CN105846894A - Optical signal monitoring method for optical module and optical module - Google Patents
Optical signal monitoring method for optical module and optical module Download PDFInfo
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- CN105846894A CN105846894A CN201610343779.6A CN201610343779A CN105846894A CN 105846894 A CN105846894 A CN 105846894A CN 201610343779 A CN201610343779 A CN 201610343779A CN 105846894 A CN105846894 A CN 105846894A
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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
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
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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
- H04B10/27—Arrangements for networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Abstract
The invention provides an optical signal monitoring method for an optical module and the optical module. The method comprises an MCU receives optical signal monitor information sent by a first receiving end and a second receiving end respectively, wherein the optical signal monitor information is obtained when the first receiving end and the second receiving end carry out monitoring on the received optical signals according to indication of a first monitor trigger signal; and the MCU carries out calculation processing on the optical signal monitor information reported by the receiving end corresponding to the monitoring indication according to the first monitor trigger signal and the monitoring indication to obtain a monitoring value. The method controls monitoring of a plurality of optical signals through a path of Trigger signal, thereby preventing monitoring conflict due to use of a plurality of Trigger signals, and ensuring monitoring information accuracy of the optical signals.
Description
Technical field
The present invention relates to optical-fiber network technology, particularly relate to optical signal monitoring method and optical mode in a kind of optical module
Block.
Background technology
Along with the development of passive optical-fiber network (Passive Optical Network is called for short PON),
Occur in that gigabit passive optical network (Gigabit Passive Optical Network is called for short GPON),
GPON has the advantage that high bandwidth, high efficiency, user interface are abundant.On this basis, in order to meet
Ever-increasing bandwidth demand, operator also selects next-generation passive fiber optic network, such as XG-PON1
Network.Therefore, in the networking of operator, in fact it could happen that comprise GPON's and XG-PON1 simultaneously
Mixing PON networking.For mixing PON, at optical line terminal (the Optical Line of local side
Terminal, is called for short OLT) side, need by local side optical module respectively to GPON and XG-PON1,
The i.e. uplink burst optical signal of two-way is monitored, and can give a warning also in time when monitoring abnormal conditions
Solve.
In prior art, local side optical module is in order to realize GPON and XG-PON1 two-way uplink burst
The monitoring of optical signal, needs to use two monitoring to trigger signal, and i.e. two trigger signals trigger respectively
The monitoring of two-way uplink burst optical signal.
But, use prior art to be likely to occur monitoring conflict, cause two-way uplink burst optical signal
Monitoring occurs abnormal.
Summary of the invention
The embodiment of the present invention provides optical signal monitoring method and optical module in a kind of optical module, is used for solving now
There is in technology the monitoring conflict using two Trigger signals to cause.
Embodiment of the present invention first aspect provides a kind of optical signal monitoring method in optical module, and the method is applied
In optical module, described optical module includes micro-control unit MCU, the first receiving terminal and the second receiving terminal,
The method includes:
The optical signal monitoring information that described MCU receives the first receiving terminal and the second receiving terminal sends respectively,
Described optical signal monitoring information is that described first receiving terminal and described second receiving terminal are respectively according to the first monitoring
Trigger the instruction of signal, be monitored received optical signal being obtained；
Described MCU triggers signal and monitoring instruction according to described first monitoring, to described monitoring instruction
The optical signal monitoring information that corresponding receiving terminal is reported carries out calculating process, obtains described monitoring instruction right
The monitoring value of the receiving terminal received optical signal answered.
Embodiment of the present invention second aspect provides a kind of optical module, including MCU, the first receiving terminal and the
Two receiving terminals；
Described MCU, the optical signal monitoring letter sent respectively for reception the first receiving terminal and the second receiving terminal
Breath, described optical signal monitoring information is that described first receiving terminal and described second receiving terminal are respectively according to first
Monitoring triggers the instruction of signal, is monitored received optical signal being obtained；And,
Signal and monitoring instruction is triggered, the reception corresponding to described monitoring instruction according to described first monitoring
The optical signal monitoring information that end is reported carries out calculating process, obtains the receiving terminal that described monitoring instruction is corresponding
The monitoring value of received optical signal.
