WO2016150015A1 - 一种掉电告警的处理方法、装置及终端 - Google Patents

一种掉电告警的处理方法、装置及终端 Download PDF

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Publication number
WO2016150015A1
WO2016150015A1 PCT/CN2015/081568 CN2015081568W WO2016150015A1 WO 2016150015 A1 WO2016150015 A1 WO 2016150015A1 CN 2015081568 W CN2015081568 W CN 2015081568W WO 2016150015 A1 WO2016150015 A1 WO 2016150015A1
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interrupt signal
alarm
terminal
current interrupt
power
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PCT/CN2015/081568
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English (en)
French (fr)
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吴波
许煜芝
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中兴通讯股份有限公司
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Publication of WO2016150015A1 publication Critical patent/WO2016150015A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal

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  • This document relates to the field of terminal equipment, and in particular, to a method, a device and a terminal for processing a power failure alarm.
  • FTTH Fiber to the Home
  • ONU Optical Network Unit
  • the power failure alarm belongs to one of the categories. One of the messages.
  • the principle of this function is that in the process of power failure, when the system detects that the voltage is lower than a certain threshold range, the system needs to send a power failure alarm to the OLT in real time during the power failure period to inform the OLT itself. It is in the power down state.
  • the ONU does not have a true power failure, but it will report a large amount of alarm information to the OLT.
  • a large number of alarm messages have an impact on the OLT, and the ONU is not registered by the ONU.
  • the OLT is paralyzed, causing paralysis of the entire communication system.
  • the embodiment of the invention provides a method, a device and a terminal for processing a power failure alarm, which can improve the reliability and accuracy of the ONU power failure alarm by filtering the virtual power failure alarm, and reduce the impact on the OLT and enhance the optical network communication. System stability.
  • the method further includes:
  • the method further includes:
  • the preset time is not responded to all the interrupt signals within a preset time from the time when the current interrupt signal is acquired, wherein the preset time is a maximum hold time when the terminal voltage is pulled down when the terminal is in the maximum load state.
  • the step of determining whether the current interrupt signal is generated by a virtual power failure alarm comprises:
  • the step of determining whether the current interrupt signal is generated by a virtual power failure alarm comprises:
  • the system voltage dividing module of the terminal is in the voltage dividing working state, determining that the current interrupt signal is generated by the virtual power failure alarm; and the system voltage dividing module of the terminal is not in the voltage dividing working state And determining that the current interrupt signal is not generated by the virtual power down alarm.
  • the method further includes:
  • the timer is started to time the preset time.
  • the method further includes:
  • processing method further includes:
  • the interrupt processing function is entered to enable the interrupt bit of the power failure alarm.
  • the embodiment of the present invention further provides a processing device for a power failure alarm, including:
  • An acquisition module configured to obtain a current interrupt signal that is in a passive optical network system where the terminal is powered down;
  • the first processing module is configured to determine whether the current interrupt signal is generated by a virtual power-down alarm, and when the current interrupt signal is generated by a virtual power-down alarm, does not respond to the current interrupt signal.
  • processing device for the power failure alarm further includes:
  • the second processing module is configured to send a power-down alarm message when the current interrupt signal is not generated by a virtual power-down alarm.
  • processing device for the power failure alarm further includes:
  • the first processing submodule is configured to not respond to all interrupt signals within a preset time from the time when the current interrupt signal is acquired; wherein the preset time is when the terminal is in a maximum load state, the terminal voltage is Pull down the maximum hold time.
  • the first processing module includes:
  • a first detecting submodule configured to detect a duration in which the voltage of the terminal drops to a preset voltage range
  • the second detecting submodule is configured to detect whether the power supply voltage of the terminal has a power failure alarm when the duration is less than the preset time, and obtain a detection result;
  • a first determining submodule configured to: when the detection result is negative, determining that the current interrupt signal is generated by the virtual power down alarm; and when the detection result is yes, determining the current interrupt signal It is not caused by the virtual power down alarm.
  • the first processing module includes:
  • the third detecting submodule is configured to detect whether the system voltage dividing module of the terminal is in a voltage dividing working state, and when the system voltage dividing module is in a voltage dividing working state, the voltage is instantaneously pulled down;
  • a second determining sub-module configured to be in the voltage dividing working state of the system voltage dividing module of the terminal, determining that the current interrupt signal is generated by the virtual power-down alarm; and the system voltage dividing module at the terminal Not in the voltage division working state, determining that the current interrupt signal is not generated by the virtual power down alarm.
  • the processing device for the power failure alarm further includes:
  • the first control module is configured to enter an interrupt processing function according to the current interrupt signal, and block an interrupt bit that generates a power failure alarm when the terminal is powered off;
  • the startup module is configured to start the timer to time the preset time after the interrupt bit is masked.
  • processing device for the power failure alarm further includes:
  • the second control module is configured to exit the interrupt processing function after not responding to all the interrupt signals within a preset time from the time when the current interrupt signal is acquired.
  • processing device for the power failure alarm further includes:
  • the third processing module is configured to enter the interrupt processing function to enable the interrupt bit of the power failure alarm after the preset time set by the timer is exceeded.
  • the terminal provided with the optical network unit ONU provided by the embodiment of the invention includes the processing device for the power failure alarm as described above.
  • the embodiment of the invention further provides a computer readable storage medium storing program instructions, which can be implemented when the program instructions are executed.
