CN101431670A - Uncompressed video optical transmitter-receiver with OAM and monitoring function - Google Patents
Uncompressed video optical transmitter-receiver with OAM and monitoring function Download PDFInfo
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- CN101431670A CN101431670A CNA2008102395950A CN200810239595A CN101431670A CN 101431670 A CN101431670 A CN 101431670A CN A2008102395950 A CNA2008102395950 A CN A2008102395950A CN 200810239595 A CN200810239595 A CN 200810239595A CN 101431670 A CN101431670 A CN 101431670A
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Abstract
The invention relates to a non-compression video fiber transmission system with function of OAM and monitoring that is consisted of a sender and a receiver. A user can monitor video signal of any route on the receiver, also can obtain working environment and working state of the fiber transmission system through OAM module. The system is processed functional enlarged and increases multi-route selection function, selects certain route video signal from multiple video source for transmitting. The non-compression video fiber transmission system is convenient for user to operate, manage and maintain.
Description
Technical field
The present invention relates to optical fiber transmission technique field and field of video monitoring, relate in particular to a kind of uncompressed video optical transmitter-receiver with OAM(Operation Administration Maintenance) and monitoring function.
Background technology
Along with science and technology and rapid economy development, people improve constantly the requirement of safety guarantee, and the application of video monitoring is increasingly extensive and deep, and the scope of monitoring and scale also constantly enlarge.Main at present employing optical fiber adds the transmission platform that digital video optical multiplexer makes up the video monitoring net.Therefore need optical transceiver to have more function and satisfy different requirements of customers.
Video optical multiplexer is made up of two parts, and transmitting terminal and receiving terminal connect by optical fiber.The transmitting terminal of optical transceiver carries out A/D conversion, multiplexing earlier with the vision signal of video camera, converts the electrical signal to light signal again, passes through Optical Fiber Transmission; Receiving terminal converts the light signal that receives to the signal of telecommunication earlier, carries out demultiplexing and D/A conversion again, restores vision signal, and vision signal sends to the monitor end, monitors.
Optical transceiver commonly used at present mainly is that vision signal is carried out long-distance transmissions, and function ratio is more single.If want at the optical transceiver end vision signal to be monitored, or will detect the operating state and the environmental aspect of optical transceiver, present optical transceiver is then powerless.
Summary of the invention
The objective of the invention is to shortcoming, a kind of uncompressed video optical transmitter-receiver with OAM(Operation Administration Maintenance), monitoring function and multichannel selection function is provided at present digital video optical transceiver insufficiency of function.
The invention provides a kind of video optical multiplexer with OAM(Operation Administration Maintenance) and monitoring function, as shown in Figure 1, this video optical multiplexer is made up of 2 parts: transmitting terminal and receiving terminal.Transmitting terminal comprises: A/D conversion (label 1001), front end sensing apparatus (label 1002), transmitting terminal operating state (label 1003), OAM submodule (label 1004), multiplexing (label 1005), electric light conversion (label 1006).Wherein A/D conversion (label 1001) is used for the vision signal of simulation is converted to digital signal.Front end sensing apparatus (label 1002) is used to detect the situation of optical transceiver place environment, comprises the composition and the concentration of gas and liquid, the temperature and humidity of air.Transmitting terminal operating state (label 1003) is used to detect the operating state of transmitting terminal optical transceiver, comprises whether optical transceiver is working properly, has or not vision signal etc.OAM submodule (label 1004) is used for the module communication with receiving terminal OAM, operation and the management front end induced signal and the operating state of making a start.Multiplexing module (label 1005) is multiplexed with one tunnel at a high speed digital signal with the vision signal of multichannel and front end induced signal and transmitting terminal operating state.Electric light conversion (label 1006) is used for to be light signal, to send on the optical fiber and transmit electrical signal conversion.
Receiving terminal comprises: opto-electronic conversion (label 1007), demultiplexing (label 1008), CPLD (label 1009), D/A conversion (label 1010), monitor (label 1011), receiving terminal operating state (label 1012), OAM module (label 1013), PC (label 1014).Wherein opto-electronic conversion (label 1007) is used for light signal is converted to the signal of telecommunication; Demultiplexing module (label 1008) is used for going out each road vision signal and front end induced signal and the operating state of making a start from closing road signal demultiplexing; CPLD (label 1009) is used to select one tunnel vision signal as the vision signal that will monitor; D/A conversion (label 1010) is used for the vision signal of numeral is converted to analog signal; Monitor (label 1011) is used to monitor any one tunnel vision signal; Receiving terminal operating state (label 1012) is used to detect the operating state of receiving terminal optical transceiver; OAM module (label 1013) is used for and the OAM submodule of making a start (label 1004) communicates, simultaneously also and PC (label 1014) communicate, optical transceiver is carried out Operations, Administration and Maintenance, give the various state informations of user feedback; PC (label 1014) links to each other with the OAM module by the RS232 interface, is used for sending instruction and obtaining state information from the OAM module to the OAM module.
Above-mentioned optical transceiver is carried out the function expansion, and the present invention also provides a kind of video optical multiplexer with multichannel selection function, as shown in Figure 2.This optical transceiver is made up of transmitting terminal and receiving terminal.Transmitting terminal comprises MUX (label 201), sending module (label 202).Wherein MUX (label 201) is used for selecting m road video signal transmission to receiving terminal from n road vision signal according to user's needs; Sending module (label 202) is selected m road vision signal according to user's needs control MUX (label 201), and m road vision signal, leading portion induced signal and transmitting terminal operating state be multiplexed with one the tunnel, carry out opto-electronic conversion then, with electrical signal conversion is light signal, passes through Optical Fiber Transmission.
Receiving terminal comprises receiver module (label 203), monitor (label 1011) and PC (label 1014).Wherein receiver module (label 203) is converted to the signal of telecommunication with the light signal that receives earlier, road signal demultiplexing be will close again and each road vision signal, leading portion induced signal and the operating state of making a start will be, the road vision signal that the user will be monitored sends to monitor, receive the various command of PC simultaneously, finish OAM(Operation Administration Maintenance); Monitor (label 1010) is used to monitor any one tunnel vision signal; PC (label 1013) links to each other with the OAM module of receiving terminal by the RS232 interface, is used for sending order and obtaining state information from the OAM module to the OAM module.
The present invention has following technical advantage and beneficial effect:
Have OAM(Operation Administration Maintenance), the user can understand the operational environment and the operating state of video optical multiplexer, makes things convenient for the user that optical transceiver is carried out Operations, Administration and Maintenance.Have video monitoring function, at the optical transceiver end, the user can monitor any one tunnel vision signal of wanting, is convenient to use, the maintenance and management of user to optical transceiver like this.Have the multichannel selection function, when video source is a lot, can selects several signals according to user's needs and transmit, and need not transmit all vision signals, saved bandwidth and cost, make that also the use of optical transceiver is more flexible.
Description of drawings
By the description of carrying out below in conjunction with accompanying drawing to embodiment, above-mentioned and/or other purposes of the present invention and advantage will become apparent, wherein:
Fig. 1 is the video optical multiplexer with OAM(Operation Administration Maintenance) and monitoring function.
Symbol description among the figure:
The 1001:A/D conversion;
1002: the front end sensing apparatus;
1003: the transmitting terminal operating state;
The 1004:OAM submodule;
1005: multiplexing;
1006: the electric light conversion;
1007: opto-electronic conversion;
1008: demultiplexing;
1009：CPLD；
The 1010:D/A conversion;
1011: monitor;
1012: the receiving terminal operating state;
The 1013:OAM module;
The 1014:PC machine.
Fig. 2 is the video optical multiplexer that Fig. 1 has been increased the multichannel selection function.
Symbol description among the figure:
201: MUX;
202: sending module;
203: receiver module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the theory structure block diagram with video optical multiplexer of OAM(Operation Administration Maintenance) and monitoring function of the present invention.Suppose to have 8 tunnel vision signals.Front end sensing apparatus (label 1002) detects the situation of transmitting terminal optical transceiver operational environment, i.e. the composition of gas and liquid and concentration, the temperature and humidity of air; Transmitting terminal operation state module (label 1003) detects the operating state of transmitting terminal simultaneously, comprises whether optical transceiver is working properly, has or not vision signal etc.; The front end induced signal and the operating state of making a start send to OAM submodule (label 1004), and the OAM submodule is selected one road signal according to user's needs and sent to Multiplexing module (label 1005); The vision signal of 8 tunnel simulations through A/D conversion (label 1001), becomes digital video signal respectively; Multiplexing module (label 1005) with the information of OAM submodule (label 1004) and 8 way word vision signals multiplexing be one the tunnel at a high speed close the road signal, pass through electrooptic conversion module (label 1006) again and be converted to light signal, pass through Optical Fiber Transmission.
At receiving terminal, photoelectric conversion module (label 1007) earlier is converted to the signal of telecommunication with the light signal that receives, and demultiplexing module (label 1008) demultiplexing from close the road signal goes out the front end induced signal, the operating state of making a start and Ge Lu vision signal.According to user's needs, CPLD chip (label 1009) selects one the tunnel from 8 tunnel vision signals, monitors through sending on the monitor (label 1011) after the D/A conversion (label 1010).The 8 way word vision signals of separating out through becoming analog video signal after the D/A conversion (label 1010), are sent to next stage respectively.PC (label 1014) links to each other with receiver module by the RS232 interface, and OAM module (label 1013) sends to the user according to the order that receives with front end induced signal, the operating state of making a start or receiving terminal operating state.