Optical signal monitoring method and optical module in the optical module that the embodiment of the present invention is provided, by a road
Trigger signal controls multipath light signal monitoring, it is to avoid use multiple Trigger signal may cause
Monitoring conflict, it is ensured that the accuracy of the monitoring information of optical signal.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
In the optical module that Fig. 1 provides for the embodiment of the present invention, the flow process of optical signal monitoring embodiment of the method one is shown
It is intended to；
Fig. 2 is the sequential relationship of the first receiving terminal and optical signal corresponding to the second receiving terminal and Trigger signal
Schematic diagram；
The company of the optical module that optical signal monitoring method is corresponding in the optical module that Fig. 3 provides for the embodiment of the present invention
Connect schematic diagram；
In the optical module that Fig. 4 provides for the embodiment of the present invention, the flow process of optical signal monitoring embodiment of the method two is shown
It is intended to；
The optical module that in the optical module that Fig. 5 provides for the embodiment of the present invention, optical signal monitoring method is corresponding another
One connection diagram；
The function structure chart of the optical module embodiment one that Fig. 6 provides for the embodiment of the present invention；
The function structure chart of the optical module embodiment two that Fig. 7 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Optical module, when carrying out optical signal monitoring, is to trigger signal according to monitoring, i.e. Trigger signal enters
Row monitoring.Specifically, OLT system can synchronize in the optical signal sequential specified according to clock, Xiang Guang
Module sends Trigger signal.Specifically can generate Trigger by the outside board etc. in OLT system
Signal is sent to optical module, and the Trigger generated is the lasting level letter corresponding with optical signal sequential
Number, optical module decides whether to start to monitor optical signal according to this level signal.When OLT system connects
During two ways of optical signals, prior art needs use two-way Trigger signal to control two ways of optical signals respectively
Monitoring, in this mode, OLT system may produce because of the problem of the Trigger priority class of traffic
Monitoring conflict, causes the monitoring to two-way uplink burst optical signal to occur abnormal.
The embodiment of the present invention, based on this, proposes one and controls two-way or two-way by a road Trigger signal
With the method for optical signal monitoring, thus avoid the monitoring conflict being likely to occur in prior art.
In the optical module that Fig. 1 provides for the embodiment of the present invention, the flow process of optical signal monitoring embodiment of the method one is shown
Being intended to, the method is applied in optical module, and this optical module includes micro-control unit (MicroController
Unit, is called for short MCU), the first receiving terminal and the second receiving terminal.As it is shown in figure 1, the method includes:
The optical signal monitoring information that S101, MCU receive the first receiving terminal and the second receiving terminal sends respectively,
This optical signal monitoring information is that the first receiving terminal and the second receiving terminal trigger signal according to the first monitoring respectively
Instruction, is monitored received optical signal being obtained.
When the Trigger signal that OLT system generates persistently is sent to optical module, light can be simultaneously sent to
MCU in module and receiving terminal.MCU and receiving terminal all can come really according to the value of Trigger signal
Determine whether process and monitor.
Wherein, the receiving terminal in optical module can have multiple, and each receiving terminal receives a road optical signal and incites somebody to action
It is converted into the signal of telecommunication, is monitored the signal of telecommunication converted.Regardless of whether the quantity of receiving terminal has how many,
Optical module all has only to a road Trigger signal, and the i.e. first monitoring triggers signal, this Trigger signal meeting
Received by receiving terminal all of in optical module.
Specifically, the first monitoring received by each receiving terminal triggers signal, i.e. Trigger signal is one
Persistently sending in the individual clock cycle, Trigger signal is specially a level signal.
Alternatively, when Trigger signal is low level, the optical signal received need not be supervised by receiving terminal
Control.When Trigger signal is high level, receiving terminal starts persistently to monitor and process its light received letter
Number, until Trigger signal becomes low level again.
After getting monitoring information, the monitoring information reporting of optical signal that each receiving terminal will monitor
Each monitoring information being stored in MCU, MCU in the memory element of oneself, follow-up process is all
Carry out based on these monitoring information stored.
S102, MCU trigger signal and monitoring instruction according to the first monitoring, connect monitoring instruction correspondence
The optical signal monitoring information that receiving end is reported carries out calculating process, obtains the receiving terminal institute that monitoring instruction is corresponding
Receive the monitoring value of optical signal.
The monitoring information of the optical signal that above-mentioned each receiving terminal is exported can not directly read for host computer and aobvious
Show, but need MCU to do further calculating process and just can export in host computer.
As it was previously stated, trigger signal when OLT system sends the first monitoring to optical module, i.e. Trigger believes
Number time, also can be sent in the MCU of optical module.When Trigger signal is low level, MCU is also
Need not monitoring information is processed.When Trigger signal is high level, now explanation receiving terminal is
Be monitored optical signal through starting, then MCU also can proceed by under the instruction of Trigger signal
The process of monitoring information.
Saving the monitoring information of all receiving terminals in the memory element of MCU, MCU is not to all
Monitoring information process, but determine that the monitoring to which receiving terminal is believed according to the instruction of host computer
Breath processes.Specifically, can prestore in MCU the receiving terminal mark indicated by host computer, this receiving terminal
Mark is used for one receiving terminal of unique mark, and this receiving terminal is identified as monitoring instruction by MCU.When
When Trigger is high level, MCU is only to being monitored the monitoring information that receiving terminal corresponding to instruction is reported
Carry out calculating process.Owing to multiple receiving terminals are to carry out optical signal monitoring simultaneously, and multiple monitoring information
All being saved, therefore, which the receiving terminal no matter host computer indicates is, MCU can be quickly accurate
Really calculate the optical signal monitoring value of this receiving terminal, thus realize using a road Trigger signal to arbitrarily
The optical signal monitoring of one road receiving terminal.
After this, the monitoring value of the optical signal calculated can be sent to host computer, by host computer by MCU
Directly carry out display process.
In the present embodiment, optical module only receives a road Trigger signal, and this road Trigger signal is simultaneously
Being received by the MCU in optical module and multiple receiving terminal, multiple receiving terminals are according to the instruction of Trigger signal
Completing to monitor multipath light signal, MCU is according to indicated by the instruction of Trigger signal and host computer
Receiving terminal carries out calculating process to a wherein road optical signal monitoring information, and the result that calculating processes can be for
Host computer directly reads and shows, it is achieved thereby that use a road Trigger signal monitoring multipath light signal,
Simultaneously as only used a road Trigger signal, therefore, it is to avoid use multiple Trigger signal
The monitoring conflict that may cause, it is ensured that the accuracy of the monitoring information of optical signal.
Fig. 2 is the sequential relationship of the first receiving terminal and optical signal corresponding to the second receiving terminal and Trigger signal
Schematic diagram, as in figure 2 it is shown, two ways of optical signals corresponding to two receiving terminals has respective sequential, and supervises
Control triggers signal, i.e. Trigger signal also has the sequential of oneself, only believes with Trigger in optical signal
Number the overlapping part of high level just belong to and use up, remainder is for without using up.In the embodiment of the present invention,
Two ways of optical signals can be made to meet default condition by adjusting the cycle of two ways of optical signals, and then make
Two receiving terminals share a Trigger signal.Such as by adjusting the cycle of two ways of optical signals so that two
The sequential of road optical signal keeps consistent substantially, so that two ways of optical signals and a Trigger signal overlap
Part increase, share a Trigger signal realizing two receiving terminals.
Or, it is also possible to realize two receiving terminals by the sequential extending Trigger signal and share one
Trigger signal.
All illustrate as a example by two receiving terminals below the embodiment of the present invention, it will be apparent that
Following technical scheme is also applied for the situation of multiple receiving terminal.
The company of the optical module that optical signal monitoring method is corresponding in the optical module that Fig. 3 provides for the embodiment of the present invention
Connecing schematic diagram, as it is shown on figure 3, the first monitoring triggers signal, i.e. Trigger signal is simultaneously sent to optical mode
MCU, receiving terminal A and receiving terminal B in block, meanwhile, receiving terminal A and receiving terminal B all with MCU
Connecting, after getting monitoring information, receiving terminal A and receiving terminal B can be by monitoring information reporting to MCU.
