CN202334526U - Optical interface collecting card - Google Patents
Optical interface collecting card Download PDFInfo
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- CN202334526U CN202334526U CN201120353212XU CN201120353212U CN202334526U CN 202334526 U CN202334526 U CN 202334526U CN 201120353212X U CN201120353212X U CN 201120353212XU CN 201120353212 U CN201120353212 U CN 201120353212U CN 202334526 U CN202334526 U CN 202334526U
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- capture card
- light mouth
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Abstract
The utility model discloses an optical interface collecting card, which comprises an optical module, an optical interface processing module connected with the optical module for extracting a data packet of TCP/IP, a frame forming module connected with the optical interface processing module for organizing the data in the data packet according to a frame structure, an exchange module connected with the frame forming module for exchanging data with an external network, an EI interface module connected with the exchange module, a collecting module connected with the exchange module for obtaining the data in the exchange module, and a control module for distributing the data of the collecting module to a network interface, wherein the network interface is connected with a computer or a piece of network equipment for transmitting the data. The optical interface collecting card of the utility model has the advantages of strong data analysis scale and analysis capability, sufficient interface categories, convenience for application and maintenance, stable and reliable performance and excellent anti-interference property.
Description
Technical field
The utility model relates to a kind of light mouth capture card.
Background technology
Social in modern times, the optical fiber communication large-scale application is in telecommunications network, and its application scenario is progressively developed to more wide field from trunking traffic between Local Exchange and long distance communication; Its cheap good bandwidth feature makes it to become the main transmission means of telecommunications network.To the developing direction of future communications, combine client's practical application request simultaneously, press for design and develop have high-performance, the light mouth capture card of high integration, to satisfy the demand of future market.
Domestic producer of doing light mouth capture card mainly contains Qingdao Yi Jie Information Technology Co., Ltd and Shenzhen Si Puruite telecom technology co., ltd.The signaling standard kind that the equipment that at present above-mentioned two companies produce is supported, the dilatation cascade of equipment, remote side administration upgrade maintenance etc. are all undesirable, and they can not support different Windows and (SuSE) Linux OS simultaneously.Support to Linux helps system integrator freely to select to have the operating system of independent intellectual property right, thereby improves the fail safe of software, and this is highly significant to the telecom carrier-class device that relates to national security.The overseas market like product is also rare.
The utility model content
Being that the light mouth capture card capacity overcome prior art is little, practical safeguards the deficiency inconvenient, that performance is stable inadequately, and the utility model provides a kind of and has the data analysis scale and the light mouth capture card that analysis ability is powerful, interface type enriches, working service is convenient, stable and reliable for performance, interference free performance is excellent.
Light mouth capture card; Comprise optical module; Be connected optical interface processing module with optical module, be connected with described optical interface processing module,, be connected with described one-tenth frame module, and the Switching Module of extraneous network exchange data the one-tenth frame module that the data in the packet are organized by frame structure with the packet that extracts TCP/IP; The E1 interface module that is connected with described Switching Module; Be connected, obtain the acquisition module of the data in the Switching Module with described Switching Module and will be distributed to the control module of network interface from the data of acquisition module, described network interface is connected, accomplishes data delivery with the computer or the network equipment.
Further, described light mouth capture card has two optical modules.
Further, described light mouth capture card has the secondary development DLL, PCI-E computer interface and dsp chip loading interface.
Further, described network interface is the 10/100M network interface.
The technical conceive of the utility model is: the data of optical module are screening and filtering in real time, can carry out Real-Time IP protocal analysis and encoding and decoding speech to speech data, can carry out the analysis signaling to the signaling protocol data.
Use the optical interface processing module, extract the packet of TCP/IP, the data of IP packet are carried out profound analysis.
Data from optical module can be transmitted from network interface after light mouth processing module, one-tenth frame module, Switching Module, acquisition module and control module analysis, and the network interface data can convert the optical interface transfer of data into.Can the data of optical interface be distributed to network interface and transmit accordingly, and be implemented in and analyze above the various network device and handle again.
Light mouth capture card has the secondary development DLL.Existing product does not have the secondary development DLL, and a lot of value-added services can not load, and causes useful data waste.Can realize the output of all handshaking procedures through the secondary development DLL of gloss truck, make things convenient for other value-added service function of user development, resource is fully used.
Light mouth capture card support equipment management long-range.Through adopting unified equipment control architectural framework, can unify subscriber equipment is safeguarded and the software upgrading management that the operation conditions of watch-dog reduces greatly and installs and after service cost.
Light mouth capture card is supported the PCI-E computer interface.PCI-E has adopted at present popular in the industry point-to-point connected in series, can bring up to a very high frequency to data transmission rate, reach PCI the high bandwidth that can not provide.In the single time cycle, can only realize one-way transmission with respect to traditional PCI bus, two single worker of PCI-E connects the transmission rate and the quality that can provide higher, and the difference between them is similar with half-duplex and full duplex.
The gloss truck is supported standard M3UA interface, supports the multiserver backup, and data loses the safety of assurance data when avoiding system to go wrong very.
Light mouth capture card supports two light mouths to gather, and can monitor 126 E1 circuits on two light mouths simultaneously, selects wherein any 20 E1 and rolls off the production line.
Light mouth capture card has the switching network of 2K*2K, realizes full exchange with all light mouths of fidelity E1 that rolls off the production line, and guarantees that all signalling time slots can both restrain.
Light mouth capture card loads dsp chip, makes can carry out voice VOIP compaction algorithms ability in the equipment and greatly improve.
Light mouth capture card is supported diversified monitoring communication protocol, possesses more greatly more comprehensively protocol analysis ability.
Light mouth capture card has the 10/100M network interface, accomplishes various application functions through this interface and host communication.
Light mouth capture card is taked modularized design, can realize the vast capacity smooth expansion.
Light mouth capture card monolithic can be realized the add drop multiplex of 24 road E1 to 2 road STM-1 optical interface, has the simple telecom bus interface of two-way and is used for professional expansion.
Light mouth capture card is supported TU-12/TU-3 hybrid multiplex structure, can realize that the TU-3 signal reaches the multiplexing and demultiplexing from optical interface to simple telecom bus from the optical interface to the optical interface.
Light mouth capture card can be realized the path protection of SNCP and looped network, supports built-in E1 Error Detector, supports laser to automatically shut down with far-end and closes electric deixis, supports distinctive XE1 expansion interface, supports distinctive AIS+ alarm.
Support simple telecom bus, form, can carry the TU-12/TU-3 load that multi-frame/frame is aimed at by 38.88MHz clock and 2000Hz multiframe alignment signal and 4 Bit data lines.
RC7880A1 has realized the equipment clock function of telotism, has tracking, maintenance and free oscillation mode of operation, for system provides reliable timing.RC7880A1 has the TU-12/TU-3 cross-connect of empty branch character, is responsible between two light directions, simple telecom bus direction and inner mapper, carrying out professional Route Selection.Inner mapper has the channel slot distribution function.RC7880A1 is the also integrated expense cross-connect of 64Kb/s can realize that the time-division divides clog-free interconnection with empty.
RC7880A1 is integrated one 24 road E1 mapper unit, this function both can be used as mapper usefulness in the RC7880A1 sheet, also can be used as independently the E1 mapper chip and used.
RC7880A1 accomplishes the 155.52MHz clock recovery at the STM-1 receive direction, the S/P conversion, and the SOH overhead extraction, the AU-4 pointer interpreter, the POH overhead extraction, and the TU-12/TU-3 pointer is handled.At the STM-1 sending direction, accomplish not load signal generation, the VC-4POH expense is plugged, and the AU-4 pointer produces, and the SOH expense is plugged and the P/S conversion, and tranmitting data register is from inner SEC timing unit.
Adopt the RC7880A1 chip as the optical interface processing module.This chip pins has ADM, TM, PHY and four kinds of mode of operations of MAP to small-sized 155.52Mb/s SDH equipment, can utilize pin and register that mode of operation is set.
Under the ADM pattern, single-chip can be realized the add drop multiplex of 24 road E1 to 2 road STM-1 optical interface, realizes looped network and link network networking.Unit such as built-in synchronizer clock and expense interconnection.
Under the TM pattern, had a mind to limit the straight-through route between A, the B light mouth, all business must be landed, and therefore, only support point-to-point networking, and other functions such as pin and register functions keep identical with the ADM pattern.
Under the PHY pattern, RC7880A1 has become two-way STM-1 optical interface multiplexer, realizes the signal multiplexing from the light mouth to telecom bus.Different with the ADM/TM pattern, owing to increased the C1J1/SPE framing signal, also support the telecom bus interface of VC-4 form.
The MAP pattern has realized 24 road E1 mappers/go mapper, plugs and enables control owing to increased by two buses, can conveniently realize the parallel extended of telecom bus.Under the MAP pattern, the circuit relevant with optical interface and SEC clock all is in low power consumpting state.
The input reference source:
Equipment timing unit (SEC) can receive three kinds of clock sources:
T1 is the input reference signal from optical link, can support 4 the tunnel at most, is called T11 respectively, T12, T13, T14.Wherein from the A light mouth and the B light mouth of inside, T13 and T14 are from pin (multiplexing with the E1 interface pin) respectively for T11, T12.T13 and T14 can be 19.44MH or 38.88MHz.Referring to bit7 and the bit6 of register T1s_reg, and T1freqs_reg1 and T1freqs_reg2.
T2 is the E1 signal without the SDH network transmission from switch, supports one the tunnel, is called T2.In the inner elder generation of SEC it is carried out clock recovery, clock recovered can be used as reference source; If this signal is supported Synchronization Status Message (SSM) simultaneously,, export to the Synchronization Status Message allocation units then with the Synchronization Status Message that solves.The standard of Synchronization Status Message among the relevant E1 is referring to ITU-TG.704.T2 can choose one the tunnel wantonly as synchronisation source from 24 road E1 input.
T3 is the External Reference signal, can be 2.048Mb/s (E1) or 2.048MHz signal.Support 2 the tunnel at most, be called T31 respectively, T32.If the E1 signal, then processing method is identical with T2; If the 2.048MHz signal, then can be directly source as a reference.Relevant register is T2t3t4_reg and T4_reg.
The selection in main reference source, main reference source are meant that reference source of DPLL1 locking.Through specifying register S_reg (3:0), can set the main reference source of using.But main selection algorithm with reference source needs outside software to accomplish.
The utlity model has the advantage that data analysis scale and analysis ability are powerful, interface type abundant, working service is convenient, stable and reliable for performance, interference free performance is excellent.
Description of drawings
Fig. 1 is the system architecture diagram of the utility model.
Embodiment
With reference to accompanying drawing, further specify the utility model:
Light mouth capture card; Comprise optical module; Be connected optical interface processing module with optical module, be connected with described optical interface processing module,, be connected with described one-tenth frame module, and the Switching Module of extraneous network exchange data the one-tenth frame module that the data in the packet are organized by frame structure with the packet that extracts TCP/IP; The E1 interface module that is connected with described Switching Module; Be connected, obtain the acquisition module of the data in the Switching Module with described Switching Module and will be distributed to the control module of network interface from the data of acquisition module, described network interface is connected, accomplishes data delivery with the computer or the network equipment.
Described light mouth capture card has two optical modules.
Described light mouth capture card has the secondary development DLL, PCI-E computer interface and dsp chip loading interface.
Described network interface is the 10/100M network interface.
The technical conceive of the utility model is: the data of optical module are screening and filtering in real time, can carry out Real-Time IP protocal analysis and encoding and decoding speech to speech data, can carry out the analysis signaling to the signaling protocol data.
Use the optical interface processing module, extract the packet of TCP/IP, the data of IP packet are carried out profound analysis.
Data from optical module can be transmitted from network interface after light mouth processing module, one-tenth frame module, Switching Module, acquisition module and control module analysis, and the network interface data can convert the optical interface transfer of data into.Can the data of optical interface be distributed to network interface and transmit accordingly, and be implemented in and analyze above the various network device and handle again.
Light mouth capture card has the secondary development DLL.Existing product does not have the secondary development DLL, and a lot of value-added services can not load, and causes useful data waste.Can realize the output of all handshaking procedures through the secondary development DLL of gloss truck, make things convenient for other value-added service function of user development, resource is fully used.
Light mouth capture card support equipment management long-range.Through adopting unified equipment control architectural framework, can unify subscriber equipment is safeguarded and the software upgrading management that the operation conditions of watch-dog reduces greatly and installs and after service cost.
Light mouth capture card is supported the PCI-E computer interface.PCI-E has adopted at present popular in the industry point-to-point connected in series, can bring up to a very high frequency to data transmission rate, reach PCI the high bandwidth that can not provide.In the single time cycle, can only realize one-way transmission with respect to traditional PCI bus, two single worker of PCI-E connects the transmission rate and the quality that can provide higher, and the difference between them is similar with half-duplex and full duplex.
The gloss truck is supported standard M3UA interface, supports the multiserver backup, and data loses the safety of assurance data when avoiding system to go wrong very.
Light mouth capture card supports two light mouths to gather, and can monitor 126 E1 circuits on two light mouths simultaneously, selects wherein any 20 E1 and rolls off the production line.
Light mouth capture card has the switching network of 2K*2K, realizes full exchange with all light mouths of fidelity E1 that rolls off the production line, and guarantees that all signalling time slots can both restrain.
Light mouth capture card loads dsp chip, makes can carry out voice VOIP compaction algorithms ability in the equipment and greatly improve.
Light mouth capture card is supported diversified monitoring communication protocol, possesses more greatly more comprehensively protocol analysis ability.
Light mouth capture card has the 10/100M network interface, accomplishes various application functions through this interface and host communication.
Light mouth capture card is taked modularized design, can realize the vast capacity smooth expansion.
Light mouth capture card monolithic can be realized the add drop multiplex of 24 road E1 to 2 road STM-1 optical interface, has the simple telecom bus interface of two-way and is used for professional expansion.
Light mouth capture card is supported TU-12/TU-3 hybrid multiplex structure, can realize that the TU-3 signal reaches the multiplexing and demultiplexing from optical interface to simple telecom bus from the optical interface to the optical interface.
Light mouth capture card can be realized the path protection of SNCP and looped network, supports built-in E1 Error Detector, supports laser to automatically shut down with far-end and closes electric deixis, supports distinctive XE1 expansion interface, supports distinctive AIS+ alarm.
Support simple telecom bus, form, can carry the TU-12/TU-3 load that multi-frame/frame is aimed at by 38.88MHz clock and 2000Hz multiframe alignment signal and 4 Bit data lines.
RC7880A1 has realized the equipment clock function of telotism, has tracking, maintenance and free oscillation mode of operation, for system provides reliable timing.RC7880A1 has the TU-12/TU-3 cross-connect of empty branch character, is responsible between two light directions, simple telecom bus direction and inner mapper, carrying out professional Route Selection.Inner mapper has the channel slot distribution function.RC7880A1 is the also integrated expense cross-connect of 64Kb/s can realize that the time-division divides clog-free interconnection with empty.
RC7880A1 is integrated one 24 road E1 mapper unit, this function both can be used as mapper usefulness in the RC7880A1 sheet, also can be used as independently the E1 mapper chip and used.
RC7880A1 accomplishes the 155.52MHz clock recovery at the STM-1 receive direction, the S/P conversion, and the SOH overhead extraction, the AU-4 pointer interpreter, the POH overhead extraction, and the TU-12/TU-3 pointer is handled.At the STM-1 sending direction, accomplish not load signal generation, the VC-4POH expense is plugged, and the AU-4 pointer produces, and the SOH expense is plugged and the P/S conversion, and tranmitting data register is from inner SEC timing unit.
Adopt the RC7880A1 chip as the optical interface processing module.This chip pins has ADM, TM, PHY and four kinds of mode of operations of MAP to small-sized 155.52Mb/s SDH equipment, can utilize pin and register that mode of operation is set.
Under the ADM pattern, single-chip can be realized the add drop multiplex of 24 road E1 to 2 road STM-1 optical interface, realizes looped network and link network networking.Unit such as built-in synchronizer clock and expense interconnection.
Under the TM pattern, had a mind to limit the straight-through route between A, the B light mouth, all business must be landed, and therefore, only support point-to-point networking, and other functions such as pin and register functions keep identical with the ADM pattern.
Under the PHY pattern, RC7880A1 has become two-way STM-1 optical interface multiplexer, realizes the signal multiplexing from the light mouth to telecom bus.Different with the ADM/TM pattern, owing to increased the C1J1/SPE framing signal, also support the telecom bus interface of VC-4 form.
