CN206542538U - One kind is suitable to PON Fiber Optic Extension frame - Google Patents
One kind is suitable to PON Fiber Optic Extension frame Download PDFInfo
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- CN206542538U CN206542538U CN201720229952.XU CN201720229952U CN206542538U CN 206542538 U CN206542538 U CN 206542538U CN 201720229952 U CN201720229952 U CN 201720229952U CN 206542538 U CN206542538 U CN 206542538U
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Abstract
The utility model one kind is suitable to PON Fiber Optic Extension frame, including optical line terminal OLT, local side polymerization unit, distal end polymerization unit, multiple optical splitters and the corresponding multiple optical network unit ONUs of each optical splitter, the optical line terminal OLT is sequentially connected with local side polymerization unit, distal end polymerization unit, multiple optical splitters, each optical splitter is connected with multiple optical network unit ONUs respectively, and the local side polymerization unit and distal end polymerization unit are connected by optical fiber.
Description
Technical field
The utility model is related to a kind of suitable for PON Fiber Optic Extension frame.
Background technology
PON (EPON) technology of standardization includes EPON and GPON, and most long access distance is general in the prior art
For 20Km, branching ratio is 16,32 or 64.When optical branching ratio is 1: 16, the supported greatest physical distance of PON system is
20km；When optical branching ratio is 1: 32, the supported greatest physical distance of PON system is 10km.However, with urbanization trend
Fast development, it is desirable to the most long access distance about 100Km of Metro access networks requirement, and existing technical scheme obviously can not be met
The need for Development of Urbanization.
In view of above-mentioned defect, the design people is actively subject to research and innovation, a kind of suitable for PON optical fiber to found
Extensible frame, makes it with more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model, which is to provide one kind, is suitable to PON Fiber Optic Extension frame.
The utility model one kind is suitable to PON Fiber Optic Extension frame, including optical line terminal OLT, local side polymerization unit, remote
Polymerization unit, multiple optical splitters and the corresponding multiple optical network unit ONUs of each optical splitter are held, the optical line terminal OLT is sequentially
It is connected with local side polymerization unit, distal end polymerization unit, multiple optical splitters, each optical splitter connects with multiple optical network unit ONUs respectively
Connect, the local side polymerization unit and distal end polymerization unit are connected by optical fiber；
Wherein, the OLT device includes housing, if being integrated with the housing provided with mainboard module, on the master control borad
FLASH modules that dry PON modules, the power module connected with mainboard module, mainboard are connected, data memory module, business mould
Block, temperature control module, wherein the power module and the mainboard are connected by power protecting circuit, the power protecting circuit bag
Include hot plug control module, Voltage stabilizing module and switch module；The hot plug control module is connected with mainboard module, the voltage stabilizing
Single module is connected with the hot plug control module and the switch module, and the switch module is connected with power module, described
The slot for being provided with some spaces, the space and being used for fixing various modules is formed in housing.
Further, it is connected with the OLT on the first lightning protection device, described optical splitter and is connected with the second lightning protection dress
Put, the first described lightning protection device is connected with the second lightning protection device, the first described lightning protection device is with the second lightning protection device
Single port lightning protection device.
Further, the switch module is provided with infrared inductor.
Further, the input of the optical splitter is connected with wave filter, power amplifier.
Further, the Voltage stabilizing module includes：First voltage-regulator diode and the second voltage-regulator diode, first voltage stabilizing
The negative pole of diode is connected with the hot-swapping controller, the positive pole of first voltage-regulator diode and the pole of the second voltage stabilizing two
The positive pole of pipe is connected, and the negative pole of second voltage-regulator diode is connected with the switch element.
Further, the optical splitter is 50%, the optical splitter of 50% light splitting ratio.
By such scheme, the utility model at least has advantages below：
By increasing local side polymerization unit and distal end polymerization unit in basic passive optical network PON structure, make its into
For long-distance passive optical network (LR-PON) system of distance up to 100Km.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is that the utility model one kind is suitable to PON Fiber Optic Extension frame structured flowchart.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in figure 1, a kind of most preferred embodiment suitable for PON Fiber Optic Extension frame described in the utility model：It is suitable to
PON Fiber Optic Extension frame, including optical line terminal OLT, local side polymerization unit, distal end polymerization unit, multiple optical splitters and each
The corresponding multiple optical network unit ONUs of optical splitter, the optical line terminal OLT sequentially polymerize with local side polymerization unit, distal end to be set
Standby, multiple optical splitter connections, each optical splitter is connected with multiple optical network unit ONUs respectively, the local side polymerization unit and distal end
Polymerization unit is connected by optical fiber；
Wherein, the OLT device includes housing, if being integrated with the housing provided with mainboard module, on the master control borad
FLASH modules that dry PON modules, the power module connected with mainboard module, mainboard are connected, data memory module, business mould
Block, temperature control module, wherein the power module and the mainboard are connected by power protecting circuit, the power protecting circuit bag
Include hot plug control module, Voltage stabilizing module and switch module；The hot plug control module is connected with mainboard module, the voltage stabilizing
Single module is connected with the hot plug control module and the switch module, and the switch module is connected with power module, described
The slot for being provided with some spaces, the space and being used for fixing various modules is formed in housing.
Further, it is connected with the OLT on the first lightning protection device, described optical splitter and is connected with the second lightning protection dress
Put, the first described lightning protection device is connected with the second lightning protection device, the first described lightning protection device is with the second lightning protection device
Single port lightning protection device.The switch module is provided with infrared inductor.
The input of the optical splitter is connected with wave filter, power amplifier.
The Voltage stabilizing module includes：First voltage-regulator diode and the second voltage-regulator diode, first voltage-regulator diode
Negative pole is connected with the hot-swapping controller, the positive pole of the positive pole of first voltage-regulator diode and second voltage-regulator diode
It is connected, the negative pole of second voltage-regulator diode is connected with the switch element.The switch element includes topological structure
HEXFET power field effect pipes, the grid of the HEXFET power field effect pipes is connected with the voltage regulation unit, the HEXFET
The drain electrode of power field effect pipe is connected with hot-swapping controller, source electrode and the power module phase of the HEXFET power field effect pipes
Even.
The optical splitter is 50%, the optical splitter of 50% light splitting ratio.
The utility model PON polymerization remote devices zoom out veneer by PON polymerizations in local side and are converted into multichannel PON signals
OTU signals, are transmitted after signal is polymerize, so as to realize 4/8 road PON business of carrying, line side takes 1/2 core fibre core and carried out
Transmission, interface rate supports descending 2.5/ up 1.25Gbps.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, it can also do
Go out some improvement and modification, these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (6)
1. one kind is suitable to PON Fiber Optic Extension frame, it is characterised in that including optical line terminal OLT, local side polymerization unit, remote
Polymerization unit, multiple optical splitters and the corresponding multiple optical network unit ONUs of each optical splitter are held, the optical line terminal OLT is sequentially
It is connected with local side polymerization unit, distal end polymerization unit, multiple optical splitters, each optical splitter connects with multiple optical network unit ONUs respectively
Connect, the local side polymerization unit and distal end polymerization unit are connected by optical fiber；
Wherein, the OLT device includes housing, provided with being integrated with some PON moulds on mainboard module, master control borad in the housing
Block, with mainboard module be connected power module, mainboard be connected FLASH modules, data memory module, business module, temperature control
Module, wherein the power module and the mainboard are connected by power protecting circuit, the power protecting circuit includes heat and inserted
Pull out control module, Voltage stabilizing module and switch module；The hot plug control module is connected with mainboard module, the voltage stabilizing single module
It is connected with the hot plug control module and the switch module, the switch module is connected with power module, in the housing
Form the slot for being provided with some spaces, the space and being used for fixing various modules.
2. it is according to claim 1 a kind of suitable for PON Fiber Optic Extension frame, it is characterised in that to be connected with the OLT
The second lightning protection device is connected with first lightning protection device, described optical splitter, the first described lightning protection device and the second lightning protection are filled
Put connected, described the first lightning protection device and the second lightning protection device is single port lightning protection device.
3. it is according to claim 1 a kind of suitable for PON Fiber Optic Extension frame, it is characterised in that on the switch module
Provided with infrared inductor.
A kind of be suitable to PON Fiber Optic Extension frame 4. according to claim 1, it is characterised in that the optical splitter it is defeated
Enter end and be connected with wave filter, power amplifier.
5. it is according to claim 1 a kind of suitable for PON Fiber Optic Extension frame, it is characterised in that the Voltage stabilizing module bag
Include：First voltage-regulator diode and the second voltage-regulator diode, negative pole and the hot-swapping controller of first voltage-regulator diode
It is connected, the positive pole of first voltage-regulator diode is connected with the positive pole of second voltage-regulator diode, the pole of the second voltage stabilizing two
The negative pole of pipe is connected with the switch element.
6. a kind of it is suitable to PON Fiber Optic Extension frame according to claim 1, it is characterised in that the optical splitter is
50%, the optical splitter of 50% light splitting ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229952.XU CN206542538U (en) | 2017-03-09 | 2017-03-09 | One kind is suitable to PON Fiber Optic Extension frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229952.XU CN206542538U (en) | 2017-03-09 | 2017-03-09 | One kind is suitable to PON Fiber Optic Extension frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542538U true CN206542538U (en) | 2017-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720229952.XU Active CN206542538U (en) | 2017-03-09 | 2017-03-09 | One kind is suitable to PON Fiber Optic Extension frame |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888290A (en) * | 2017-11-30 | 2018-04-06 | 杭州初灵信息技术股份有限公司 | A kind of GPON signals polymerization remote device and its polymerization remote method |
| CN111510799A (en) * | 2020-04-16 | 2020-08-07 | 广州市满航通信科技有限公司 | GPON aggregation remote system |
-
2017
- 2017-03-09 CN CN201720229952.XU patent/CN206542538U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888290A (en) * | 2017-11-30 | 2018-04-06 | 杭州初灵信息技术股份有限公司 | A kind of GPON signals polymerization remote device and its polymerization remote method |
| CN107888290B (en) * | 2017-11-30 | 2023-12-29 | 杭州初灵信息技术股份有限公司 | GPON signal aggregation remote equipment and aggregation remote method thereof |
| CN111510799A (en) * | 2020-04-16 | 2020-08-07 | 广州市满航通信科技有限公司 | GPON aggregation remote system |
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