CN101674463B - Method for improving reliability of passive optical network video monitoring system - Google Patents
Method for improving reliability of passive optical network video monitoring system Download PDFInfo
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- CN101674463B CN101674463B CN2009101898622A CN200910189862A CN101674463B CN 101674463 B CN101674463 B CN 101674463B CN 2009101898622 A CN2009101898622 A CN 2009101898622A CN 200910189862 A CN200910189862 A CN 200910189862A CN 101674463 B CN101674463 B CN 101674463B
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Abstract
The invention relates to a method for improving the reliability of a passive optical network video monitoring system, aiming at solving the technical problem that in a passive optical network, the reliable work of a video monitoring system can be ensured to be continuously carried out for a long time. The adopted technical scheme comprises: an optical network unit in the video monitoring system is provided with a conversion chip provided with a resetting module, and the method is realized by means of the conversion chip in the optical network unit of the video monitoring system and matched computer management software; and the method comprises the steps: A. the input end of the conversion chip is provided with a driving interface with matching parameters; B. the output end of the conversion chip is provided with an upstream data acquisition unit used for acquiring the data information; and C. the optical network unit is added with a central processing unit provided with the matched management software and an intermediate database. The method has the advantages of ensuring the passive optical network to continuously work for a long time; and a remote control terminal can be used for knowing the communication situation of the optical network unit in real time.
Description
Technical field
The invention belongs to the application of passive optical-fiber network and video monitoring system, relate to a kind of method that improves reliability of passive optical network video monitoring system, particularly do not adopt to change the method that hardware requirement is realized low-cost raising reliability.
Background technology
The optical fiber access technology of this point-to-multipoint of passive optical-fiber network, because low, life-span of its cost is long, distance and bandwidth advantages of higher, (the Fiber-To-The-Home that becomes in recent years that Fiber to the home, abbreviation in the optical communication technology field is FTTH), the one preferred technique scheme of promptly so-called " connection of last mile network ".The optical network unit that is arranged on user side and the optical line terminal that is arranged on local side have constituted the network access device that employing passive optical-fiber network technology is set up " last mile network ".By optical network unit and optical line terminal, and between the network formed of connection optical fiber in, optical line terminal carries out long-range Operations,Administration And Maintenance by " Operations,Administration And Maintenance agreement " to optical network unit.
Along with the promotion energetically of China Telecom, the application of EPON product is more and more wider, and wherein a kind of application is exactly a video monitoring.On each optical network unit, all can be provided with controller and camera, optical network unit is transferred to optical line terminal with the video data of camera collection by wireless optical fiber, if but in relatively long time end, do not have data upload, can cause can't monitoring in a period of time, the picture on the video monitoring server can become ash.All be provided with switch (SWITCH) chip in the optical network unit, owing to the reason of optical network unit equipment of itself inside causes the data that can't E-Packet, can't transmit essence and show that conversion chip is " disconnection " state, and all has soft switching mechanism in the general conversion chip, prior art is not well utilized this point, make optical network unit and optical line terminal produce the abnormal conditions of discontinuity communication, brought trouble to this area work.
Summary of the invention
The objective of the invention is in order to solve in EPON, guarantee the technical problem of the long-time unremitting reliability Work of video monitoring system, designed the method that improves reliability of passive optical network video monitoring system, utilize the warm reset mechanism of the conversion chip in the optical network unit, by the reset function of driving interface control transformation chip, realize non-stop run.
The present invention realizes that the technical scheme that goal of the invention adopts is, improve the method for reliability of passive optical network video monitoring system, be provided with conversion chip in the optical network unit in the described video monitoring system with reseting module, above method is to realize that by conversion chip in the optical network unit of video monitoring system and supporting computer management software its concrete steps are:
A, has the driving interface of supporting parameter in the input setting of conversion chip;
B, the upstream data collector of image data information is set at the output of conversion chip;
C, in optical network unit, set up CPU with supporting management software and intermediate database;
Above upstream data collector is gathered the data transmission information in the optical network unit, the intermediate database that collection result is sent to CPU is stored, and the output control signal is sent to the controlled end of conversion chip after the CPU computing by driving interface.
The invention has the beneficial effects as follows: the transmission information state of gathering in the optical network unit by the upstream data collector is uploaded to the monitoring remote video server by network interface, and remote control terminal can be understood the communication situation of optical network unit in real time; In case break down in optical network unit inside, CPU output control signal drives conversion chip and realizes resetting by the controlled end of driving interface to conversion chip, guarantees the long-time free of discontinuities work of EPON; If causing conversion chip for some reason can not realize resetting automatically, CPU is sent to alarm signal the warning device of monitoring remote video server by network interface, can realize artificial manually input command, the conversion chip closure is worked on.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a method schematic diagram of the present invention.
In the accompanying drawing, the 1st, conversion chip, the 2nd, upstream data collector, the 3rd, CPU, the 4th, driving interface, the 5th, monitoring remote video server, 5-1 are the manual load key dishes, 5-2 is a MA monitoring agency, 5-3 is an alarm mechanism, the 6th, and optical network unit, the 7th, optical line terminal.
Embodiment
Referring to accompanying drawing, improve the method for reliability of passive optical network video monitoring system, be provided with conversion chip 1 in the optical network unit in the described video monitoring system with reseting module, above method is to realize that by conversion chip in the optical network unit of video monitoring system 1 and supporting computer management software its concrete steps are:
A, has the driving interface 4 of supporting parameter in the input setting of conversion chip 1;
B, the upstream data collector 2 of image data information is set at the output of conversion chip 1;
C, in optical network unit 6, set up CPU 3 with supporting management software and intermediate database;
The data transmission information that above upstream data collector 2 is gathered in the optical network unit 6, the intermediate database that collection result is sent to CPU 3 is stored, and the output control signal is sent to the controlled end of conversion chip 1 after CPU 3 computings by driving interface 4.
Cause CPU 3 control transformation chip 1 automatically for preventing that electronic component from breaking down, in optical network unit 6, also be provided with network interface and supporting network communication protocol, CPU 3 is by the manual load key dish 5-1 in the network interface connection monitoring remote video server 5, and manual load key dish 5-1 is sent to command signal the input of CPU 3 by network interface.If fortuitous event, CPU can send alarm signal by network interface to the monitoring remote video server, can return to CPU 3 with command signal this moment by manual load key dish 5-1, and then realize hand-reset.
The staff of monitoring remote video server 5 understands the situation of each optical network unit 6 in real time for convenience, by described network interface with network communication protocol, upstream data collector 2 is sent to the data message of transmission in the conversion chip 1 the MA monitoring agency 5-2 of monitoring remote video server 5 by CPU 3.
As mentioned above, though be provided with upstream data collector 2, CPU 3 and driving interface 4, but when appearance is unusual, for avoiding to work for a long time, by described network interface with network communication protocol, CPU 3 outputting alarm signals are to the alarm mechanism 5-3 of monitoring remote video server 5.Utilize alarm mechanism 5-3, can well point out the staff to find out of order optical network unit 6, and then can realize hand-reset by manual load key dish 5-1.
The frequency acquisition of above-mentioned upstream data collector 2 can be real-time collection or be interrupted and gather or timing acquiring.
Method of the present invention in the specific implementation, in existing passive optical network video monitoring system, in the wireless transmission process of optical line terminal 7 and optical network unit 6, because the internal factor of optical network unit 6 causes a period of time can't carry out video monitoring, take place for fear of this situation, in optical network unit 6, increased upstream data collector 2, had the CPU 3 and the driving interface 4 of intermediate database.Can whether not have flow for a long time up by setting the sense cycle of upstream data collector 2, checking during use, if found that long-time no flow is up, warm reset conversion chip 1 automatically then; If there is flow up, keep ortho states so, continue to keep detecting.
Claims (5)
1. improve the method for reliability of passive optical network video monitoring system, be provided with conversion chip (1) in the optical network unit in the described video monitoring system with reseting module, it is characterized in that: above method is to realize that by conversion chip in the optical network unit of video monitoring system (1) and supporting computer management software its concrete steps are:
A, has the driving interface (4) of supporting parameter in the input setting of conversion chip (1);
B, the upstream data collector (2) of image data information is set at the output of conversion chip (1);
C, in optical network unit (6), set up CPU (3) with supporting computer management software and intermediate database;
Above upstream data collector (2) is gathered the data transmission information in the optical network unit (6), the intermediate database that collection result is sent to CPU (3) is stored, and the output control signal is sent to the controlled end of conversion chip (1) after CPU (3) computing by driving interface 1 (4).
2. the method for raising reliability of passive optical network video monitoring system according to claim 1, it is characterized in that: in optical network unit (6), also be provided with network interface and supporting network communication protocol, CPU (3) is by the manual load key dish (5-1) in the network interface connection monitoring remote video server (5), and manual load key dish (5-1) is sent to command signal the input of CPU (3) by network interface.
3. the method for raising reliability of passive optical network video monitoring system according to claim 2, it is characterized in that: by described network interface with supporting network communication protocol, upstream data collector (2) is sent to the data message of transmission in the conversion chip (1) MA monitoring agency (5-2) of monitoring remote video server (5) by CPU (3).
4. the method for raising reliability of passive optical network video monitoring system according to claim 2, it is characterized in that: by described network interface with supporting network communication protocol, CPU (3) outputting alarm signal is to the alarm mechanism (5-3) of monitoring remote video server (5).
5. the method for raising reliability of passive optical network video monitoring system according to claim 1 is characterized in that: the frequency acquisition of described upstream data collector (2) can be real-time collection or be interrupted and gather or timing acquiring.
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| CN2009101898622A CN101674463B (en) | 2009-09-02 | 2009-09-02 | Method for improving reliability of passive optical network video monitoring system |
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| CN101674463B true CN101674463B (en) | 2011-08-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010045743A (en) * | 1999-11-08 | 2001-06-05 | 김진찬 | A Fiber Test Control Unit of Fiber Line Operation and Monitor System |
| CN201044449Y (en) * | 2007-01-25 | 2008-04-02 | 保定市天河电子技术有限公司 | Optical transmitter-receiver and network management system of optical transmitter-receiver |
| CN101237254A (en) * | 2008-02-27 | 2008-08-06 | 杭州华三通信技术有限公司 | Optical fiber protection inverse device, method and passive optical network system with the device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010045743A (en) * | 1999-11-08 | 2001-06-05 | 김진찬 | A Fiber Test Control Unit of Fiber Line Operation and Monitor System |
| CN201044449Y (en) * | 2007-01-25 | 2008-04-02 | 保定市天河电子技术有限公司 | Optical transmitter-receiver and network management system of optical transmitter-receiver |
| CN101237254A (en) * | 2008-02-27 | 2008-08-06 | 杭州华三通信技术有限公司 | Optical fiber protection inverse device, method and passive optical network system with the device |
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