CN101527870B - Multi-Ethernet photoelectric conversion device and method for receiving and transmitting fiber data - Google Patents
Multi-Ethernet photoelectric conversion device and method for receiving and transmitting fiber data Download PDFInfo
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Abstract
The invention relates to a multi-Ethernet photoelectric conversion device and a method for receiving and transmitting fiber data, by judging the size of parallel data bit m and multi-path Ethernet data total bit 5*n processed by serial parallel conversion of an optical transceiver module, if the parallel data bit m is greater than or equal to 5*n, n-path Ethernet data frames are directly mapped to a fixed virtual circuit in turn so that multi-path Ethernet data can be transmitted in the same optical fiber and are physically isolated with each other, so the method has the advantages of little time delay and optical channel resource conservation; and if the parallel data bit m is less than 5*n, frame positioning is achieved through frame positioning bytes, the n-path Ethernet data frames are mapped to a corresponding virtual circuit so that the multi-path Ethernet data can be transmitted in the same optical fiber and are physically isolated with each other.
Description
Technical field
The present invention relates to communication technical field, the receiving/transmission method of especially a kind of many Ethernets photoelectric conversion device and fiber data.
Background technology
Present many Ethernets optical-electrical converter implementation all is that the digital synchronous multiple connection/separate multiplex circuit by frame alignment is that the multichannel Ethernet data is set up the optical channel of isolating mutually, realizes the exchange of Ethernet data and light data-signal.Such mode need increase locating frame at transmitting terminal, and the operation that receiving terminal need increase frame synchronization and remove locating frame must cause the bigger shortcoming of Ethernet data time delay like this.And optical channel also will will certainly cause the waste of optical channel bandwidth like this for locating frame increases bandwidth.
Summary of the invention
The receiving/transmission method that the purpose of this invention is to provide a kind of many Ethernets photoelectric conversion device and fiber data, can more save the optical channel resource, make the Ethernet data time delay realize that littlelyr a fibre circuit provides a plurality of linear speed ethernet channels, and the professional of each passage isolated mutually.
A kind of many Ethernets photoelectric conversion device of the present invention mainly comprises electricity mouthful unit, converting unit and Guang Kou unit, and this electricity mouth unit is connected with converting unit, the transmitting-receiving of the Ethernet data of realization and converting unit; This Guang Kou unit is connected with converting unit, the transmitting-receiving of the light data-signal of realization and converting unit; Described converting unit mainly comprises digital multiplexing/separate multiple connection module, optical transceiver module and timing/clock recovery module; Wherein digital multiplexing/the separate digital multiplexing module in the multiple connection module comprises parallel data figure place judge module, simple multiple connection module, becomes frame module, time division multiplexing module; Digital multiplexing/the separate digital solution multiple connection module in the multiple connection module comprises that parallel data figure place judge module, simple Demultiplexing module, time-division demultiplexing module conciliate frame module;
Described optical transceiver module comprises optical transmission module and Optical Receivers; Described optical transmission module receives the data light signal that the digital multiplexing module transmits, encode and parallel/serial conversion after the light data-signal is sent to described Guang Kou unit; Described Optical Receivers receives the light data-signal of described Guang Kou unit, carries out sending the light data-signal to digital solution multiple connection module after serial/parallel conversion and the decoding;
This converting unit judge by the parallel data figure place judge module of digital multiplexing/separate multiple connection module optical transceiver module parallel-to-serial converter/deserializer the size of treatable parallel data figure place and multichannel Ethernet data total bit, if the total bit of parallel data figure place 〉=multichannel Ethernet data, directly the multichannel ethernet data frame is mapped in the fixing virtual circuit successively, realizes conversion between Ethernet data and the light data-signal by optical transceiver module in physically-isolated mode each other; If the total bit of parallel data figure place＜multichannel Ethernet data, then by increasing frame alignment byte achieve frame location, the multichannel ethernet data frame is mapped in the corresponding virtual circuit, realizes conversion between Ethernet data and the light data-signal by optical transceiver module in physically-isolated mode each other;
Described timing/clock recovery module will be that the Frame of frame head is multiplexed into the light data-signal clock is provided with the locating frame for the time division multiplexing module; For optical transmission module carries out parallel/serial conversion to the light data-signal and coding provides clock; For Optical Receivers carries out serial/parallel conversion to the light data-signal and decoding provides clock; For the time-division demultiplexing module demultiplexes into the light data-signal with the locating frame is that the Frame of frame head provides clock.
Described digital multiplexing/the separate digital multiplexing module in the multiple connection module receives the multichannel Ethernet data that electricity mouthful unit sends, that judge optical transceiver module by parallel data figure place judge module and string conversion the size of treatable parallel data figure place and multichannel Ethernet data figure place 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, this n road ethernet data frame is mapped in the fixing virtual circuit successively by simple multiple connection module, sends to optical transmission module with the light data-signal; If parallel data figure place＜multichannel Ethernet data total bit 5*n, it is the frame of frame head that this n road ethernet data frame becomes with the locating frame by the framing module package, to be the frame of frame head with the locating frame by the time division multiplexing module by several timeslices, locate by frame alignment byte achieve frame, n road ethernet data frame is mapped in the corresponding virtual circuit, constantly sends optical transmission module to the light data-signal;
Described digital multiplexing/the separate digital solution multiple connection module in the multiple connection module receives the light data-signal of Optical Receivers, by parallel data figure place judge module judge the string of Optical Receivers and conversion the size of treatable parallel data figure place and multichannel Ethernet data total bit 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, directly from fixing virtual circuit with light data-signal tap n road ethernet data frame successively, be sent to electricity mouthful unit; If parallel data figure place＜multichannel Ethernet data total bit 5*n, by time-division demultiplexing module search locating frame, after determining the position of locating frame, the data light signal that Optical Receivers is received by several timeslices, composition is the frame of frame head with the locating frame, remove the frame alignment byte by separating frame module again, deblocking is dressed up n road Ethernet data, is sent to electricity mouthful unit.
The method of reseptance of a kind of many Ethernets photoelectric conversion device of the present invention fiber data mainly comprises following step:
The sending method of a kind of many Ethernets photoelectric conversion device of the present invention fiber data mainly comprises following step:
Step 1: receive Ethernet data from electricity mouthful unit, send to the digital multiplexing/demultiplexing module of converting unit;
Step 3, optical transceiver module send to the Guang Kou unit after with light data-signal coding and parallel/serial conversion.
The receiving/transmission method of a kind of many Ethernets photoelectric conversion device of the present invention and fiber data, string by judging optical transceiver module and conversion treatable parallel data figure place m and multichannel Ethernet data total bit 5*n (n represents the way of Ethernet, 5 represent 4 Ethernet data signals and 1 Ethernet data useful signal) size, if parallel data figure place m 〉=multichannel Ethernet data total bit 5*n, directly n road ethernet data frame is mapped in the fixing virtual circuit successively, make the multichannel Ethernet data in same optical fiber, to transmit, and physical isolation each other, it is little to have time delay, saves the advantage of optical channel resource; If parallel data figure place m＜multichannel Ethernet data total bit 5*n, then locate by frame alignment byte achieve frame, n road ethernet data frame is mapped in the corresponding virtual circuit, makes the multichannel Ethernet data in same optical fiber, to transmit, and physical isolation each other.
Description of drawings
Fig. 1 is the functional block diagram of many Ethernets of the present invention photoelectric conversion device;
Fig. 2 is the functional block diagram of many Ethernets of the present invention photoelectric conversion device converting unit;
Fig. 3 is the digital multiplexing of many Ethernets of the present invention photoelectric conversion device converting unit/separate multiple connection functional block diagram;
Many Ethernets photoelectric conversion device data receiver was to circuit diagram when Fig. 4 was parallel data figure place m of the present invention 〉=5*n;
Many Ethernets photoelectric conversion device Data Receiving direction circuit diagram when Fig. 5 is parallel data figure place m of the present invention 〉=5*n;
Many Ethernets photoelectric conversion device data receiver was to circuit diagram when Fig. 6 was parallel data figure place m of the present invention＜5*n;
Many Ethernets photoelectric conversion device Data Receiving direction circuit diagram when Fig. 7 is parallel data figure place m of the present invention＜5*n.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment
Referring to Fig. 1, many 10/100M Ethernet photoelectric conversion device of the present invention mainly comprises electricity mouthful unit 1, converting unit 2 and Guang Kou unit 3; Wherein, an electricity mouthful unit 1 is connected with converting unit 2, the transmitting-receiving of the Ethernet data of realization and converting unit 2; This converting unit 2 by judging optical transceiver module 22 string and conversion treatable parallel data figure place m and multichannel Ethernet data total bit 5*n (n represents the way of Ethernet, 5 represent 4 Ethernet data signals and 1 Ethernet data useful signal) size, determine whether to need to increase frame alignment byte and time division multiplexing/demultiplexing, set up the optical channel of isolating mutually for the multichannel Ethernet data, realize the conversion of Ethernet data and light data-signal; This Guang Kou unit 3 is connected with converting unit 2, the transmitting-receiving of the light data-signal of realization and converting unit 2.
As shown in Figures 2 and 3, described converting unit 2 mainly comprises digital multiplexing/separate multiple connection module 21, optical transceiver module 22 and timing/clock recovery module 23; Wherein digital multiplexing/the separate digital multiplexing module 210 in the multiple connection module 21 comprises parallel data figure place judge module 211, simple multiple connection module 212, becomes frame module 213, time division multiplexing module 214; Digital multiplexing/the separate digital solution multiple connection module 218 in the multiple connection module 21 comprises that parallel data figure place judge module 211, simple Demultiplexing module 215, time-division demultiplexing module 216 conciliate frame modules 217.
After being multiplexed to the light data-signal, the multichannel Ethernet data that described digital multiplexing/separate multiple connection module 21 sends electricity mouthful unit 1 sends to optical transceiver module 22; Receive through optical transceiver module 22 serial/parallel conversions and decoded smooth data-signal, separate and be multiplexed to the multichannel Ethernet data and send to electricity mouthful unit 1.
Described optical transceiver module 22 comprises optical transmission module 221 and Optical Receivers 222.
Described optical transmission module 221 receives the data light signal that digital multiplexing module 210 transmits, encode and parallel/serial conversion after the light data-signal is sent to described Guang Kou unit 3; Described Optical Receivers 222 receives the light data-signal of described Guang Kou unit 3, carries out sending the light data-signal to digital solution multiple connection module 218 after serial/parallel conversion and the decoding.
Described timing/clock recovery module 23 will be that the Frame of frame head is multiplexed into the light data-signal clock is provided with the locating frame for time division multiplexing module 214; For 22 pairs of light data-signals of optical transceiver module carry out parallel/serial conversion and coding provides clock; For 22 pairs of light data-signals of optical transceiver module carry out serial/parallel conversion and decoding provides clock; For time-division demultiplexing module 216 demultiplexes into the light data-signal with the locating frame is that the Frame of frame head provides clock.
As shown in Figure 3, parallel data figure place judge module 211 judge the string of optical transceiver modules 22 and conversion the size of treatable parallel data figure place m and multichannel Ethernet data total bit 5*n, if m 〉=5*n, directly n road ethernet data frame is mapped in the fixing virtual circuit successively by simple multiple connection module 212, is sent to optical transceiver module 22 with the light data-signal; If m＜5*n, is the frame of frame head with n road ethernet data frame by becoming frame module 213 to be packaged into the locating frame, to be that the frame of frame head constantly is sent to optical transceiver module 22 by time division multiplexing module 214 with the locating frame by several timeslices, promptly locate with frame alignment byte achieve frame, n road ethernet data frame is mapped in the corresponding virtual circuit, be sent to optical transceiver module 22 with the light data-signal, be sent to Guang Kou unit 3 again.Equally, by parallel data figure place judge module 211 judge the string of optical transceiver modules 22 and conversion the size of treatable parallel data figure place m and multichannel Ethernet data figure place 5*n, if m 〉=5*n, simple Demultiplexing module 215 directly from fixing virtual circuit with light data-signal tap n road ethernet data frame successively; If m＜5*n, by the position of time-division demultiplexing module 216 search locating frames and the light data-signal that optical transceiver module 22 is received by several timeslices, composition is the frame of frame head with the locating frame, remove the frame alignment byte by separating frame module 217, deblocking is dressed up n road Ethernet data, is sent to electricity mouthful unit 1 again.
When Fig. 4 is parallel data figure place m 〉=5*n, many Ethernets photoelectric conversion device sending direction circuit diagram.Because optical transmission module 221 can disposable transmission n road Ethernet data,, digital multiplexing module 210 sends optical transmission module 221 to so can be directly being multiplexed to one road m position light data-signal successively with the Ethernet data of electricity mouth unit 1, n road.
When Fig. 5 is parallel data figure place m 〉=5*n, many Ethernets photoelectric conversion device receive direction circuit diagram.This digital solution multiple connection module 218 can directly be divided the Ethernet data that is connected into the n road with the m position light data-signal that receives from Optical Receivers 222 successively, sends electricity mouthful unit 1 to.
When Fig. 6 is parallel data figure place m＜5*n, many Ethernets photoelectric conversion device sending direction circuit diagram.Because optical transmission module 221 can't disposable transmission n road Ethernet data, so digital multiplexing module 210 can only utilize several timeslices that the Ethernet data on n road is multiplexed into one road m position light data-signal, send optical transmission module 221 to, for can accurately being separated, receiving terminal is multiplexed to n road Ethernet data, need utilize into that frame module 213 is packaged into the ethernet data frames on n road with the locating frame earlier is the frame of frame head, utilizes time division multiplexing module 214 time division multiplexinges to become one road m position light data-signal again.
Fig. 7 is parallel data figure place m＜5*n, many Ethernets photoelectric conversion device receive direction circuit diagram.Digital solution multiple connection module 218 by time-division demultiplexing module 216 from the m position light data-signal that Optical Receivers 222 receives, the search locating frame, utilizing several timeslices that data are demultiplexed into the locating frame after the frame synchronization is the frame of frame head, utilize again and separate frame module 217, remove frame head, the data deblocking is dressed up n road Ethernet data, be sent to electricity mouthful unit 1 again.
The method of reseptance of a kind of many Ethernets photoelectric conversion device of the present invention fiber data mainly comprises following step:
The sending method of a kind of many Ethernets photoelectric conversion device of the present invention fiber data mainly comprises following step:
Step 1: receive Ethernet data from electricity mouthful unit 1, send to the digital multiplexing/demultiplexing module 21 of converting unit 2;
Step 3, optical transceiver module 22 send to Guang Kou unit 3 after with light data-signal coding and parallel/serial conversion.
Core of the present invention is: by judging optical transceiver module 22 strings and the figure place m of transfer capability and the size of n road Ethernet data total bit 5*n (4 Ethernet data signals and 1 Ethernet data useful signal), if parallel data figure place m 〉=5*n, directly n road ethernet data frame is mapped in the fixing virtual circuit successively, make the multichannel Ethernet data in same optical fiber, to transmit, and physical isolation each other, it is little to have time delay, saves the advantage of optical channel resource; If parallel data figure place m＜5*n then by frame alignment byte achieve frame location, is mapped to n road ethernet data frame in the corresponding virtual circuit, make the multichannel Ethernet data in same optical fiber, to transmit, and physical isolation each other.
Claims (4)
1. Ethernet photoelectric conversion device more than a kind comprises electricity mouthful unit, converting unit and Guang Kou unit, and this electricity mouth unit is connected with converting unit, the transmitting-receiving of the Ethernet data of realization and converting unit; This Guang Kou unit is connected with converting unit, the transmitting-receiving of the light data-signal of realization and converting unit; It is characterized in that: described converting unit mainly comprises digital multiplexing/separate multiple connection module, optical transceiver module and timing/clock recovery module; Wherein digital multiplexing/the separate digital multiplexing module in the multiple connection module comprises parallel data figure place judge module, simple multiple connection module, becomes frame module, time division multiplexing module; Digital multiplexing/the separate digital solution multiple connection module in the multiple connection module comprises that parallel data figure place judge module, simple Demultiplexing module, time-division demultiplexing module conciliate frame module;
Described optical transceiver module comprises optical transmission module and Optical Receivers; Described optical transmission module receives the light data-signal that the digital multiplexing module transmits, encode and parallel/serial conversion after the light data-signal is sent to described Guang Kou unit; Described Optical Receivers receives the light data-signal of described Guang Kou unit, carries out sending the light data-signal to digital solution multiple connection module after serial/parallel conversion and the decoding;
This converting unit judge by the parallel data figure place judge module of digital multiplexing/separate multiple connection module optical transceiver module parallel-to-serial converter/deserializer the size of treatable parallel data figure place and multichannel Ethernet data total bit, if the total bit of parallel data figure place 〉=multichannel Ethernet data, directly the multichannel ethernet data frame is mapped in the fixing virtual circuit successively, realizes conversion between Ethernet data and the light data-signal by optical transceiver module in physically-isolated mode each other; If the total bit of parallel data figure place＜multichannel Ethernet data, then by increasing frame alignment byte achieve frame location, the multichannel ethernet data frame is mapped in this virtual circuit, realizes conversion between Ethernet data and the light data-signal by optical transceiver module in physically-isolated mode each other;
Described timing/clock recovery module will be that the Frame of frame head is multiplexed into the light data-signal clock is provided with the locating frame for the time division multiplexing module; For optical transmission module carries out parallel/serial conversion to the light data-signal and coding provides clock; For Optical Receivers carries out serial/parallel conversion to the light data-signal and decoding provides clock; For the time-division demultiplexing module demultiplexes into the light data-signal with the locating frame is that the Frame of frame head provides clock.
2. a kind of many Ethernets photoelectric conversion device according to claim 1 is characterized in that:
Described digital multiplexing/the separate digital multiplexing module in the multiple connection module receives the multichannel Ethernet data that electricity mouthful unit sends, that judge optical transceiver module by parallel data figure place judge module and string conversion the size of treatable parallel data figure place and multichannel Ethernet data total bit 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, this n road ethernet data frame is mapped in the fixing virtual circuit successively by simple multiple connection module, sends to optical transmission module with the light data-signal; If parallel data figure place＜multichannel Ethernet data total bit 5*n, it is the frame of frame head that this n road ethernet data frame becomes with the locating frame by the framing module package, to be the frame of frame head with the locating frame by the time division multiplexing module by several timeslices, locate by frame alignment byte achieve frame, n road ethernet data frame is mapped in the corresponding virtual circuit, constantly sends optical transmission module to the light data-signal;
Described digital multiplexing/the separate digital solution multiple connection module in the multiple connection module receives the light data-signal of Optical Receivers, by parallel data figure place judge module judge the string of Optical Receivers and conversion the size of treatable parallel data figure place and multichannel Ethernet data total bit 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, directly from fixing virtual circuit with light data-signal tap n road ethernet data frame successively, be sent to electricity mouthful unit; If parallel data figure place＜multichannel Ethernet data total bit 5*n, by time-division demultiplexing module search locating frame, after determining the position of locating frame, the light data-signal that Optical Receivers is received by several timeslices, composition is the frame of frame head with the locating frame, remove the frame alignment byte by separating frame module again, deblocking is dressed up n road Ethernet data, is sent to electricity mouthful unit.
3. according to the method for reseptance of the fiber data of claim 1,2 described any many Ethernets photoelectric conversion devices, it is characterized in that: mainly comprise following step:
Step 1, receive the light data-signal, send to the optical transceiver module of converting unit, send to digital multiplexing/separate multiple connection module again through the serial/parallel conversion of this optical transceiver module and decoded smooth data-signal from the Guang Kou unit;
Step 2, by parallel data figure place judge module judge the string of optical transceiver module and conversion the size of treatable parallel data figure place and multichannel Ethernet data total bit 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, then simple Demultiplexing module directly from fixing virtual circuit with light data-signal tap n road ethernet data frame successively; If parallel data figure place＜multichannel Ethernet data total bit 5*n, by the position of time-division demultiplexing module search locating frame and the light data-signal that optical transceiver module is received by several timeslices, composition is the frame of frame head with the locating frame, remove the frame alignment byte by separating frame module, deblocking is dressed up n road Ethernet data, is sent to electricity mouthful unit again.
4. according to the sending method of the fiber data of claim 1,2 described any many Ethernets photoelectric conversion devices, it is characterized in that: mainly comprise following step:
Step 1: receive Ethernet data from electricity mouthful unit, send to the digital multiplexing/demultiplexing module of converting unit;
Step 2, by parallel data figure place judge module judge the string of optical transceiver module and conversion the size of treatable parallel data figure place and multichannel Ethernet data total bit 5*n, if parallel data figure place 〉=multichannel Ethernet data total bit 5*n, directly n road ethernet data frame is mapped in the fixing virtual circuit successively by simple multiple connection module, is sent to optical transceiver module with the light data-signal; If parallel data figure place＜multichannel Ethernet data total bit 5*n, it is the frame of frame head that n road ethernet data frame is become with the locating frame by the framing module package, by the time division multiplexing module will be that the frame of frame head is located by frame alignment byte achieve frame with the locating frame by several timeslices, n road ethernet data frame is mapped in the corresponding virtual circuit, constantly sends optical transceiver module to the light data-signal;
Step 3, optical transceiver module send to the Guang Kou unit after with light data-signal coding and parallel/serial conversion.
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| CN116346231B (en) * | 2023-05-29 | 2023-08-11 | 杭州飞畅科技有限公司 | Multi-channel E1 data transmission system and method based on Ethernet PHY chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1512686A (en) * | 2002-12-26 | 2004-07-14 | 上海恒拓光电科技有限公司 | Simplified Ethernet passive optical network transmiter-receiver and method for its signal transmission |
| 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 |
| CN201398192Y (en) * | 2009-03-27 | 2010-02-03 | 厦门福信光电集成有限公司 | Multiple-Ethernet electric-to-optical conversion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1512686A (en) * | 2002-12-26 | 2004-07-14 | 上海恒拓光电科技有限公司 | Simplified Ethernet passive optical network transmiter-receiver and method for its signal transmission |
| 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 |
| CN201398192Y (en) * | 2009-03-27 | 2010-02-03 | 厦门福信光电集成有限公司 | Multiple-Ethernet electric-to-optical conversion device |
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