CN201928276U - Power modem based on EPON (Ethernet Passive Optical Network) access - Google Patents
Power modem based on EPON (Ethernet Passive Optical Network) access Download PDFInfo
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- CN201928276U CN201928276U CN2010206314635U CN201020631463U CN201928276U CN 201928276 U CN201928276 U CN 201928276U CN 2010206314635 U CN2010206314635 U CN 2010206314635U CN 201020631463 U CN201020631463 U CN 201020631463U CN 201928276 U CN201928276 U CN 201928276U
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Abstract
The utility model discloses a power modem based on EPON (Ethernet Passive Optical Network) access, which comprises a PLC (Programmable Logic Controller) functional module and a power-supply module and also comprises an EPON functional module, an Ethernet Switch unit and an RJ45 interface; and the PLC functional module and the EPON functional module are respectively connected to the RJ45 interface through the Ethernet Switch unit. In the utility model, the respective advantages of a PLC and an EPON are combined, and the power modem not only has the advantages of high EPON bandwidth, compatibility with a traditional Ethernet, convenience in management and the like, but also has the advantages of power-line communication: rewiring is not needed, a network can be accessed by using a power-supply socket at home, and the power modem is easy to install and expand, is convenient to use and the like; and the wish that a user can surf the Internet at any places at home is fulfilled, the worry of radiation brought to the user by wireless equipment does not exist, and the power modem has a quite good market development prospect.
Description
Technical field
The utility model relates to power line communication (Power Line Communication, be called for short PLC) technical field, relate in particular to a kind of electric power modem that inserts based on Ethernet passive optical network (Ethernet Passive Optical Network is called for short EPON).
Background technology
Along with the fast development of Internet technology, the network user is growing to the demand of the network bandwidth.In order to satisfy the needs in market, huge variation has taken place in the trunk portion of communication network, has become bottleneck in the whole network and change less traditional Access Network always, and various new broadband access technologys become the focus of research.EPON is exactly a kind of emerging broadband access technology, and it is realized that the integrated service of data, voice and video inserts, and have good and economic by a single Fiber Access System.Because EPON has can effectively save construction and operation maintenance cost, can reduce OLT(optical line terminal greatly, optical fiber cable termination equipment) and the cost pressure of trunk optical fiber, can be convenient, flexible distribute numerous advantages such as bandwidth according to the change dynamics of user's request, EPON more and more is subjected to people's favor, be about to become broadband access network the most effective a kind of communication means, yet it has when using and need make indoor environment complicated and attractive in appearance inadequately in indoor defective of additionally setting up network line.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of electric power modem that inserts based on EPON, utilizes existing network and power line to realize the transmission of various information, simplifies environment for use.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electric power modem that inserts based on EPON, it comprises PLC functional module and power module, and described electric power modem also comprises EPON functional module, Ethernet Switch unit, RJ45 interface; Described PLC functional module and EPON functional module are connected to the RJ45 interface by Ethernet Switch unit respectively.
Wherein, described PLC functional module comprises: PLC DSP unit, and PHY unit, AFE and the band-pass filter unit, FLASH memory, the SDRAM memory that link to each other with PLC DSP unit respectively.
Wherein, described EPON functional module comprises: EPON ONU unit, and the optical-fiber network Transmit-Receive Unit, FLASH memory, the Double Data Rate synchronous DRAM that are connected with EPON ONU unit respectively.
Wherein, described Ethernet Switch unit provides four 10/100 Based-T Ethernet interfaces, is connected with four RJ45 interfaces respectively.
The beneficial effects of the utility model are: the utility model combines PLC and EPON advantage separately, not only have EPON high bandwidth, with advantages such as the compatible of existing Ethernet and convenient management, and had the advantage of power line communication: without rewiring, use the supply socket in the family just can access network, expansion is installed easily, easy to use etc.; Satisfy the hope that the user can surf the Net at home everywhere, also do not had the misgivings of the radiation that wireless device brings to the user, had all well and good market development prospect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the electric power modem that inserts based on EPON among the utility model embodiment.
Fig. 2 is the workflow diagram of the electric power modem that inserts based on EPON among the utility model embodiment.
Embodiment
See also Fig. 1, this figure is depicted as the structure of present embodiment based on the electric power modem of EPON access, comprising: PLC functional module 1, Ethernet Switch unit 2, EPON functional module 3, power module 4, RJ45 interface 5; PLC functional module 1 and EPON functional module 3 are connected to RJ45 interface 5 by Ethernet Switch unit 2 respectively, use for the user.
PLC functional module 1 comprises in order to the translation function of modulation, electric-power wire communication signal and the ethernet signal of realizing electric-power wire communication signal: PLC DSP unit 11, and the AFE ﹠amp that is connected respectively with PLC DSP unit 11; RX Filter(AFE (analog front end) and band pass filter) unit 12, PHY unit 13, FLASH memory 14, SDRAM memory 15.PLC DSP unit 11 adopts the process chip INT6400 of Atheros, and it has comprised MAC and the PHY that meets the HomePlugAV standard, a MII interface, expansion sdram interface and extended SPI interface, also embedded in addition AD and DA transducer; That AFE (AFE (analog front end)) adopts is the INT1400 of Atheros, and it comprises the line driver of TX, and can adjust the gain of RX and TX end by software programming; Rx Filter is a band pass filter, and bandwidth is 2MHz～30MHz; The Flash memory of the plug-in a slice 16Mbit of expansion interface by INT6400 and the SDRAM memory of a slice 64Mbit; PHY unit 13 is 100 mbit ethernet controllers that satisfy IEEE802.3, adopts the AR8032 10/100BASE-T of Atheros, supports the MII interface, and it is connected to the Port4 of Ethernet Switch unit 2.
EPON functional module 3 comprises EPON ONU unit 31, optical-fiber network Transmit-Receive Unit 32, FLASH memory 33, DDR 2 memories 34 in order to the modulation function of realization EOPN signal and the translation function of ethernet signal and EPON signal.Wherein, EPON ONU unit 31 adopts the OPL-06752 chip of Opulan, the OPL-06752 chip is that Opulan company is thereon on the basis of generation chip, improved integrated level greatly, be present industry rs only single chip solution, support 802.3 ethernet mac standards and the 802.3x flow control standard of IEEE 802.ah EPON MAC standard, MII/GMII; Optical-fiber network Transmit-Receive Unit 32 adopts T﹠amp; The TW1251G of W adopts 2*10 SFF encapsulation; The serial ports Flash memory of the external 64Mbit of expansion interface by the OPL-06752 chip and the DDR2 memory of 512Mbit.
Ethernet Switch unit 2 is distributed to the corresponding network port after treatment in order to the data that EPON or PLC are come and uses for the user, adopt the AR8228 chip of Atheros in the present embodiment, four 10/100 Based-T Ethernet interfaces can be provided, can realize wired connection easily.
Power module 4, what its master chip adopted is the TinySwitch-III family chip of PI company, the TinySwitch-III family chip the is integrated power MOSFET of a 650V, oscillator, high-voltage switch gear current source, current limitation and hot breaking circuit, adopt the TNY178 chip in the TinySwitch-III family chip in the present embodiment, through the single 11V main power source of feedback output, convert 3.3V, 1.8V, 1.2V and the 1.05V etc. of system's needs to for each chip use by DC-DC chip and LDO chip again.
Two parts of the present utility model, be that PLC functional module 1 and EPON functional module 3 are separate, can not pin down mutually during work, the user can use it separately without PLC functional module 1 fully as an EPON product, perhaps do not insert tail optical fiber and use as a simple PLC product, the user can select to use the RJ45 mouth directly to connect netting twine to carry out network communication or select communicating by PLC when two parts are all worked, also can use two kinds of delivering paths simultaneously, this shows, the utlity model has good flexibility, widen the mode that consumer wideband inserts, satisfied user's different demands.
As shown in Figure 2, workflow of the present utility model specifically comprises.
201, start electric power modem, finish system initialization, PLC part and EPON partly are separate systems, finish module separately and start; The PLC module starts back execution in step 202, and the EPON functional module starts back execution in step 204.
202, after the PLC functional module starts, connect monitor service, detect the outside whether connection request is arranged, external connection request comprises the connection request of power line and Ethernet, if power line has connection request, and check NVM sign indicating number, if the NVM sign indicating number is correct, then execution in step 203, if the NVM sign indicating number is incorrect, returns and continue to monitor; If the Ethernet connection request is arranged, then execution in step 203; If there is not the Ethernet connection request, then continue to monitor.
203, set up communication port, the data of coming from power line transmission are carried out AD be converted into digital information, enter buffer area, send the RTSP packet then, finish power line signal to data transmission of Ethernet; Conversion is converted to analog signal with digital information to the digital information of coming from Ethernet through DA, and after ovennodulation is amplified, enters power line through behind the signal coupler, finishes the transfer of data of ethernet signal to power line.
204, whether after the EPON functional module starts, monitoring has tail optical fiber to insert, if do not have, returns and continues to monitor, if there is tail optical fiber to insert, then execution in step 205.
205, set up the light path link, wait for that the client starts the related service of related service and customer in response startup.
In addition, above-mentioned EPON functional module and PLC functional module can be in conjunction with carrying out work, be that the EPON functional module is transmitted to the PLC functional module by the data that optical fiber inserts after Ethernet Switch cell processing, undertaken transmitting by power line after the modulation by it; Perhaps, the signal that the PLC functional module receives from power line is transmitted to the EPON functional module after passing through Ethernet Switch cell processing, passes through the light path link transmission by it.
To sum up, the utility model has been complied with the high-bandwidth communication development general trend of events on the one hand, need not additionally to set up any network line on the other hand, just can utilize the ubiquitous advantage of power line network, easily realizes the real time communication with ethernet device in 300 meters scopes.
Above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, only with reference to preferred embodiment the utility model is had been described in detail.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical solution of the utility model, and do not break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. an electric power modem that inserts based on EPON comprises PLC functional module and power module, it is characterized in that described electric power modem comprises EPON functional module, Ethernet Switch unit, RJ45 interface; Described PLC functional module and EPON functional module are connected to the RJ45 interface by Ethernet Switch unit respectively.
2. the electric power modem that inserts based on EPON as claimed in claim 1, it is characterized in that, described PLC functional module comprises: PLC DSP unit, and PHY unit, AFE and the band-pass filter unit, FLASH memory, the SDRAM memory that link to each other with PLC DSP unit respectively.
3. the electric power modem that inserts based on EPON as claimed in claim 1, it is characterized in that, described EPON functional module comprises: EPON ONU unit, and the optical-fiber network Transmit-Receive Unit, FLASH memory, the Double Data Rate synchronous DRAM that are connected with EPON ONU unit respectively.
4. as the arbitrary described electric power modem that inserts based on EPON of claim 1 to 3, it is characterized in that described Ethernet Switch unit provides four 10/100 Based-T Ethernet interfaces, be connected with four RJ45 interfaces respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206314635U CN201928276U (en) | 2010-11-30 | 2010-11-30 | Power modem based on EPON (Ethernet Passive Optical Network) access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206314635U CN201928276U (en) | 2010-11-30 | 2010-11-30 | Power modem based on EPON (Ethernet Passive Optical Network) access |
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| Publication Number | Publication Date |
|---|---|
| CN201928276U true CN201928276U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206314635U Expired - Lifetime CN201928276U (en) | 2010-11-30 | 2010-11-30 | Power modem based on EPON (Ethernet Passive Optical Network) access |
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| CN (1) | CN201928276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312367A (en) * | 2013-06-17 | 2013-09-18 | 洛阳愿景科技有限公司 | Dual-mode communication chip |
-
2010
- 2010-11-30 CN CN2010206314635U patent/CN201928276U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312367A (en) * | 2013-06-17 | 2013-09-18 | 洛阳愿景科技有限公司 | Dual-mode communication chip |
| CN103312367B (en) * | 2013-06-17 | 2015-08-26 | 洛阳愿景科技有限公司 | A kind of dual-mode communication chip |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518067 Nanshan medical equipment Industrial Park, No. 1019 Nanhai Road, Shenzhen, Guangdong, Nanshan District B411-413 Patentee after: Shenzhen Gongjin Electronics Co., Ltd. Address before: 518067 Nanshan medical equipment Industrial Park, No. 1019 Nanhai Road, Shenzhen, Guangdong, Nanshan District B411-413 Patentee before: Shenzhen Gongjin Electronics Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
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| CX01 | Expiry of patent term |