CN205232243U - Passive reticle transmission system of ether based on wavelength devision multiplex - Google Patents
Passive reticle transmission system of ether based on wavelength devision multiplex Download PDFInfo
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- CN205232243U CN205232243U CN201520945659.4U CN201520945659U CN205232243U CN 205232243 U CN205232243 U CN 205232243U CN 201520945659 U CN201520945659 U CN 201520945659U CN 205232243 U CN205232243 U CN 205232243U
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Abstract
The utility model provides a passive reticle transmission system of ether based on wavelength devision multiplex, it sets up on the circuit between local side light line termination and customer end optical network unit for transmission signal on an optic fibre, it includes: a WDM -PON device for to the long conversion of light signal wave train, first closing / wave separator, second close / wave separator for close the ripples to the signal and conciliate the ripples, the 2nd WDM -PON device for to the long conversion of light signal wave train. The utility model discloses the passive reticle transmission method of ether based on wavelength devision multiplex has still been provided, need not reform transform original circuit, do not need to spread again the optical cable, only need to increase few equipment on original circuit, the wavelength devision multiplex who utilizes the wavelength conversion and net very much passive optical network, the signal transmission of a plurality of different wavelength is supported in the realization in same optical cable, the user's dilatation number that can take an optical cable times, under the not enough condition of optical cable resource, the huge engineering of being under construction has again been avoided.
Description
Technical field
The utility model relates to light net transmission technique field, particularly relates to a kind of ether passive optical network transmission equipment based on wavelength division multiplexing.
Background technology
EPON (ethernet passive optical network) is a kind of novel intelligent acess network technology, and it adopts point-to-multipoint structure, passive fiber to transmit, on Ethernet, provide multiple business.It has employed PON technology in physical layer, uses Ethernet protocol, utilize the topological structure of PON to achieve the access of Ethernet at link layer.Therefore, it combines the advantage of PON technology and ethernet technology: low cost; High bandwidth; Autgmentability is strong, flexibly service reconfiguration fast; With the compatibility of existing Ethernet; Management etc. easily.
Have so many advantages just because of EPON, cause user to increase fast, current OLT device one can maximum 64 ONU in succession, and in fact a community user often beyond this quantity, this situation, often needs the quantity increasing OLT at local side, and increases number of fibers accordingly, and a lot of community, often when building, all lay optical cable, if again laid again, difficulty of construction, cost is all very huge.
Therefore, needing one on the market badly both can not need again to lay optical fiber, can meet again the equipment based on EPON transmission plan of growing user's request.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, propose a kind of ether passive optical network transmission system based on wavelength division multiplexing, it is arranged on the circuit between local side optical line terminal and client optical network unit, for signal transmission on an optical fiber, comprise: a WDM-PON device, for carrying out wavelength convert to light signal; First co-/demultiplexer, the second co-/demultiplexer, conciliate ripple for carrying out conjunction ripple to signal; 2nd WDM-PON device, for carrying out wavelength convert to light signal.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, a described WDM-PON device comprises: the first single fiber bi-directional ONU module, first pair of fibre two-way wavelength-division OLT module, the first data shaping processing module and first processor module; Described first single fiber bi-directional ONU module is connected with at least one described local side optical line terminal, for carrying out opto-electronic conversion to upward signal and downstream signal; Described first pair of fibre two-way wavelength-division OLT module is connected with described first co-/demultiplexer, for carrying out opto-electronic conversion to upward signal and downstream signal; Described first data shaping processing module respectively with described first single fiber bi-directional ONU module and described first pair of fibre two-way wavelength-division OLT model calling, realize the Clock Extraction of data, signal shaping; Described first processor module is connected, for monitoring the operating state of each module with described first single fiber bi-directional ONU module, described first pair of fibre two-way wavelength-division OLT module and described first data shaping processing module respectively.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, described 2nd WDM-PON device comprises: second pair of two-way ONU module of fibre, the second single fiber bi-directional wavelength-division OLT module, the second data shaping processing module and the second processor module; Described second pair of fibre two-way ONU module is connected with described second co-/demultiplexer, for carrying out opto-electronic conversion to upward signal and downstream signal; Described second single fiber bi-directional wavelength-division OLT module is connected with at least one optical splitter with described second co-/demultiplexer, respectively for carrying out opto-electronic conversion to upward signal and downstream signal; Described second data shaping processing module respectively with described second pair of fibre two-way ONU module and described second single fiber bi-directional wavelength-division OLT model calling, realize the Clock Extraction of data, signal shaping; Described second processor module is connected, for monitoring the operating state of each module with described second pair of fibre two-way ONU module, described second single fiber bi-directional wavelength-division OLT module and described second data shaping processing module respectively.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, described first co-/demultiplexer comprises: CWDM/DWDM filter, realize signal conjunction ripple or separate ripple.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, described second co-/demultiplexer comprises: CWDM/DWDM filter, realize signal conjunction ripple or separate ripple.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, described first processor module and described second processor module have signal alarm deixis.
The utility model also proposed a kind of ether passive optical network transmission method based on wavelength division multiplexing, comprises the following steps:
Step one: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the light signal received, forms the signal of multiple different wave length;
Step 2: the signal of multiple described different wave length is formed one by wavelength division multiplexing and closes ripple signal, transmit described conjunction ripple signal;
Step 3: after receiving described conjunction ripple signal, becomes the signal of multiple described different wave length by described conjunction ripple signals revivification by demultiplexing;
Step 4: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the signal of multiple described different wave length, is reduced into described light signal.
The utility model proposes based in the ether passive optical network transmission method of wavelength division multiplexing, in step one, described optical network signal converts CWDM or DWDM wavelength to.
The beneficial effects of the utility model are:
Existing PON technology can only realize Fiber connection OLT interface, transmission of one line PON signal, multichannel PON signal cannot be realized transmit in same optical fiber, and multi-path light net transmission equipment of the present utility model, multichannel PON signal multiplexing can be transmitted in same optical fiber, great saving fiber resource, reduces PON networking cost.And the ether passive optical network transmission system based on wavelength division multiplexing that the utility model proposes and method, do not need to transform original circuit, do not need again to spread optical cable, only need increase few equipment (2 co-/demultiplexers, 2 WDM-PON devices) on original circuit, utilize the wavelength division multiplexing of wavelength convert and too net EPON, realize the Signal transmissions supporting multiple different wave length in same optical cable, can by an optical cable with user's dilatation several times, when cable resource is inadequate, avoid the huge engineering of again constructing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model based on the ether passive optical network transmission system of wavelength division multiplexing.
Fig. 2 is the structural representation of the utility model based on WDM-PON device in the ether passive optical network transmission system of wavelength division multiplexing.
Fig. 3 is the schematic flow sheet of the utility model based on the ether passive optical network transmission method of wavelength division multiplexing.
Embodiment
In conjunction with following specific embodiments and the drawings, the utility model is described in further detail.Implement process of the present utility model, condition, experimental technique etc., except the following content mentioned specially, be universal knowledege and the common practise of this area, the utility model is not particularly limited content.
As shown in Figure 1, the utility model proposes a kind of ether passive optical network transmission system based on wavelength division multiplexing, it is arranged on the circuit between local side optical line terminal and client optical network unit, for signal transmission on an optical fiber, comprise: a WDM-PON device 1, for carrying out wavelength convert to light signal.Wherein, the first co-/demultiplexer 2, second co-/demultiplexer 3, conciliates ripple for carrying out conjunction ripple to signal.2nd WDM-PON device 4, for carrying out wavelength convert to light signal.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, as shown in Figure 2, it comprises one WDM-PON device 1: the first single fiber bi-directional ONU module 11, first pair fibre two-way wavelength-division OLT module 12, first data shaping processing module 13 and first processor module 14.Wherein, the first single fiber bi-directional ONU module 11 is connected with at least one local side optical line terminal, for carrying out opto-electronic conversion to upward signal and downstream signal.First pair of fibre two-way wavelength-division OLT module 12 is connected with the first co-/demultiplexer 2, for carrying out opto-electronic conversion to upward signal and downstream signal.First data shaping processing module 13 is connected with the first single fiber bi-directional ONU module 11 and first pair of fibre two-way wavelength-division OLT module 12 respectively, realizes the Clock Extraction of data, signal shaping.First processor module 14 is connected, for monitoring the operating state of each module with the first single fiber bi-directional ONU module 11, first pair of fibre two-way wavelength-division OLT module 12 and the first data shaping processing module 13 respectively.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, as shown in Figure 2, it comprises 2nd WDM-PON device 4: second pair of fibre two-way ONU module 41, second single fiber bi-directional wavelength-division OLT module 42, second data shaping processing module 43 and the second processor module 44.Wherein, second pair of two-way ONU module 41 of fibre is connected with the second co-/demultiplexer 3, for carrying out opto-electronic conversion to upward signal and downstream signal.Second single fiber bi-directional wavelength-division OLT module 42 is connected with at least one optical splitter 6 with the second co-/demultiplexer 3 respectively, for carrying out opto-electronic conversion to upward signal and downstream signal.Second data shaping processing module 43 is connected with second pair of two-way ONU module 41 of fibre and the second single fiber bi-directional wavelength-division OLT module 42 respectively, realizes the Clock Extraction of data, signal shaping.Second processor module 44 is connected, for monitoring the operating state of each module with second pair of fibre two-way ONU module 41, second single fiber bi-directional wavelength-division OLT module 42 and the second data shaping processing module 43 respectively.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, the first co-/demultiplexer 2 comprises: CWDM/DWDM filter, realize signal conjunction ripple or separate ripple.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, the second co-/demultiplexer 3 comprises: CWDM/DWDM filter, realize signal conjunction ripple or separate ripple.
The utility model proposes based in the ether passive optical network transmission system of wavelength division multiplexing, first processor module 14 and the second processor module 44 have signal alarm deixis.
Based on the above-mentioned ether passive optical network transmission system based on wavelength division multiplexing, the utility model proposes a kind of ether passive optical network transmission method based on wavelength division multiplexing for this system, as shown in Figure 3, comprise the following steps:
Step one: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the light signal received, forms the signal of multiple different wave length;
Step 2: the signal of multiple different wave length is formed one by wavelength division multiplexing and closes ripple signal, ripple signal is closed in transmission;
Step 3: receive after closing ripple signal, becomes the signal of multiple different wave length by conjunction ripple signals revivification by demultiplexing;
Step 4: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the signal of multiple different wave length, is reduced into light signal.
The ether passive optical network transmission method based on wavelength division multiplexing that the utility model proposes, in step one, optical network signal converts CWDM or DWDM wavelength to.
Embodiment
The ether passive optical network transmission system based on wavelength division multiplexing in the present embodiment, be arranged on the circuit between local side optical line terminal and client optical network unit, for signal transmission on an optical fiber, comprising: a WDM-PON device 1, for carrying out wavelength convert to light signal.Wherein, the first co-/demultiplexer 2, second co-/demultiplexer 3, conciliates ripple for carrying out conjunction ripple to signal.2nd WDM-PON device 4, for carrying out wavelength convert to light signal.
In the present embodiment, a WDM-PON device 1 comprises: the first single fiber bi-directional ONU module 11, first pair fibre two-way wavelength-division OLT module 12, first data shaping processing module 13 and first processor module 14.Wherein, the first single fiber bi-directional ONU module 11 is connected with at least one local side optical line terminal, for carrying out opto-electronic conversion to upward signal and downstream signal.First pair of fibre two-way wavelength-division OLT module 12 is connected with the first co-/demultiplexer 2, for carrying out opto-electronic conversion to upward signal and downstream signal.First data shaping processing module 13 is connected with the first single fiber bi-directional ONU module 11 and first pair of fibre two-way wavelength-division OLT module 12 respectively, realizes the Clock Extraction of data, signal shaping.First processor module 14 is connected, for monitoring the operating state of each module with the first single fiber bi-directional ONU module 11, first pair of fibre two-way wavelength-division OLT module 12 and the first data shaping processing module 13 respectively.
In the present embodiment, the 2nd WDM-PON device 4 comprises: second pair of fibre two-way ONU module 41, second single fiber bi-directional wavelength-division OLT module 42, second data shaping processing module 43 and the second processor module 44.Wherein, second pair of two-way ONU module 41 of fibre is connected with the second co-/demultiplexer 3, for carrying out opto-electronic conversion to upward signal and downstream signal.Second single fiber bi-directional wavelength-division OLT module 42 is connected with at least one optical splitter 6 with the second co-/demultiplexer 3 respectively, for carrying out opto-electronic conversion to upward signal and downstream signal.Second data shaping processing module 43 is connected with second pair of two-way ONU module 41 of fibre and the second single fiber bi-directional wavelength-division OLT module 42 respectively, realizes the Clock Extraction of data, signal shaping.Second processor module 44 is connected, for monitoring the operating state of each module with second pair of fibre two-way ONU module 41, second single fiber bi-directional wavelength-division OLT module 42 and the second data shaping processing module 43 respectively.
In the present embodiment, the first co-/demultiplexer 2 comprises: CWDM/DWDM filter, realizes the conjunction ripple of signal or separates ripple.Second co-/demultiplexer 3 comprises: CWDM/DWDM filter, realizes the conjunction ripple of signal or separates ripple.
In the present embodiment, first processor module 14 and the second processor module 44 have signal alarm deixis.
The present embodiment is as follows based on the running of the ether passive optical network transmission system of wavelength division multiplexing:
Step one: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the light signal received, forms the signal of multiple different wave length;
Step 2: the signal of multiple different wave length is formed one by wavelength division multiplexing and closes ripple signal, ripple signal is closed in transmission;
Step 3: receive after closing ripple signal, becomes the signal of multiple different wave length by conjunction ripple signals revivification by demultiplexing;
Step 4: opto-electronic conversion, the Clock Extraction of data, signal shaping and electro-optic conversion are carried out to the signal of multiple different wave length, is reduced into light signal.
Protection content of the present utility model is not limited to above embodiment.Under the spirit and scope not deviating from utility model design, the change that those skilled in the art can expect and advantage are all included in the utility model, and are protection range with appending claims.
Claims (4)
1. based on the ether passive optical network transmission system of wavelength division multiplexing, it is arranged on the circuit between local side optical line terminal and client optical network unit, for signal transmission on an optical fiber, it is characterized in that, comprising: a WDM-PON device (1), the first co-/demultiplexer (2), the second co-/demultiplexer (3) and the 2nd WDM-PON device (4);
Wherein, a described WDM-PON device (1) comprising: the first single fiber bi-directional ONU module (11), first pair of fibre two-way wavelength-division OLT module (12), the first data shaping processing module (13) and first processor module (14); Described first single fiber bi-directional ONU module (11) is connected with at least one described local side optical line terminal; Described first pair of fibre two-way wavelength-division OLT module (12) is connected with described first co-/demultiplexer (2); Described first data shaping processing module (13) is connected with described first single fiber bi-directional ONU module (11) and described first pair of fibre two-way wavelength-division OLT module (12) respectively; Described first processor module (14) is connected with described first single fiber bi-directional ONU module (11), described first pair of fibre two-way wavelength-division OLT module (12) and described first data shaping processing module (13) respectively;
Described 2nd WDM-PON device (4) comprising: second pair of two-way ONU module (41) of fibre, the second single fiber bi-directional wavelength-division OLT module (42), the second data shaping processing module (43) and the second processor module (44); Described second pair of fibre two-way ONU module (41) is connected with described second co-/demultiplexer (3); Described second single fiber bi-directional wavelength-division OLT module (42) is connected with at least one optical splitter (6) with described second co-/demultiplexer (3) respectively; Described second data shaping processing module (43) is connected with described second pair of fibre two-way ONU module (41) and described second single fiber bi-directional wavelength-division OLT module (42) respectively; Described second processor module (44) is connected with described second pair of fibre two-way ONU module (41), described second single fiber bi-directional wavelength-division OLT module (42) and described second data shaping processing module (43) respectively.
2., as claimed in claim 1 based on the ether passive optical network transmission system of wavelength division multiplexing, it is characterized in that, described first co-/demultiplexer (2) comprising: CWDM/DWDM filter.
3., as claimed in claim 1 based on the ether passive optical network transmission system of wavelength division multiplexing, it is characterized in that, described second co-/demultiplexer (3) comprising: CWDM/DWDM filter.
4., as claimed in claim 1 based on the ether passive optical network transmission system of wavelength division multiplexing, it is characterized in that, described first processor module (14) and described second processor module (44) have signal alarm deixis.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515715A (en) * | 2015-11-24 | 2016-04-20 | 上海欣诺通信技术有限公司 | Wavelength-division-multiplexing-based ethernet passive optical network transmission system and method |
| CN110113129A (en) * | 2019-05-06 | 2019-08-09 | 上海科光通信技术有限公司 | A kind of passive optical-fiber network Transmission system based on wavelength-division multiplex |
-
2015
- 2015-11-24 CN CN201520945659.4U patent/CN205232243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515715A (en) * | 2015-11-24 | 2016-04-20 | 上海欣诺通信技术有限公司 | Wavelength-division-multiplexing-based ethernet passive optical network transmission system and method |
| CN110113129A (en) * | 2019-05-06 | 2019-08-09 | 上海科光通信技术有限公司 | A kind of passive optical-fiber network Transmission system based on wavelength-division multiplex |
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Address after: 201613 11 Block 58 Wenxiang East Road, Songjiang District, Shanghai Patentee after: Shanghai Xinnuo communication technology Limited by Share Ltd Address before: 201611 6th Floor, Building No. 2, 115 Lane 1276, Nanle Road, Songjiang District, Shanghai Patentee before: Shanghai Sino-Telecom Technology Co., Ltd. |
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