  • the current interrupt signal is determined to be an interrupt generated by the virtual power-down alarm
  • the current interrupt signal is not responded to the current interrupt signal, so that the interrupt signal that does not respond to the virtual power-down alarm is only
  • the power-down alarm message is sent to effectively filter some virtual power-down alarms, and the reliability and accuracy of the ONU power-down alarm are improved, and the impact on the OLT is reduced, and the light is enhanced.
  • FIG. 1 is a schematic flowchart of a method for processing a power failure alarm according to an embodiment of the present invention
  • FIG. 2 is an overall flowchart of a method for virtual power-down alarm according to an embodiment of the present invention
  • FIG. 3 is a flowchart of processing an interrupt function in a method for processing a power failure alarm according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart diagram of a device for processing a power failure alarm according to an embodiment of the present invention.
  • the embodiment of the present invention is directed to the related art that when a virtual power failure alarm is present, the power failure alarm is still sent to the optical line terminal, causing an impact on the optical line terminal, thereby affecting the service of the optical line terminal, and providing a power failure alarm.
  • the processing method, device and terminal do not respond to the generated virtual power-down alarm within a preset time, and then open the interrupt response register after a preset time, and continue to respond to the external power-down information, thereby not only effectively filtering A part of the virtual power-down alarm is removed, and the reliability and accuracy of the ONU power-down alarm are improved, and the impact on the OLT is reduced, and the stability of the optical network communication system is enhanced.
  • a method for processing a power failure alarm includes:
  • Step 101 Acquire a current interrupt signal that is powered off by the terminal in the passive optical network system.
  • Step 102 Determine whether the current interrupt signal is generated by a virtual power-down alarm. When the current interrupt signal is generated by a virtual power-down alarm, the current interrupt signal is not responded.
  • the current interrupt signal (step 101) is obtained, and after determining that the current interrupt signal is an interrupt generated by the virtual power-down alarm, the current interrupt signal is not responded (step 102), so that the virtual power-off alarm is not responded.
  • the interrupt signal only sends a power-down alarm message when there is a real power-down, so as to effectively filter a part of the virtual power-down alarm, and improve the reliability and accuracy of the ONU power-down alarm, and reduce the OLT. The impact enhances the stability of the optical network communication system.
  • not responding to the current interrupt signal may determine that the interrupt signal is a virtual power-down alarm, to start a timer, and not responding to the current interrupt signal within a preset period of the timer, Thereby filtering the virtual power failure alarm.
  • a timer may be started, and no interrupt signal is responded to within a preset period of the timer, and then it is determined whether the current interrupt signal is virtual during the preset period.
  • the power-down alarm if it is a virtual power-down alarm, does not respond to the interrupt signal. If it is not a virtual power-down alarm, it immediately responds to the interrupt signal and reports it.
  • the method for processing the power failure alarm in the embodiment of the present invention further includes:
  • Step 103 When the current interrupt signal is not generated by a virtual power-down alarm, send a power-down alarm message.
  • the current interrupt signal to be obtained (step 101), after determining that the current interrupt signal is an interrupt generated by the virtual power-down alarm, does not respond to the current interrupt signal (step 102), and determines that the current interrupt signal is not generated by the virtual power-down alarm. If the interrupt is interrupted, the power-down alarm message is sent (step 103), so that the interrupt signal of the virtual power-down alarm is not responded, and the power-down alarm message is sent only when there is a real power-down, so as to effectively filter a part of the virtual power-down alarm. Moreover, the reliability and accuracy of the ONU power failure alarm are improved, and the impact on the OLT is reduced, and the stability of the optical network communication system is enhanced.
  • step 102 includes:
  • Step 1021 Respond to all interrupt signals within a preset time from the time when the current interrupt signal is acquired; wherein the preset time is a maximum hold of the terminal voltage being pulled down when the terminal is in a maximum load state. time.
  • the current interrupt signal is obtained and it is determined that the current interrupt signal is an interrupt generated by the virtual power-down alarm
  • all power-down alarms that do not respond within a preset time are judged to be invalid by the current interrupt signal.
  • the interrupt generated by the electrical alarm is sent by sending a power-down alarm message, so that a part of the virtual power-down alarm is effectively filtered by not responding to the interrupt signal of all the power-down alarms within a preset time, and the ONU power-down alarm is improved. Reliability and accuracy, while reducing the impact on the OLT, enhance the stability of the optical network communication system.
  • the preset time in this embodiment does not respond to the virtual power failure alarm, and after the preset time is exceeded, In order to respond to the external information again (power down signal).
  • the preset time is set according to a preset measurement, and the preset time may be a maximum hold time when the terminal voltage is pulled down when the terminal is in a maximum load state.
  • the preset time can be set by a software code, which can be set by a software timing module, or can be implemented by a software timer, and any method that can implement a preset time can be used.
  • the step 102 includes:
  • Step 1022 Detecting a duration in which the voltage of the terminal falls to a preset voltage range
  • Step 1023 When the duration is less than the preset time, detecting whether the power voltage of the terminal has a power failure alarm is generated, and obtaining a detection result;
  • Step 1024 when the detection result is no, determining that the current interrupt signal is generated by the virtual power down alarm; when the detection result is yes, determining that the current interrupt signal is not by the A virtual power failure alarm is generated.