On the basis of above-described embodiment, the present embodiment relates to the concrete grammar that receiving terminal is monitored.That is,
In above-mentioned steps S101, the first receiving terminal and the second receiving terminal trigger the instruction of signal according to the first monitoring,
Received optical signal is monitored particularly as follows:
First receiving terminal and the second receiving terminal trigger signal, respectively by received light according to the first monitoring
Signal intensity instruction (Received Signal Strength Indication the is called for short RSSI) conversion of signal
For analog voltage, and respectively this analog voltage is believed as the light of the first receiving terminal and the second receiving terminal
Number monitoring information.
Specifically, after the reception chip of receiving terminal receives optical signal, the signal of telecommunication can be converted optical signals to,
This signal of telecommunication can be output to the supervisory circuit of receiving terminal by the RSSI as optical signal.Supervisory circuit should
RSSI is converted to analog voltage, and this analog voltage is directly proportional to the optical power value of optical signal.Changed
The analog voltage gone out is the monitoring information of supervisory circuit.
In the present embodiment, each receiving terminal according to the instruction of Trigger signal simultaneously to corresponding OFF signal
It is monitored, i.e. use multiple receiving terminal to come simultaneously and carry out optical signal monitoring parallel, when host computer needs
During checking monitoring information, it is possible to be directly viewable.
On the basis of above-described embodiment, the present embodiment relates to MCU and monitoring information is carried out calculating process
Concrete grammar, i.e. above-mentioned steps S104 particularly as follows:
MCU triggers signal and monitoring instruction according to the first monitoring, by receiving terminal institute corresponding for monitoring instruction
The analog voltage reported is converted to optical power value, and as monitoring, optical power value is indicated corresponding receiving terminal
The monitoring value of received optical signal.
Specifically, as it was previously stated, MCU is under the instruction of Trigger signal, monitoring information is proceeded by
Process, and, the monitoring information that the receiving terminal that monitoring instruction is corresponding is only reported by MCU calculates
Process.When calculating processes, the analog voltage that receiving terminal is reported by MCU is converted to binary light
Performance number, specifically can be completed conversion Calculation by the analog-digital converter in MCU.MCU is calculated
Optical power value be can be generalized machine to directly read the numerical value of display.
In the present embodiment, MCU, according to the instruction of host computer, selects one in multiple monitoring information to enter
Row calculating processes, and processes without to other monitoring information, reads display meeting host computer
On the basis of, save process time and resource.
In the optical module that Fig. 4 provides for the embodiment of the present invention, the flow process of optical signal monitoring embodiment of the method two is shown
Being intended to, as shown in Figure 4, also include at least two sampling hold circuit in above-mentioned optical module, this sampling is protected
The one end holding circuit is connected with receiving terminal, and the method also includes:
S201, at least two sampling hold circuit receive the first monitoring and trigger signal.
As it was previously stated, when the Trigger signal that OLT system generates persistently is sent to optical module, together with
Time the MCU that is sent in optical module and receiving terminal.When optical module has sampling hold circuit,
This Trigger signal also can be simultaneously sent in each sampling hold circuit.
S202, at least two sampling hold circuit according to above-mentioned first monitoring trigger signal, to this sampling
The optical signal monitoring information of the receiving terminal that holding circuit is connected keeps.
When Trigger signal is high level, receiving terminal proceeds by the monitoring of optical signal, and simultaneously,
Under the instruction of Trigger signal, the sampling hold circuit that receiving terminal is corresponding also begins to the letter of the monitoring to optical signal
Breath keeps.Further, the result of holding being sent to MCU, i.e. the monitoring information of receiving terminal is by adopting
Sample holding circuit is ultimately routed to MCU and saves.
In the present embodiment, with receiving terminal sampling hold circuit one to one, the monitoring information of optical signal is entered
Row keeps so that the monitoring information of all of receiving terminal can be stored in MCU, when host computer needs
When obtaining the monitoring value of certain receiving terminal, directly obtained by MCU.Therefore, sampling keeps
The holding of circuit processes and makes host computer can quickly read monitoring value.
The optical module that in the optical module that Fig. 5 provides for the embodiment of the present invention, optical signal monitoring method is corresponding another
One connection diagram, as it is shown in figure 5, on the basis of Fig. 3, include and receiving terminal in this optical module
The sampling hold circuit A connected and sampling hold circuit B, each sampling hold circuit receives the first prison
Control triggers signal, i.e. Trigger signal.Sampling hold circuit receives the monitoring information of receiving terminal output, right
After this monitoring information keeps, output is connected to MCU, i.e. sampling hold circuit with receiving terminal and MCU.
On the basis of above-described embodiment, the present embodiment relates to MCU and obtains the process of monitoring instruction, i.e.
Before above-mentioned steps S104, also include:
MCU receives the monitoring instruction information that host computer sends, using this monitoring instruction information as above-mentioned monitoring
Instruction.
Specifically, host computer selects a receiving terminal by the way of software sheet selects, and then, can be to MCU
Sending a monitoring instruction information, this monitoring instruction information is for identifying selected receiving terminal mark.
After MCU receives this monitoring instruction, can be written in the memory element of correspondence.When MCU according to
When the instruction of Trigger signal calculates monitoring value, the value in this memory element can be read out, it is judged that its
Corresponding receiving terminal, and then, only the monitoring information of this receiving terminal is carried out calculating process.
The function structure chart of the optical module embodiment one that Fig. 6 provides for the embodiment of the present invention, as shown in Figure 6,
This optical module includes: MCU501 and two receiving terminals 502.
MCU501, the optical signal monitoring letter sent respectively for reception the first receiving terminal and the second receiving terminal
Breath, this optical signal monitoring information is that the first receiving terminal 502 and the second receiving terminal 502 touch according to the first monitoring
The instruction signaled, is monitored received optical signal being obtained；And,
Trigger signal and monitoring instruction according to the first monitoring, the receiving terminal that monitoring instruction is corresponding is reported
Optical signal monitoring information carry out calculating process, obtain the receiving terminal received optical signal that monitoring instruction is corresponding
Monitoring value.
This optical module is used for realizing aforesaid embodiment of the method, and it is similar with technique effect that it realizes principle, this
Place repeats no more.
Preferably, the cycle of the optical signal that two receiving terminals in above-mentioned optical module are corresponding all meet preset
Condition, so that two receiving terminals can be used in conjunction with above-mentioned first monitoring and trigger signal.
Further, receiving terminal 502 specifically for:
Trigger signal according to the first monitoring, respectively the RSSI of received optical signal is converted to simulation electricity
Pressure value, and respectively using this analog voltage as the monitoring information of the optical signal of described receiving terminal.
Further, MCU501 specifically for:
Trigger signal and monitoring instruction according to the first monitoring, receiving terminal corresponding for monitoring instruction is reported
Analog voltage be converted to optical power value, using this optical power value as receiving terminal institute corresponding to monitoring instruction
The monitoring value of the optical signal received.
The function structure chart of the optical module embodiment two that Fig. 7 provides for the embodiment of the present invention, as it is shown in fig. 7,
This optical module also includes at least two sampling hold circuit 503, one end of sampling hold circuit 503 with connect
Receiving end 502 connects.
At least two sampling hold circuit 503, triggers signal for receiving the first monitoring；And,
Trigger signal according to the first monitoring, the optical signal of the receiving terminal being connected with sampling hold circuit is supervised
Control information keeps.
In another embodiment, MCU501 is specifically additionally operable to:
Signal and monitoring instruction is being triggered, in the receiving terminal institute corresponding to monitoring instruction according to the first monitoring
Before the optical signal monitoring information of report carries out calculating process, receive the monitoring instruction information that host computer sends,
Using this monitoring instruction information as monitoring instruction.
One of ordinary skill in the art will appreciate that: realize all or part of step of above-mentioned each method embodiment
Suddenly can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer can
Read in storage medium.This program upon execution, performs to include the step of above-mentioned each method embodiment；And
Aforesaid storage medium includes: ROM, RAM, magnetic disc or CD etc. are various can store program code
Medium.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. optical signal monitoring method in an optical module, it is characterised in that described method is applied to optical module
In, described optical module includes micro-control unit MCU, the first receiving terminal and the second receiving terminal, described side
Method includes:
The optical signal monitoring information that described MCU receives the first receiving terminal and the second receiving terminal sends respectively,
Described optical signal monitoring information is that described first receiving terminal and described second receiving terminal are respectively according to the first monitoring
Trigger the instruction of signal, be monitored received optical signal being obtained；
Described MCU triggers signal and monitoring instruction according to described first monitoring, to described monitoring instruction
The optical signal monitoring information that corresponding receiving terminal is reported carries out calculating process, obtains described monitoring instruction right
The monitoring value of the receiving terminal received optical signal answered.
Method the most according to claim 1, it is characterised in that described first receiving terminal and described
Two receiving terminals trigger the instruction of signal respectively according to the first monitoring, are monitored received optical signal,
Including:
Described first receiving terminal and described second receiving terminal trigger signal according to described first monitoring, respectively will
The signal intensity instruction RSSI of received optical signal is converted to analog voltage, and respectively by described mould
Intend magnitude of voltage as described first receiving terminal and the monitoring information of the optical signal of described second receiving terminal.
Method the most according to claim 2, it is characterised in that described MCU is according to described first
Monitoring triggers signal and monitoring instruction, the optical signal being reported the receiving terminal that described monitoring instruction is corresponding
Monitoring information carries out calculating process, obtains the prison of receiving terminal received optical signal corresponding to described monitoring instruction
Control value, including:
Described MCU triggers signal and monitoring instruction according to described first monitoring, by described monitoring instruction
The described analog voltage that corresponding receiving terminal is reported is converted to optical power value, is made by described optical power value
Monitoring value for the receiving terminal received optical signal of described monitoring instruction correspondence.
Method the most according to claim 1, it is characterised in that described optical module also includes at least two
Individual sampling hold circuit, one end of described sampling hold circuit is connected with receiving terminal；Described method also includes:
Described at least two sampling hold circuit receives described first monitoring and triggers signal；
Described at least two sampling hold circuit according to described first monitoring trigger signal, to described sampling
The optical signal monitoring information of the receiving terminal that holding circuit is connected keeps.
Method the most according to claim 1, it is characterised in that described MCU is according to described first
Monitoring triggers signal and monitoring instruction, the optical signal being reported the receiving terminal that described monitoring instruction is corresponding
Before monitoring information carries out calculating process, including:
Described MCU receive host computer send monitoring instruction information, using described monitoring instruction information as
Described monitoring instruction.
6. according to the method described in any one of claim 1-5, it is characterised in that described first receiving terminal
The cycle of the optical signal that cycle of corresponding optical signal is corresponding with described second receiving terminal meets default bar
Part, so that described first receiving terminal and described second receiving terminal can be used in conjunction with described first monitoring and trigger
Signal.
7. an optical module, it is characterised in that include micro-control unit MCU, the first receiving terminal and
Second receiving terminal；
Described MCU, the optical signal monitoring letter sent respectively for reception the first receiving terminal and the second receiving terminal
Breath, described optical signal monitoring information is that described first receiving terminal and described second receiving terminal are respectively according to first
Monitoring triggers the instruction of signal, is monitored received optical signal being obtained；And,
Signal and monitoring instruction is triggered, the reception corresponding to described monitoring instruction according to described first monitoring
The optical signal monitoring information that end is reported carries out calculating process, obtains the receiving terminal that described monitoring instruction is corresponding
The monitoring value of received optical signal.
Optical module the most according to claim 7, it is characterised in that described receiving terminal specifically for:
Trigger signal according to described first monitoring, respectively the signal intensity of received optical signal is indicated
RSSI is converted to analog voltage, and respectively using described analog voltage as the optical signal of described receiving terminal
Monitoring information.
Optical module the most according to claim 8, it is characterised in that described MCU specifically for:
Signal and monitoring instruction is triggered, by reception corresponding for described monitoring instruction according to described first monitoring
The described analog voltage that end is reported is converted to optical power value, using described optical power value as described monitoring
The monitoring value of the receiving terminal received optical signal that instruction is corresponding.
Optical module the most according to claim 7, it is characterised in that also include that at least two is sampled
Holding circuit, one end of described sampling hold circuit is connected with receiving terminal；
Described sampling hold circuit, is used for receiving described first monitoring and triggers signal；And,
Signal is triggered, to the receiving terminal being connected with described sampling hold circuit according to described first monitoring
Optical signal monitoring information keeps.
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|---|---|---|---|---|
| CN106992812A (en) * | 2017-05-25 | 2017-07-28 | 成都优博创通信技术股份有限公司 | A kind of unglazed monitoring method, optical module and controller |
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| CN105846894B (en) | 2018-07-13 |
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