CN103986491A - EPON device - Google Patents
EPON device Download PDFInfo
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- CN103986491A CN103986491A CN201410071559.3A CN201410071559A CN103986491A CN 103986491 A CN103986491 A CN 103986491A CN 201410071559 A CN201410071559 A CN 201410071559A CN 103986491 A CN103986491 A CN 103986491A
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Abstract
The invention discloses an EPON device. The EPON device comprises an optical signal transceiver module, a voice processing module, a DSP and a PON MAC. The optical signal transceiver module is used for photoelectric conversion of voice data; the PON MAC is used for performing decompression and clock signal recovery on the voice data and sending the data to the DSP according to a time sequence in accordance with the destination address of a data frame; the DSP is used for encoding demodulation of the voice data; the voice processing module is used for digital-to-analog conversion of the voice data and is also used for analog-to-digital conversion of the voice data; the DSP is used for encoding modulation of the voice data for converting into an Ethernet packet; the PON MAC is used for compressing and packaging the Ethernet packet for converting into the data frame; and the optical signal transceiver module is used for photoelectric conversion of the data frame. According to the invention, a VOIP function is integrated into an EPON device, so that the use of the DSP, the Ethernet transceiver module and other modules in a VOIP device is reduced, and the material cost of the overall device is effectively reduced.
Description
Technical field
The present invention relates to a kind of EPON equipment, particularly relate to a kind of EPON equipment with VOIP function.
Background technology
Ethernet passive optical-fiber network, the English EPON that is called for short, is a kind of single fiber bi-directional Optical Access Network that adopts point-to-multipoint structure, has that cost is low, the life-span long, distance and a bandwidth advantages of higher.Due to the advantage of EPON system self, become in recent years that Fiber to the home, English Fiber-To-The-Home, the first-selection in optical communication technology field of being called for short.As shown in Figure 1, in existing EPON equipment, comprise: the optical signal transceiver module 11 being connected with optical fiber, the Ethernet transceiver module 13 being connected with the ethernet end device such as personal computer and the PON MAC12 being connected with optical signal transceiver module 11 and Ethernet transceiver module 13 form, and need a power module to provide power supply to each functional module simultaneously.
VOIP(Voice over Internet Protocol) be exactly by analog signal (voice) digitlization, with the form of data packet (Data Packet), in IP network (IP Network), do real-time transmission.The advantage of VOIP maximum is to adopt widely Internet(internet) and the environment of global ip (agreement interconnecting between network) interconnection,, better service more than traditional business is provided.VOIP can be cheap in IP network the business such as transmission voice, fax, video and data.By the use of VOIP, domestic consumer can save a national distance cost of the phone call, and enterprise can effectively reduce operation cost, increase work efficiency, so VOIP technology has become the important support of speech business and enterprise network business development.As shown in Figure 2, in existing VOIP end product structure, comprise: the voice transmitting-receiving module 21 being connected with phone, the Ethernet transceiver module 22 being connected with access network equipment, the DSP(Digital Signal Processing of carrying out modulation /demodulation for the data to from voice transmitting-receiving module 21) 23.DSP23 can be converted into ethernet frame by the data from voice transceiver module 21 and mail to Ethernet transceiver module 22, Ethernet transceiver module 22 need be connected with access network equipments such as routers, by VOIP equipment access network, thereby realize transmission and the exchange of VOIP information on network.In addition also need a power module to provide power supply to each functional module.
As depicted in figs. 1 and 2, the Ethernet transceiver module of existing VOIP equipment must be connected with the Ethernet transceiver module of EPON equipment, thereby realizes the transmission of VOIP signal in network, completes the information exchange with other network users.The VOIP downstream signal that carrys out automatic network enters VOIP equipment with the form of Ethernet package by Ethernet transceiver module, by VOIP equipment, undertaken being converted into analog signal transmission to user sides such as telephone set or facsimile machines after data processing, the up VOIP signal of simulation from telephone set (facsimile machine) etc. enters after VOIP equipment, by VOIP equipment, carry out data processing, the form that is converted into Ethernet package is transferred on network by Ethernet transceiver module.Current networking VOIP equipment is equipment independently, and it need to be by being connected and could using in access network with the network access equipment such as router, EPON equipment.Such occupation mode, has increased the complexity of user side networking, has brought larger workload to follow-up network operation.The connection of VOIP equipment and EPON terminal equipment is used, and the too much limited family space that taken, has affected the clean and tidy and attractive in appearance of family.Two equipment are all used independently power module simultaneously, have brought larger energy resource consumption, do not meet the electronic equipment developing direction of current energy-saving and emission-reduction.
Summary of the invention
The technical problem to be solved in the present invention is in order to overcome VOIP equipment and the separate defect that causes networking complexity of EPON equipment in prior art, a kind of EPON equipment with VOIP function to be provided.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of EPON equipment, it comprises Ethernet transceiver module, its feature is, this EPON equipment also comprises optical signal transceiver module, speech processing module and CPU, this CPU comprises DSP module and PONMAC(EPON media interviews control) module, this EPON equipment comprises optical network interface for connecting optical network, for connecting the communication interface of communication equipment and for the network interface of interconnection network equipment, wherein
This optical signal transceiver module is for carrying out opto-electronic conversion to the speech data from optical-fiber network;
This PON MAC module is for carrying out decompression and recovering clock signals and send to chronologically DSP module according to the destination address of Frame being converted into the speech data of the signal of telecommunication;
This DSP module is for carrying out coded demodulation to speech data;
This speech processing module for the speech data after digital-to-analogue conversion demodulation to send into this communication equipment,
And this speech processing module is the speech data from this communication equipment for analog-to-digital conversion;
This DSP module is used for coded modulation speech data to be converted to Ethernet package and to send into this PON MAC module;
This PON MAC module is for compressing this Ethernet package of encapsulation to be converted into the Frame of optical-fiber network transmission;
This optical signal transceiver module is changed this Frame to be sent to optical-fiber network for electric light.
In the present invention, optical signal transceiver module is connected to optical-fiber network by optical fiber, reception is from the light pulse signal of optical-fiber network, and light pulse signal is converted into the signal of telecommunication sends to CPU, the signal of telecommunication from CPU is converted into light pulse signal simultaneously and sends to optical-fiber network, realize thus the opto-electronic conversion of downstream signal and the conversion of the electric light of upward signal.
Preferably, this CPU comprises PCM(pulse code modulation interface) interface and SPI interface (Serial Peripheral Interface (SPI)), by this speech processing module of this pcm interface and this DSP, realize exchanges data, by this DSP of this SPI interface, control this speech processing module and realize the control to this communication equipment.
Preferably, this Ethernet transceiver module is set to PHY(physical layer) pattern, for the treatment of ethernet physical layer data, the passage that carries out message transmissions between PON MAC module and the network equipment is provided, realize the data transaction between physical layer and PON MAC module.
Except processed voice data, EPON equipment of the present invention is such to the processing of Ethernet data:
Down direction: come the Ethernet data of automatic network to carry out light signal in optical signal transceiver module and be converted into the signal of telecommunication, then be transferred to PON MAC, in PON MAC, carry out the decompression of data and the recovery of clock signal, then according to the destination address of Frame, by certain sequential, send in Ethernet transceiver module.Ethernet transceiver module provides the logistics path that carries out exchanges data between the subscriber terminal equipments such as EPON terminal equipment and computer or router, it carries out coded demodulation by the Ethernet data from PON MAC, then according to certain physical interface rule, session path by setting up with the subscriber terminal equipment such as computer or router, is sent to the subscriber terminal equipments such as computer or router according to correct sequential.
Up direction: from the Ethernet data signal of the subscriber terminal equipments such as computer or router by and Ethernet transceiver module between the session path set up be sent to Ethernet transceiver module, Ethernet transceiver module is according to physical interface rule, according to correct sequential, receive the Ethernet data from subscriber terminal equipments such as computer or routers, and the Ethernet data receiving is carried out sending in PON MAC after coded modulation, in PON MAC, carry out the marshalling of data, compression encapsulation, be converted into the Frame that is applicable to optical-fiber network transmission, then send to optical signal transceiver module, after being converted into light signal, the signal of telecommunication sends on optical-fiber network, exchanges data between realization and domestic consumer and the network platform.
Preferably, this optical network interface is single fiber bi-directional optical interface.
Preferably, this communication interface is RJ11.
Preferably, this network interface is that RJ45(RJ11 and RJ45 are two kinds of common interfaces).
Preferably, the QCA8821 that this CPU is high pass.
Preferably, this EPON equipment comprises a power management module, for changing civil power, thinks the power supply of EPON equipment.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
1, by the functional module of VOIP is integrated in EPON equipment, reduced the use of the module such as DSP, Ethernet transceiver module in VOIP equipment, effectively reduce the Material Cost of VOIP equipment.And the DSP using in VOIP equipment in former networking mode, Ethernet transceiver module are devices independently, the PON MAC in EPON equipment, Ethernet transceiver module are also devices independently.By the present invention, with a CPU, replaced independently device of two of original DSP and PON MAC, Ethernet transceiver module has reduced one.
2, by the functional module of VOIP is integrated in EPON equipment, make VOIP functional module and EPON equipment can share same power management module, effectively reduce the consumption of equipment to electric power, realized energy-saving and emission-reduction.
3, by the application of the EPON equipment with VOIP function, in actual networking, eliminate independent VOIP equipment, simplified the complexity of networking, optimized the conditions for equipment use of family, the maintenance cost of having saved equipment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of EPON equipment in prior art.
Fig. 2 is the schematic diagram of VOIP equipment in prior art.
Fig. 3 is the schematic diagram of the EPON equipment of one embodiment of the invention.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
With reference to figure 3, EPON equipment described in the present embodiment, it comprises Ethernet transceiver module 30, and optical signal transceiver module 33, speech processing module 31 and CPU32, this CPU32 comprises DSP module 321 and PON MAC module 322, this EPON equipment comprises optical network interface for connecting optical network, for connecting the communication interface of communication equipment (Fig. 3 take telephone set, facsimile machine be example) and for the network interface of interconnection network equipment (Fig. 3 take router, computer be example), wherein
This optical signal transceiver module 33 is carried out opto-electronic conversion for the speech data to from optical-fiber network;
This PON MAC module 322 is for carrying out decompression and recovering clock signals and send to chronologically DSP module 321 according to the destination address of Frame being converted into the speech data of the signal of telecommunication;
This DSP module 321 is for carrying out coded demodulation to speech data;
The speech data of this speech processing module 31 after for digital-to-analogue conversion demodulation to be to send into this communication equipment,
And this speech processing module 31 is the speech data from this communication equipment for analog-to-digital conversion;
This DSP module 321 for coded modulation speech data to be converted to Ethernet package and to send into this PON MAC module 322;
This PON MAC module 322 is for compressing this Ethernet package of encapsulation to be converted into the Frame of optical-fiber network transmission;
This optical signal transceiver module 33 is changed this Frame to be sent to optical-fiber network for electric light.
In the present invention, the up-downgoing of speech data transmission is specific as follows:
Down direction: come the speech data of automatic network to carry out light signal in optical signal transceiver module and be converted into the signal of telecommunication, then be transferred to PON MAC, in PON MAC, carry out the decompression of data and the recovery of clock signal, then according to the destination address of Frame, by certain sequential, send to and in DSP, carry out coded demodulation, the data after demodulation send to speech processing module and carry out digital signal and be converted into analog signal and send to the subscriber equipmenies such as telephone set, facsimile machine.
Up direction: the analog signal from telephone set or facsimile machine is converted into digital signal by speech processing module by analog signal, then deliver to and in DSP, carry out coded modulation, be converted to Ethernet package, send in PON MAC, in PON MAC, carry out the compression encapsulation of data, be converted into the Frame that is applicable to optical-fiber network transmission, then send to optical signal transceiver module, after being converted into light signal, the signal of telecommunication sends on optical-fiber network the exchanges data on realization and optical-fiber network between other users.
The up-downgoing transmission of Ethernet is specific as follows:
Down direction: come the Ethernet data of automatic network to carry out light signal in optical signal transceiver module and be converted into the signal of telecommunication, then be transferred to PON MAC, in PON MAC, carry out the decompression of data and the recovery of clock signal, then according to the destination address of Frame, by certain sequential, send in Ethernet transceiver module.Ethernet transceiver module provides the logistics path that carries out exchanges data between the subscriber terminal equipments such as EPON terminal equipment and computer or router, it carries out coded demodulation by the Ethernet data from PON MAC, then according to certain physical interface rule, session path by setting up with the subscriber terminal equipment such as computer or router, is sent to the subscriber terminal equipments such as computer or router according to correct sequential.
Up direction: from the Ethernet data signal of the subscriber terminal equipments such as computer or router by and Ethernet transceiver module between the session path set up be sent to Ethernet transceiver module, Ethernet transceiver module is according to physical interface rule, according to correct sequential, receive the Ethernet data from subscriber terminal equipments such as computer or routers, and the Ethernet data receiving is carried out sending in PON MAC after coded modulation, in PON MAC, carry out the marshalling of data, compression encapsulation, be converted into the Frame that is applicable to optical-fiber network transmission, then send to optical signal transceiver module, after being converted into light signal, the signal of telecommunication sends on optical-fiber network, exchanges data between realization and domestic consumer and the network platform.
Wherein, this CPU32 comprises pcm interface and SPI interface, by this speech processing module of this pcm interface and this DSP, realizes exchanges data, controls this speech processing module realize the control to this communication equipment by this DSP of this SPI interface.DSP also controls speech processing module by SPI interface and outside telephone stations is provided to the function of dialing tone, battery current and ringing voltage in addition, and detects the function of closing from the loop of phone.
And this Ethernet transceiver module 30 is set to PHY pattern, for the treatment of ethernet physical layer data, provide the passage that carries out message transmissions between PON MAC module and the network equipment, realize the data transaction between physical layer and PON MAC module.
In addition, this EPON equipment also comprises a power management module 34, thinks the modules power supply of EPON equipment for changing civil power.
EPON equipment with VOIP function of the present invention is with the interface of connecting optical network, the interface that connects telephone set or facsimile machine, the interface that connects personal computer or network-termination device, is attached thereto information transmission and the exchange between the external equipment connecing thereby realize.
The above-mentioned EPON optical network terminal with VOIP function can converge the integrated service data from optical-fiber network, then miscellaneous service data are carried out to separation, they are sent to corresponding Service Processing Module, and each Service Processing Module sends to each terminal use the data after handling.Simultaneously by the miscellaneous service aggregation of data from each terminal use, compression, packing sends in each service network, thereby realizes the information exchange between other-end user on local user's VOIP data and Ethernet data and network.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these execution modes, but these changes and modification all fall into protection scope of the present invention.
Claims (9)
1. an EPON equipment, it comprises Ethernet transceiver module, it is characterized in that, this EPON equipment also comprises optical signal transceiver module, speech processing module and CPU, this CPU comprises DSP module and PON MAC module, this EPON equipment comprises optical network interface for connecting optical network, for connecting the communication interface of communication equipment and for the network interface of interconnection network equipment, wherein
This optical signal transceiver module is for carrying out opto-electronic conversion to the speech data from optical-fiber network;
This PON MAC module is for carrying out decompression and recovering clock signals and send to chronologically DSP module according to the destination address of Frame being converted into the speech data of the signal of telecommunication;
This DSP module is for carrying out coded demodulation to speech data;
This speech processing module for the speech data after digital-to-analogue conversion demodulation to send into this communication equipment,
And this speech processing module is the speech data from this communication equipment for analog-to-digital conversion;
This DSP module is used for coded modulation speech data to be converted to Ethernet package and to send into this PON MAC module;
This PON MAC module is for compressing this Ethernet package of encapsulation to be converted into the Frame of optical-fiber network transmission;
This optical signal transceiver module is changed this Frame to be sent to optical-fiber network for electric light.
2. EPON equipment as claimed in claim 1, it is characterized in that, this CPU comprises pcm interface and SPI interface, by this speech processing module of this pcm interface and this DSP, realizes exchanges data, controls this speech processing module realize the control to this communication equipment by this DSP of this SPI interface.
3. EPON equipment as claimed in claim 1, it is characterized in that, this Ethernet transceiver module is set to PHY pattern, for the treatment of ethernet physical layer data, the passage that carries out message transmissions between PON MAC module and the network equipment is provided, realizes the data transaction between physical layer and PON MAC module.
4. the EPON equipment as described in any one in claim 1-3, is characterized in that, this optical signal transceiver module is the Ethernet data from optical-fiber network for opto-electronic conversion;
This PON MAC module is used for this Ethernet data to decompress and recovering clock signals, and sends to chronologically Ethernet transceiver module according to the destination address of Frame;
This Ethernet transceiver module is used for the Ethernet data from this PON MAC module carry out coded demodulation and send into the network equipment,
And this Ethernet transceiver module is for receiving from the Ethernet data of the network equipment and Ethernet data being carried out to coded modulation to send into this PON MAC module;
This PON MAC module, for carrying out marshalling, the compression encapsulation of Ethernet data, is converted into the Frame of optical-fiber network transmission;
This optical signal transceiver module is for electric light translation data frame and be sent to optical-fiber network.
5. the EPON equipment as described in any one in claim 1-3, is characterized in that, this optical network interface is single fiber bi-directional optical interface.
6. the EPON equipment as described in any one in claim 1-3, is characterized in that, this communication interface is RJ11.
7. the EPON equipment as described in any one in claim 1-3, is characterized in that, this network interface is RJ45.
8. the EPON equipment as described in any one in claim 1-3, is characterized in that, the QCA8821 that this CPU is high pass.
9. the EPON equipment as described in any one in claim 1-3, is characterized in that, this EPON equipment comprises a power management module, for changing civil power, thinks the power supply of EPON equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071559.3A CN103986491A (en) | 2014-02-27 | 2014-02-27 | EPON device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071559.3A CN103986491A (en) | 2014-02-27 | 2014-02-27 | EPON device |
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| CN103986491A true CN103986491A (en) | 2014-08-13 |
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| CN201410071559.3A Pending CN103986491A (en) | 2014-02-27 | 2014-02-27 | EPON device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883632A (en) * | 2015-06-12 | 2015-09-02 | 烽火通信科技股份有限公司 | Device and method for realizing VDSL current sharing backward feeding in PON far-end system |
| CN106815173A (en) * | 2017-02-10 | 2017-06-09 | 联想(北京)有限公司 | A kind of data is activation and method of reseptance, apparatus and system |
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| CN101242674A (en) * | 2008-03-05 | 2008-08-13 | 浪潮电子信息产业股份有限公司 | An integrated service access system based on EPON and dual-mode STB |
| CN101242461A (en) * | 2008-03-05 | 2008-08-13 | 浪潮电子信息产业股份有限公司 | An integrated access terminal under FTTH condition |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2000062471A1 (en) * | 1999-04-14 | 2000-10-19 | General Dynamics Government Systems Corporation | Methods and apparatus for transmitting, receiving, and processing secure voice over internet protocol |
| CN101242674A (en) * | 2008-03-05 | 2008-08-13 | 浪潮电子信息产业股份有限公司 | An integrated service access system based on EPON and dual-mode STB |
| CN101242461A (en) * | 2008-03-05 | 2008-08-13 | 浪潮电子信息产业股份有限公司 | An integrated access terminal under FTTH condition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883632A (en) * | 2015-06-12 | 2015-09-02 | 烽火通信科技股份有限公司 | Device and method for realizing VDSL current sharing backward feeding in PON far-end system |
| CN104883632B (en) * | 2015-06-12 | 2018-12-18 | 烽火通信科技股份有限公司 | Realize that VDSL flows the device and method of reverse feeding in PON far end system |
| CN106815173A (en) * | 2017-02-10 | 2017-06-09 | 联想(北京)有限公司 | A kind of data is activation and method of reseptance, apparatus and system |
| CN106815173B (en) * | 2017-02-10 | 2021-03-19 | 联想(北京)有限公司 | Data sending and receiving method, device and system |
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Application publication date: 20140813 |