  • the step 102 includes:
  • Step 1025 detecting whether the system voltage dividing module of the terminal is in a voltage dividing working state; when the system voltage dividing module is in a voltage dividing working state, the voltage is instantaneously pulled down;
  • Step 1026 the system voltage dividing module of the terminal is in the voltage dividing working state, determining that the current interrupt signal is generated by the virtual power failure alarm; and the system voltage dividing module of the terminal is not in the Pressing the working state, determining that the current interrupt signal is not generated by the virtual power down alarm.
  • the system voltage dividing module may be when the terminal is in an off-hook state.
  • the module that divides the system may also be a module that divides the system when the terminal power is not matched, or may be a module that divides the system when the terminal power is used, or the terminal power is a non-original power supply. When the system is divided into modules.
  • the virtual output can be made
  • the module of the electrical alarm detects the use of this module or this function, uses it as a criterion, and then processes it with reference to the method of the embodiment of the present invention.
  • the root module of the virtual power failure alarm may be determined according to the method of the embodiment of the present invention, and a mechanism for querying the status may be correspondingly given. Based on the judgment, the virtual power-off alarm can be well filtered to improve the reliability and stability of the system.
  • the filtering process of the virtual power-down alarm can be realized within a preset time.
  • the instrumentation meter is used to measure the maximum time that the system voltage is kept low when the voltage is pulled down as the preset time.
  • the ONU is measured to be in the scenario of the maximum load of five phones simultaneously picking up the phone, and the maximum duration is 100 ms. This The values will be used to filter out the power failure alarms generated during this time. In other application scenarios, it is important to measure this value for this reason. If it is caused by many factors, the maximum value of the pull-band voltage among these factors can be taken as the most criterion, so as to effectively filter the false power-down alarm.
  • the method further includes:
  • Step 1027 Enter an interrupt processing function according to the current interrupt signal, and block an interrupt bit that generates a power failure alarm when the terminal is powered off;
  • Step 1028 after masking the interrupt bit, start a timer to time the preset time.
  • the interrupt bit of the current interrupt signal is not masked after receiving the current interrupt signal, it is possible to receive a large number of interrupt processing signals in the subsequent time without masking, which affects the current interrupt.
  • the processing of the signal (the embodiment of the present invention does not respond to the current virtual power-down alarm within a preset time). Therefore, when receiving the interrupt signal and entering the interrupt processing function, it is necessary to block the interrupt bit of the power-down alarm when the terminal is powered off.
  • a software timer When the system is in the state of virtual power-down alarm processing, a software timer is enabled, and after entering the interrupt processing function by receiving the current interrupt signal, the interrupt response register is opened by delay (by temporarily shielding the terminal) The interrupt bit of the power-down alarm is generated when the power is off, so that the system does not respond to the interrupt signal of the power-down alarm during the timed period, thereby implementing the virtual power-down alarm processing.
  • the timer processing function is entered and the interrupt response register is opened, and the system responds to the external power-down alarm interrupt signal.
  • the step 102 includes:
  • Also includes:
  • Step 1029 exiting the interrupt handling function.
  • the interrupt function processes the interrupt signal.
  • the interrupt function is called to perform interrupt processing (masking the interrupt bit of the current interrupt signal). After the interrupt is completed, the interrupt processing function needs to be exited, and then the subsequent communication is resumed.
  • the processing method further includes:
  • Step 104 After the preset time set by the timer is exceeded, enter the interrupt processing function to enable the interrupt bit of the power failure alarm.
  • the timeout processing program implements the delay function, that is, delay according to the measured maximum hold time, and the interrupt bit of the power failure alarm is enabled, and the system can be again The ground responds to the external power-down alarm interrupt signal.
  • the delay function that is, delay according to the measured maximum hold time
  • the interrupt bit of the power failure alarm is enabled
  • the system can be again The ground responds to the external power-down alarm interrupt signal.
  • the off-hook state can be flexible, but the premise must be able to accurately reflect the current off-hook state of the current system. Because in the embodiment of the present invention, the power-down alarm in the off-hook state is considered as a virtual power-down alarm and is filtered out.
  • S101 The system detects in real time whether an interrupt signal of the power failure alarm is generated
  • the preset time of the timer is 100ms.
  • the timer expires, enter the timer interrupt processing function and enable the interrupt bit of the power-down alarm.
  • the system can respond to the external power-down alarm interrupt signal again.
  • the timer time has not expired, the system will not respond to all power failure alarm signals within 100ms. Even during this period, a real power-down alarm signal is ignored. But compared to the overall stability of the system, the risk of missing an alarm is negligible compared to the impact on the entire network.
  • step S30 reading the current off-hook state from the voice module, if the system is in the "off-hook state” at this time, then proceeds to step S50; if not in the "off-hook state", then proceeds to step S40;
  • the terminal is in the power failure warning and needs to save power, the following methods can be included for the passive optical network system:
  • shut down the system to consume power such as the voice function of this case, to save enough power for sending power-down alarm messages;
  • an apparatus for processing a power failure alarm includes:
  • the obtaining module 401 is configured to acquire a current interrupt signal that is in a passive optical network system and that is powered off by the terminal;
  • the first processing module 402 is configured to determine whether the current interrupt signal is generated by a virtual power-down alarm, and when the current interrupt signal is generated by a virtual power-down alarm, does not respond to the current interrupt signal.
  • the first processing module 402 does not respond to the current interrupt signal, and the current interrupt signal is not determined.
  • the interrupt generated by the virtual power-down alarm so that the interrupt signal of the virtual power-off alarm is not responded, and the power-down alarm message is sent only when there is a real power-down, so that a part of the virtual power-down alarm is effectively filtered, and the ONU is improved.
