CN202004923U - Three-network integrated multi-service optoelectronic integration network element - Google Patents

Three-network integrated multi-service optoelectronic integration network element Download PDF

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Publication number
CN202004923U
CN202004923U CN2011200818303U CN201120081830U CN202004923U CN 202004923 U CN202004923 U CN 202004923U CN 2011200818303 U CN2011200818303 U CN 2011200818303U CN 201120081830 U CN201120081830 U CN 201120081830U CN 202004923 U CN202004923 U CN 202004923U
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China
Prior art keywords
signal
signal interface
module
optical
interface
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Expired - Fee Related
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CN2011200818303U
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Chinese (zh)
Inventor
张介富
谭策灵
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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Abstract

The utility model discloses a three-network integrated multi-service optoelectronic integration network element, relates to the technical field of signal transmission, and solves the technical problem of reducing overlapping investment. The network element comprises an optical transmitter, an optical line terminal (OLT), an optical receiver, an optical network unit (ONU), a distributor, an Ethernet over COAX (EOC) local side modem, an EOC terminal modem and a separator, wherein 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 output port 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 passive optical network (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 local side modem; and a mixed signal interface of the mixer is connected to the EOC terminal modem through the distributor and the separator. The network element provided by the utility model can reduce the overlapping investment and effectively use network resources.

Description

Integration of three networks multi-service optoelectronic integration network element
Technical field
The utility model relates to signal transmission technology, particularly relates 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 the EPON that EPON(combines with Ethernet), the HFC(Hybrid Fiber and Coax Network HFC), the EOC(coaxial cable transmits the ether data) three classes.
Existing EPON, HFC, EOC network all are separate, and Fiber to the home for FTTH(such as EPON) exploitation, 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 only 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.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model 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 utility model 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;
Described optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and described 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 described optical receiver; Described 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; Described 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; Described 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 described ONU; Described 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; Described 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;
Described 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;
Described 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;
Described 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.
The integration of three networks multi-service optoelectronic integration network element that the utility model provides, 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 utility model embodiment.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection range of the present utility model in.
As shown in Figure 1, a kind of integration of three networks multi-service optoelectronic integration network element that the utility model embodiment is provided is characterized in that: comprise optical transmitter, OLT(optical fiber cable termination equipment), optical receiver, ONU(optical network unit), distributor, the coaxial Ethernet of at least one EOC() local side modulator-demodulator, at least one EOC terminal modem, at least one separator;
Described optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and described 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 described optical receiver; Described 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; Described 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; Described 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 the PON(EPON among the described ONU) module and data exchange module; Described 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; Described 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;
Described 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;
Described 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;
Described 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 utility model embodiment used, broadcast television signal (high pass radiofrequency signal) was inserted by coaxial cable in the radiofrequency signal input port of optical transmitter, and the ethernet signal interface of OLT is by twisted-pair feeder access network based on ethernet signal;
Optical transmitter is exported by 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 by 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 will send into signal distribution module after the high pass radiofrequency signal amplification of receiving, signal distribution module is imported each blender with the high pass radiofrequency signal demultiplexing that receives;
OLT exports by 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 by 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, after being modulated into the low pass radiofrequency signal, each road signal that each EOC local side modulator-demodulator is exported the data exchange module among the ONU imports each blender respectively by demultiplexing output after the exchanges data;
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 by its main signal interface, and with the mixed signal demultiplexing output that receives; Separator receives the mixed signal of distributor output by 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 (as set-top box) of user side to by its high communication number interface, low pass radiofrequency signal after the separation exports the EOC terminal modem to by its low-pass signal interface, exports the user side ethernet device to (as router after being demodulated into ethernet signal by the EOC terminal modem, computer);
The EOC terminal modem receives the up ethernet signal of user side ethernet device by its ethernet signal interface, and the up ethernet signal that will receive is modulated into after the low pass radiofrequency signal by 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 by 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;
Described optical transmitter is provided with a radiofrequency signal input port, a light signal delivery outlet, and described 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 described optical receiver; Described 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; Described 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; Described 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 described ONU; Described 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; Described 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;
Described 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;
Described 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;
Described 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.
CN2011200818303U 2011-03-25 2011-03-25 Three-network integrated multi-service optoelectronic integration network element Expired - Fee Related CN202004923U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102684792A (en) * 2012-04-11 2012-09-19 深圳市同洲电子股份有限公司 System for signal transmission
CN102694783A (en) * 2011-03-25 2012-09-26 上海澳润信息科技有限公司 Tri-network integrated multi-service photoelectric integrated network element
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
CN105095947A (en) * 2014-05-19 2015-11-25 中兴通讯股份有限公司 Passive optical label, optical reading/ writing device and intelligent optical distribution network

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102694783A (en) * 2011-03-25 2012-09-26 上海澳润信息科技有限公司 Tri-network integrated multi-service photoelectric integrated network element
CN102684792A (en) * 2012-04-11 2012-09-19 深圳市同洲电子股份有限公司 System for signal transmission
CN102684792B (en) * 2012-04-11 2015-09-23 深圳市同洲电子股份有限公司 A kind of system of Signal transmissions
CN105095947A (en) * 2014-05-19 2015-11-25 中兴通讯股份有限公司 Passive optical label, optical reading/ writing device and intelligent optical distribution network
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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Granted publication date: 20111005

Termination date: 20200325