CN102694783A - Tri-network integrated multi-service photoelectric integrated network element - Google Patents

Tri-network integrated multi-service photoelectric integrated network element Download PDF

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Publication number
CN102694783A
CN102694783A CN2011100730710A CN201110073071A CN102694783A CN 102694783 A CN102694783 A CN 102694783A CN 2011100730710 A CN2011100730710 A CN 2011100730710A CN 201110073071 A CN201110073071 A CN 201110073071A CN 102694783 A CN102694783 A CN 102694783A
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China
Prior art keywords
signal
signal interface
module
interface
optical
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Pending
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CN2011100730710A
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Chinese (zh)
Inventor
张介富
张斌
曲宝春
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SHANGHAI OTEC TECHNOLOGY Co Ltd
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SHANGHAI OTEC TECHNOLOGY Co Ltd
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Priority to CN2011100730710A priority Critical patent/CN102694783A/en
Publication of CN102694783A publication Critical patent/CN102694783A/en
Pending legal-status Critical Current

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Abstract

A tri-network integrated multi-service photoelectric integrated network element relates to a signal transmission technology field. By using the network element, a technology problem of overlapping investment can be solved. The network element comprises an optical transmitter, an OLT, an optical receiver, ONU, a distributor, an EOC central office modem, an EOC terminal modem and a separator. A photoelectric conversion module, a radio frequency amplification module, a signal distribution module and a mixer are arranged in the optical receiver. An optical signal outlet of the optical transmitter is connected to the mixer through the photoelectric conversion module, the radio frequency amplification module and the signal distribution module. A PON module and a data exchange module are arranged in the ONU. An optical signal interface of the OLT is connected to the mixer through the PON module, the data exchange module and the EOC central office modem. A mixing signal interface of the mixer is connected to the EOC terminal modem through the distributor and the separator. By using the network element provided in the invention, the overlapping investment can be reduced and a network resource can be effectively used.

Description

Integration of three networks multi-service optoelectronic integration network element
Technical field
The present invention relates to signal transmission technology, particularly relate to a kind of technology of integration of three networks multi-service optoelectronic integration network element.
Background technology
At present, all have computer and television set in most of family simultaneously, and inserted TV signal and ethernet signal simultaneously.The network of existing transmitting television signals and/or ethernet signal mainly contains three types of EPON (EPON that combines with Ethernet), HFC (Hybrid Fiber and Coax Network HFC), EOC (coaxial cable transmits the ether data).
Existing EPON, HFC, EOC network all are separate, are FTTH (Fiber to the home) exploitation such as EPON, and purpose is transmission ether data on optical fiber, in telecom operators' hand that the business of carrying out focuses mostly on; And HFC is the technology that only is applicable to radio and television wire transmission network; Also just basic definite its application network is a cable TV network to the EOC technology because transmission medium is a coaxial cable.Therefore, the existing network that is used for TV signal and/or ethernet signal transmission exists the defective that overlapping investment is many, network resource utilization is low.
Summary of the invention
To the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides and a kind ofly can reduce overlapping investment, effectively utilizes the integration of three networks multi-service optoelectronic integration network element of Internet resources.
In order to solve the problems of the technologies described above; A kind of integration of three networks multi-service optoelectronic integration network element provided by the present invention is characterized in that: comprise optical transmitter, OLT, optical receiver, ONU, distributor, at least one EOC local side modulator-demodulator, at least one EOC terminal modem, at least one separator;
Said optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and said OLT is provided with an ethernet signal interface, an optical signal interface;
Be built-in with photoelectric conversion module, RF Amplifier Module, signal distribution module and at least one blender in the said optical receiver; Said photoelectric conversion module is provided with a light signal input port, a radiofrequency signal delivery outlet, and its light signal input port connects the light signal delivery outlet of optical transmitter through optical fiber; Said signal distribution module is provided with a radiofrequency signal input port and at least one radiofrequency signal delivery outlet, and its radiofrequency signal input port serial connection RF Amplifier Module is to the radiofrequency signal delivery outlet of photoelectric conversion module; Said blender is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface, and the high communication number interface of each blender is connected respectively to each radiofrequency signal delivery outlet of signal distribution module;
Be built-in with PON module and data exchange module among the said ONU; Said PON module is provided with an optical signal interface, an ethernet signal interface, and its optical signal interface connects the optical signal interface of OLT through optical fiber; Said data exchange module is provided with a upper united mouth and a plurality of second line of a couplet mouth, and its upper united mouth connects the ethernet signal interface of PON module;
Said EOC local side modulator-demodulator and EOC terminal modem are equipped with an ethernet signal interface, a radiofrequency signal interface; The ethernet signal interface of each EOC local side modulator-demodulator is connected respectively to each second line of a couplet mouth of the data exchange module among the ONU, and the radiofrequency signal interface of each EOC local side modulator-demodulator is connected respectively to the low-pass signal interface of each blender in the optical receiver;
Said distributor is provided with a main signal interface and a plurality of sub-signal interface, and its main signal interface is connected to the mixed signal interface of a blender in the optical receiver;
Said separator is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface; The mixed signal interface of each separator is connected respectively to each sub-signal interface of distributor, and the low-pass signal interface of each separator is connected respectively to the radiofrequency signal interface of each EOC terminal modem.
Integration of three networks multi-service optoelectronic integration network element provided by the invention; Utilize Optical Fiber Transmission broadcast television signal and ethernet signal, and mix with broadcast television signal after ethernet signal is modulated into the low pass radiofrequency signal, utilize separator that mixed signal is separated at user side; Therefore only need lay coaxial cable can transmit broadcast television signal and Ethernet data; Need not to lay separately the ethernet signal transmission cable, can reduce overlapping investment, effectively utilize Internet resources.
Description of drawings
Fig. 1 is the structured flowchart of the integration of three networks multi-service optoelectronic integration network element of the embodiment of the invention.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1; A kind of integration of three networks multi-service optoelectronic integration network element that the embodiment of the invention provided is characterized in that: comprise optical transmitter, OLT (optical fiber cable termination equipment), optical receiver, ONU (optical network unit), distributor, at least one EOC (coaxial Ethernet) local side modulator-demodulator, at least one EOC terminal modem, at least one separator;
Said optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and said OLT is provided with an ethernet signal interface, an optical signal interface;
Be built-in with photoelectric conversion module, RF Amplifier Module, signal distribution module and at least one blender in the said optical receiver; Said photoelectric conversion module is provided with a light signal input port, a radiofrequency signal delivery outlet, and its light signal input port connects the light signal delivery outlet of optical transmitter through optical fiber; Said signal distribution module is provided with a radiofrequency signal input port and at least one radiofrequency signal delivery outlet, and its radiofrequency signal input port serial connection RF Amplifier Module is to the radiofrequency signal delivery outlet of photoelectric conversion module; Said blender is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface, and the high communication number interface of each blender is connected respectively to each radiofrequency signal delivery outlet of signal distribution module;
Be built-in with PON (EPON) module and data exchange module among the said ONU; Said PON module is provided with an optical signal interface, an ethernet signal interface, and its optical signal interface connects the optical signal interface of OLT through optical fiber; Said data exchange module is provided with a upper united mouth and a plurality of second line of a couplet mouth, and its upper united mouth connects the ethernet signal interface of PON module;
Said EOC local side modulator-demodulator and EOC terminal modem are equipped with an ethernet signal interface, a radiofrequency signal interface; The ethernet signal interface of each EOC local side modulator-demodulator is connected respectively to each second line of a couplet mouth of the data exchange module among the ONU, and the radiofrequency signal interface of each EOC local side modulator-demodulator is connected respectively to the low-pass signal interface of each blender in the optical receiver;
Said distributor is provided with a main signal interface and a plurality of sub-signal interface, and its main signal interface is connected to the mixed signal interface of a blender in the optical receiver;
Said separator is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface; The mixed signal interface of each separator is connected respectively to each sub-signal interface of distributor, and the low-pass signal interface of each separator is connected respectively to the radiofrequency signal interface of each EOC terminal modem.
When the embodiment of the invention was used, broadcast television signal (high pass radiofrequency signal) was inserted through coaxial cable in the radiofrequency signal input port of optical transmitter, and the ethernet signal interface of OLT is through twisted-pair feeder access network based on ethernet signal;
Optical transmitter is exported through optical fiber after converting broadcast television signal to light signal; Photoelectric conversion module in the optical receiver receives the light signal that optical transmitter sends through optical fiber; And convert the light signal of receiving to high pass radiofrequency signal output; RF Amplifier Module receives the high pass radiofrequency signal of photoelectric conversion module output and with sending into signal distribution module after the high pass radiofrequency signal amplification of receiving, signal distribution module is with each blender of high pass radiofrequency signal demultiplexing input that receives;
OLT exports through optical fiber after the downlink Ethernet conversion of signals is become light signal; PON module among the ONU receives the light signal that OLT sends through optical fiber; And convert the light signal of receiving to downlink Ethernet signal output; Data exchange module receives the downlink Ethernet signal of PON module output, and through demultiplexing output after the exchanges data, imports each blender respectively after each road signal that each EOC local side modulator-demodulator is exported the data exchange module among the ONU is modulated into the low pass radiofrequency signal;
Blender is mixed into after the mixed signal high pass radiofrequency signal that receives and low pass radiofrequency signal from its mixed signal interface output; Distributor receives the mixed signal that blender is exported through its main signal interface, and with the mixed signal demultiplexing output that receives; Separator receives the mixed signal of distributor output through its mixed signal interface; And the mixed signal that receives is separated into two paths of signals; Wherein one the tunnel is the high pass radiofrequency signal; Another road is the low pass radiofrequency signal; High pass radiofrequency signal after the separation exports the TV signal receiving apparatus (like STB) of user side to through its high communication number interface, and the low pass radiofrequency signal after the separation exports the EOC terminal modem to through its low-pass signal interface, exports user side ethernet device (like router, computer) to after being demodulated into ethernet signal by the EOC terminal modem;
The EOC terminal modem receives the up ethernet signal of user side ethernet device through its ethernet signal interface; And the up ethernet signal that will receive is modulated into after the low pass radiofrequency signal through its radiofrequency signal interface output; The low pass radiofrequency signal of its output is transported to EOC local side modulator-demodulator through separator, distributor, blender successively; EOC local side modulator-demodulator exports OLT to through data exchange module, PON module after the low pass radiofrequency signal of receiving is demodulated into up ethernet signal successively.

Claims (1)

1. an integration of three networks multi-service optoelectronic integration network element is characterized in that: comprise optical transmitter, OLT, optical receiver, ONU, distributor, at least one EOC local side modulator-demodulator, at least one EOC terminal modem, at least one separator;
Said optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and said OLT is provided with an ethernet signal interface, an optical signal interface;
Be built-in with photoelectric conversion module, RF Amplifier Module, signal distribution module and at least one blender in the said optical receiver; Said photoelectric conversion module is provided with a light signal input port, a radiofrequency signal delivery outlet, and its light signal input port connects the light signal delivery outlet of optical transmitter through optical fiber; Said signal distribution module is provided with a radiofrequency signal input port and at least one radiofrequency signal delivery outlet, and its radiofrequency signal input port serial connection RF Amplifier Module is to the radiofrequency signal delivery outlet of photoelectric conversion module; Said blender is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface, and the high communication number interface of each blender is connected respectively to each radiofrequency signal delivery outlet of signal distribution module;
Be built-in with PON module and data exchange module among the said ONU; Said PON module is provided with an optical signal interface, an ethernet signal interface, and its optical signal interface connects the optical signal interface of OLT through optical fiber; Said data exchange module is provided with a upper united mouth and a plurality of second line of a couplet mouth, and its upper united mouth connects the ethernet signal interface of PON module;
Said EOC local side modulator-demodulator and EOC terminal modem are equipped with an ethernet signal interface, a radiofrequency signal interface; The ethernet signal interface of each EOC local side modulator-demodulator is connected respectively to each second line of a couplet mouth of the data exchange module among the ONU, and the radiofrequency signal interface of each EOC local side modulator-demodulator is connected respectively to the low-pass signal interface of each blender in the optical receiver;
Said distributor is provided with a main signal interface and a plurality of sub-signal interface, and its main signal interface is connected to the mixed signal interface of a blender in the optical receiver;
Said separator is provided with a mixed signal interface, a high communication number interface, a low-pass signal interface; The mixed signal interface of each separator is connected respectively to each sub-signal interface of distributor, and the low-pass signal interface of each separator is connected respectively to the radiofrequency signal interface of each EOC terminal modem.
CN2011100730710A 2011-03-25 2011-03-25 Tri-network integrated multi-service photoelectric integrated network element Pending CN102694783A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883151A (en) * 2012-09-27 2013-01-16 深圳市中技源专利城有限公司 Plastic optical fiber user access network equipment and plastic optical fiber user access network system for broadcast network
CN103731203A (en) * 2013-11-15 2014-04-16 成都市宏山科技有限公司 EPON device networking structure with anti-thunder function
CN103763161A (en) * 2013-10-21 2014-04-30 华中科技大学 Tri-network integration access module and control method thereof
CN104486171A (en) * 2014-11-20 2015-04-01 上海澳润信息科技有限公司 EOC (Ethernet Over Coax) access system with C-HPAV standard

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050172328A1 (en) * 2004-01-30 2005-08-04 Se-Hong Park FTTH system based on passive optical network for broadcasting service
CN101102461A (en) * 2007-07-25 2008-01-09 梁光海 Thee-in-one network fusion access method and device of digital TV
CN101110726A (en) * 2007-08-22 2008-01-23 汕头高新区亚威科技有限公司 Area summarized information access system
CN202004923U (en) * 2011-03-25 2011-10-05 上海澳润信息科技有限公司 Three-network integrated multi-service optoelectronic integration network element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050172328A1 (en) * 2004-01-30 2005-08-04 Se-Hong Park FTTH system based on passive optical network for broadcasting service
CN101102461A (en) * 2007-07-25 2008-01-09 梁光海 Thee-in-one network fusion access method and device of digital TV
CN101110726A (en) * 2007-08-22 2008-01-23 汕头高新区亚威科技有限公司 Area summarized information access system
CN202004923U (en) * 2011-03-25 2011-10-05 上海澳润信息科技有限公司 Three-network integrated multi-service optoelectronic integration network element

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883151A (en) * 2012-09-27 2013-01-16 深圳市中技源专利城有限公司 Plastic optical fiber user access network equipment and plastic optical fiber user access network system for broadcast network
CN103763161A (en) * 2013-10-21 2014-04-30 华中科技大学 Tri-network integration access module and control method thereof
CN103763161B (en) * 2013-10-21 2016-08-31 华中科技大学 A kind of integration of three networks AM access module and control method thereof
CN103731203A (en) * 2013-11-15 2014-04-16 成都市宏山科技有限公司 EPON device networking structure with anti-thunder function
CN104486171A (en) * 2014-11-20 2015-04-01 上海澳润信息科技有限公司 EOC (Ethernet Over Coax) access system with C-HPAV standard

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