Communication process between PC (label 1014), OAM module (label 1013) and the OAM submodule (label 1004) is: PC directly and the OAM module communication of receiving terminal, the user sends demand to the OAM module by PC; OAM module and the OAM submodule direct communication of making a start, and the user need be sent to OAM submodule in the transmitting terminal by optical fiber; After the OAM submodule receives orders, the front end induced signal and the operating state of making a start are sent to Multiplexing module, and send to the OAM module of receiving terminal by optical fiber; The OAM module feeds back to PC with the state information that receives again, checks for the user.
Fig. 2 is after above-mentioned optical transceiver is carried out the function expansion, the video optical multiplexer with multichannel selection function.Suppose to have n road video source,, only need wherein m of transmission (the road vision signal of m＜n) according to user's needs.The user sends order by PC (label 1014) to the OAM module, the OAM module will be ordered by optical fiber and be sent to sending module (label 202), and sending module control MUX (label 201) is selected the m road vision signal that the user needs from the vision signal of n road.M road vision signal is through the processes such as multiplexing, opto-electronic conversion of sending module (label 202), arrive receiver module by Optical Fiber Transmission, receiver module solves m road vision signal, and select therefrom that riches all the way and deliver to monitor according to user's needs and monitor, receiving terminal sends to PC (label 1014) with information such as front end induced signal, the operating state of making a start and receiving terminal operating states simultaneously, the user can check these information by PC, thus running environment and running status that can complete grasp optical transceiver.
The invention is not restricted to the foregoing description, without departing from the present invention, can carry out various changes and modifications.So the equivalence that all application specification of the present invention or accompanying drawing content are done changes, all in like manner all be contained in the scope of the present invention, to ensure inventor's rights and interests, in this statement.
Claims (6)
1, a kind of uncompressed video optical transmitter-receiver with OAM(Operation Administration Maintenance) and monitoring function is characterized in that this video optical multiplexer is made up of transmitting terminal and receiving terminal two parts.
2, video optical multiplexer according to claim 1 is characterized in that the functional module that transmitting terminal comprises has: A/D conversion (label 1001), front end sensing apparatus (label 1002), transmitting terminal operating state (label 1003), OAM submodule (label 1004), multiplexing (label 1005), electric light conversion (label 1006).
3, video optical multiplexer according to claim 1 is characterized in that the functional module that receiving terminal comprises has: opto-electronic conversion (label 1007), demultiplexing (label 1008), CPLD (label 1009), D/A conversion (label 1010), monitor (label 1011), receiving terminal operating state (label 1012), OAM module (label 1013), PC (label 1014).
4, video optical multiplexer according to claim 1 is characterized in that the user can also obtain the operational environment and the operating state of optical transceiver by the OAM module in the receiving terminal monitor video signal of any route.
5, a kind of video optical multiplexer with multichannel selection function is characterized in that the described video optical multiplexer of claim 1 is carried out the function expansion, has increased the multichannel selection function.
6, video optical multiplexer according to claim 5, it is characterized in that the user can be as required, communicate by OAM module (label 1013) and OAM submodule (label 1004), OAM submodule control MUX is selected several vision signals and is transmitted from a plurality of video source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102395950A CN101431670A (en) | 2008-12-12 | 2008-12-12 | Uncompressed video optical transmitter-receiver with OAM and monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102395950A CN101431670A (en) | 2008-12-12 | 2008-12-12 | Uncompressed video optical transmitter-receiver with OAM and monitoring function |
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| Publication Number | Publication Date |
|---|---|
| CN101431670A true CN101431670A (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008102395950A Pending CN101431670A (en) | 2008-12-12 | 2008-12-12 | Uncompressed video optical transmitter-receiver with OAM and monitoring function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860738A (en) * | 2010-04-02 | 2010-10-13 | 武汉微创光电股份有限公司 | Ethernet-based transmitting and receiving method of uncompressed video |
| WO2011106923A1 (en) * | 2010-03-01 | 2011-09-09 | 杭州海康威视数字技术股份有限公司 | System and method for monitoring based on dual-bus |
-
2008
- 2008-12-12 CN CNA2008102395950A patent/CN101431670A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106923A1 (en) * | 2010-03-01 | 2011-09-09 | 杭州海康威视数字技术股份有限公司 | System and method for monitoring based on dual-bus |
| CN101860738A (en) * | 2010-04-02 | 2010-10-13 | 武汉微创光电股份有限公司 | Ethernet-based transmitting and receiving method of uncompressed video |
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Open date: 20090513 |