CN207677736U - A kind of power-off protection equipment based on the relaying amplification of OEO luminous powers - Google Patents
A kind of power-off protection equipment based on the relaying amplification of OEO luminous powers Download PDFInfo
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- CN207677736U CN207677736U CN201721547668.3U CN201721547668U CN207677736U CN 207677736 U CN207677736 U CN 207677736U CN 201721547668 U CN201721547668 U CN 201721547668U CN 207677736 U CN207677736 U CN 207677736U
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Abstract
The utility model discloses a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers.The case where taking electric place and environment complicated, be easy to happen power-off failure of OEO optical amplification repeater transmission devices, therefore reliability is relatively low.The utility model includes photoswitch, network management communication module and power module.Network management communication module includes the first storage chip, webmaster chip, master chip and the second storage chip.Power module includes power supply, the first decompression chip, the second decompression chip, third decompression chip and the 4th decompression chip.The enabled pin of first decompression chip is connect with the I/O of webmaster chip mouths；The voltage output pin of first decompression chip and the feeder ear of photoswitch connect.The utility model after power is turned off, only can make optical signal that can not amplify, but optical signal can still continue to propagate, after avoiding relay amplification device power-off, the case where optical-fiber network is directly paralysed.
Description
Technical field
The utility model belongs to passive optical network data transmission technical field, and in particular to one kind being based on OEO (Optical-
Electric-Optical, optical-electrical-optical conversion) luminous power relaying amplification power-off protection equipment.
Background technology
PON (Passive Optical Network, passive optical network) is a kind of novel intelligent acess network technology.It
It is transmitted using point-to-multipoint structure, passive fiber, multiple business is provided over ethernet, is the optimum network of the current integration of three networks
Technology.In PON engineering designs, optical channel loss is most important network performance index.
At present be and meanwhile meet OLT (Optical Line Termination, optical line terminal) centralized management and
The abundant use of OLT bandwidth, the relay transmission equipment amplified using a kind of OEO luminous powers, the equipment are converted using optical-electrical-optical
Mode realize luminous power amplify, the OLT optical signals received are converted into telecommunications by ONU optical modules by opto-electronic conversion first
Number, by signal amplification, shaping, then electric signal is modulated on OLT optical modules and is exported, output signal will be directly inputted to light splitting
Device.
OEO optical amplification repeater transmission devices are generally located in fiber cable cross connection box, take electric place and environment complicated, road construction
And maintenance circuit work is relatively complicated.Currently, the power-off protection for OEO optical amplification repeater transmission devices is not complete enough
It is kind, therefore OEO optical amplification repeater transmission device use reliabilities are relatively low at present, there are unstable external causes.
Invention content
The purpose of this utility model is to provide a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers.
The utility model includes photoswitch, network management communication module and power module.The photoswitch shares n, 1≤n
≤20.The network management communication module includes the first storage chip, webmaster chip, master chip and the second storage chip.Described
Master chip is communicated with webmaster chip by medium independent interface bus and serial peripheral interface bus.Webmaster chip and first
Storage chip is communicated by internal integrated circuit bus.The master chip and the second storage chip is by being internally integrated electricity
Road bus is communicated.
The power module includes power supply, the first decompression chip, the second decompression chip, third decompression chip and the 4th drop
Press chip.The voltage of the voltage output pin of the power supply and the first decompression chip, the second decompression chip and third decompression chip
Input pin connects.The enabled pin of the first decompression chip is connect with the I/O of webmaster chip mouths；The electricity of first decompression chip
The feeder ear of pressure output pin and n photoswitch is all connected with.The voltage output pin and webmaster chip of the second decompression chip
3.3V feeder ears, the first storage chip, the feeder ear of the second storage chip and the 4th decompression chip voltage input pin connect
It connects.The third decompression chip, the voltage output pin of the 4th decompression chip and 2.5V feeder ears, the 1.2V of webmaster chip power
End is separately connected.
Further, 2 × 2 mechanical light that the photoswitch uses Shenzhen one to fly ANT Nachrichtentechnik GmbH's production are opened
It closes.
Further, first storage chip uses the FLASH chip of model MX25L4006EM1I-12G.Institute
The second storage chip stated uses the E2PROM chips of model AT24C16AN.
Further, the model EP4CE6E22C8N of the webmaster chip.
Further, the master chip uses the microcontroller of model STM32F107.
Further, the model MP1484EN of the first decompression chip.The model of the second decompression chip
LM1117-3.3.The model LT1963A-2.5 of the third decompression chip.The model of the 4th decompression chip
LD1117-1.2V。
Further, the network management communication module further includes host computer；The host computer passes through string with webmaster chip
Row peripheral interface bus is communicated.
The utility model has an advantageous effect in that：
1, the utility model can choose whether to start the relay amplification device of optical signal according to actual conditions, and then in light
Signal relay amplification device encounters external interference factor and is powered off, and ensure that the reliability of lightray propagation.
2, the utility model after power is turned off, only can make optical signal that can not amplify, but optical signal still can be after
It resumes and broadcasts, after avoiding relay amplification device power-off, the case where optical-fiber network is directly paralysed.
Description of the drawings
Fig. 1 is the system block diagram of the utility model；
Fig. 2 is the light path connection figure of photoswitch in the utility model；
Fig. 3 is the combined system block diagram of power module and network management communication module in the utility model.
Specific implementation mode
Below in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figure 1,2 and 3, a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers, including photoswitch I, net
Pipe communication module II and power module III.Photoswitch I flies 2 × 2 mechanical light of ANT Nachrichtentechnik GmbH's production using Shenzhen one
Switch, and altogether there are four.First optical fiber interface of four photoswitches I is separately connected with four input optical fibres 3, the second optical fiber interface
It is separately connected with the optical fiber interface of four the first optical modules 1, the optical fiber interface point of third optical fiber interface and four the second optical modules 2
It does not connect, the 4th optical fiber interface is connect with the input port of four optical splitters 4.The delivery outlet of four optical splitters 4 with multiple light nets
Network unit 17 connects.Four optical line terminals of optical signals transmitted in four input optical fibres 3 are sent out respectively.First optical module 1
Electrical signal and corresponding second optical module 2 electric signal input end connect.
As shown in figure 3, network management communication module includes the first storage chip 12, webmaster chip 13, host computer 14, master chip 15
With the second storage chip 16.First storage chip 12 uses the FLASH chip of model MX25L4006EM1I-12G.Second storage
Deposit E2PROM chip of the chip 16 using model AT24C16AN.The model EP4CE6E22C8N of webmaster chip 13.Master chip
15 use the microcontroller of model STM32F107.Master chip 15 and webmaster chip 13 by medium independent interface bus (i.e. MII,
Medium Independent Interface) and serial peripheral interface bus (i.e. SPI, Serial Peripheral
Interface it) is communicated.Webmaster chip 13 and the first storage chip 12 by internal integrated circuit bus (i.e. I2C,
Inter-Integrated Circuit) it is communicated.Master chip 15 and the second storage chip 16 are total by internal integrated circuit
Line is communicated.Webmaster chip 13 is communicated with host computer 14 by serial peripheral interface bus.
It is depressured the decompression of chip 7, second chip 9, third decompression chip as shown in figure 3, power module includes power supply 8, first
10 and the 4th are depressured chip 11.The model MP1484EN of first decompression chip 7.The model LM1117- of second decompression chip 9
3.3.Third is depressured the model LT1963A-2.5 of chip 10.The model LD1117-1.2V of 4th decompression chip 11.Power supply 8
Voltage output pin and first decompression chip 7, second be depressured chip 9 and third decompression chip 10 voltage input pin connect
It connects.The enabled pin of first decompression chip 7 is connect with one I/O mouthfuls of webmaster chip 13；The voltage output of first decompression chip 7
The feeder ear of pin and four photoswitches is all connected with.The 3.3V of the voltage output pin and webmaster chip 13 of second decompression chip 9
The voltage input pin company of feeder ear, the first storage chip 12, the feeder ear of the second storage chip 16 and the 4th decompression chip 11
It connects.Third is depressured chip the 10, the 4th and is depressured the voltage output pin of chip 11 and the 2.5V feeder ears of webmaster chip, 1.2V power supplies
End is separately connected.
The operation principle of the utility model is as follows：
Webmaster chip 13 reads the preset configuration stored in the first storage chip 12 by AS patterns (active arrangement pattern)
Information.Master chip 15 reads the network management information stored in the second storage chip 12.Webmaster chip 4 is controlled by master chip 11.
When needing to amplify optical signal repeater, the enabled first decompression chip 7 of webmaster chip is (so that the first decompression chip 7
Export 5V voltages) so that photoswitch is powered, and the optical signal of optical line terminal output enters the first light after the transmission of input optical fibre
Module.First optical module converts the optical signal of input to electric signal and is transferred to the second optical module.Second optical module will input
Electric signal amplify and be transferred to optical splitter after being converted into optical signal.The optical signal of input is divided into multiple tracks and passed respectively by optical splitter
It is defeated by multiple optical network units.
When that need not amplify optical signal repeater, webmaster chip closes the first decompression chip 7 (so that the first decompression chip
7 not output voltages) so that photoswitch powers off, and the optical signal of optical line terminal output is transmitted directly to optical splitter.Optical splitter will be defeated
The optical signal entered is divided into multiple tracks and is transferred to multiple optical network units respectively.
Claims (7)
1. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers, including photoswitch, network management communication module and power supply mould
Block；It is characterized in that：The photoswitch shares n, 1≤n≤20；First optical fiber interface of n photoswitch and n root input lights
Fibre is separately connected, and the optical fiber interface of the second optical fiber interface and n the first optical modules is separately connected, third optical fiber interface with n the
The optical fiber interface of two optical modules is separately connected, and the 4th optical fiber interface is connect with the input port of n optical splitter；N the first optical modules
Electrical signal and the electric signal input ends of n the second optical modules be separately connected；
The network management communication module includes the first storage chip, webmaster chip, master chip and the second storage chip；The master
Chip is communicated with webmaster chip by medium independent interface bus and serial peripheral interface bus；Webmaster chip and the first storage
Chip is deposited to be communicated by internal integrated circuit bus；The master chip and the second storage chip passes through internal integrated circuit
Bus is communicated；
The power module includes power supply, the first decompression chip, the second decompression chip, third decompression chip and the 4th decompression core
Piece；The control source of the voltage output pin of the power supply and the first decompression chip, the second decompression chip and third decompression chip
Pin connects；The enabled pin of the first decompression chip is connect with the I/O of webmaster chip mouths；The voltage of first decompression chip is defeated
The feeder ear for going out pin and n photoswitch is all connected with；The voltage output pin and webmaster chip of the second decompression chip
The voltage input pin connection of 3.3V feeder ears, the first storage chip, the feeder ear of the second storage chip and the 4th decompression chip；
Third decompression chip, the 4th decompression chip voltage output pin and webmaster chip 2.5V feeder ears, 1.2V feeder ears
It is separately connected.
2. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
The photoswitch flies 2 × 2 mechanical optical switches of ANT Nachrichtentechnik GmbH's production using Shenzhen one.
3. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
First storage chip uses the FLASH chip of model MX25L4006EM1I-12G；Second storage chip is adopted
With the E2PROM chips of model AT24C16AN.
4. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
The model EP4CE6E22C8N of the webmaster chip.
5. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
The master chip uses the microcontroller of model STM32F107.
6. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
The model MP1484EN of the first decompression chip；The model LM1117-3.3 of the second decompression chip；The third
It is depressured the model LT1963A-2.5 of chip；The model LD1117-1.2V of the 4th decompression chip.
7. a kind of power-off protection equipment based on the relaying amplification of OEO luminous powers according to claim 1, it is characterised in that：
The network management communication module further includes host computer；The host computer is carried out with webmaster chip by serial peripheral interface bus
Communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547668.3U CN207677736U (en) | 2017-11-17 | 2017-11-17 | A kind of power-off protection equipment based on the relaying amplification of OEO luminous powers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721547668.3U CN207677736U (en) | 2017-11-17 | 2017-11-17 | A kind of power-off protection equipment based on the relaying amplification of OEO luminous powers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677736U true CN207677736U (en) | 2018-07-31 |
Family
ID=62965221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721547668.3U Active CN207677736U (en) | 2017-11-17 | 2017-11-17 | A kind of power-off protection equipment based on the relaying amplification of OEO luminous powers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207677736U (en) |
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2017
- 2017-11-17 CN CN201721547668.3U patent/CN207677736U/en active Active
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