CN101296389A - Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device - Google Patents
Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device Download PDFInfo
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- CN101296389A CN101296389A CNA2007100400358A CN200710040035A CN101296389A CN 101296389 A CN101296389 A CN 101296389A CN A2007100400358 A CNA2007100400358 A CN A2007100400358A CN 200710040035 A CN200710040035 A CN 200710040035A CN 101296389 A CN101296389 A CN 101296389A
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Abstract
The invention relates to integrated multi-service multiplex equipment of dual-light self-healing protection-typed Ethernet optical switch, which is characterized in that the equipment comprises a power source, a status indicating light, a self-healing switch system, an RS232 serial port to Ethernet module, an IP phone module, a synchronous data transmission module, at least one loop circuit optical interface, a switch chip, an Ethernet interface and a network administrator. The self-healing switch system is connected with the power source, the status indicating light, at least one loop circuit optical interface and the switch chip. The switch chip is connected with the RS232 serial port to Ethernet module, the IP phone module, the synchronous data transmission module, the Ethernet interface and the network administrator. The equipment of the invention has the advantages that the interfaces of various equipment can be converted and multiplexed in two redundancy optical fiber links to be transmitted and converged, and two loop circuit optical interfaces can be conveniently switched and the failure switching duration is not more than 50ms.
Description
Technical field
The present invention relates to a kind of pair of light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device, can widely apply in the measurement and control network of industries such as electric power, coal, oil, belong to communication technical field.
Background technology
In the optical communication in early stage was built, a large amount of optical transmission devices did not possess the Optical Line Protection performance, always has following several application:
1. point to point system: as shown in Figure 1, a key light mouth R-T unit is connected its shortcoming with a key light mouth R-T unit: in case optical link interrupts, whole system will be paralysed.
2. two light mouth folk prescriptions are to mode: as shown in Figure 2, though connect key light mouth R-T unit and auxilliary light mouth R-T unit simultaneously, after the key light line interruption, can switch on the auxilliary optical link, switching time is long, and does not have protection mechanism.
Summary of the invention
The objective of the invention is to invent and a kind ofly the plurality of devices interface conversion can be multiplexed in 2 heavy surplus optical fiber links and transmit and converge, two light self-cure protection type Ethernet light that can conveniently switch two loop light mouths exchange multi-service synthetic multiplexing devices.
For realizing above purpose; technical scheme of the present invention provides a kind of pair of light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device; it is characterized in that; by power supply; status indicator lamp; the self-healing switching system; the RS232 serial ports changes ethernet module; the IP phone module; the synchronous data transmission module; at least one loop light mouth; exchange chip; Ethernet interface and webmaster are formed; the self-healing switching system respectively with power supply; status indicator lamp; at least one loop light mouth is connected with exchange chip, and exchange chip changes ethernet module with the RS232 serial ports respectively; the IP phone module; the synchronous data transmission module; Ethernet interface is connected with webmaster.
Described self-healing switching system is made up of loop switch failure detection module cpt001 and packet emulation cpt-002, loop switch failure detection module cpt001 is connected with Ethernet by Switch-IC, be connected with loop light mouth A, loop light mouth B respectively by two serial/parallel conversions, be connected with packet emulation cpt-002 simultaneously, packet emulation cpt-002 is connected with single-chip microcomputer.
The present invention can be compound to the ethernet signal of a plurality of websites in the optical fibre ring link to be transmitted, system's support is to the automatic detection of optical fiber loop and switch, switching time is not more than 50ms, support at least one loop can set up various fiber optic networks such as chain, annular, T shape, the MAC mouth speed 100Mbit/s of system meets the IEEE802.3 standard, the transmission of supported vlans frame, can connect exchange chip, there is inband NMS channel support overall situation webmaster in system and automatic data link test and fault reset function is arranged.
Loop light mouth of the present invention adopts the FDDI fiber distributed data interface agreement of simplifying; the annular link transmission and the heavy surplus protection of Fast Ethernet have been realized; the FDDI that constitutes by optical fiber; its basic structure is reverse dicyclo; a ring is a main ring; another ring is standby ring; when the equipment failure on the main ring or optical cable break down; by can continue to keep the operate as normal of FDDI to the switching of standby ring from main ring; loop light mouth protocol-compliant IEEE802.3U-100FX; interface data adopts simplifies the FDDI protocol transmission, and the MAC Address memory depth can arrive 2048, and the study filtering rule meets ieee standard.
Advantage of the present invention is:
1. looped network adopts FDDI to simplify agreement, the equal compatible IEEE802.3 standard of each interface;
2. support that broadcast storm suppresses, automatically packet is filtered with MAC Address and remember;
3. support an above optical fiber loop to transmit simultaneously, the high bandwidth 196Mbit/s in every station;
4. support the detection and the self-healing of optical fiber loop, the disturbance switching time is not more than 50ms;
5. the light mouth can be set up various fiber optic networks such as chain, annular, T shape, complex;
6. holding the website number in the network link at most is 128, requires every station address unique;
7. multiple LED indication outputs such as light path is disconnected, loop is disconnected, data LINK are arranged;
8. can transmit 12Bit external switch amount data by inband NMS channel;
9. support the automatic data link test, realize the recovery that automatically resets of fault such as system in case of system halt;
10. single 5V power supply of system and employing technical grade standard design support power supply heavy surplus.
Description of drawings
Fig. 1 is former point-to-point connection diagram;
Fig. 2 is that former pair of light mouth folk prescription is to connection diagram;
Fig. 3 is two light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device structural representations;
Fig. 4 is a self-healing switching system structural representation;
Fig. 5 is a MAC interface connection diagram of the present invention;
Fig. 6 is set up 1+1 light mouth catch net schematic diagram for the present invention;
Fig. 7 is set up the chain net schematic diagram for the present invention;
Fig. 8 is set up the ring network schematic diagram for the present invention;
Fig. 9 is set up T shape net schematic diagram for the present invention;
Figure 10 is set up complex net schematic diagram for the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 3; be two light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device structural representations; described pair of light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device is by power supply; status indicator lamp; the self-healing switching system; the RS232 serial ports changes ethernet module; the IP phone module; the synchronous data transmission module; at least one loop light mouth; exchange chip; Ethernet interface and webmaster are formed; the self-healing switching system respectively with power supply; status indicator lamp; at least one loop light mouth is connected with exchange chip, and exchange chip changes ethernet module with the RS232 serial ports respectively; the IP phone module; the synchronous data transmission module; Ethernet interface is connected with webmaster.As shown in Figure 4, be self-healing switching system structural representation, described self-healing switching system is made up of loop switch failure detection module cpt001, packet emulation cpt-002, single-chip microcomputer, loop switch failure detection module cpt001 is connected with Ethernet by Switch-IC, be connected with loop light mouth A, loop light mouth B respectively by two serial/parallel conversions, be connected with packet emulation cpt-002 simultaneously, packet emulation cpt-002 is connected with single-chip microcomputer.
This self-healing system makes up the heavy surplus light path and the network management interface of synthetic multiplexing device, and change-over panel is finished multiservice interface to the conversion of ether interface with converge.The interface of various ether interface change-over panel support can comprise: RS232/RS485/RS422, CAN, audio frequency, IP phone, 64K synchrodata, E1 etc.Equipment can adapt to various complicated fiber optic cloth spider lines and can monitor and manage any apparatus in the network.
The Ethernet interface chip is realized the conversion of data format between ethernet side RJ45 interface and the MII interface, mainly finishes the data transmit-receive and the buffering of physical layer, the modulation of data-signal in fiber medium.Adopt the AC101 of Altima company or the rtl8305SB of Reltek company.
FDDI protocol processes cpt-001 is responsible for management of the conversion of the fault detect of the transmitting-receiving parsing of management, token of looped network and transmission, Fiber In The Loop FITE and link switchover, different agreement Frame and buffering, each interface data frame MAC etc., it is that the core of system adopts 800,000 FPGA, core work frequency 200MHz.Can adopt the product of the same capacity levels of the fpga chip of appropriate level of ACTEL company or companies such as XILINX and ALTRA.
Ether packet emulation cpt-002 finishes the packing of two layers of ether data and the test of two layers of link, adopts FPGA to finish equally.
CPU just single-chip microcomputer finishes the teletransmission of local system state and to the management of far end system.CPU inside has the WDT house dog to guarantee can both operate as normal under any state.CPU also will monitor all chips of system except that carrying out the webmaster communication.When detect chip operation have when unusual will by management interface reset part chip circuit or carry out Global reset.CPU also monitors service channel by the cooperation of cpt-002, when finding to have data communication such as broadcast storm unusual, will send the Pause frame to the part interface and manage.System CPU adopts 8 high-speed microprocessors, and it can be configured and manage program chip, and it is connected with monitor terminal by serial ports simultaneously.Can select for use the single-chip microcomputer of ST company or AT company to realize flexibly.
Optical transceiving device is realized the conversion of the signal of telecommunication and light signal, adopts the integrated module of optical transceiver of Central China, Wuhan science and technology.
System power supply is heavy waste heat back-up job pattern, and system device all selects for use high-quality technical grade device MTBF greater than 100,000 hours.
Loop light mouth is the interface that is used for setting up annular or chain net.Each system supports 2 loop light mouths, and they are defined by loop light mouth A and loop light mouth B.Loop light mouth just can couple together them when two or more system group network.Interconnection arbitrarily between the loop light mouth A of two systems and the loop light mouth B:
The concrete application of the present invention is as follows:
As shown in Figure 5, be type MAC interface connection diagram of the present invention, the MAC down going port of system goes out one or more RJ45 mouths after connecting exchange chip.The RJ45 cable interface can directly connect terminal equipments such as computer, also can connect switch cascade mouth once more.
As shown in Figure 6, for 1+1 light mouth catch net schematic diagram is set up in the present invention, two the present invention can be set up point-to-point heavy surplus optical fiber link.Two road light mouth A/B of the present invention can connect arbitrarily during connection, and two the present invention need be made as a main website, a slave station under this networking model, and connecting the loop alarm indication of correct back at optical fiber should extinguish.Branch road light mouth can not deal with but can not be from ring during this networking model.
As shown in Figure 7, for the chain net schematic diagram is set up in the present invention, 2 or 2 above the present invention can be set up the chain optical fiber link, during connection a road light mouth B of the present invention be connected with next road light mouth A of the present invention, can only establish a main website in this networking model system, all the other are slave station.Connecting correct back loop alarm indication OP-LOOP at optical fiber can not extinguish, and does not transmit but do not influence data.Under this networking model branch road light mouth and useless loop light mouth can not deal with but can not from the ring.It is 128 that chain net holds the website number at most, and each station must be provided with unduplicated address.
As shown in Figure 8, for the ring network schematic diagram is set up in the present invention, ring network is a classical group net mode of the present invention, and 2 or 2 above the present invention can be set up the optical fibre ring link, can only establish a main website in this networking model system, and all the other are slave station.Connecting correct back loop alarm indication OP-LOOP at optical fiber can extinguish.Under this networking model branch road light mouth can not deal with but can not from the ring.It is 128 that chain net holds the website number at most, and each station must be provided with unduplicated address.
As shown in Figure 9, set up T shape net schematic diagram for the present invention, T shape net is to be combined by ring network and chain net, and the centre can be interconnected by branch road light mouth.Their setting is equal to discrete annular and chain net, a main website all will be set in each network, and site address can not repeat in the network, and it is 128 that T shape net holds the website number at most.
As shown in figure 10, for complex net schematic diagram is set up in the present invention, the complex net is to be combined by a plurality of ring networks and a plurality of chain net, can be interconnected by branch road light mouth in the middle of each network.Their setting is equal to a plurality of discrete annulars and chain net, a main website all will be set in each network, and site address can not repeat in the network.It also is 128 that the complex net holds the website number at most.
Claims (2)
1. two light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device; it is characterized in that; by power supply; status indicator lamp; the self-healing switching system; the RS232 serial ports changes ethernet module; the IP phone module; the synchronous data transmission module; at least one loop light mouth; exchange chip; Ethernet interface and webmaster are formed; the self-healing switching system respectively with power supply; status indicator lamp; at least one loop light mouth is connected with exchange chip, and exchange chip changes ethernet module with the RS232 serial ports respectively; the IP phone module; the synchronous data transmission module; Ethernet interface is connected with webmaster.
2. a kind of pair of light self-cure protection type Ethernet light exchange multi-service synthetic multiplexing device according to claim 1; it is characterized in that; described self-healing switching system is made up of loop switch failure detection module (cpt001), packet emulation (cpt-002); loop switch failure detection module (cpt001) is connected with Ethernet by Switch-IC; be connected with at least one loop light mouth respectively by serial/parallel conversion; be connected with packet emulation (cpt-002) simultaneously, packet emulation (cpt-002) is connected with single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100400358A CN101296389A (en) | 2007-04-26 | 2007-04-26 | Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device |
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| CNA2007100400358A CN101296389A (en) | 2007-04-26 | 2007-04-26 | Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device |
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| CN101296389A true CN101296389A (en) | 2008-10-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239669A (en) * | 2011-01-14 | 2011-11-09 | 华为技术有限公司 | Data forwarding method and router |
| CN103023558A (en) * | 2012-12-05 | 2013-04-03 | 中国船舶重工集团公司第七一九研究所 | Transmission system for operation control information of marine power plant |
| CN104917562A (en) * | 2015-05-29 | 2015-09-16 | 上海邮电设计咨询研究院有限公司 | Data self-healing ring network organizing system based on optical fiber transmission |
| CN110784263A (en) * | 2019-11-05 | 2020-02-11 | 中航华东光电（上海）有限公司 | Optical fiber transmission device with redundancy function based on FPGA |
| CN112565028A (en) * | 2020-11-16 | 2021-03-26 | 国网浙江宁波市鄞州区供电有限公司 | Multi-point to multi-point multi-service access system based on IP transmission network |
-
2007
- 2007-04-26 CN CNA2007100400358A patent/CN101296389A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239669A (en) * | 2011-01-14 | 2011-11-09 | 华为技术有限公司 | Data forwarding method and router |
| US9118546B2 (en) | 2011-01-14 | 2015-08-25 | Huawei Technologies Co., Ltd. | Data forwarding method and router |
| CN103023558A (en) * | 2012-12-05 | 2013-04-03 | 中国船舶重工集团公司第七一九研究所 | Transmission system for operation control information of marine power plant |
| CN103023558B (en) * | 2012-12-05 | 2015-10-28 | 中国船舶重工集团公司第七一九研究所 | Transmission system for operation control information of marine power plant |
| CN104917562A (en) * | 2015-05-29 | 2015-09-16 | 上海邮电设计咨询研究院有限公司 | Data self-healing ring network organizing system based on optical fiber transmission |
| CN110784263A (en) * | 2019-11-05 | 2020-02-11 | 中航华东光电（上海）有限公司 | Optical fiber transmission device with redundancy function based on FPGA |
| CN110784263B (en) * | 2019-11-05 | 2021-10-26 | 中航华东光电（上海）有限公司 | Optical fiber transmission device with redundancy function based on FPGA |
| CN112565028A (en) * | 2020-11-16 | 2021-03-26 | 国网浙江宁波市鄞州区供电有限公司 | Multi-point to multi-point multi-service access system based on IP transmission network |
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Open date: 20081029 |