The MAP pattern has realized 24 road E1 mappers/go mapper, plugs and enables control owing to increased by two buses, can conveniently realize the parallel extended of telecom bus.Under the MAP pattern, the circuit relevant with optical interface and SEC clock all is in low power consumpting state.
The input reference source:
Equipment timing unit (SEC) can receive three kinds of clock sources:
T1 is the input reference signal from optical link, can support 4 the tunnel at most, is called T11 respectively, T12, T13, T14.Wherein from the A light mouth and the B light mouth of inside, T13 and T14 are from pin (multiplexing with the E1 interface pin) respectively for T11, T12.T13 and T14 can be 19.44MH or 38.88MHz.Referring to bit7 and the bit6 of register T1s_reg, and T1freqs_reg1 and T1freqs_reg2.
T2 is the E1 signal without the SDH network transmission from switch, supports one the tunnel, is called T2.In the inner elder generation of SEC it is carried out clock recovery, clock recovered can be used as reference source; If this signal is supported Synchronization Status Message (SSM) simultaneously,, export to the Synchronization Status Message allocation units then with the Synchronization Status Message that solves.The standard of Synchronization Status Message among the relevant E1 is referring to ITU-TG.704.T2 can choose one the tunnel wantonly as synchronisation source from 24 road E1 input.
T3 is the External Reference signal, can be 2.048Mb/s (E1) or 2.048MHz signal.Support 2 the tunnel at most, be called T31 respectively, T32.If the E1 signal, then processing method is identical with T2; If the 2.048MHz signal, then can be directly source as a reference.Relevant register is T2t3t4_reg and T4_reg.
The selection in main reference source, main reference source are meant that reference source of DPLL1 locking.Through specifying register S_reg (3:0), can set the main reference source of using.But main selection algorithm with reference source needs outside software to accomplish.
The utlity model has the advantage that data analysis scale and analysis ability are powerful, interface type abundant, working service is convenient, stable and reliable for performance, interference free performance is excellent.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; The protection range of the utility model should not be regarded as and only limit to the concrete form that embodiment states, the protection range of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (4)
1. light mouth capture card, comprise optical module, be connected with optical module with the optical interface processing module of the packet that extracts TCP/IP be connected the network interface of accomplishing data delivery with the computer or the network equipment; The optical interface processing module adopts the RC7880A1 chip; RC7880A1 has and can between two light directions, simple telecom bus direction and inner mapper, carry out the TU-12/TU-3 cross-connect of professional Route Selection and can realize the time-division and the expense cross-connect of the empty clog-free cross-coupled 64Kb/s of branch, and RC7880A1 is integrated with can again can be as 24 road E1 mapper unit of E1 mapping chip independently as mapper in the sheet; Described light mouth capture card also has and guarantees that all light mouths E1 that rolls off the production line realizes the switching network of the 2K*2K of full exchange.
2. light mouth capture card as claimed in claim 1 is characterized in that: described light mouth capture card has two optical modules.
3. according to claim 1 or claim 2 light mouth capture card, it is characterized in that: described light mouth capture card has the secondary development DLL, PCI-E computer interface and dsp chip loading interface.
4. light mouth capture card as claimed in claim 3 is characterized in that: described network interface is the 10/100M network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120353212XU CN202334526U (en) | 2011-09-20 | 2011-09-20 | Optical interface collecting card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120353212XU CN202334526U (en) | 2011-09-20 | 2011-09-20 | Optical interface collecting card |
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| Publication Number | Publication Date |
|---|---|
| CN202334526U true CN202334526U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120353212XU Expired - Fee Related CN202334526U (en) | 2011-09-20 | 2011-09-20 | Optical interface collecting card |
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| CN (1) | CN202334526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374200A (en) * | 2015-10-16 | 2016-03-02 | 北京精密机电控制设备研究所 | High-speed reliable remote data collection storage system |
-
2011
- 2011-09-20 CN CN201120353212XU patent/CN202334526U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374200A (en) * | 2015-10-16 | 2016-03-02 | 北京精密机电控制设备研究所 | High-speed reliable remote data collection storage system |
| CN105374200B (en) * | 2015-10-16 | 2019-01-11 | 北京精密机电控制设备研究所 | A kind of reliable remote data acquisition storage system of high speed |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20180920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |