CN101359963B - Dual Ethernet optical fiber transceiver, transceiving method and system - Google Patents
Dual Ethernet optical fiber transceiver, transceiving method and system Download PDFInfo
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- CN101359963B CN101359963B CN2008102232027A CN200810223202A CN101359963B CN 101359963 B CN101359963 B CN 101359963B CN 2008102232027 A CN2008102232027 A CN 2008102232027A CN 200810223202 A CN200810223202 A CN 200810223202A CN 101359963 B CN101359963 B CN 101359963B
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Abstract
The invention discloses a dual-Ethernet optical fiber transceiver, a transceiver method and a transceiver system, wherein, the optical fiber transceiver comprises: a protocol conversion unit which builds optical channels isolated mutually for two ways of Ethernet data through byte frame alignment and realizes the conversion of Ethernet data and data light signals; and an electrical interface unit and an optical interface unit connected with the protocol conversion unit for respectively realizing the receiving and transmission of Ethernet data and the receiving and transmission of data light signals with the protocol conversion unit. The byte is utilized to implement the frame alignment to Ethernet data, two ways of Ethernet data frames are sequentially mapped into independent virtual circuits, so the two ways of Ethernet data can be transmitted on the same optical fiber and are in physical isolation mutually, and the transceiver has the advantages of large capacity, data security and cost saving.
Description
Technical field
The present invention relates to communication technical field, especially a kind of Dual-Ethernet fiber optical transceiver, receiving/transmission method and system.
Background technology
Fiber optical transceiver is a kind of Ethernet transmission medium converting unit that the light signal of short-range twisted-pair feeder signal of telecommunication and long distance is exchanged, and the connection distance of having extended Ethernet has been broken and utilized twisted-pair feeder can only transmit hundred meters distance limit.Fiber optical transceiver generally is applied in Ethernet cable and can't covers, must use in the real network environment that optical fiber extends transmission distance, and the Access Layer that is positioned broadband metropolitan area network is usually used.
At present, common fiber optical transceiver only can be finished one road light/electricity conversion, the Ethernet data transmission that promptly provides an ethernet channel to realize a 100M (linear speed), do not have also to realize that a fibre circuit provides the technology of two linear speed ethernet channels of isolating mutually simultaneously, so, defectives such as common single channel fiber optical transceiver exists can not make full use of resource, and the utilance of optical fiber is low.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of Dual-Ethernet fiber optical transceiver, receiving/transmission method and system, realize that a fibre circuit provides two linear speed ethernet channels, and the professional of two passages isolated mutually.
The objective of the invention is to be achieved through the following technical solutions:
A kind of Dual-Ethernet fiber optical transceiver comprises:
Conversion unit of protocol, it is orientated the two-way Ethernet data as by byte frame and sets up the optical channel of isolating mutually, realizes the conversion of Ethernet data and data light signal;
Electric interface unit, it is connected with described conversion unit of protocol, the transmitting-receiving of Ethernet data between realization and the described conversion unit of protocol;
UFIU UMSC Fiber Interface Unit, it is connected with described conversion unit of protocol, the transmitting-receiving of the data light signal between realization and the described conversion unit of protocol.
A kind of Dual-Ethernet optical fiber receive-transmit system, it comprises: centralized frame of local side and above-mentioned Dual-Ethernet fiber optical transceiver, the centralized frame of described local side is connected with one or more fiber optical transceivers, the corresponding optical fiber of described fiber optical transceiver is connected with a fiber optical transceiver, realizes point-to-point connection communication or point-to-multipoint connection communication between fiber optical transceiver.
A kind of data transmission method for uplink of Dual-Ethernet fiber optical transceiver utilizes above-mentioned Dual-Ethernet fiber optical transceiver, comprising:
Receive the two-way Ethernet data from electric interface unit;
The frame module that is packaged into of conversion unit of protocol carries out the Generic Framing Procedure protocol encapsulation to described two-way Ethernet data and becomes ethernet data frame and High-Level Data Link Control frame alignment is provided, recovery utilizes A1/A2 byte achieve frame location with module, the two-way ethernet data frame is mapped in the independent virtual circuit successively sends to the optical interface circuit with the data light signal.
A kind of data receive method of Dual-Ethernet fiber optical transceiver utilizes above-mentioned Dual-Ethernet fiber optical transceiver, comprising:
Receive the data light signal of UFIU UMSC Fiber Interface Unit;
The demultiplexing module of conversion unit of protocol detects the A1/A2 byte from described data light signal, restore the two-way ethernet data frame, the described frame module that is packaged into carries out the decapsulation of Generic Framing Procedure agreement and sends to electric interface unit to recover the two-way Ethernet data.
As seen from the above technical solution provided by the invention, Dual-Ethernet fiber optical transceiver of the present invention, receiving/transmission method and system:
The present invention utilizes A1/A2 byte achieve frame location, the two-way ethernet data frame is mapped in the independent virtual circuit successively, offer special-purpose passage, make that two-way Ethernet data information can be with transmission on same optical fiber, double than common fiber optical transceiver bandwidth, and physical isolation mutually is applicable to that the different business net merges the occasion of transmission, has that capacity is big, an advantage of data security, saving cost.
Description of drawings
Fig. 1 is the formation block diagram of Dual-Ethernet fiber optical transceiver of the present invention;
Fig. 2 is the formation block diagram of conversion unit of protocol in the Dual-Ethernet fiber optical transceiver of the present invention;
Fig. 3 is the typical point-to-point application schematic diagram of Dual-Ethernet fiber optical transceiver of the present invention.
Embodiment
The invention provides a kind of Dual-Ethernet fiber optical transceiver, can receive or send the two-way Ethernet data and comprise 100M or 10M, comprising:
Conversion unit of protocol, it is orientated the two-way Ethernet data as by byte frame and sets up the optical channel of isolating mutually, realizes the conversion of Ethernet data and data light signal;
Electric interface unit, it is connected with described conversion unit of protocol, the transmitting-receiving of Ethernet data between realization and the described conversion unit of protocol;
UFIU UMSC Fiber Interface Unit, it is connected with described conversion unit of protocol, the transmitting-receiving of the data light signal between realization and the described conversion unit of protocol.
Particularly, described conversion unit of protocol comprise be packaged into frame module and recovery usefulness/demultiplexing module:
Describedly be packaged into two-way Ethernet data that frame module sends described electric interface unit and carry out the Generic Framing Procedure protocol encapsulation and become ethernet data frame and High-Level Data Link Control frame alignment is provided, recovery utilizes A1/A2 byte achieve frame location with module, the two-way ethernet data frame is mapped in the independent virtual circuit successively transmits with the data light signal; And
The demultiplexing module of described recovery usefulness/demultiplexing module restores the two-way ethernet data frame detect the A1/A2 byte from the data light signal after, and the described frame module that is packaged into carries out the decapsulation of Generic Framing Procedure agreement to recover the two-way Ethernet data.
Furthermore, described conversion unit of protocol also comprises optical transceiver module, and described optical transceiver module comprises optical transmission module and Optical Receivers:
Described optical transmission module receives described recovery with the data light signal that the module transmission comes, and carries out serial/parallel conversion and coding, and then the data light signal is sent to described UFIU UMSC Fiber Interface Unit;
Described Optical Receivers receives the data light signal that described UFIU UMSC Fiber Interface Unit transmission comes, and decodes and serial/parallel conversion, and then the data light signal is issued described demultiplexing module.
Furthermore, described conversion unit of protocol also comprises timing/clock recovery module, and described optical transmission module carries out serial/parallel conversion and coding according to the clock that time block provides to the data light signal;
Described Optical Receivers is decoded and serial/parallel conversion to the data light signal according to clock recovery module.
Furthermore, described conversion unit of protocol also comprises the webmaster control module, and it manages control to above-mentioned Ethernet data and data light signal.
The present invention is under identical technical conceive, a kind of Dual-Ethernet fiber data receive-transmit system also is provided, it comprises centralized frame of local side and above-mentioned fiber optical transceiver, the centralized frame of described local side is connected with one or more fiber optical transceivers, the corresponding optical fiber of described fiber optical transceiver is connected with a fiber optical transceiver, realizes point-to-point connection communication or point-to-multipoint connection communication between fiber optical transceiver.
The present invention provides a kind of sending method of Dual-Ethernet fiber data again under identical technical conceive, utilize above-mentioned Dual-Ethernet fiber optical transceiver, comprising:
Receive the two-way Ethernet data from electric interface unit;
The frame module that is packaged into of conversion unit of protocol carries out the Generic Framing Procedure protocol encapsulation to described two-way Ethernet data and becomes ethernet data frame and High-Level Data Link Control frame alignment is provided, recovery utilizes A1/A2 byte frame location with module, the two-way ethernet data frame is mapped in the independent virtual circuit successively sends to the optical interface circuit with the data light signal.
Further, the optical transmission module of conversion unit of protocol carries out serial/parallel conversion and coding to described recovery with the data light signal that the module transmission comes, and again the data light signal is sent to the optical interface circuit.
The present invention provides a kind of method of reseptance of Dual-Ethernet fiber data again under identical technical conceive, utilize above-mentioned Dual-Ethernet fiber optical transceiver, comprising:
Receive the data light signal of UFIU UMSC Fiber Interface Unit;
The demultiplexing module of conversion unit of protocol detects the A1/A2 byte from described data light signal, restore the two-way ethernet data frame, the described frame module that is packaged into carries out the decapsulation of Generic Framing Procedure agreement and sends to electric interface unit to recover the two-way Ethernet data.
Further, the Optical Receivers of conversion unit of protocol the data light signal of UFIU UMSC Fiber Interface Unit is decoded and serial/parallel conversion after pass to described demultiplexing module.
As from the foregoing, Dual-Ethernet fiber optical transceiver of the present invention, receiving/transmission method and system utilize A1/A2 byte frame location, two-way 100M/10M ethernet data frame is mapped in the independent virtual circuit successively, offer special-purpose optical channel, make that two-way Ethernet data information can be with transmission on same optical fiber, double than common fiber optical transceiver bandwidth, and physical isolation mutually, be applicable to that the different business net merges the occasion of transmission, as the access of internal office work net and internet, have that capacity is big, an advantage of data security, saving cost.
Embodiment one
As shown in Figure 1, a kind of Dual-Ethernet fiber optical transceiver comprises:
Conversion unit of protocol 2, it is orientated the two-way Ethernet data as by byte frame and sets up the optical channel of isolating mutually, realizes the conversion of Ethernet data and data light signal, can receive or send two-way 100M Ethernet data;
Electric interface unit 1, it is connected with conversion unit of protocol 2, specifically can comprise electrical interface circuit and Ethernet PHY (network interface card) interface chip, interface chip is realized the Ethernet data transmitting-receiving between electrical interface circuit and the conversion unit of protocol 2, electric interface unit 1 is realized transmitting-receiving of two-way Ethernet data and physical layer interface function, and electric interface unit 1 also provides 2 Ethernet electrical interfaces;
UFIU UMSC Fiber Interface Unit 3, it is connected with conversion unit of protocol 2, specifically can comprise the optical interface circuit, the transmitting-receiving of the data light signal between UFIU UMSC Fiber Interface Unit 3 realizations and the conversion unit of protocol 2, UFIU UMSC Fiber Interface Unit 3 also provides 1 optical interface.
Particularly, conversion unit of protocol 2 is responsible for the ethernet standards encapsulation and ethernet data frame is converted to the Frame Protocol conversion of light signal, finishes two-way and transmits the foundation of passage and provide respective bandwidth and frame is delimited, frame is multiplexing, frame scrambler and client's service management.As shown in Figure 2, conversion unit of protocol 2 can be the design of FPGA (programmable logic chip), and it comprises: be packaged into frame module 21, and recovery usefulness/demultiplexing module 22, optical transceiver module 23, regularly/clock recovery module 24 and webmaster control module 25.
Be packaged into frame module 21, for transmit next Ethernet data from electric interface unit 1 for, being packaged into frame module 21 encapsulates according to international standard GFP (Generic Framing Procedure agreement), two-way 100M (linear speed FE) Ethernet data that adopts HDLC (High-Level Data Link Control) frame alignment technology that electric interface unit 1 is sent carries out standard packaging, and frame demarcation, multiplexing, the frame scrambler of frame are provided.
Recovery usefulness/demultiplexing module 22, its be packaged into frame module 21 and be connected, be used to realize that ethernet data frame is converted to the protocol conversion of light signal.Recovery, is set up and is transmitted passage---VC (virtual circuit) by A1/A2 byte achieve frame location with module, and corresponding bandwidth is provided, and the two-way 100M ethernet data frame that is packaged into frame module 21 is mapped to virtual circuit successively transmit with the data light signal.Provide two 100M ethernet channels by opening special-purpose passage, realized the professional of different user effectively isolated in physical layer, promptly physical isolation between two 100M ethernet channels can guarantee safety of data transmission and stability fully.
And, for transmit next data light signal from UFIU UMSC Fiber Interface Unit 3 for, reduction obtains complete two-way Ethernet logical data the demultiplexing module of recovery usefulness/demultiplexing module 22 detects the A1/A2 byte from the data light signal after, be packaged into frame module 21 and carry out decapsulation, the Ethernet logical data is gone scrambler, crc error check (Cyclical Redundancy Check), removes the byte of gfp frame head to recover two-way 100M Ethernet data.
Optical transceiver module 23, it is connected with/demultiplexing module 22 with recovery, and it is the integrated module of optical transceiver, comprises optical transmission module and Optical Receivers:
Optical transmission module receives recovery with the two-way 100M data light signal that the module transmission comes, and carries out serial/parallel conversion and coding, then the data light signal is sent to UFIU UMSC Fiber Interface Unit 3 with 200M light mouth speed;
Optical Receivers receives UFIU UMSC Fiber Interface Unit 3 and transmits the 200M data light signal of coming, and decodes and serial/parallel conversion, passes to above-mentioned demultiplexing module then.
Regularly/and clock recovery module 24, it is connected with optical transceiver module 23, and optical transmission module carries out serial/parallel conversion and coding according to the clock that time block provides to the data light signal; Optical Receivers is decoded and serial/parallel conversion to the data light signal according to clock recovery module.
Webmaster control module 25, it is connected with/demultiplexing module 22 with recovery, webmaster control module such as MDC/MDIO (clock signal/bi-directional data signal) webmaster control module, its data-signal to fiber optical transceiver is implemented management control, for example judge Ethernet electrical interface operating state, whether the optical link connection status is normal, and the optical interface signal receives, the transmission situation, and far-end optical interface dropout situation, and can indicate by a plurality of indicator lights 4 of Dual-Ethernet fiber optical transceiver setting.
The Dual-Ethernet fiber optical transceiver also provides a plurality of plectrum switches 5, is used to control self adaptation negotiation or 100M/10M, full duplex or the half-duplex interface mode of operation of Ethernet, and its data are read by webmaster control module 25, do not give unnecessary details at this.
By present embodiment as can be known, the present invention utilizes A1/A2 byte achieve frame location, two-way linear speed ethernet data frame is mapped in the independent virtual circuit successively, offer special-purpose optical channel, make two-way linear speed Ethernet data information on same optical fiber, to transmit with the 200M optical speed, double than common fiber optical transceiver bandwidth, and physical isolation mutually, be applicable to that the different business net merges the occasion of transmission, as the access of internal office work net and internet, have that capacity is big, an advantage of data security, saving cost.
Embodiment two
A kind of Dual-Ethernet optical fiber receive-transmit system comprises centralized frame of local side and Dual-Ethernet fiber optical transceiver.The centralized frame of local side possesses the webmaster ability, and webmaster dish and some business interfaces are provided, and business interface comprises 2 Ethernet electrical interfaces and 1 optical interface, and it can insert a plurality of Dual-Ethernet fiber optical transceivers.The business interface that the Dual-Ethernet fiber optical transceiver provides comprises 2 Ethernet electrical interfaces and 1 optical interface.
As shown in Figure 3, the Dual-Ethernet fiber optical transceiver is set in pairs, one is called the local side fiber optical transceiver, and the local side fiber optical transceiver is connected with another Dual-Ethernet fiber optical transceiver by single fiber or two fine optical fiber, and this is called the distal fiber transceiver.Local side and the distal fiber transceiver that is provided with realized point-to-point information communication in pairs, the Dual-Ethernet fiber optical transceiver can be used for two-way 100M Ethernet data information to be transmitted on same optical fiber, double than common fiber optical transceiver bandwidth, as insert internal office work information network and internet public information, have that capacity is big, an advantage of data security, saving cost.
In addition, can know that the centralized frame of local side can be inserted a plurality of Dual-Ethernet fiber optical transceivers, a plurality of local side fiber optical transceivers promptly are set, corresponding each local side fiber optical transceiver is distinguished optical fiber again and is connected a distal fiber transceiver, has realized the information communication of point-to-multipoint, does not give unnecessary details at this.
Embodiment three
As shown in Figure 1 and Figure 2, a kind of data transmission method for uplink of Dual-Ethernet fiber optical transceiver comprises:
Receive two-way 100M Ethernet data from electric interface unit 1;
21 couples of two-way 100M of frame module Ethernet data that is packaged into of conversion unit of protocol 2 carries out the GFP encapsulation and HDLC is provided frame alignment, recovery is located by the A1/A2 byte frame with module, two-way 100M ethernet data frame after the encapsulation is mapped in the virtual circuit successively, transmit with 200M data light signal;
The optical transmission module of conversion unit of protocol 2 carries out serial/parallel conversion and coding to described recovery with the data light signal that the module transmission comes, and then the data light signal is sent to UFIU UMSC Fiber Interface Unit 3;
As from the foregoing, utilize A1/A2 byte achieve frame location, two-way linear speed ethernet data frame is mapped in the independent virtual circuit successively, offer special-purpose optical channel, make two-way linear speed Ethernet data information on same optical fiber, to transmit, double than common fiber optical transceiver bandwidth, and physical isolation mutually, be applicable to that the different business net merges the occasion of transmission, as the access of internal office work net and internet, have that capacity is big, an advantage of data security, saving cost.
Embodiment four
As shown in Figure 1 and Figure 2, a kind of data receive method of Dual-Ethernet fiber optical transceiver comprises:
Receive the data light signal of UFIU UMSC Fiber Interface Unit 3;
The demultiplexing module of conversion unit of protocol 2 restores complete two-way ethernet data frame detect the A1/A2 byte from 200M data light signal after, be packaged into frame module 21 and carry out decapsulation, promptly go the byte of scrambler, crc error check, removal gfp frame head to recover two-way 100M Ethernet data at last, and then output to electric interface unit 1.
Wherein, the data light signal of UFIU UMSC Fiber Interface Unit is decoded and serial/parallel conversion, pass to the recovery processing that demultiplexing module is carried out above-mentioned two-way 100M Ethernet data then by the Optical Receivers of conversion unit of protocol 2.
As from the foregoing, the present invention utilizes A1/A2 byte achieve frame location, two-way linear speed ethernet data frame is mapped in the independent virtual circuit successively, offer special-purpose optical channel, make two-way linear speed Ethernet data information on same optical fiber, to transmit with the 200M optical speed, double than common fiber optical transceiver bandwidth, and physical isolation mutually, be applicable to that the different business net merges the occasion of transmission, as the access of internal office work net and internet, have that capacity is big, an advantage of data security, saving cost.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. a Dual-Ethernet fiber optical transceiver is characterized in that, comprising:
Conversion unit of protocol, it is orientated the two-way Ethernet data as by byte frame and sets up the optical channel of isolating mutually, realizes the conversion of Ethernet data and data light signal;
Electric interface unit, it is connected with described conversion unit of protocol, the transmitting-receiving of Ethernet data between realization and the described conversion unit of protocol;
UFIU UMSC Fiber Interface Unit, it is connected with described conversion unit of protocol, the transmitting-receiving of the data light signal between realization and the described conversion unit of protocol;
Described conversion unit of protocol comprise be packaged into frame module and recovery usefulness/demultiplexing module:
Describedly be packaged into the two-way Ethernet data that frame module sends described electric interface unit and become ethernet data frame and High-Level Data Link Control frame alignment is provided by the Generic Framing Procedure protocol encapsulation, the recovery of described recovery usefulness/demultiplexing module utilizes A1/A2 byte achieve frame location with module, the two-way ethernet data frame is mapped in the independent virtual circuit successively transmits with the data light signal; And
The demultiplexing module of described recovery usefulness/demultiplexing module restores described two-way ethernet data frame detect the A1/A2 byte from the data light signal after, and the described frame module that is packaged into carries out the decapsulation of Generic Framing Procedure agreement to recover described two-way Ethernet data.
2. Dual-Ethernet fiber optical transceiver according to claim 1 is characterized in that described conversion unit of protocol also comprises optical transceiver module, and described optical transceiver module comprises optical transmission module and Optical Receivers:
Described optical transmission module receives described recovery with the data light signal that the module transmission comes, and carries out serial/parallel conversion and coding, and then the data light signal is sent to described UFIU UMSC Fiber Interface Unit;
Described Optical Receivers receives the data light signal that described UFIU UMSC Fiber Interface Unit transmission comes, and decodes and serial/parallel conversion, and then the data light signal is issued described demultiplexing module.
3. Dual-Ethernet fiber optical transceiver according to claim 2, it is characterized in that, described conversion unit of protocol also comprises time block and clock recovery module, and described optical transmission module carries out serial/parallel conversion and coding according to the clock that described time block provides to the data light signal;
Described Optical Receivers is decoded and serial/parallel conversion to the data light signal according to described clock recovery module.
4. according to claim 1,2 or 3 described Dual-Ethernet fiber optical transceivers, it is characterized in that described conversion unit of protocol also comprises the webmaster control module, it manages control to above-mentioned Ethernet data and data light signal.
5. Dual-Ethernet fiber data receive-transmit system, it is characterized in that, it comprises the centralized frame of local side and as arbitrary described Dual-Ethernet fiber optical transceiver among the claim 1-4, the centralized frame of described local side is connected with one or more described Dual-Ethernet fiber optical transceivers, each of described one or more Dual-Ethernet fiber optical transceivers more respectively optical fiber be connected with the described Dual-Ethernet fiber optical transceiver of a far-end, realize between the Dual-Ethernet fiber optical transceiver that point-to-point connection communication or point-to-multipoint connect communication.
6. the sending method of a Dual-Ethernet fiber data is characterized in that, utilizes arbitrary described Dual-Ethernet fiber optical transceiver among the claim 1-4, comprising:
Receive the two-way Ethernet data from electric interface unit;
The frame module that is packaged into of conversion unit of protocol becomes ethernet data frame and High-Level Data Link Control frame alignment is provided by the Generic Framing Procedure protocol encapsulation described two-way Ethernet data, recovery utilizes A1/A2 byte achieve frame location with module, the two-way ethernet data frame is mapped in the independent virtual circuit successively sends to the optical interface circuit with the data light signal.
7. the sending method of Dual-Ethernet fiber data according to claim 6, it is characterized in that, the optical transmission module of conversion unit of protocol carries out serial/parallel conversion and coding to described recovery with the data light signal that the module transmission comes, and again the data light signal is sent to the optical interface circuit.
8. the method for reseptance of a Dual-Ethernet fiber data is characterized in that, utilizes arbitrary described Dual-Ethernet fiber optical transceiver among the claim 1-4, comprising:
Receive the data light signal of UFIU UMSC Fiber Interface Unit;
The demultiplexing module of conversion unit of protocol detects the A1/A2 byte from described data light signal, restore the two-way ethernet data frame, the frame module that is packaged into of described conversion unit of protocol carries out the decapsulation of Generic Framing Procedure agreement to the two-way ethernet data frame that is restored and sends to electric interface unit to recover the two-way Ethernet data.
9. the method for reseptance of Dual-Ethernet fiber data according to claim 8 is characterized in that, the Optical Receivers of described conversion unit of protocol the data light signal of described UFIU UMSC Fiber Interface Unit is decoded and serial/parallel conversion after pass to described demultiplexing module.
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| CN102075259B (en) * | 2010-12-20 | 2014-08-20 | 武汉微创光电股份有限公司 | Self-adaption dual gigabit Ethernet optical fiber transceiver and method for transmitting optical fibers by using same |
| CN104579492A (en) * | 2014-12-16 | 2015-04-29 | 河南铭视安防工程有限公司 | Transmit-receive method and system of Ethernet fiber transceiver |
| CN206258858U (en) * | 2016-08-31 | 2017-06-16 | 国家电网公司 | A kind of emulation interface device suitable for flexible direct current power transmission system |
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| CN1118159C (en) * | 1999-09-16 | 2003-08-13 | 厦门大学 | 100 Mbps optical fiber transceiver for communication in computer Ethernet |
| CN1479459A (en) * | 2003-06-26 | 2004-03-03 | 北京瑞斯康达科技发展有限公司 | Ethernet optical fiber transceiver and data transceiving method used on said tranceiver |
| CN1956361A (en) * | 2006-09-22 | 2007-05-02 | 武汉光迅科技股份有限公司 | Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1118159C (en) * | 1999-09-16 | 2003-08-13 | 厦门大学 | 100 Mbps optical fiber transceiver for communication in computer Ethernet |
| CN1479459A (en) * | 2003-06-26 | 2004-03-03 | 北京瑞斯康达科技发展有限公司 | Ethernet optical fiber transceiver and data transceiving method used on said tranceiver |
| CN1956361A (en) * | 2006-09-22 | 2007-05-02 | 武汉光迅科技股份有限公司 | Implementing method of one-way transmission from Ethernet optical transmitting port to optical transmitting port and its optical fibre transceiver |
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