  • the reliability and accuracy of the power failure alarm while reducing the impact on the OLT, and enhancing the stability of the optical network communication system.
  • the device of the embodiment of the present invention must be implemented with the power failure detection hardware function, and the virtual power failure alarm operation is performed in the power failure alarm interruption processing function.
  • passive optical network systems regardless of It is an EPON (Ethernet Passive Optical Network) or a GPON (Gigabit-Capable Passive Optical Network).
  • EPON Ethernet Passive Optical Network
  • GPON Gigabit-Capable Passive Optical Network
  • the processing apparatus further includes:
  • the second processing module is configured to send a power-down alarm message when the current interrupt signal is not generated by a virtual power-down alarm.
  • the first processing module 402 does not respond to the current interrupt signal, and the current interrupt signal is not determined.
  • the interrupt generated by the virtual power-down alarm sends a power-down alarm message through the second processing module, so that the interrupt signal of the virtual power-down alarm is not responded, and the power-down alarm message is sent only when there is a real power-down, thereby effectively implementing the power-down alarm message.
  • a part of the virtual power-down alarm is filtered, and the reliability and accuracy of the ONU power-down alarm are improved, and the impact on the OLT is reduced, and the stability of the optical network communication system is enhanced.
  • the first processing module 402 further includes:
  • the first processing submodule is configured to not respond to all interrupt signals within a preset time from the time when the current interrupt signal is acquired; wherein the preset time is when the terminal is in a maximum load state, the terminal voltage is Pull down the maximum hold time.
  • the first processing module 402 includes:
  • a first detecting submodule configured to detect a duration in which the voltage of the terminal drops to a preset voltage range
  • the second detecting submodule is configured to detect whether the power supply voltage of the terminal has a power failure alarm when the duration is less than the preset time, and obtain a detection result;
  • a first determining submodule configured to: when the detection result is negative, determining that the current interrupt signal is generated by the virtual power down alarm; and when the detection result is yes, determining the current interrupt signal It is not caused by the virtual power down alarm.
  • the first processing module 402 includes:
  • the third detecting submodule is configured to detect whether the system voltage dividing module of the terminal is in a voltage dividing working state, and when the system voltage dividing module is in a voltage dividing working state, the voltage is instantaneously pulled down;
  • a second determining sub-module configured to be in the voltage dividing working state of the system voltage dividing module of the terminal, determining that the current interrupt signal is generated by the virtual power-down alarm; and the system voltage dividing module at the terminal Not in the voltage division working state, determining that the current interrupt signal is not generated by the virtual power down alarm.
  • the processing apparatus further includes:
  • the first control module is configured to enter an interrupt processing function according to the current interrupt signal, and block an interrupt bit that generates a power failure alarm when the terminal is powered off;
  • the startup module is configured to start the timer to time the preset time after the interrupt bit is masked.
  • the processing apparatus further includes:
  • the second control module is configured to exit the interrupt processing function after not responding to all the interrupt signals within a preset time from the time when the current interrupt signal is acquired.
  • the processing apparatus further includes:
  • the third processing module is configured to enter the interrupt processing function to enable the interrupt bit of the power failure alarm after the preset time set by the timer is exceeded.
  • the device provided by the embodiment of the present invention is a processing device for a power failure alarm, and all embodiments of the power failure alarm processing method are applicable to the device, and all of the same or similar beneficial effects can be achieved.
  • the embodiment of the present invention further provides a terminal having an optical network unit ONU, and the processing device including the power failure alarm as described above.
  • the corresponding processing device for the power failure alarm according to the embodiment of the present invention is applied to the terminal having the optical network unit ONU. Therefore, the embodiment of the present invention further provides a terminal having the optical network unit ONU, wherein the power failure alarm is
  • the implementation examples of the processing device are both applicable to the embodiment of the terminal having the optical network unit ONU, and the same technical effects can be achieved.

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Abstract

一种掉电告警的处理方法、装置及终端，所述处理方法包括：获取处于无源光网络系统中终端掉电的当前中断信号；判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。

Description

一种掉电告警的处理方法、装置及终端 技术领域
本文涉及终端设备领域，尤其涉及一种掉电告警的处理方法、装置及终端。
背景技术
随着光网络的不断发展，FTTH(Fiber to the Home，光纤到户)已经全面铺开，其终端产品ONU(Optical Network Unit，光网络单元)也得到了广泛的应用。为了便于局方远程维护ONU的多种信息，ONU需要在不同的场景中，实时地向局端设备OLT(Optical Line Terminal，光线路终端)上告多种告警消息，掉电告警就属于其中一类消息之一。
该功能的原理是ONU在掉电的过程中，系统检测到电压低于某一个规定的阀值范围时，需要在掉电保持的时间段内实时地向OLT发送一个掉电告警，告知OLT自己处于掉电关闭状态。
但是相关技术中却存在ONU并没有真正意义上的掉电，但是却会向OLT上告大量的告警信息的情况，大量的告警消息对OLT产生冲击，轻则导致ONU被其去注册，导致业务不通；重则造成OLT的瘫痪，导致整个通讯系统的瘫痪。
发明内容
本发明实施例提供一种掉电告警的处理方法、装置及终端，通过过滤虚掉电告警以达到提高ONU掉电告警的可靠性和准确性目的，同时减少对OLT的冲击，增强光网络通讯系统的稳定性。
本发明实施例提供的掉电告警的处理方法，包括：
获取处于无源光网络系统中终端掉电的当前中断信号；
判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
可选地，所述判断所述当前中断信号是否是由虚掉电告警产生之后，所述方法还包括：
当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
可选地，当所述当前中断信号是由虚掉电告警产生，所述方法还包括：
在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号，其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
可选地，所述判断所述当前中断信号是否是由虚掉电告警产生的步骤包括：
检测所述终端的电压下降至预设电压范围的持续时间；
在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；
在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
可选地，所述判断所述当前中断信号是否是由虚掉电告警产生的步骤包括：
检测所述终端的系统分压模块是否处于分压工作状态，所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
可选地，所述获取处于无源光网络系统中终端掉电的当前中断信号的步骤之后，所述方法还包括：
根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；
在屏蔽所述中断位后，启动定时器定时所述预设时间。
可选地，所述在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号的步骤之后，所述方法还包括：
退出所述中断处理函数。
可选地，所述处理方法还包括：
在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
相应的，本发明实施例还提供一种掉电告警的处理装置，包括：
获取模块，设置为获取处于无源光网络系统中终端掉电的当前中断信号；以及
第一处理模块，设置为判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
可选地，所述掉电告警的处理装置还包括：
第二处理模块，设置为当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
可选地，所述掉电告警的处理装置还包括：
第一处理子模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号；其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
可选地，所述第一处理模块包括：
第一检测子模块，设置为检测所述终端的电压下降至预设电压范围的持续时间；
第二检测子模块，设置为在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；以及
第一判定子模块，设置为在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
可选地，所述第一处理模块包括：
第三检测子模块，设置为检测所述终端的系统分压模块是否处于分压工作状态，所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
第二判定子模块，设置为在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
其中，所述掉电告警的处理装置还包括：
第一控制模块，设置为根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；以及
启动模块，设置为在屏蔽所述中断位后，启动定时器定时所述预设时间。
可选地，所述掉电告警的处理装置还包括：
第二控制模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号后，退出所述中断处理函数。
可选地，所述掉电告警的处理装置还包括：
第三处理模块，设置为在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
相应的，本发明实施例提供的一种具备光网络单元ONU的终端，包括如上述的掉电告警的处理装置。
本发明实施例还提供一种计算机可读存储介质，存储有程序指令，当该程序指令被执行时可实现上述方法。
本发明实施例方案中，将获取到的当前中断信号，在判断当前中断信号为由虚掉电告警产生的中断后，不响应当前中断信号，这样不响应虚掉电告警的中断信号，只有在存在真正掉电时进行发送掉电告警消息，来实现有效地过滤了某些虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
附图概述
图1为本发明实施例的掉电告警的处理方法的流程示意图；
图2为本发明实施例的虚掉电告警的方法的整体流程图；
图3为本发明实施例的掉电告警的处理方法中中断函数进行处理的流程图；
图4为本发明实施例的掉电告警的处理装置的流程示意图。
本发明的实施方式
本发明实施例针对相关技术中在存在虚掉电告警时，仍然向光线路终端发送掉电告警，使得对光线路终端产生冲击，从而影响光线路终端的业务的问题，提供一种掉电告警的处理方法、装置及终端，对于产生的虚掉电告警在预设时间内不响应，在经过预设时间后再打开中断响应寄存器，继续响应外部的掉电信息，从而不仅实现了有效地过滤掉一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
如图1所示，本发明实施例的掉电告警的处理方法，包括：
步骤101，获取处于无源光网络系统中终端掉电的当前中断信号；
步骤102，判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
本实施例中，将获取到的当前中断信号(步骤101)，在判断当前中断信号为由虚掉电告警产生的中断后，不响应当前中断信号(步骤102)，这样不响应虚掉电告警的中断信号，只有在存在真正掉电时进行发送掉电告警消息，来实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
在实际应用中，不响应所述当前中断信号可以在判断为中断信号为虚掉电告警，来启动定时器，在定时器的预设周期内不进行响应当前中断信号， 从而实现对虚掉电告警的过滤。
另外，在实际应用中，只要接收到中断信号，也可以启动定时器，在定时器的预设周期内不响应任何中断信号，然后在这段预设周期内判断所述当前中断信号是否是虚掉电告警，如果是虚掉电告警就不响应该中断信号，如果不是虚掉电告警立即进行响应该中断信号，进行上报。
在出现不是虚掉电告警产生的中断时，需要进行相应的处理，因此本发明实施例的掉电告警的处理方法中，还包括：
步骤103，当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
将获取到的当前中断信号(步骤101)，在判断当前中断信号为由虚掉电告警产生的中断后，不响应当前中断信号(步骤102)，在判断当前中断信号不是由虚掉电告警产生的中断，则发送掉电告警消息(步骤103)，这样不响应虚掉电告警的中断信号，只有在存在真正掉电时进行发送掉电告警消息，来实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
为了能够对任何中断实时判别并过滤，本发明实施例的掉电告警的处理方法中，步骤102中包括：
步骤1021，在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号；其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
本实施例中，将获取到的当前中断信号并判断当前中断信号为由虚掉电告警产生的中断后，在预设时间内不响应的所有掉电告警，在判断当前中断信号不是由虚掉电告警产生的中断，则通过发送掉电告警消息，这样通过在预设时间内不响应所有掉电告警的中断信号，来实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
本实施例中的所述预设时间不响应虚掉电告警，等到超出了预设时间后， 才能再次响应再次的外部信息(掉电信号)。
需要说明的是，上述预设时间是根据预设测量进行设定的，所述预设时间可以是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
另外，上述预设时间可以通过软件代码进行设定，可以是一个软件定时模块进行设定，也可以是一个软件定时器去实现，任何一种可以实现预设时间的方式均可以。
对于虚掉电告警的判断有多种，本发明实施例的掉电告警的处理方法中，步骤102包括：
步骤1022，检测所述终端的电压下降至预设电压范围的持续时间；
步骤1023，在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；
步骤1024，在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
本实施例中，对于检测到终端的电压下降到预设电压范围(预先规定的)，需要先判断是否是有掉电的情况产生，当有掉电产生时，就知道是真实的掉电的，然后向OLT发送一个掉电告警，如果没有掉电产生时，则可以判断为虚掉电告警。
因此对于是否存在掉电的情况需要有判断依据，本发明实施例的掉电告警的处理方法中，步骤102包括：
步骤1025，检测所述终端的系统分压模块是否处于分压工作状态；所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
步骤1026，在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
本实施例中，所述系统分压模块可以是指所述终端处于摘机状态时所述 系统分压的模块，也可以是所述终端电源功率不匹配时系统分压的模块，也可以是所述终端电源使用时间时系统分压的模块，也可以是所述终端电源为非原装电源时系统分压的模块。
1)对于ONU终端来说，只有语音功能可能会导致系统电压瞬间被拉低，因为在外接话机的情况下，同时摘机会导致系统外部阻抗变大，话机分压变大，系统电压变小。因此提供一个准确可靠的“正在摘机”的可查询机制供后面处理掉电告警时使用。例如，正在摘机时可以通过语音模块提供的接口查询到此时该功能的状态为“正在摘机”状态并标记为1，反之标记为0。这个标记将用于判断是否是真正的掉电告警消息，因此务必准确可靠。
2)对于PON(Passive Optical Network，无源光纤网络)终端产品的应用中除了摘机这个常见的因素之外，还有很多场景会造成虚假掉电告警。例如：当设备的电源功率不匹配，电流过小的时候，这样提供给终端的中功率就变小了，当终端的任一模块瞬间分压的时候，也会出现虚假掉电告警的现象；当电源使用年限过长，输出功率较低的时候，同样给终端系统的总功率变小，也会出现极端的情况；当用户私自改装原有设备的电源，延长电源线长度，私自外接其他设备的时候，也会有引起虚假掉电告警的可能性。但是不管什么情况下造成的掉电虚假告警，只要找到的引起这个虚假掉电告警的主要原因或者说系统的什么模块最容易造成系统分压导致电压瞬间被拉低，那么就可以使得出虚掉电告警的模块检测这个模块或者这个功能的使用情况，将其作为判据，然后参考本发明实施例的方法进行处理。
3)对于其他的终端系统，如果需要上告掉电告警，也可以依据本发明实施例的方法，根据自身系统确定造成虚掉电告警的根源模块，并相应的给出一个可查询状态的机制作为后面的判断依据，这样也能很好的过滤虚掉电告警，更好地提高系统的可靠性和稳定性。
综上所述，只要有一个能够提供准确可靠查询到虚掉电告警的机制，就可以通过在预设时间内，实现对虚掉电告警的过滤处理。
另外，为了有效过滤虚掉电告警，将采用仪器仪表来测量出系统电压在被拉低时，保持低电压状态的最大时间作为预设时间。例如本发明实施例中，实测出ONU在最大负载5部话机同时摘机的场景下，最大持续为100ms。这 个值将用于过滤在这个时间内产生的掉电告警。在其他的应用场景中，务必根据这个原因测出这个值。如果是多种因素造成的，则可以取这些因素中拉带电压的最大值最为判据，以便于有效地进行虚假掉电告警的过滤。
为了在接收到当前中断信号，只做当前中断信号的处理，并且在处理当前中断信号时，不受到后续其他获取的中断信号的干扰，来有效处理当前中断信号，可选的，本发明实施例的掉电告警的处理方法中，步骤101之后，还包括：
步骤1027，根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；
步骤1028，在屏蔽所述中断位后，启动定时器定时所述预设时间。
本实施例中，因为在接收到当前中断信号后，不及时对当前中断信号的中断位进行屏蔽的话，就有可能在没有屏蔽的后续时间内，接收到大量的中断处理信号，影响对当前中断信号的处理(本发明实施例的在预设时间内不响应当前虚掉电告警)，因此在接收到中断信号进入中断处理函数，需要屏蔽所述终端掉电时产生掉电告警的中断位。通过启动一个软件定时器，当系统处于虚掉电告警处理的状态下时，启用一个软件定时器，通过接收当前中断信号进入中断处理函数后，延时打开中断响应寄存器(通过临时屏蔽所述终端掉电时产生掉电告警的中断位)，让系统在定时的时间周期内不响应掉电告警的中断信号，从而实现对虚掉电告警处理。等定时器超时后，进入定时器处理函数中再打开中断响应寄存器，系统重新响应来自外部的掉电告警中断信号。
在处于虚掉电告警产生中断时，为了实现中断的操作，本发明实施例的掉电告警的处理方法中，步骤102包括：
除了能够进行当前过滤虚掉电告警，也应该实现在过滤完当虚掉电告警后，能继续后续的过滤虚掉电告警，因此本发明实施例的掉电告警的处理方法中，步骤1021之后，还包括：
步骤1029，退出所述中断处理函数。
本实施例中，由于是中断函数处理中断信号。一般情况下是在收到当前 中断信号后调用中断函数进行中断处理(屏蔽当前所述当前中断信号的中断位)，在完成中断后，需要退出中断处理函数，然后恢复后续的通讯。
本发明实施例的掉电告警的处理方法中，所述处理方法还包括：
步骤104，在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
本实施例中，通过对定时器的初始化和启动，从而进行超时处理程序实现了延时功能，即根据实测最大保持时间进行延时，使能掉电告警的中断位，此时系统才能够再次地响应外部的掉电告警中断信号。同时可知在系统不响应外部的任何掉电告警的中断信号时，也不会发送大量的掉电告警消息。从而成功地实现了对虚掉电告警的屏蔽消息的过滤功能。
首先需要说明的是：摘机状态的获取可以是灵活多变的，但是前提必须是能够实时准确反映当前系统真实的摘机状态。因为在本发明实施例中只要在摘机状态下的掉电告警都会被认为是虚的掉电告警而被过滤掉。
因此如图2所示，在读取此时摘机状态时的实施例举例如下。
S101：系统实时监测是否掉电告警的中断信号产生；
S102：如果有中断产生，则进入中断处理函数并读取此时的摘机状态，以判断本次掉电告警是否属于虚的掉电告警；
S103：如果是检测的结果是虚的掉电告警，那么就在预设时间内不响应中断消息，并退出中断处理函数(从而实现对消息的过滤)；如果不是虚掉电告警，则向OLT发送掉电告警消息后再退出中断处理函数(退出中断处理函数是为了更好的响应的后续进程)。
假设定时器的预设时间的时间为100ms，当定时器超时，进入定时器中断处理函数中，使能掉电告警的中断位，此时系统才能够再次地响应外部的掉电告警中断信号；当定时器时间未到的时候，系统不会响应本次100ms以内的所有掉电告警信号。即使在这期间有真实的掉电告警信号也会被忽略处理。但是相对于系统整体稳定性而言，错过一个告警的风险，比起对全网的冲击来说可谓是微不足道的事情了。
如图3所示，进入中断函数进行的处理流程举例如下。
S10：进入中断处理函数后，首先屏蔽掉电告警中断位，响应本次中断；
S20：初始化定时器参数，然后启动100ms定时；
S30：从语音模块读取当前的摘机状态，如果系统此时处于“摘机状态”，那么就转入执行步骤S50；如果不处于“摘机状态”，则接着执行步骤S40；
S40：发送掉电告警消息；
S50：成功退出中断处理函数。
如果终端处于掉电警告时，需要进行节电，对于无源光网络系统而言可以包括以下的方法：
首先，向OLT申请带宽，为发送掉电告警消息提供足够的时隙；
其次，关闭系统比较耗电的功能，例如本案例的语音功能，为发送掉电告警消息尽量地保存足够的电量；
最后，先清空当前的发送队列，再将掉电告警消息放入队列中，以保证掉电告警优先发出去。
如图4所示，本发明实施例还提供的一种掉电告警的处理装置，包括：
获取模块401，设置为获取处于无源光网络系统中终端掉电的当前中断信号；以及
第一处理模块402，设置为判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
本实施例中，将获取模块401获取到的当前中断信号，在判断当前中断信号为由虚掉电告警产生的中断后，通过第一处理模块402不响应当前中断信号，在判断当前中断信号不是由虚掉电告警产生的中断，这样不响应虚掉电告警的中断信号，只有在存在真正掉电时进行发送掉电告警消息，来实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
本发明实施例的装置必须在具备掉电检测硬件功能上实现，并且在掉电告警中断处理函数中进行过滤虚掉电告警操作。在无源光网络系统中，无论 是EPON(Ethernet Passive Optical Network，以太无源光网络)，还是GPON(Gigabit-Capable Passive Optical Network，吉比特无源光网络)，标准都要求ONU具备掉电告警的硬件检测功能。所以ONU设备都具备该功能，考虑到实时性的要求，该功能以中断的方式进行处理。
本发明一可选实施例的掉电告警的处理装置中，所述处理装置还包括：
第二处理模块，设置为当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
本实施例中，将获取模块401获取到的当前中断信号，在判断当前中断信号为由虚掉电告警产生的中断后，通过第一处理模块402不响应当前中断信号，在判断当前中断信号不是由虚掉电告警产生的中断，则通过第二处理模块发送掉电告警消息，这样不响应虚掉电告警的中断信号，只有在存在真正掉电时进行发送掉电告警消息，来实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。
本发明一可选实施例的掉电告警的处理装置中，所述第一处理模块402还包括：
第一处理子模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号；其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
本发明一可选实施例的掉电告警的处理装置中，所述第一处理模块402包括：
第一检测子模块，设置为检测所述终端的电压下降至预设电压范围的持续时间；
第二检测子模块，设置为在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；以及
第一判定子模块，设置为在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
本发明一可选实施例的掉电告警的处理装置中，所述第一处理模块402包括：
第三检测子模块，设置为检测所述终端的系统分压模块是否处于分压工作状态，所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
第二判定子模块，设置为在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
本发明一可选实施例的掉电告警的处理装置中，所述处理装置还包括：
第一控制模块，设置为根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；
启动模块，设置为在屏蔽所述中断位后，启动定时器定时所述预设时间。
本发明一可选实施例的掉电告警的处理装置中，所述处理装置还包括：
第二控制模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号后，退出所述中断处理函数。
本发明一可选实施例的掉电告警的处理装置中，所述处理装置还包括：
第三处理模块，设置为在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
需要说明的是，本发明实施例提供的装置是掉电告警的处理装置，则上述掉电告警的处理方法的所有实施例均适用于该装置，且均能达到相同或相似的有益效果。
相应的，本发明实施例还提供一种具备光网络单元ONU的终端，包括如上述的掉电告警的处理装置。
相应的由于本发明实施例的掉电告警的处理装置，应用于具备光网络单元ONU的终端，因此，本发明实施例还提供了一种具备光网络单元ONU的终端，其中，上述掉电告警的处理装置的所述实现实施例均适用于该具备光网络单元ONU的终端的实施例中，也能达到相同的技术效果。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件完成，上述程序可以存储于计算机可读存储介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的各模块/单元可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。本发明实施例不限制于任何特定形式的硬件和软件的结合。
工业实用性
通过在预设时间内不响应所有掉电告警的中断信号，实现有效地过滤了一部分虚掉电告警，而且提高了ONU掉电告警的可靠性和准确性，同时减少了对OLT的冲击，增强了光网络通讯系统的稳定性。

Claims (18)

  1. 一种掉电告警的处理方法，包括：
    获取处于无源光网络系统中终端掉电的当前中断信号；
    判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
  2. 根据权利要求1所述的处理方法，所述判断所述当前中断信号是否是由虚掉电告警产生之后，所述方法还包括：
    当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
  3. 根据权利要求1所述的处理方法，当所述当前中断信号是由虚掉电告警产生，所述方法还包括：
    在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号，其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
  4. 根据权利要求1或3所述的处理方法，其中，所述判断所述当前中断信号是否是由虚掉电告警产生的步骤包括：
    检测所述终端的电压下降至预设电压范围的持续时间；
    在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；
    在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
  5. 根据权利要求1所述的处理方法，其中，所述判断所述当前中断信号是否是由虚掉电告警产生的步骤包括：
    检测所述终端的系统分压模块是否处于分压工作状态，所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
    在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分 压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
  6. 根据权利要求3所述的处理方法，所述获取处于无源光网络系统中终端掉电的当前中断信号的步骤之后，所述方法还包括：
    根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；
    在屏蔽所述中断位后，启动定时器定时所述预设时间。
  7. 根据权利要求6所述的处理方法，所述在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号的步骤之后，所述方法还包括：
    退出所述中断处理函数。
  8. 根据权利要求6所述的处理方法，所述处理方法还包括：
    在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
  9. 一种掉电告警的处理装置，包括：
    获取模块，设置为获取处于无源光网络系统中终端掉电的当前中断信号；以及
    第一处理模块，设置为判断所述当前中断信号是否是由虚掉电告警产生，当所述当前中断信号是由虚掉电告警产生，则不响应所述当前中断信号。
  10. 根据权利要求9所述的处理装置，所述处理装置还包括：
    第二处理模块，设置为当所述当前中断信号不是由虚掉电告警产生，则发送掉电告警消息。
  11. 根据权利要求9所述的处理装置，所述第一处理模块还包括：
    第一处理子模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号；其中所述预设时间是所述终端处于最大负载状态时所述终端电压被拉低的最大保持时间。
  12. 根据权利要求9或11所述的处理装置，所述第一处理模块包括：
    第一检测子模块，设置为检测所述终端的电压下降至预设电压范围的持续时间；
    第二检测子模块，设置为在所述持续时间小于所述预设时间时，检测所述终端的电源电压是否有掉电告警产生，得到检测结果；以及
    第一判定子模块，设置为在所述检测结果为否时，则确定所述当前中断信号是由所述虚掉电告警产生；在所述检测结果为是时，则确定所述当前中断信号并非是由所述虚掉电告警产生。
  13. 根据权利要求9所述的处理装置，所述第一处理模块包括：
    第三检测子模块，设置为检测所述终端的系统分压模块是否处于分压工作状态，所述系统分压模块处于分压工作状态时会导致电压瞬间被拉低；
    第二判定子模块，设置为在所述终端的系统分压模块处于所述分压工作状态，确定所述当前中断信号是由所述虚掉电告警产生；在所述终端的系统分压模块不是处于所述分压工作状态，确定所述当前中断信号并非是由所述虚掉电告警产生。
  14. 根据权利要求11所述的处理装置，所述处理装置还包括：
    第一控制模块，设置为根据所述当前中断信号进入中断处理函数，并屏蔽所述终端掉电时产生掉电告警的中断位；
    启动模块，设置为在屏蔽所述中断位后，启动定时器定时所述预设时间。
  15. 根据权利要求14所述的处理装置，所述处理装置还包括：
    第二控制模块，设置为在获取到所述当前中断信号时间起的预设时间内，不响应所有中断信号后，退出所述中断处理函数。
  16. 根据权利要求14所述的处理装置，所述处理装置还包括：
    第三处理模块，设置为在超出所述定时器所设定的所述预设时间后，进入所述中断处理函数，使能所述掉电告警的所述中断位。
  17. 一种具备光网络单元ONU的终端，包括如权利要求10至16任一项所述的掉电告警的处理装置。
  18. 一种计算机可读存储介质，存储有程序指令，当该程序指令被执行时可实现权利要求1-8任一项所述的方法。
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