CN102082714B - An Ethernet passive optical network device containing a power carrier module and a signal transmission method thereof - Google Patents
An Ethernet passive optical network device containing a power carrier module and a signal transmission method thereof Download PDFInfo
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- CN102082714B CN102082714B CN201010608766XA CN201010608766A CN102082714B CN 102082714 B CN102082714 B CN 102082714B CN 201010608766X A CN201010608766X A CN 201010608766XA CN 201010608766 A CN201010608766 A CN 201010608766A CN 102082714 B CN102082714 B CN 102082714B
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Abstract
本发明提供一种含有电力载波模块的以太网无源光网络装置，包括光收发器、EPONONU单元、多端口的以太网交换单元、RJ-45以太网口和电力载波模块；在同一电表范围内，所述装置通过电力线缆将网络接入设备接入互联网。本发明还公开了含有电力载波模块的以太网无源光网络装置的信号传输方法，利用供电电力线缆进行以太网数据传输，方便用户的宽带接入和使用，具有便利性。
The invention provides an Ethernet passive optical network device containing a power carrier module, including an optical transceiver, an EPONONU unit, a multi-port Ethernet switching unit, an RJ-45 Ethernet port and a power carrier module; within the range of the same electric meter , the device connects the network access device to the Internet through a power cable. The invention also discloses a signal transmission method of an Ethernet passive optical network device containing a power carrier module, which utilizes a power supply cable for Ethernet data transmission, which is convenient for users to access and use broadband, and has convenience.
Description
Technical field
The present invention relates to fields such as fiber optic network access, PLC technology, relate in particular to a kind of Ethernet passive optical network device and method for transmitting signals thereof that contains the power carrier module.
Background technology
Ethernet passive optical network (hereinafter to be referred as EPON) is a kind of novel Optical Access Network technology, and it adopts point-to-multipoint configuration, passive fiber transmission, and multiple business is provided on Ethernet.It has combined the advantage of EPON (hereinafter to be referred as PON) technology and ethernet technology, has low cost, a high broadband, and autgmentability is strong, service reorganization fast flexibly, and with existing Ethernet compatibility, and characteristics such as convenient management.
Ethernet passive optical network access unit (hereinafter to be referred as EPON ONU) has one or more Ethernet interface, the higher Wifi wave point that has usually at present.But part home network access device does not possess the wifi function, and the position is comparatively fixing, like the family expenses desktop computer, and home IPTV STB etc.
Power carrier (hereinafter to be referred as PLC) is a kind of mechanics of communication of development in recent years; Be meant and utilize the existing power line; The analog or digital signal is carried out the technology of high-speed transfer through carrier system; Maximum characteristics are not need to set up again network line, as long as electric power cable is arranged, just can carry out data passes.
The present invention overcomes the cable of existing passive optical network unit in family's network design layout again; And can not rely on the problem of existing cable transmission; A kind of Ethernet passive optical network unit and transmission method thereof that contains the power carrier module is provided; Power line carrier, PLC and Ethernet passive optical network are combined, in EPON ONU, integrate the power carrier module, utilize family's existing power cable to carry out the Ethernet data transmission; Use in the broadband that is very easy to the domestic consumer, has the convenience that in home network, inserts.
Summary of the invention
The invention provides a kind of Ethernet passive optical network device that contains the power carrier module, comprise Ethernet crosspoint, RJ-45 Ethernet interface and the power carrier module of optical transceiver, EPON ONU unit, multiport; In same ammeter scope, said device inserts the Internet through electric power cable with network access equipment; Wherein, optical transceiver is responsible for converting light signal into the signal of telecommunication, is light signal with electrical signal conversion perhaps.EPON ONU unit is to convert the PON frame into ethernet frame, perhaps converts ethernet frame into the PON frame.EPON ONU is responsible for forming ethernet frame in the unit, and carries out certain processing, and forms the PON frame, transfers to optical transceiver and sends.Said multiport Ethernet crosspoint is responsible for ethernet frame is exchanged, and ethernet frame is transferred to power carrier module and RJ-45 ethernet port, and perhaps the ethernet frame with power carrier module or the transmission of RJ-45 ethernet port converges.Said power carrier module is responsible for ethernet frame is carried out modulation through electric power cable.The RJ-45 ethernet port is the interface that is connected with 5 types of cables of standard, is connected with network access equipment through 5 types of cables of standard.
PON frame among the present invention is meant the Frame of the light carrier communication of in environment of passive optical network, transmitting.
Ethernet optical network apparatus of the present invention can also comprise telephony interface.
Among the present invention, after the power carrier module was carried out modulation with ethernet frame through electric power cable, ethernet frame directly transmitted on electric power cable through after the modulation, realized the data high-speed transmission on the electric power cable.
Ethernet optical network apparatus of the present invention can also be encapsulated in the terminal box.
" network access equipment " among the present invention is to comprise computer, and the IPTV STB has the game host of network insertion, has the multimedia TV set of network insertion etc.
The present invention also provides a kind of method for transmitting signals that contains the Ethernet optical network apparatus of power carrier module.In same ammeter scope; When using Ethernet passive optical network to insert; Its descending process comprises: the PON frame forms ethernet frame, direct or process exchange after receiving through EPON media interviews sublayer (abbreviation EPON MAC); Will be wherein one the tunnel or the multichannel ethernet frame through the power carrier module or through the RJ-45 ethernet port, send to network access equipment; Its up process comprises: network access equipment is connected to the RJ-45 ethernet port or after the electrification cat is inserted; Ethernet frame is sent to the power carrier module through electric power cable; Through exchange, deliver to EPON MAC, form the PON frame; Send to optical transceiver, transfer to the Ethernet passive optical network local side apparatus.
Among the present invention, " EPON MAC " is meant EPON media interviews sublayer, is used to form PON frame and delivery flow rate control etc.
Among the present invention, " Ethernet passive optical network local side apparatus " is meant the network equipment of access office of telecom operators, like EPON optical fiber cable termination equipment OLT, Ethernet switch, ethernet router etc.
Said process of the present invention realizes that data terminal is in same ammeter scope, and network access equipments such as computer are realized communicating access with the Ethernet passive optical network device through electric power cable.
" in the same ammeter scope " of the present invention refers to not cross between power cable ammeter.
" exchange " of the present invention is meant through the ethernet data frame switching technology of routine and carries out.
Among the present invention, power carrier is that transmission walks abreast with the netting twine of RJ-45 mouth, is a kind of expansion that inserts the Internet.
Among the present invention; EPON ONU and power carrier module merge on an integrated circuit board; Be encapsulated in the terminal box; Do not need outside special cables during use, only need Ethernet passive optical network device of the present invention be connected with power supply through the cable interface, can realize the network coverage to family electric power cable.Ethernet passive optical network device of the present invention has realized that electric power cable not only born power carrier but also born the combination of cable power supply function.
Among the present invention; Network access equipment (comprising any computer or other network equipments); Can insert home network through power carrier Ethernet modulator-demodulator (being commonly called as the electric power cat), and pass through EPON ONU unit accessing to wide band network, and can not receive the restriction of aspects such as house cable layout; Other computers through power carrier of itself and family etc. directly can mutual communication, also can with the interconnected communications such as computer that insert through the Ethernet category-5 cable.
At present on the power carrier Ethernet inserts, exist the front end to insert for the EPON system, but on the EPON ONU of family integrated PLC function, also on open source information, do not deliver.The device and the method for transmitting signals that can power line carrier, PLC and Ethernet passive optical network access unit be combined provided by the invention, the convenience that can bring home network to insert.Ethernet passive optical network device of the present invention is fused to EPON access unit function, Ethernet function of exchange and power carrier function in the entity hardware terminal, is user-friendly to.One of the present invention innovation is: insert extended power carrier wave on the basis at Ethernet passive optical network, make in the family any have socket that electric power inserts insert power carrier modem can accessing to wide band network.In addition, power carrier module and EPON ONU merge fully on an integrated circuit board, are encapsulated in the terminal box, and the cable plug is directly realized data carrier, and can supply power to whole unit.
Among the present invention; The power carrier module mainly adopts the INT55XX family chip of Atheros company; The main PMC PSA63XX series processors that adopts of EPON ONU part; The present invention mainly solves the equipment carrier wave and on a power line, realizes simultaneously with power supply, and can in EPON ONU remote side administration and local web-based management mode, can partly be configured and manage power carrier.
Innovation of the present invention and beneficial effect comprise, inserts extended power carrier wave on the basis at EPON ONU optical-fiber network, make in the family any have socket that electric power inserts insert power carrier modem can accessing to wide band network; Power carrier module and EPON ONU merge fully on an integrated circuit board, are encapsulated in the terminal box, and the cable plug is directly realized data carrier, and can give whole device power supply.
On technology realized, the present invention also overcame the certain situation of the defective of prior art, such as; The data exchange processing that equipment such as the exchange processing of Ethernet data and power carrier data and a plurality of computers insert through power carrier is because the exchange processing after adding power carrier, exists port number uncertain; Port connects the situation such as frequent of breaking off; Need on existing exchange treating method, add special port mac addresses forwarding table, be used for the forwarding that ethernet data frame is correct.
Description of drawings
Fig. 1 is the structural representation that the present invention contains the Ethernet passive optical network device of power carrier module;
Fig. 2 is the Ethernet passive optical network device and the outside sketch map that is connected that the present invention contains the power carrier module;
Fig. 3 is the interface sketch map that the present invention contains the Ethernet passive optical network device of power carrier module.
Embodiment
Come the further concrete the present invention of elaboration in conjunction with accompanying drawing and following examples, but the present invention is not limited to following examples.
The present invention contains the Ethernet passive optical network device of power carrier module, with reference to shown in Figure 1, comprises optical transceiver, EPON ONU unit, multiport Ethernet crosspoint, RJ-45 Ethernet interface, power carrier module and electric power cable.Wherein, optical transceiver is the mutual conversion of accomplishing between the light signal and the signal of telecommunication, can convert light signal into the signal of telecommunication, can be light signal with electrical signal conversion perhaps.EPON ONU unit is to convert the PON frame into ethernet frame, or ethernet frame is converted into the PON frame and transfers to the optical transceiver transmission.Multiport Ethernet crosspoint is that ethernet frame is exchanged, and ethernet frame is transferred to power carrier module and other ethernet ports respectively.Said multiport Ethernet crosspoint also can converge the ethernet frame of power carrier module or the transmission of RJ-45 ethernet port.The RJ-45 ethernet port is and 5 types of cable connecting interfaces of standard, is connected with computer through 5 types of cables of standard.RJ-45 ethernet port of the present invention also can be connected with other network access equipments.The RJ-45 ethernet port also can be changed to other ethernet ports.The power carrier module is that ethernet frame data is modulated or demodulation through electric power cable, realizes the data high-speed transmission on the electric power cable.
As shown in Figure 2,1 expression Ethernet passive optical network device of the present invention.Fig. 2 representes the sketch map that Ethernet passive optical network device of the present invention is connected with external equipment.Wherein, network access equipment is through connecting the electric power cable of electric power cat access network based on ethernet passive optical network device.Network access equipment also can insert the RJ-45 port through 5 types of cables of standard.Local side apparatus inserts Ethernet passive optical network device of the present invention through optical transceiver.Network access equipment is a computer among the present invention.Network access equipment can be the IPTV STB also, or has the game host of network insertion, or has the multimedia TV set of network insertion.
Ethernet passive optical network device of the present invention can be encapsulated in the terminal box, and as shown in Figure 3, the interface on the terminal box includes the power cable interface, RJ-45 Ethernet interface, monomode fiber interface, RJ-11 telephone line interface.On the terminal box each interface position or quantity etc. are set, all can be different and decide according to concrete condition.Ethernet passive optical network device of the present invention is connected with external equipment; With reference to shown in Figure 2; The optical transceiver interface is connected with Ethernet switch, and subscriber computer or other network access equipments can be connected with the RJ-45 Ethernet interface to insert the Internet through 5 types of cables of standard.The optical transceiver interface can also be connected with other Ethernet passive optical network local side apparatus such as EPON optical fiber cable termination equipment OLT or ethernet routers, and subscriber computer also can insert the Internet through electric power cable by the modulation of electric power cat again.
When the present invention uses, the cable interface on the terminal box is connected upward power supply; Subscriber computer is connected with the electric power cat, the electric power cat is connected into power supply; Be connected with the Ethernet optical network local side apparatus through the optical fiber interface on the terminal box, can accept the signal that optical fiber sends.The access the Internet links to each other with the cable interface.In the use, when the user inserts through power carrier, the RJ-45 mouth on the box that do not need to access terminal again.At this moment, electric power cable had both been born the cable power supply function, played the effect of accessing to wide band network again through power carrier, and subscriber computer inserts Internet.Ethernet passive optical network device of the present invention is in signals transmission; When in same ammeter scope, using Ethernet passive optical network to insert, its descending process is: the signal that optical transceiver obtains, descending PON frame; After EPON MAC reception; Form ethernet frame, direct or process exchange, wherein one or more ethernet frame is sent to network access equipment through power carrier module or RJ-45 ethernet port; Its up process is: network access equipment is connected to the RJ-45 ethernet port or after the electrification cat is inserted; Ethernet frame transmits through electric power cable and power carrier module; After direct or process exchanges, deliver to EPON MAC, form the PON frame; Send to optical transceiver, transfer to the Ethernet passive optical network local side apparatus.
Ethernet passive optical network device of the present invention, as shown in Figure 3, terminal box is provided with the RJ-11 telephone line interface, then subscriber phone or other communication apparatus is connected and inserts, and can converse.Can user's ordinary telephone set when connect inserting, also can insert the telecommunications public telephone network through the RJ-11 mouth at this terminal.
Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should belong to technological category of the present invention.
Claims (6)
1. an Ethernet passive optical network device that contains the power carrier module is characterized in that, said device comprises optical transceiver, EPON ONU unit, multiport Ethernet crosspoint, RJ-45 ethernet port and power carrier module; In same ammeter scope, said device inserts the Internet through electric power cable with network access equipment; Wherein, said optical transceiver is to convert light signal into the signal of telecommunication, is light signal with electrical signal conversion perhaps; Said EPON ONU unit is to convert the PON frame into ethernet frame, perhaps converts ethernet frame into the PON frame; Said multiport Ethernet crosspoint is that ethernet frame is exchanged, and ethernet frame is transferred to power carrier module and RJ-45 ethernet port respectively, and perhaps the ethernet frame with power carrier module or the transmission of RJ-45 ethernet port converges; Said power carrier module is that ethernet frame is carried out modulation through electric power cable; Said RJ-45 ethernet port is the interface that is connected with 5 types of cables of standard, is connected with network access equipment through 5 types of cables of standard; