abnormal device exists in at least one user-side device when receiving a continuous signal from the user-side device.

In the second aspect, this application provides a method for detecting abnormal equipment. This method is applied to any optical line terminal body in the optical line terminal. The method includes: obtaining the working mode of the optical module; receiving type information sent by the optical module, the type information is used to indicate the type of an abnormal device, the abnormal device is one of at least one user-side device that performs optical communication with the optical module, and the abnormal device The device is in an abnormal working state; if the working mode of the optical module does not match the type of the abnormal device, an adjustment command is sent to the optical module. The adjustment command is used to instruct the working mode of the optical module to be adjusted to a working mode that matches the type of the abnormal device.

In the abnormal device detection method provided by this application, the optical line terminal body can send an adjustment instruction to the optical module according to the type information and the working mode of the optical module, so that the optical module adjusts the working module to the type of the abnormal device according to the adjustment instruction. Match the working mode, and receive the signal of the abnormal device in the working mode that matches the type of the abnormal device, so as to determine the address of the abnormal device based on the signal.

Since signals sent by abnormal devices and signals sent by normally working user-side devices interfere with each other, after the optical line terminal body receives the type information sent by the optical module, the method also includes: controlling at least one user-side device to stop communicating with the optical module. module communication.

In one implementation, controlling at least one user-side device to stop communicating with the optical module includes: sending a shutdown instruction to at least one user-side device, where the shutdown instruction is used to instruct to shut down at least one user-side device.

In another implementation, controlling at least one user-side device to stop communicating with the optical module includes: stopping authorization to at least one user-side device.

In a third aspect, this application provides an optical module. The optical module is deployed in the optical line terminal, and the optical module performs optical communication with at least one user-side device. The optical module includes: a determining module, used to determine that there is an abnormal device in at least one user-side device, and the abnormal device is in an abnormal working state; an obtaining module, used to obtain the type of the abnormal device; and an adjusting module, used to determine the working mode of the optical module does not match the type of the abnormal device, adjust the working mode of the optical module to a working mode that matches the type of the abnormal device; the receiving module is used to continue to receive data from at least one user side in the working mode that matches the type of the abnormal device. The signal of the device is used to determine the address of the abnormal device.

Optionally, the optical module includes: a signal processor and an acquisition module, specifically configured to: determine the type of abnormal equipment based on the working status of the signal processor. The working status is used to indicate that the signal processor is working in a normal state or an abnormal state.

Optionally, when the working status indicates that the signal processor is working in a normal state, the type of the abnormal device is a PON device; when the working status indicates that the signal processor is working in an abnormal state, the type of the abnormal device is other types except PON equipment. devices, other types of devices include Ethernet devices.

Optionally, the optical module also includes: a sending module, used to send type information to the optical line terminal body in the optical line terminal, and the type information is used to indicate the type of the abnormal device; an adjustment module, specifically used to: after receiving the optical line When the terminal body sends an adjustment instruction based on the type information, it is determined that the working mode of the optical module does not match the type of the abnormal device, and the working mode of the optical module is adjusted to a working mode that matches the type of the abnormal device.

Optionally, the adjustment module is specifically configured to: if the working mode of the optical module does not match the type of the abnormal device, spontaneously adjust the working mode of the optical module to a working mode that matches the type of the abnormal device.

Optionally, the type includes: PON equipment or other types of equipment except PON equipment. Other types of equipment include Ethernet equipment; when the type indicates that the abnormal device is a PON device, the working mode of the optical module matches the type of the abnormal device; When the type indicates that the abnormal device is another type of device, the working mode of the optical module does not match the type of the abnormal device.

Optionally, the optical module further includes: a sending module, configured to forward signals to the optical line terminal body in the optical line terminal.

Optionally, the sending module is specifically used to: convert the signal into a PON working mode signal, and forward the PON working mode signal to the optical line terminal body.

Optionally, the optical module includes: a signal processor, and two or more signal generators. One of the two or more signal generators is used to generate a clock signal of the first frequency. The clock signal matches the type of the abnormal device, and the adjustment module is specifically used to: provide a clock signal of the first frequency to the signal processor.

Optionally, the determining module is specifically configured to: determine that an abnormal device exists in at least one user-side device when receiving continuous signals from the user-side device.

In the fourth aspect, this application provides an optical line terminal body. The optical line terminal body is deployed in the optical line terminal. The optical line terminal body includes: an acquisition module for acquiring the working mode of the optical module; a receiving module for receiving Type information sent by the optical module. The type information is used to indicate the type of the abnormal device. The abnormal device is one of at least one user-side device that performs optical communication with the optical module, and the abnormal device is in an abnormal working state; the sending module is used if If the working mode of the optical module does not match the type of the abnormal device, an adjustment instruction is sent to the optical module. The adjustment instruction is used to instruct the working mode of the optical module to be adjusted to a working mode that matches the type of the abnormal device.

Optionally, the optical line terminal body further includes: a control module, configured to control at least one user-side device to stop communicating with the optical module.

Optionally, the control module is specifically configured to: send a shutdown instruction to at least one user-side device, where the shutdown instruction is used to instruct to shut down at least one user-side device.

Optionally, the control module is specifically configured to: stop authorizing at least one user-side device.

In a fifth aspect, this application provides an optical module, including a memory and a signal processor. The memory stores program instructions, and the signal processor runs the program instructions to execute the first aspect of this application and any possible implementation thereof. Methods.

In a sixth aspect, the present application provides an optical line terminal body, including a memory and a processing component. The memory stores program instructions, and the processing component runs the program instructions to execute the second aspect of the present application and any possible implementation thereof. Methods.

In a seventh aspect, the application provides a computer-readable storage medium. The computer-readable storage medium is a non-volatile computer-readable storage medium. The computer-readable storage medium includes program instructions. When the program instructions are stored on a computer device, When running, the computer device is caused to execute the method provided in the first aspect, the second aspect and any possible implementation manner of this application.

In the eighth aspect, the present application provides a computer program product containing instructions. When the computer program product is run on a computer, it causes the computer to execute the instructions provided in the first aspect, the second aspect of the present application, and any possible implementation manner thereof. Methods.

Description of the drawings

Figure 1 is a schematic diagram of an application scenario involved in an abnormal device detection method provided by an embodiment of the present application;

Figure 2 is a schematic structural diagram of an optical line terminal provided by an embodiment of the present application;

Figure 3 is a schematic structural diagram of an optical module provided by an embodiment of the present application;

Figure 4 is a schematic structural diagram of another optical module provided by an embodiment of the present application;

Figure 5 is a schematic structural diagram of another optical module provided by an embodiment of the present application;

Figure 6 is a schematic structural diagram of an optical line terminal body provided by an embodiment of the present application;

Figure 7 is a flow chart of a method for detecting abnormal equipment provided by an embodiment of the present application;

Figure 8 is a flow chart of a method for detecting abnormal equipment provided by an embodiment of the present application;

Figure 9 is a logical block diagram of an optical module provided by an embodiment of the present application;

Figure 10 is a logical block diagram of another optical module provided by an embodiment of the present application;

Figure 11 is a logical block diagram of an optical line terminal body provided by an embodiment of the present application;

Figure 12 is a logical block diagram of another optical line terminal body provided by an embodiment of the present application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

Figure 1 is a schematic diagram of an application scenario involved in an abnormal device detection method provided by an embodiment of the present application. As shown in Figure 1, this application scenario includes: optical line terminal 200 and user-side equipment 300. The optical line terminal 200 includes an optical line terminal body 201 and an optical module 202. Among them, the optical line terminal 200 refers to a network-side device that provides an optical access network. The user-side device 300 is a device used to connect to a user terminal in a passive optical network. The user terminal can access the network through the user-side device 300 . By cooperating with the optical line terminal 200, the user-side equipment 300 can provide various broadband services to user terminals connected thereto. In one implementation, the user-side device 300 may be an optical network terminal. For example, the user-side device 300 may be a device such as an "optical cat".

The optical line terminal 200 and the user-side equipment 300 are connected through an optical distribution network. The system including the optical line terminal 200, the user-side equipment 300 and the optical distribution network may be called a passive optical network. Furthermore, one optical line terminal 200 can be connected to multiple user-side devices 300 through an optical distribution network. At this time, the passive optical network is also called a point-to-multipoint passive optical network. In the downstream direction in which the optical line terminal 200 sends signals to the user-side equipment 300, the optical line terminal 200 sends signals to the user-side equipment 300 connected to it through broadcasting. After receiving the signal, each user-side equipment 300 can select from the signal. Your own content. In the upstream direction in which the user-side equipment 300 sends signals to the optical line terminal 200, each user-side equipment 300 communicates with the optical line in the form of burst packets within a designated time slot through time division multiplexing (TDM). The terminals 200 communicate, thereby avoiding collisions between various user-side devices 300.

As shown in FIG. 1 , the optical line terminal 200 includes at least one optical line terminal body 201 and a plurality of optical modules 202 . Each optical line terminal body 201 can be connected to a plurality of optical modules 202. The optical line terminal body 201 implements signal transmission and reception through the optical module 202. In the process of the optical line terminal body 201 sending signals, the signals sent by the optical line terminal body 201 to other devices (such as the user-side device 300) are transmitted to the optical module 202 in the form of electrical signals, and the optical module 202 converts the electrical signals into optical signals. signal, and then send out the light signal. In the process of the optical line terminal body 201 receiving signals, the signals sent by other devices (such as user-side equipment 300) to the optical line terminal body 201 are transmitted to the optical module 202 in the form of optical signals. The optical module 202 converts the optical signals into electrical signals. signal, and then transmits the electrical signal to the optical line terminal body 201.

In the embodiment of the present application, the optical line terminal body 201 and the optical module 202 can exist in various forms. In one implementation, the optical module 202 can be independent of the optical line terminal body 201, and the optical module 202 can be externally connected to the optical line terminal body 201 through a PON port that exists in a physical form. For example, the optical line terminal body 201 may be a PON board, the PON port may be a slot on the PON board, and the optical module 202 may be inserted into the slot. Moreover, the PON board may have multiple PON ports, and each optical module 202 is connected to the PON board through a PON port. At this time, the optical module 202 and The whole optical line terminal body 201 with the optical module 202 connected thereto is called the optical line terminal 200, and the components (such as signal processors and optical components) used to implement the functions of the optical module 202 are located inside the optical module 202.

Passive optical networks can be obtained based on the hardware of point-to-point (P2P) Ethernet and other networks by replacing equipment, switching connections and adjusting the working mode of equipment. However, there will be a situation, that is, during the handover process, the user-side equipment in the original network may not be replaced with the user-side equipment working in the PON operating mode (ie, the optical network terminal). For example, the customer premise equipment (CPE) of the P2P Ethernet network was not replaced with TDM-PON customer terminal equipment in time. Since user-side devices working in different working modes send signals at different rates, and for signals at different rates, the clock signals required for the processing components in the optical line terminal body 201 to analyze signals have different frequencies. Therefore, when the PON When an optical network terminal is connected to a user-side device working in other working modes, the processing component cannot parse signals of two different rates at the same time. For example, when a CPE is connected to the PON, since the CPE is a long-term light-emitting device, the optical line terminal body 201 will continuously receive the CPE signal. The CPE signal will interfere with the signal of the optical network terminal, and the processing components cannot simultaneously Analyze CPE signals and optical network terminal signals. As a result, the services of all optical network terminals connected to the optical line terminal body 201 connected to the CPE will be affected. Therefore, it is necessary to determine the user-side equipment working in other working modes in the PON and isolate the user-side equipment offline to ensure that the services of all optical network terminals connected to the optical line terminal 200 can be carried out normally.

This impact is on the currently widely deployed gigabit-capable-passive optical network (GPON), 10G symmetric mode GPON (XG-PON) and 10G asymmetric mode GPON (XGS-PON), etc. The performance is especially obvious in PON. In GPON/XG-PON/XGS-PON, each optical network terminal complies with the PON protocol of the International Telecommunication Union Telecommunications Standards Bureau (ITU-T) system, and its rates are 1.244 gigabit per second (Gbps). )/2.488Gbps/9.953Gbps and other PON rates. The frequency of the clock signal required for the operation of the processing component 2011 is 155.52 megahertz (MHz). In P2P Ethernet networks, user-side devices working in Ethernet working mode comply with the 802.3 system Ethernet protocol, and its rates are Ethernet rates such as 1.25Gbps/10.3125Gbps. The frequency of the clock signal required for the operation of the processing component is 156.25MHz. Therefore, the passive optical network involved in the embodiment of the present application may be a passive optical network that complies with the PON protocol of the ITU-T system, such as GPON/XG-PON/XGS-PON.

Among them, since user-side equipment working in other working modes will affect PON services, it is called abnormal equipment, that is, user-side equipment in an abnormal working state. The other working modes are working modes other than the PON working mode. For example, in PON, user-side equipment such as CPE working in Ethernet working mode can be called abnormal equipment. In addition, optical network terminals that work in PON operating mode and malfunction will also affect PON services and can also be called abnormal devices.

In the embodiment of the present application, when the optical module performs optical communication with at least one user-side device, the optical module can determine that there is an abnormal device in the at least one user-side device, obtain the type of the abnormal device, and communicate with the abnormal device. In the type-matching working mode, continuing to receive signals from at least one user-side device can facilitate determining the address of the abnormal device based on the signal. Moreover, to perform the above operations through an optical module, you only need to operate at least one user-side device that performs optical communication with the optical module. There is no need to operate all user-side devices connected to the main body of the optical line terminal connected to the optical module, and there is no need to turn off the optical module. All user-side equipment connected to the main body of the optical line terminal connected to the module avoids interrupting the services of other user-side equipment, ensuring that other user-side equipment can work normally, effectively reducing the number of optical line terminals connected to the optical module. The business impact of the main connected optical network terminal helps to improve user experience. The other user-side devices are user-side devices other than the at least one user-side device among the user-side devices connected to the optical line terminal body.

In one implementation, as shown in Figure 2, the optical line terminal body 201 includes: a processing component 2011. The processing component 2011 is used to determine the signals that need to be sent to other devices (such as optical network terminals), analyze the received signals from other devices (such as optical network terminals), and perform processing on the optical network terminals connected to the optical line terminal 200. Control, and control the working mode of the optical module 202, etc. In an implementable manner, the processing component 2011 may be a media access controller (media access controller, MAC) or general-purpose processor, such as central processing unit (CPU).

As shown in Figures 3 and 4, the optical module 202 includes: a signal processor 2021 and an optical component 2022. In the transmission direction of the optical line terminal 200, that is, when the optical line terminal body 201 sends signals to other devices through the optical module 202, the optical component 2022 is used to convert the electrical signal sent by the optical line terminal body 201 into an optical signal, and The optical signal is transmitted. In the receiving direction of the optical line terminal 200, that is, when other devices send signals to the optical line terminal body 201 through the optical module 202, the optical component 2022 is used to convert the optical signals received from other devices into electrical signals, and transmit them to the optical line terminal 201. The line terminal body 201 transmits this electrical signal.

The process of signal transmission between the optical line terminal body 201 and the optical component 2022 requires the participation of the signal processor 2021 . In one implementation, in the transmission direction of the optical line terminal 200, the signal processor 2021 is used as a driver to drive the optical component 2022 to convert electrical signals into optical signals. In the receiving direction of the optical line terminal 200, the signal processor 2021 is used to perform clock recovery, equalization processing, decoding, judgment and other operations on the electrical signal converted by the optical component 2022, so that the optical line terminal body 201 can receive Accurate electrical signals. Moreover, the signal processor 2021 can work in multiple working modes. For example, the signal processor 2021 can work in the Ethernet working mode and the PON working mode respectively at different times.

Optionally, the signal processor 2021 may be a dedicated signal processor and/or a general-purpose processor. The dedicated signal processor can be a digital signal processor (DSP), etc., and the general-purpose processor can be a CPU, etc. It should be noted that, as shown in Figure 4, when the signal processor 2021 is a general-purpose processor, the optical module 202 may also include a memory such as a memory 2023, which is used to store data and program instructions required for calculation by the general-purpose processor. wait. The signal processor 2021 runs program instructions to execute part or all of the functions of the optical module in the abnormal device detection method provided by the embodiment of the present application. Optionally, the memory 2023 may be read only memory (ROM). Moreover, as shown in FIG. 4 , when the signal processor 2021 is a general-purpose processor, the optical module 202 may also include other signal processing components 2024 , and the other signal processing components 2024 are used to cooperate with the general-purpose processor to process signals. For example, the other signal processing component 2024 may be an analog to digital converter (ADC) for converting analog signals into digital signals. At this time, the analog-to-digital converter can convert the signal output by the optical component 2022 into a digital signal, and store the digital signal in the read-only memory, and be read and processed by the general-purpose processor.

In one implementation, as shown in FIG. 3 , the optical module 202 may also include: a controller 2025 . The control signal sent by the optical line terminal body 201 to the optical module 202 may first be sent to the controller 2025, and the controller 2025 controls the corresponding components in the optical module 202 according to the control signal. For example, the controller 2025 can control the working process of the signal processor 2021. Optionally, the controller 2025 may be a microcontroller unit (MCU). Optionally, when the signal processor 2021 is a general-purpose processor, the optical module 202 may not include the controller 2025. At this time, the general processor can control the corresponding components in the optical module 202 according to the control signal.

Optionally, as shown in Figure 2, the optical line terminal body 201 may also include: a crystal oscillator 2012. The crystal oscillator 2012 is used to generate a basic clock signal for use by the processing component 2011. Moreover, the clock signal required for the operation of the signal processor 2021 can also be obtained based on the basic clock signal generated by the crystal oscillator 2012 .

In one implementation, as shown in Figures 3 and 4, optical module 202 may include signal generator 2026. The signal generator 2026 is used to generate a clock signal required for the operation of the signal processor 2021 based on the basic clock signal generated by the crystal oscillator 2012, and provide the clock signal to the signal processor 2021. Optionally, the crystal oscillator 2012 and the optical module 202 can be connected through a golden finger, and the basic clock signal can be transmitted to the optical module 202 through the golden finger, and then transmitted to the signal generator 2026. In one implementation, the signal generator 2026 may be a phase locked loop (PLL). Moreover, when the signal processor 2021 can work in multiple operating modes, the optical module 202 may also include one or more signal generators 2026.

When the optical module 202 includes a signal generator 2026, the signal generator 2026 can generate clock signals required for multiple working modes in time-sharing according to the basic clock signal, and provide the clock signal to the signal processor 2021. For example, assume that the signal processor 2021 works in the Ethernet working mode before time t1 and works in the PON working mode after time t1. The frequency of the clock signal required for Ethernet operating mode is 156.25MHz. The frequency of the clock signal required for this PON operating mode is 155.52MHz. Then the signal generator 2026 is used to generate a clock signal of 156.25 MHz or its multiplication frequency or frequency division frequency before time t1, and provide the clock signal to the signal processor 2021. After time t1, it is used to generate a clock signal of 155.52MHz or its multiplication frequency or division frequency, and provide the clock signal to the signal processor 2021.

As shown in FIGS. 3 and 4 , when the optical module 202 includes multiple signal generators 2026 , the multiple signal generators 2026 are respectively used to generate clock signals of multiple frequencies. The clock signals of multiple frequencies are respectively connected with multiple signal generators. Corresponding to each working mode, the clock signal of each frequency is used to support the signal processor 2021 to work in the corresponding working mode. At this time, as shown in Figures 3 and 4, the optical module 202 also includes: a signal gating component 2027. The signal gating component 2027 is used to gate the clock signals generated by the plurality of signal generators 2026 and provide the gated clock signals to the signal processor 2021. Moreover, the selection process of the clock signal by the signal gating component 2027 can be controlled by the controller 2025.

For example, assume that the signal processor 2021 works in the Ethernet working mode before time t1 and works in the PON working mode after time t1. The frequency of the clock signal required for Ethernet operating mode is 156.25MHz. The frequency of the clock signal required for this PON operating mode is 155.52MHz. As shown in Figure 4, the optical module 202 includes two signal generators 2026. One of the two signal generators 2026 is used to generate a clock signal of 156.25 MHz or its multiple frequency or division frequency based on the basic clock signal. The other of the two signal generators 2026 is used to generate a clock signal of 155.52 MHz or its multiple frequency or division frequency based on the basic clock signal. The signal gating component 2027 is used to gate the clock signals generated by the two signal generators 2026, and provide a clock signal of 156.25MHz or its multiplication frequency or division frequency to the signal processor 2021 before time t1. After time t1, a clock signal of 155.52MHz or its multiple frequency or division frequency is provided to the signal processor 2021.

It should be noted that the clock signal required for the operation of the signal processor 2021 may not be obtained based on the basic clock signal generated by the crystal oscillator 2012 . For example, the optical module 202 may also include a crystal oscillator, which is used to generate a basic clock signal required for the signal processor 2021 to operate.

Optionally, as shown in FIG. 5 , the optical module 202 may also include: a signal conversion component 2028 . The signal conversion component 2028 is used to convert the signal processed by the signal processor 2021 into a PON operating mode signal, and forward the converted signal to the optical line terminal body 201. For example, when the optical line terminal body 201 works in the PON working mode and the signal processor 2021 works in the Ethernet working mode, the signal conversion component 2028 is used to convert the Ethernet signal processed by the signal processor 2021 into the PON working mode. signal, and forwards the PON working mode signal to the optical line terminal body 201. In an implementation manner, the signal conversion component 2028 can be an asynchronous first in first out (FIFO) component. The first-in-first-out component can realize conversion of the signal by performing a clock domain transition operation on the signal.

At this time, as shown in Figure 5, the optical module 202 may also include: a serializer-deserializer (SerDes) 2029. The signal converted by the signal conversion component 2028 can be forwarded to the optical line terminal body 201 through the serializer-deserializer 2029. The clock signal required for the operation of the serializer-deserializer 2029 can be provided by the signal generator 2026. Moreover, since the signal input by the serializer-deserializer 2029 is a converted signal, the serializer-deserializer 2029 and the optical line terminal body 201 can work in the same working mode. For example, if the serializer-deserializer 2029 and the optical line terminal body 201 both work in the PON working mode, the signal generator 2026 for generating the clock signal required for the PON working mode can provide the signal to the serializer-deserializer 2029. 2029 provides the clock signal. Optionally, the serializer-deserializer 2029 and the optical line terminal body 201 may be connected through a golden finger. Alternatively, signals can be transmitted between the serializer-deserializer 2029 and the optical line terminal body 201 through other methods such as the I2C bus, which is not specifically limited in the embodiment of this application.

It should be noted that the optical module 202 may not include the signal conversion component 2028. At this time, other devices in the optical module 202 may perform signal conversion operations. In one implementation, the signal conversion operation may be performed by the signal processor 2021. For example, when the signal processor 2021 is a general-purpose processor, the general-purpose processor may have the function of the signal conversion component 2028 . Alternatively, the signal conversion operation can also be performed by components in the optical line terminal body 201, which is not specifically limited in the embodiment of this application.

When the optical module 202 can convert the signal into a signal in the PON working mode, when the optical module 202 works in a mode other than the PON working mode, it can be ensured that the optical line terminal body 201 still works in the PON working mode, that is, the optical line The terminal body 201 does not need to follow the optical module 202 to adjust the working mode. Moreover, since the optical line terminal body 201 is connected to multiple optical modules 202, and each optical module 202 performs optical communication with at least one user-side device, when there is an abnormal device in at least one user-side device connected to a certain optical module 202, If the optical line terminal body 201 does not need to follow the optical module 202 to adjust the working mode, the optical line terminal body 201 can communicate normally with the user-side equipment connected to other optical modules 202, further ensuring that the user-side equipment connected to other optical modules 202 can operate normally. Work.

Optionally, the optical line terminal 200 may also include a passive optical network card, a gateway router, a voice gateway, an uplink card, etc., which are not specifically limited in the embodiment of this application.

Figure 6 is a schematic structural diagram of an optical line terminal body provided by an embodiment of the present application. As shown in Figure 6, the optical line terminal body 201 includes a processing component 2011, a crystal oscillator 2012, a memory 2013, a communication interface 2014 and a bus 2015. Among them, the optical module 202, the processing component 2011, the crystal oscillator 2012, the memory 2013, and the communication interface 2014 realize communication connections between each other through the bus 2015.

Processing component 2011 may include a general-purpose processor and/or a special-purpose hardware chip. General-purpose processors can include: central processing unit (CPU), microprocessor or graphics processing unit (GPU). The CPU is, for example, a single-core processor (single-CPU) or a multi-core processor (multi-CPU). A dedicated hardware chip is a high-performance processing hardware module. Specialized hardware chips include at least one of a digital signal processor, an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a network processor (NP) One item. The processing component 2011 may also be an integrated circuit chip with signal processing capabilities. During the implementation process, part or all of the functions of the optical line terminal body in the abnormal device detection method of this application can be completed by instructions in the form of hardware integrated logic circuits or software in the processing component 2011 .

The memory 2013 is used to store computer programs, which include an operating system 2013a and executable codes (ie, program instructions) 2013b. The memory 2013 is, for example, a read-only memory or other type of static storage device that can store static information and instructions, or a random access memory or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable memory device. Read memory, read-only disc or other optical disc storage, optical disc storage (including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store Without limitation, any other medium that represents the desired executable code in the form of instructions or data structures and can be accessed by a computer. For example, the memory 2013 is used to store outbound port queues, etc. The memory 2013 exists independently, for example, and is connected to the processing component 2011 through the bus 2015. Or the memory 2013 and the processing component 2011 are integrated together. The memory 2013 can store executable code. When the executable code stored in the memory 2013 is executed by the processing component 2011, the processing component 2011 is used to perform the operations performed by the optical line terminal body in the abnormal device detection method provided by the embodiment of the present application. The memory 2013 may also include operating systems and other software modules and data required for running processes.

The communication interface 2014 uses a transceiver module such as but not limited to a transceiver to realize communication between the optical line terminal body 201 and other devices or communication networks. For example, the communication interface 2014 may be any one or any combination of the following devices: a network interface (such as an Ethernet interface), a wireless network card, and other devices with network access functions.

The bus 2015 is any type of communication bus used to interconnect internal devices (eg, memory 2013, processing component 2011, communication interface 2014) of the optical line terminal body 201. For example, system bus. The embodiment of the present application takes the above-mentioned devices inside the optical line terminal body 201 as an example to be interconnected through the bus 2015. Optionally, the above-mentioned devices inside the optical line terminal body 201 communicate with each other using other connection methods besides the bus 2015. For example, the above-mentioned devices inside the optical line terminal body 201 are interconnected through logical interfaces inside the optical line terminal body 201 .

It should be noted that the multiple devices in the above-mentioned optical network terminal and optical line terminal can be respectively provided on independent chips, or at least part or all of them can be provided on the same chip. Whether each device is independently installed on different chips or integrated on one or more chips often depends on the needs of product design. The embodiments of this application do not limit the specific implementation forms of the above devices. The descriptions of the processes corresponding to each of the above drawings have different emphases. For parts that are not detailed in a certain process, you can refer to the relevant descriptions of other processes.

In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it may be implemented in whole or in part in the form of a computer program product. The computer program product that provides a program development platform includes one or more computer instructions. When these computer program instructions are loaded and executed on a computer device, the processes or functions of the abnormal device detection method provided by the embodiments of the present application are fully or partially implemented.

Furthermore, computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions may be transmitted over a wired connection from a website, computer, server or data center. (such as coaxial cable, optical fiber, digital subscriber line or wireless (such as infrared, wireless, microwave, etc.) to transmit to another website, computer, server or data center. The computer-readable storage medium stores information that provides a program development platform Computer program instructions.

It should be understood that the above content is an exemplary description of the application scenarios of the abnormal device detection method provided by the embodiment of the present application, and does not constitute a limitation on the application scenarios of the abnormal device detection method. Those of ordinary skill in the art will know that, As business requirements change, its application scenarios can be adjusted according to application requirements, and the embodiments of this application do not list them one by one.

The following describes the implementation process of the abnormal device detection method provided by the embodiment of the present application. In this method, when the working mode of the optical module does not match the type of the abnormal device, the working mode of the optical module needs to be switched to a working mode that matches the type of the abnormal device. Moreover, the optical module can switch working modes spontaneously or according to instructions from the optical line terminal body. The following will first describe the implementation process of the abnormal device detection method for the case where the optical module switches the working mode according to the instructions of the optical line terminal body. As shown in Figure 7, the implementation process may include the following steps:

Step 701: The optical module determines that there is an abnormal device in at least one user-side device with which it conducts optical communication. The abnormal device is a user-side device in an abnormal working state.

The optical module can determine that there is an abnormal device in at least one user-side device that performs optical communication with the optical module when the status of the received signal is different from the status of the signal under normal circumstances. For example, because the abnormal device will continue to emit light, when there is no abnormal device in the at least one user-side device, the optical module will not receive the continuous signal generated by the continuous light emission. When there is an abnormal device in the at least one user-side device, , the optical module will receive continuous signals generated by continuous light emission. Therefore, when the optical module receives continuous signals from the user-side device, it can determine that there is an abnormal device in the at least one user-side device. The normal situation is a situation where at least one user-side device is in a normal working state. Abnormal equipment is in abnormal working condition.

It should be noted that the optical line terminal body can also determine by itself that there is an abnormal device in the at least one user-side device. In an implementable manner, the optical line terminal body may determine that there is an abnormal device in the at least one user-side device when receiving an invalid signal from the optical module. Moreover, in order to avoid misjudgment, the optical line terminal body can also receive signals from When the cumulative duration of the invalid signal of the optical module reaches the duration threshold, it is determined that there is an abnormal device in the at least one user-side device. Among them, invalid signals can be represented by situations where the format or length of the signal does not meet the regulations, resulting in the signal being unable to be parsed.

Step 702: The optical module obtains the type of the abnormal device.

The optical module adjusts its working mode so that it can correctly receive signals sent by abnormal devices. At this time, the optical module can first obtain the type of the abnormal device, and adjust the working mode to one that matches the type of the abnormal device based on the type.

Optionally, the optical module can determine the type of abnormal device by itself. In an implementation manner, the optical module includes: a signal processor. Under normal circumstances, all devices in the passive optical network work in the PON working mode, that is, the signal processor also works in the PON working mode. When the abnormal device works in a working mode other than the PON working mode, the signal processor cannot Normal operation means that the signal processor works in an abnormal state. When the abnormal device works in the PON working mode, the signal processor can work normally, that is, the signal processor works in a normal state. Therefore, the optical module can determine the type of abnormal device based on the working status of the signal processor. Among them, the working state is used to indicate that the signal processor is working in a normal state or an abnormal state. For example, when the working status indicates that the signal processor is working in a normal state, the type of the abnormal device is a PON device. When the working status indicates that the signal processor is working in an abnormal state, the type of the abnormal device is other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment. Among them, the signal processor working in an abnormal state has one or more of the following manifestations: the signal processor cannot perform clock recovery on the received signal, the equalizer coefficient of the signal processor does not converge, and the signal judged by the signal processor is wrong. .

Alternatively, the optical module may obtain the type of the abnormal device based on information sent by other devices indicating the type of the abnormal device. For example, the optical line terminal body can determine the type of the abnormal device and send information indicating the type of the abnormal device to the optical module, so that the optical module obtains the type of the abnormal device. In an implementable manner, the optical line terminal body can obtain the working status of the signal processor in the optical module, and when the working status indicates that the signal processor is working in a normal state, determine that the type of the abnormal device is a PON device. Indicates that when the signal processor is working in an abnormal state, determine the type of the abnormal device to be other types of equipment except PON equipment.

Step 703: The optical module sends type information to the optical line terminal body. The type information is used to indicate the type of the abnormal device.

After determining that an abnormal device exists in at least one user-side device that is in optical communication with the optical module, the optical module can send type information to the optical line terminal body to inform the optical line terminal body of the type of the abnormal device. When the main body of the optical line terminal includes a processing component, the optical module actually sends type information to the processing component. Similarly, the signal interaction between the optical module and the optical line terminal body in the embodiment of the present application is the signal interaction between the optical module and the processing component. In one implementation, signals can be transmitted between the optical module and the optical line terminal body through the I2C bus, and the optical module can send type information to the optical line terminal body through the I2C bus.

It should be noted that the optical line terminal subject can also determine the type of abnormal equipment by itself. At this time, the optical module does not need to send type information to the optical line terminal body. For the implementation method of the optical line terminal body determining the type of the abnormal device, please refer to the relevant description in step 702, which will not be described again here.

Step 704: If the working mode of the optical module of the main body of the optical line terminal does not match the type of the abnormal device, send an adjustment instruction to the optical module. The adjustment instruction is used to instruct the working mode of the optical module to be adjusted to a working mode that matches the type of the abnormal device. .

After receiving the type information sent by the optical module, the optical line terminal body can obtain the working mode of the optical module, and determine whether the working mode of the optical module matches the type of the abnormal device based on the type information and the working mode of the optical module. In an implementable manner, determining whether the working mode of the optical module matches the type of the abnormal device includes: when the type indicates that the abnormal device is a PON device, determining that the working mode of the optical module matches the type of the abnormal device. If the type indicates that the abnormal device is another type of device, determine that the working mode of the optical module does not match the type of the abnormal device.

After determining that the working mode of the optical module does not match the type of abnormal device, the optical line terminal body can send a message to the optical module. Send an adjustment instruction so that the optical module adjusts the working mode of the optical module to a working mode that matches the type of abnormal device according to the adjustment instruction, so that the optical module can correctly receive the signal sent by the abnormal device in the adjusted working mode. The working mode that matches the type of the abnormal device may be the working mode of the abnormal device, or may be other working modes that enable the optical module to correctly receive signals sent by the abnormal device. For example, when the abnormal device works in the Ethernet working mode, the working mode matching the type of the abnormal device may be the Ethernet working mode. Optionally, the optical line terminal body can send adjustment instructions to the optical module through the I2C bus. Furthermore, when the optical module includes a controller, the optical line terminal body is used to send an adjustment instruction to the controller, and the controller is used to instruct components in the optical module to perform relevant operations for adjusting the working mode of the optical module according to the adjustment instruction.

If the working mode of the optical module matches the type of the abnormal device, there is no need to adjust the working mode of the optical module. At this time, the optical line terminal body does not need to send adjustment instructions to the optical module. Correspondingly, when the optical module does not receive an adjustment instruction sent by the optical line terminal body within a specified period of time, it can be determined that there is no need to adjust the working mode. Alternatively, when the working mode of the optical module matches the type of the abnormal device, the optical line terminal body can send a determination instruction to the optical module to notify the optical module that its working mode matches the type of the abnormal device. Correspondingly, when the optical module receives the confirmation instruction, it can be determined that there is no need to adjust the working mode. Optionally, the determination instruction can also be sent via the I2C bus.

It should be noted that since the signals sent by the abnormal equipment and the signals sent by the normally working user-side equipment will interfere with each other, when it is necessary to obtain the signals sent by the abnormal equipment, it is necessary to control the normal working user-side equipment to stop and the main body of the optical line terminal. communication. After the optical line terminal body receives the type information sent by the optical module, the optical line terminal body can control at least one user-side device to stop communicating with the optical module, so as to achieve the purpose of controlling the at least one user-side device to stop communicating with the optical line terminal body. In this way, normal user-side equipment will stop communicating with the optical module according to the control of the optical line terminal body, while abnormal equipment will still communicate with the optical module because it is not controlled by the optical line terminal body.

Optionally, the optical line terminal body controls at least one user-side device to stop communicating with the optical module, including: sending a shutdown instruction to at least one user-side device, where the shutdown instruction is used to instruct to shut down at least one user-side device. Normal user-side equipment will stop working after receiving the shutdown command, and will not send signals to the optical line terminal body. This achieves the purpose of controlling the user-side equipment to stop communicating with the optical line terminal body.

Alternatively, the optical line terminal body controls at least one user-side device to stop communicating with the optical module, including: stopping authorization to at least one user-side device. When the optical line terminal body does not authorize the user-side equipment, normal user-side equipment cannot send signals to the optical line terminal, thereby achieving the purpose of controlling the user-side equipment to stop communicating with the optical line terminal.

Step 705: When receiving the adjustment instruction sent by the optical line terminal body based on the type information, the optical module determines that the working mode of the optical module does not match the type of the abnormal device, and adjusts the working mode of the optical module to match the type of the abnormal device. Operating mode.

After receiving the adjustment instruction sent by the optical line terminal body, the optical module can determine that the working mode of the optical module does not match the type of the abnormal device, and adjust the working mode of the optical module to a working mode that matches the type of the abnormal device. Moreover, when the optical module includes a controller, the controller can make a decision to adjust the working mode of the optical module according to the adjustment instruction, and the controller instructs the relevant components in the optical module to perform relevant operations for adjusting the working mode of the optical module. . It should be noted that if the working mode of the optical module matches the type of the abnormal device, there is no need to perform step 705.

Optionally, the optical module includes: a signal processor. Adjusting the working mode of the optical module mainly refers to adjusting the working mode of the signal processor. In an implementation manner, the optical module further includes two or more signal generators, one of the two or more signal generators is used to generate a clock signal of the first frequency, and the clock signal of the first frequency Matches the type of unusual device. At this time, adjusting the working mode of the optical module to a working mode matching the type of the abnormal device includes: providing a clock signal of the first frequency to the signal processor. Optionally, when the optical module also includes a signal gating component, the optical module can switch the clock signal provided to the signal processor through the signal gating component to adjust the working mode of the optical module. For example, The signal gating component can control the signal generator that generates a clock signal of 155.52MHz or its multiplication frequency or division frequency, and provides the clock signal to the signal processor so that the optical module works in the PON operating mode. And the signal gating component can control the signal generator that generates the clock signal of 156.25MHz or its multiplication frequency or frequency division frequency, and provides the clock signal to the signal processor, so that the optical module works in the Ethernet working mode.

It should be noted that the optical module may also include a signal generator, which can generate clock signals required for multiple working modes in a time-sharing manner based on the basic clock signal, and provide the generated clock signal to the signal processor. For example, when the optical module needs to work in the Ethernet working mode, the signal generator is used to generate a clock signal of 156.25MHz or its multiplication frequency or frequency division frequency. When the optical module needs to work in the PON working mode, the signal generator is used Generate a clock signal of 155.52MHz or its multiple frequency or division frequency. Moreover, at this time, the optical module may not include a signal gating component.

Step 706: The optical module continues to receive signals from at least one user-side device in an operating mode that matches the type of the abnormal device. The signal is used to determine the address of the abnormal device.

After the normal user-side equipment stops communicating with the optical line terminal, the optical module can continue to receive signals from the user-side equipment, so as to determine the address of the abnormal device based on the signal. When the working mode of the optical module is adjusted to a working mode other than the PON working mode, the optical module can continue to receive signals from the user-side device in the adjusted working mode. For example, when the abnormal device works in the Ethernet working mode, the optical module can continue to receive signals from the user-side device in the Ethernet working mode. When the working mode of the optical module has not been adjusted, the optical module continues to receive signals from user-side equipment in the PON working mode.

Step 707: The optical module forwards the signal to the optical line terminal body.

In an implementable manner, when the optical module receives a signal in the adjusted working mode, the optical module forwards the signal to the optical line terminal body, which may include: the optical module converts the signal into a signal in the PON working mode, and forwards the signal to the main body of the optical line terminal. The main body of the optical line terminal forwards signals in the PON working mode. In this way, the main body of the optical line terminal can still work in the PON working mode, that is, the main body of the optical line terminal does not need to follow the optical module to adjust the working mode. Moreover, since the optical line terminal body can be connected to multiple optical modules, when the optical line terminal body does not need to follow the optical module to adjust the working mode, the optical line terminal body can still communicate normally with user-side equipment connected to other optical modules, further ensuring User-side equipment connected to other optical modules can work normally.

When the optical module includes a signal conversion component, the signal can be converted into a PON operating mode signal through the signal conversion component, and the converted signal can be forwarded to the optical line terminal body. For example, the signal conversion component can be an asynchronous first-in-first-out component. The first-in-first-out component can realize conversion of the signal by performing a clock domain transition operation on the signal. At this time, the optical module can also include: serializer-deserializer. The signal converted by the first-in first-out component can be forwarded to the optical line terminal body through the serializer-deserializer. Alternatively, when the signal processor is a general-purpose processor, the signal conversion operation may be performed by the general-purpose processor.

Step 708: The optical line terminal body determines the address of the abnormal device based on the signal.

After the optical line terminal body receives the signal forwarded by the optical module, it can analyze the signal to obtain the address of the abnormal device (such as MAC address). After obtaining the address of the abnormal device, the abnormal device can be controlled and isolated based on the address. For example, the user is notified to promptly replace or unplug the abnormal equipment, or the operation and maintenance personnel unplug the branch fiber of the abnormal equipment, etc.

It should be noted that the optical line terminal body may not determine the address of the abnormal device based on the signal. For example, the optical module or other device may determine the address of the abnormal device based on the signal. Moreover, when the optical module determines the address of the abnormal device based on the signal, the optical module may not forward the signal to the optical line terminal body, that is, there is no need to perform step 707. When the address of the abnormal device is determined by other devices based on the signal, the optical module can forward the signal to the other device.

The above method for detecting abnormal equipment is based on the situation where the optical module switches the working mode according to the instructions of the optical line terminal body. The implementation process of the method is explained. The following describes the implementation process of the abnormal device detection method for the case where the optical module spontaneously switches working modes. As shown in Figure 8, the implementation process may include the following steps:

Step 801: The optical module determines that there is an abnormal device in at least one user-side device with which it conducts optical communication. The abnormal device is a user-side device in an abnormal working state.

For the implementation process of step 801, please refer to the corresponding description in step 701, which will not be described again here.

Step 802: The optical module obtains the type of the abnormal device.

For the implementation process of step 802, please refer to the corresponding description in step 702, which will not be described again here.

It should be noted that after the optical module determines the type of the abnormal device, it can also send type information to the optical line terminal body. After receiving the type information, the optical line terminal body may also control at least one user-side device that is in optical communication with the optical module to stop communicating with the optical module. Moreover, the implementation method of controlling the at least one user-side device to stop communicating with the optical module may also refer to the relevant description in the aforementioned step 704.

Step 803: If the working mode of the optical module does not match the type of the abnormal device, the optical module spontaneously adjusts the working mode of the optical module to a working mode that matches the type of the abnormal device.

After determining the type of the abnormal device, the optical module can obtain the working mode of the optical module, and when the working mode of the optical module does not match the type of the abnormal device, it can spontaneously adjust the working mode of the optical module to match the type of the abnormal device. working mode. Moreover, when the optical module includes a controller, after determining that the working mode of the optical module does not match the type of the abnormal device, the controller can instruct the components in the optical module to perform related operations of adjusting the working mode of the optical module. Among them, for the implementation method of the optical module determining whether the working mode of the optical module matches the type of the abnormal device, and the implementation method of adjusting the working mode of the optical module, please refer to the relevant description in the aforementioned step 705 accordingly, and will not be described again here. Moreover, if the working mode of the optical module matches the type of the abnormal device, there is no need to perform step 803.

Step 804: The optical module continues to receive signals from at least one user-side device in an operating mode that matches the type of the abnormal device. The signal is used to determine the address of the abnormal device.

For the implementation process of step 804, please refer to the corresponding description in step 706, which will not be described again here.

Step 805: The optical module forwards the signal to the optical line terminal body.

For the implementation process of step 805, please refer to the corresponding description in step 707, which will not be described again here.

Step 806: The optical line terminal body determines the address of the abnormal device based on the signal.

For the implementation process of step 806, please refer to the corresponding description in step 708, which will not be described again here.

To sum up, in the abnormal device detection method provided by the embodiment of the present application, when the optical module performs optical communication with at least one user-side device, the optical module can determine that there is an abnormal device in the at least one user-side device, Obtaining the type of the abnormal device and continuing to receive signals from at least one user-side device in a working mode that matches the type of the abnormal device can facilitate determining the address of the abnormal device based on the signal. Moreover, to perform the above operations through an optical module, you only need to operate at least one user-side device that performs optical communication with the optical module. There is no need to operate all user-side devices connected to the main body of the optical line terminal connected to the optical module, and there is no need to turn off the optical module. All user-side equipment connected to the main body of the optical line terminal connected to the module avoids interrupting the services of other user-side equipment, ensuring that other user-side equipment can work normally, effectively reducing the number of optical line terminals connected to the optical module. The business impact of the main connected optical network terminal helps to improve user experience.

For example, an optical line terminal body is connected to 16 optical modules, and each optical module can connect 16-64 user-side devices. In order to detect abnormal user-side equipment, if all user-side equipment connected to the optical line terminal body through all optical modules is shut down, the services of hundreds or even thousands of user-side equipment will be affected. By adopting the abnormal device detection method provided by the embodiments of the present application, only the user-side equipment connected to one optical module will be affected, greatly reducing the number of affected user-side devices, allowing the main body of the optical line terminal to pass through other optical modules. All connected user-side devices can work normally, Effectively reduce the impact on the business of user-side equipment.

It should be noted that the sequence of the steps of the method for detecting abnormal equipment provided by the embodiments of the present application can be adjusted appropriately, and the steps can also be increased or decreased accordingly according to the situation. Any person familiar with the technical field can easily think of changing methods within the technical scope disclosed in this application, which should be covered by the protection scope of this application, and therefore will not be described again.

This application provides an optical module. The optical module can be deployed in optical line terminals. The optical module is used for optical communication with at least one user-side device. As shown in Figure 9, the optical module 90 includes:

The determination module 901 is used to determine that there is an abnormal device in at least one user-side device and that the abnormal device is in an abnormal working state.

Obtaining module 902 is used to obtain the type of abnormal device.

The adjustment module 903 is used to adjust the working mode of the optical module to a working mode that matches the type of the abnormal device if the working mode of the optical module does not match the type of the abnormal device.

The receiving module 904 is configured to continue to receive signals from at least one user-side device in a working mode that matches the type of the abnormal device, and the signal is used to determine the address of the abnormal device.

Optionally, the optical module includes: a signal processor. Then obtain module 902, which is specifically used to: determine the type of abnormal equipment based on the working status of the signal processor. The working status is used to indicate whether the signal processor is working in a normal state or an abnormal state.

Optionally, when the working status indicates that the signal processor is working in a normal status, the type of the abnormal device is a PON device. When the working status indicates that the signal processor is working in an abnormal state, the type of abnormal device is other types of equipment except PON equipment, and other types of equipment include Ethernet equipment.

Optionally, as shown in Figure 10, the optical module 90 also includes: a sending module 905, configured to send type information to the optical line terminal body in the optical line terminal, where the type information is used to indicate the type of the abnormal device.

Then the adjustment module 903 is specifically used to: when receiving the adjustment instruction sent by the optical line terminal body based on the type information, determine that the working mode of the optical module does not match the type of the abnormal device, and adjust the working mode of the optical module to match the type of the abnormal device. The type matches the working mode.

Optionally, the adjustment module 903 is specifically configured to: if the working mode of the optical module does not match the type of the abnormal device, spontaneously adjust the working mode of the optical module to a working mode that matches the type of the abnormal device.

Optionally, when the type includes: PON equipment or other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment, and when the type indicates that the abnormal device is PON equipment, the working mode of the optical module is consistent with the type of the abnormal device. Matching. When the type indicates that the abnormal device is another type of device, the working mode of the optical module does not match the type of the abnormal device.

Optionally, the sending module 905 is used to forward the signal to the optical line terminal body in the optical line terminal.

Optionally, the sending module 905 is specifically configured to: convert the signal into a PON working mode signal, and forward the PON working mode signal to the optical line terminal body.

Optionally, the optical module includes: a signal processor, and two or more signal generators. One of the two or more signal generators is used to generate a clock signal of the first frequency. When the clock signal matches the type of the abnormal device, the adjustment module 903 is specifically configured to: provide a clock signal of the first frequency to the signal processor.

Optionally, the determination module 901 is specifically configured to determine that an abnormal device exists in at least one user-side device when receiving continuous signals from the user-side device.

To sum up, in the optical module provided by the embodiment of the present application, when the optical module performs optical communication with at least one user-side device, the determining module can determine that there is an abnormal device in the at least one user-side device, and the obtaining module obtains Depending on the type of the abnormal device, the receiving module continues to receive signals from at least one user-side device in a working mode that matches the type of the abnormal device, which can facilitate determining the address of the abnormal device based on the signal. And, perform the above operations through the optical module, It is only necessary to operate at least one user-side device that is in optical communication with the optical module. There is no need to operate all the user-side devices connected to the main body of the optical line terminal connected to the optical module. There is no need to close the main body of the optical line terminal connected to the optical module. All user-side equipment avoids interrupting the business of other user-side equipment, ensuring that other user-side equipment can work normally, effectively reducing the business interruption of the optical network terminal connected to the main body of the optical line terminal connected to the optical module. Impact, helping to improve user experience.

This application provides an optical line terminal body. The optical line terminal body may be deployed in the optical line terminal. As shown in Figure 11, the optical line terminal body 110 includes:

The acquisition module 1101 is used to acquire the working mode of the optical module.

The receiving module 1102 is configured to receive type information sent by the optical module. The type information is used to indicate the type of the abnormal device. The abnormal device is one of at least one user-side device that performs optical communication with the optical module, and the abnormal device is in an abnormal working state. .

The sending module 1103 is used to send an adjustment instruction to the optical module if the working mode of the optical module does not match the type of the abnormal device. The adjustment instruction is used to instruct the working mode of the optical module to be adjusted to a working mode that matches the type of the abnormal device.

Optionally, as shown in Figure 12, the optical line terminal body 110 also includes: a control module 1104, used to control at least one user-side device to stop communicating with the optical module.

Optionally, the control module 1104 is specifically configured to: send a shutdown instruction to at least one user-side device, where the shutdown instruction is used to instruct to shut down at least one user-side device.

Optionally, the control module 1104 is specifically configured to: stop authorizing at least one user-side device.

Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the above-described devices and modules can be referred to the corresponding content in the foregoing method embodiments, and will not be described again here.

To sum up, in the optical line terminal body provided by the embodiment of the present application, the sending module can send an adjustment instruction to the optical module according to the type information and the working mode of the optical module, so that the optical module adjusts the working module to be consistent with the adjustment instruction. The abnormal device type matches the working mode, and receives the signal of the abnormal device in the working mode matching the abnormal device type, so as to determine the address of the abnormal device based on the signal.

Embodiments of the present application also provide a computer-readable storage medium. The computer-readable storage medium is a non-volatile computer-readable storage medium. The computer-readable storage medium includes program instructions. When the program instructions are run on a computer device At this time, the computer device is caused to execute the abnormal device detection method provided by the embodiment of the present application.

An embodiment of the present application also provides a computer program product containing instructions. When the computer program product is run on a computer, it causes the computer to execute the abnormal device detection method provided by the embodiment of the present application.

Those of ordinary skill in the art can understand that all or part of the steps to implement the above embodiments can be completed by hardware, or can be completed by instructing relevant hardware through a program. The program can be stored in a computer-readable storage medium. The above-mentioned The storage media mentioned can be read-only memory, magnetic disks or optical disks, etc.

In the embodiments of the present application, the terms "first", "second" and "third" are only used for description purposes and cannot be understood as indicating or implying relative importance. The term "at least one" refers to one or more, and the term "plurality" refers to two or more, unless expressly limited otherwise.

The term "and/or" in this application is just an association relationship describing related objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, alone There are three situations B. in addition, The character "/" in this article generally indicates that the related objects are an "or" relationship.

It should be noted that the information (including but not limited to user equipment information, user personal information, etc.), data (including but not limited to data used for analysis, stored data, displayed data, etc.) and signals involved in this application, All are authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data need to comply with relevant laws, regulations and standards of relevant countries and regions.

The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the concepts and principles of the present application shall be included in the protection of the present application. within the range.

Claims

A method for detecting abnormal equipment, characterized in that the method is applied to any optical module in an optical line terminal, and the optical module performs optical communication with at least one user-side device, and the method includes:

Determine that there is an abnormal device in the at least one user-side device, and the abnormal device is in an abnormal working state;

Obtain the type of the abnormal device;

If the working mode of the optical module does not match the type of the abnormal device, adjust the working mode of the optical module to a working mode that matches the type of the abnormal device;

In an operating mode matching the type of the abnormal device, continue to receive a signal from the at least one user-side device, where the signal is used to determine the address of the abnormal device.
The method according to claim 1, wherein the optical module includes: a signal processor, and obtaining the type of the abnormal device includes:

Based on the working status of the signal processor, the type of the abnormal device is determined, and the working status is used to indicate that the signal processor is working in a normal state or an abnormal state.
The method according to claim 2, characterized in that:

When the working state indicates that the signal processor is working in a normal state, the type of the abnormal device is a PON device;

When the working state indicates that the signal processor is working in an abnormal state, the type of the abnormal device is other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment.
The method according to claim 2 or 3, characterized in that, after determining the type of the abnormal device, the method further includes:

Send type information to the optical line terminal body in the optical line terminal, where the type information is used to indicate the type of the abnormal device;

If the working mode of the optical module does not match the type of the abnormal device, adjusting the working mode of the optical module to a working mode that matches the type of the abnormal device includes:

When receiving the adjustment instruction sent by the optical line terminal body based on the type information, it is determined that the working mode of the optical module does not match the type of the abnormal device, and the working mode of the optical module is adjusted to match the type of the abnormal device. The type of abnormal device described above matches the working mode.
The method according to any one of claims 1 to 3, characterized in that if the working mode of the optical module does not match the type of the abnormal device, the working mode of the optical module is adjusted to match the type of the abnormal device. The type of abnormal device matches the working mode, including:

If the working mode of the optical module does not match the type of the abnormal device, the working mode of the optical module is automatically adjusted to the working mode that matches the type of the abnormal device.
The method according to any one of claims 1 to 5, characterized in that the type includes: PON equipment or other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment;

When the type indicates that the abnormal device is a PON device, the working mode of the optical module matches the type of the abnormal device;

When the type indicates that the abnormal device is the other type of device, the working mode of the optical module does not match the type of the abnormal device.
The method according to any one of claims 1 to 6, characterized in that, after continuing to receive signals from the at least one user-side device in an operating mode matching the type of the abnormal device, the method further includes :

The signal is forwarded to an optical line terminal body in the optical line terminal.
The method according to claim 7, characterized in that forwarding the signal to the optical line terminal body in the optical line terminal includes:

The signal is converted into a PON operating mode signal, and the PON operating mode signal is forwarded to the optical line terminal body.
The method according to any one of claims 1 to 8, characterized in that the optical module includes: a signal processor, and two or more signal generators, the two or more signal generators One of them is used to generate a clock signal of a first frequency, the clock signal of the first frequency matches the type of the abnormal device, and the working mode of the optical module is adjusted to match the type of the abnormal device. working modes, including:

A clock signal of the first frequency is provided to the signal processor.
The method according to any one of claims 1 to 9, characterized in that determining that an abnormal device exists in the at least one user-side device includes:

When receiving continuous signals from the user-side device, it is determined that an abnormal device exists in the at least one user-side device.
A method for detecting abnormal equipment, characterized in that the method is applied to any optical line terminal body in the optical line terminal, and the method includes:

Obtain the working mode of the optical module;

Receive type information sent by the optical module, the type information is used to indicate the type of an abnormal device, the abnormal device is one of at least one user-side device that performs optical communication with the optical module, and the abnormal device In abnormal working condition;

If the working mode of the optical module does not match the type of the abnormal device, send an adjustment instruction to the optical module. The adjustment instruction is used to instruct the working mode of the optical module to be adjusted to that of the abnormal device. Type matching working mode.
The method according to claim 11, characterized in that, after receiving the type information sent by the optical module, the method further includes:

Control the at least one user-side device to stop communicating with the optical module.
The method according to claim 12, wherein the controlling the at least one user-side device to stop communicating with the optical module includes:

A shutdown instruction is sent to the at least one user-side device, where the shutdown instruction is used to instruct to shut down the at least one user-side device.
The method according to claim 12, wherein the controlling the at least one user-side device to stop communicating with the optical module includes:

Stop authorizing the at least one user-side device.
An optical module, characterized in that the optical module is deployed in an optical line terminal, and the optical module performs optical communication with at least one user-side device, and the optical module includes:

Determining module, used to determine that there is an abnormal device in the at least one user-side device, and the abnormal device is in an abnormal working state;

Obtaining module, used to obtain the type of the abnormal device;

An adjustment module, configured to adjust the working mode of the optical module to a working mode that matches the type of the abnormal device if the working mode of the optical module does not match the type of the abnormal device;

A receiving module, configured to continue to receive signals from the at least one user-side device in a working mode that matches the type of the abnormal device, where the signal is used to determine the address of the abnormal device.
The optical module according to claim 15, characterized in that the optical module includes: a signal processor, and the obtaining module is specifically configured to: determine the type of the abnormal device based on the working status of the signal processor. , the working state is used to indicate that the signal processor is working in a normal state or an abnormal state.
The optical module according to claim 16, characterized in that:

When the working state indicates that the signal processor is working in a normal state, the type of the abnormal device is a PON device;

When the working state indicates that the signal processor is working in an abnormal state, the type of the abnormal device is other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment.
The optical module according to claim 16 or 17, characterized in that the optical module further includes:

A sending module, configured to send type information to the optical line terminal body in the optical line terminal, where the type information is used to indicate the type of the abnormal device;

The adjustment module is specifically configured to: when receiving an adjustment instruction sent by the optical line terminal body based on the type information, determine that the working mode of the optical module does not match the type of the abnormal device, and adjust the The working mode of the optical module is adjusted to a working mode that matches the type of the abnormal device.
The optical module according to any one of claims 15 to 17, characterized in that the adjustment module is specifically configured to: if the working mode of the optical module does not match the type of the abnormal device, spontaneously adjust the The working mode of the optical module is adjusted to a working mode that matches the type of the abnormal device.
The optical module according to any one of claims 15 to 19, characterized in that the type includes: PON equipment or other types of equipment except PON equipment, and the other types of equipment include Ethernet equipment;

When the type indicates that the abnormal device is a PON device, the working mode of the optical module matches the type of the abnormal device;

When the type indicates that the abnormal device is the other type of device, the working mode of the optical module does not match the type of the abnormal device.
The optical module according to any one of claims 15 to 20, characterized in that the optical module further includes:

A sending module, configured to forward the signal to the optical line terminal body in the optical line terminal.
The optical module according to claim 21, characterized in that the sending module is specifically used to: convert the signal into a PON working mode signal, and forward the PON working mode signal to the optical line terminal body. .
The optical module according to any one of claims 15 to 22, characterized in that the optical module includes: a signal processor, and two or more signal generators, the two or more signal generators One of the processors is used to generate a clock signal of a first frequency, and the clock signal of the first frequency matches the type of the abnormal device. The adjustment module is specifically used to: provide the first frequency to the signal processor. A frequency clock signal.
The optical module according to any one of claims 15 to 23, characterized in that the determination module is specifically configured to: when receiving a continuous signal from the user-side device, determine that the at least one user-side device There is an abnormal device.
An optical line terminal body, characterized in that the optical line terminal body is deployed in the optical line terminal, and the optical line terminal body includes:

An acquisition module, used to acquire the working mode of the optical module;

A receiving module, configured to receive type information sent by the optical module, where the type information is used to indicate the type of an abnormal device, where the abnormal device is one of at least one user-side device that performs optical communication with the optical module, And the abnormal equipment is in abnormal working condition;

A sending module, configured to send an adjustment instruction to the optical module if the working mode of the optical module does not match the type of the abnormal device, and the adjustment instruction is used to instruct the working mode of the optical module to be adjusted to match the type of the abnormal device. The type of abnormal device matches the working mode.
The optical line terminal body according to claim 25, characterized in that the optical line terminal body further includes:

A control module configured to control the at least one user-side device to stop communicating with the optical module.
The optical line terminal body according to claim 26, characterized in that the control module is specifically configured to: send a shutdown instruction to the at least one user-side device, and the shutdown instruction is used to instruct the shutdown of the at least one user. side equipment.
The optical line terminal body according to claim 26, wherein the control module is specifically configured to stop authorizing the at least one user-side device.
An optical module is characterized in that it includes a memory and a signal processor, the memory stores program instructions, and the signal processor runs the program instructions to execute the method described in any one of claims 1 to 10.
An optical line terminal body is characterized in that it includes a memory and a processing component, the memory stores program instructions, and the processing component runs the program instructions to execute the method described in any one of claims 11 to 14.
A computer-readable storage medium, characterized in that it includes program instructions, which when the program instructions are run on a computer device, cause the computer device to execute the method according to any one of claims 1 to 14.
A computer program product, characterized in that, when the computer program product is run on a computer, it causes the computer to execute the method according to any one of claims 1 to 14.