CN207218703U - A kind of integration of three networks network of six wavelength applications - Google Patents
A kind of integration of three networks network of six wavelength applications Download PDFInfo
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- CN207218703U CN207218703U CN201721210358.2U CN201721210358U CN207218703U CN 207218703 U CN207218703 U CN 207218703U CN 201721210358 U CN201721210358 U CN 201721210358U CN 207218703 U CN207218703 U CN 207218703U
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Abstract
The utility model discloses a kind of integration of three networks network of six wavelength applications, including RFoG head ends, optical line terminal OLT, wavelength division multiplexer and optical branching device, RFoG optical nodes and optical network unit ONU, the RFoG head ends, optical line terminal OLT are connected with wavelength division multiplexer respectively, the wavelength division multiplexer, optical branching device, some RFoG optical nodes, optical network unit ONU are sequentially connected.Using the integration of three networks network of six wavelength applications of the present utility model, the common network multiplexing transmission of RFoG, EPON/GPON, 10GEPON optical signal can be effectively realized, improves fiber optic network utilization rate.
Description
Technical field
The utility model belongs to technical field of photo communication, and in particular to a kind of integration of three networks network of six wavelength applications.
Background technology
Technical field of photo communication, is a kind of communication mode light wave using light wave as transmission medium, one belonged in electromagnetic wave
Kind, carrying out communications using the technology has the advantages that transmission frequency bandwidth, message capacity are big and anti-electromagnetic interference capability is strong.
At present, the communication mode that main flow uses in optical communication technique includes following three kinds：One of which is based on RFoG technologies
Reticule, as broadcasting and TV optical networking using a kind of lower behavior 1550nm wavelength, upper behavior 1610nm wavelength enter row information pass
It is defeated；A kind of optical networking based on EPON, GPON technology, if telecommunication optical fiber net is using lower behavior 1490nm wavelength, upper behavior
1310nm wavelength carries out information transfer；One kind is based on 10GEPON technology optical networkings, such as telecommunication optical fiber based on 10GEPON technologies
Net, information transfer is carried out using lower behavior 1577nm wavelength, upper behavior 1270nm wavelength.
But with the fast development of informationization technology, the transmission of single kind optical fiber is limited, and people are also gradual to bandwidth demand
Increase.The network integration of Broadcasting Cable Network and telecommunications network is imperative, with the propulsion of integration of three networks demand, how to realize melting for three nets
Close, how to improve current fiber optic network utilization rate, be a problem for needing to solve.
Utility model content
The utility model provides a kind of integration of three networks network of six wavelength applications, realizes RFoG, EPON/GPON, 10GEPON
The common network multiplexing transmission of signal.
The utility model adopts the following technical scheme that：
A kind of integration of three networks network of six wavelength applications, including RFoG head ends, optical line terminal OLT, wavelength division multiplexer and
Optical branching device, RFoG optical nodes and optical network unit ONU, the RFoG head ends, optical line terminal OLT respectively with wavelength division multiplexer
Connection, the wavelength division multiplexer, optical branching device, some RFoG optical nodes, optical network unit ONU are sequentially connected.
RFoG full name are RF over Glass, i.e., optical fiber radio frequency transmits, and belong to fiber optic network transmission.RFoG systems are commonly used
In video request program, EPON/GPON, 10GEPON system are usually used in broadband access network.
Further, the downlink radio-frequency signal of 87~1000MHz frequency ranges is modulated into 1550nm light by the RFoG head ends
Signal output, while the optical signal for receiving 1610nm wavelength is converted to the upstream radio-frequency output of 5~65MHz frequency ranges.
Further, the optical signal of the RFoG optical nodes reception 1550nm wavelength is converted to 87~1000MHz frequency ranges
Downlink radio-frequency signal output, receive 5~65MHz frequency ranges upstream radio-frequency signal be modulated into 1610nm optical signals to happen suddenly
Pattern exports, reflection end reflection output 1577nm＆1490nm＆1310nm＆1270nm optical signals.
Further, the optical line terminal OLT input or output 1490nm＆1310nm optical signals；Or the optical link
Terminal OLT is inputted or output 1577nm＆1270nm optical signals.Optical line terminal OLT be used for as EPON/GPON head ends or
10GEPON head ends.
Further, the optical branching device presses 1:32 branches export, the corresponding RFoG optical node of each branch, each RFoG
The corresponding optical network unit ONU of optical node, forms point-to-multipoint optical network structure.
Further, the optical signal of 1610nm＆1550nm wavelength is converted to radio frequency output by the RFoG optical nodes.
Further, the optical network unit ONU is EPON/GPON 1490nm＆1310nm optical signals or 10GEPON
1577nm＆1270nm optical signals are converted into IP signal outputs.
Further, the wavelength division multiplexer is the ripple of 1610nm, 1577nm, 1550nm, 1490nm, 1310nm, 1270nm six
Long optical signal is multiplexed into be exported all the way.
Further, the RFoG optical nodes include AGC modules, bidirectional filter, six wavelength optical assemblies, descending amplification mould
Block, up amplification module and burst control module, the six wavelength optical assembly are connected respectively with AGC modules, burst control module,
The AGC modules, descending amplification module, bidirectional filter are sequentially connected, the bidirectional filter, up amplification module, burst
Control module is sequentially connected.
Further, the common port input 1610nm＆1577nm＆1550nm＆1490nm＆ of the six wavelength optical assembly
The wavelength channels of 1310nm＆1270nm six, the reflection end output 1577nm＆＆1490nm＆1310nm＆ of the six wavelength optical assembly
The wavelength channels of 1270nm tetra-.
The beneficial effects of the utility model are mainly manifested in：Using the integration of three networks network of six wavelength applications, realize RFoG,
The common network multiplexing transmission of EPON/GPON, 10GEPON optical signal, improve fiber optic network utilization rate.
Brief description of the drawings
Fig. 1 is the theory diagram of the integration of three networks network of six wavelength applications.
Fig. 2 is a kind of structural representation of the RFoG optical nodes of embodiment.
Embodiment
The present embodiment is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of integration of three networks network of six wavelength applications, including RFoG head ends 1, optical line terminal OLT 2,
Wavelength division multiplexer 3, optical branching device 4, RFoG optical nodes 5 and optical network unit ONU 6, the wavelength division multiplexer 3 respectively with RFoG heads
End 1, OLT2, optical branching device 4 are connected, and the optical branching device 4, RFoG optical nodes 5, optical network unit ONU 6 are sequentially connected.
The operation principle of the present embodiment：The wavelength division multiplexer 3 is multiplexed the 1610nm＆1550nm wavelength lights of RFoG head ends 1
The 1490nm＆1310nm optical signals of optical line terminal OLT 2 or the light of 10GEPON head ends of signal, EPON/GPON head ends
Road terminal OLT2 1577nm＆1270nm optical signals, it is multiplexed and is transmitted on an optical fiber；The optical branching device 4 is with 1:32 branches
Output, the corresponding RFoG optical node of each branch, each RFoG optical nodes correspond at least one optical network unit ONU, formed
Point-to-multipoint optical network structure；The optical signal of 1610nm＆1550nm wavelength is converted to radio frequency output by the RFoG optical nodes 5；
The ONU6 changes EPON/GPON 1490nm＆1310nm optical signals or 10GEPON 1577nm＆1270nm optical signals
Into IP signal outputs.
The wavelength division multiplexer is the wavelength channels of 1610nm, 1577nm, 1550nm, 1490nm, 1310nm, 1270nm six
It is multiplexed into and exports all the way.
EPON/GPON system equipments are used in networking initial stage, there is provided 1.25Gbps or 2.5Gbps rate bandwidths；When
User bandwidth increase in demand, it is scalable to use 10GEPON system equipments, there is provided 10Gbps speed bands when system bandwidth is not enough
It is wide.
The RFoG head ends 1 use the ZBL5061T/R type RFoG head ends of Guangdian Science ＆ Technology Co., Ltd., Zhejiang,
The downlink radio-frequency signal of 87~1000MHz frequency ranges is modulated into the output of 1550nm optical signals, while receives 1610nm wavelength
Optical signal is converted to the upstream radio-frequency output of 5~65MHz frequency ranges.
The optical line terminal OLT 2 uses EPON/GPON system OLT devices initial stage in networking, there is provided 1.25Gbps
Or 2.5Gbps rate bandwidths；It is scalable to use 10GEPON systems when system bandwidth is not enough when user bandwidth increase in demand
OLT device, there is provided 10Gbps rate bandwidths.
The wavelength division multiplexer 3 uses the SUN-CWDM-6 type wavelength division multiplexers of Guilin Guang Long Photoelectric Co., Ltd.s,
The wavelength channels of 1610nm, 1577nm, 1550nm, 1490nm, 1310nm, 1270nm six are multiplexed into be exported all the way.
The optical branching device 4 uses the full window optical branching device of SUN-SP-1X32 types of Guilin Guang Long Photoelectric Co., Ltd.s,
1 road input optical signal is shunted to 32 road optical signal outputs, operating wavelength range 1260nm~1620nm.
The optical network unit ONU 6 uses EPON/GPON system ONU equipments initial stage in networking, there is provided 1.25Gbps
Or 2.5Gbps rate bandwidths；It is scalable to use 10GEPON systems when system bandwidth is not enough when user bandwidth increase in demand
ONU equipment, there is provided 10Gbps rate bandwidths.
The RFoG optical nodes 5 use the ZBL500AC type RFoG optical nodes of Guangdian Science ＆ Technology Co., Ltd., Zhejiang.
Embodiment 2
As different from Example 1, the RFoG optical nodes in the present embodiment include six wavelength optical assemblies 21, AGC modules 22,
Descending amplification module 23, bidirectional filter 24, up amplification module 25 and burst control module 26, the six wavelength optical assembly 21
It is connected respectively with AGC modules 22, burst control module 26, the AGC modules 22 are connected with descending amplification module 23, described descending
Amplification module 23 is connected with bidirectional filter 24, and the bidirectional filter 24 is connected with up amplification module 25, described up to put
Big module 25 is connected with burst control module 26.
The optical signal of RFoG optical nodes reception 1550nm wavelength is converted to the downlink radio frequency letter of 87~1000MHz frequency ranges
Number output, the upstream radio-frequency signal for receiving 5~65MHz frequency ranges are modulated into 1610nm optical signals and exported in a burst mode, instead
Penetrate end reflection output 1577nm＆1490nm＆1310nm＆1270nm optical signals.
The descending amplification module recommends module using the CGA7718Z of RFMD companies of the U.S., and the bidirectional filter uses
The ZBL5PD-65/87 type bidirectional filters of Guangdian Science ＆ Technology Co., Ltd., Zhejiang, the up amplification module use the U.S.
The MAAM-009633 type radio frequency amplifier tubes of MACOM companies, burst control module use Guangdian Science ＆ Technology Co., Ltd., Zhejiang
ZBL54BT type burst control modules, the AGC modules use Guangdian Science ＆ Technology Co., Ltd., Zhejiang ZBL54AR types
AGC modules.
The common port input 1610nm＆1577nm＆1550nm＆1490nm＆1310nm＆1270nm of the six wavelength optical assembly
Six wavelength channels, the reflection end output wavelength lights of 1577nm＆＆1490nm＆1310nm＆1270nm tetra- of the six wavelength optical assembly
Signal.The PD terminations of the six wavelength optical assembly accept the optical signal of row 1550nm wavelength and that the optical signal is converted into radio frequency is defeated
Go out.The uplink optical signal of the LD ends transmitting 1610nm wavelength of the six wavelength optical assembly.
The six wavelength optical assembly 21, including CWDM1 modules, LD modules, CWDM2 modules, PD modules, SC/APC light joints
With SC/PC light joints, the CWDM1 modules are connected with SC/APC light joint, LD modules, CWDM2 modules respectively, the CWDM2
Module is connected with PD modules, SC/PC light joints respectively.Wherein CWDM1 modules use the SUN- of Guilin Guang Long Photoelectric Co., Ltd.s
CWDM-61 type wavelength-division multiplex pipes, CWDM2 modules use the SUN-CWDM-55 type wavelength-division multiplex of Guilin Guang Long Photoelectric Co., Ltd.s
Pipe, LD modules use the BLLD-PSA-D1610 series lasers of Xiamen Bei Lai Photoelectric Co., Ltd.s, and PD modules use Xiamen shellfish
The BLPD-PSA-75B series of reception pipes of Lay Photoelectric Co., Ltd..
It is above preferred embodiment of the present utility model, the scope of protection of the utility model is not limited, for ability
The deformation and improvement that field technique personnel make according to mentality of designing of the present utility model, should all be considered as protection of the present utility model
Within the scope of.
Claims (10)
1. a kind of integration of three networks network of six wavelength applications, including RFoG head ends, it is characterised in that also including optical line terminal
OLT, wavelength division multiplexer and optical branching device, RFoG optical nodes and optical network unit ONU, the RFoG head ends, optical line terminal OLT
It is connected respectively with wavelength division multiplexer, the wavelength division multiplexer, optical branching device, RFoG optical nodes, optical network unit ONU connect successively
Connect.
A kind of 2. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The RFoG head ends
The downlink radio-frequency signal of 87~1000MHz frequency ranges is modulated into the output of 1550nm optical signals, while receives 1610nm wavelength
Optical signal be converted to 5~65MHz frequency ranges upstream radio-frequency output.
A kind of 3. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The wavelength-division multiplex
Device is multiplexed into the wavelength channels of 1610nm, 1577nm, 1550nm, 1490nm, 1310nm, 1270nm six and exported all the way.
A kind of 4. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The RFoG light section
The downlink radio-frequency signal that the optical signal of point reception 1550nm wavelength is converted to 87~1000MHz frequency ranges exports, and reception 5~
The upstream radio-frequency signal of 65MHz frequency ranges is modulated into 1610nm optical signals and exported in a burst mode, reflection end reflection output
1577nm＆1490nm＆1310nm＆1270nm optical signals.
A kind of 5. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The optical link is whole
Hold OLT inputs or output 1490nm＆1310nm optical signals；Or the optical line terminal OLT input or output 1577nm＆
1270nm optical signals.
A kind of 6. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The optical branching device
By 1:32 branches export, the corresponding RFoG optical node of each branch, the corresponding optical network unit of each RFoG optical nodes
ONU, form point-to-multipoint optical network structure.
A kind of 7. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The optical-fiber network list
EPON/GPON 1490nm＆1310nm optical signals or 10GEPON 1577nm＆1270nm optical signals are converted into IP by first ONU
Signal output.
A kind of 8. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The RFoG light section
The optical signal of 1610nm＆1550nm wavelength is converted to radio frequency output by point.
A kind of 9. integration of three networks network of six wavelength applications according to claim 1, it is characterised in that：The RFoG light section
Point includes AGC modules, bidirectional filter, six wavelength optical assemblies, descending amplification module, up amplification module and burst control mould
Block, the six wavelength optical assembly are connected respectively with AGC modules, burst control module, the AGC modules, descending amplification module, double
It is sequentially connected to wave filter, the bidirectional filter, up amplification module, burst control module are sequentially connected.
A kind of 10. integration of three networks network of six wavelength applications according to claim 9, it is characterised in that：Six wavelength
The common port input wavelength channels of 1610nm＆1577nm＆1550nm＆1490nm＆1310nm＆1270nm six of optical assembly, it is described
The reflection end output wavelength channels of 1577nm＆＆1490nm＆1310nm＆1270nm tetra- of six wavelength optical assemblies.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017206858710 | 2017-06-12 | ||
| CN201720685871 | 2017-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218703U true CN207218703U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721210358.2U Expired - Fee Related CN207218703U (en) | 2017-06-12 | 2017-09-20 | A kind of integration of three networks network of six wavelength applications |
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| Country | Link |
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| CN (1) | CN207218703U (en) |
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2017
- 2017-09-20 CN CN201721210358.2U patent/CN207218703U/en not_active Expired - Fee Related
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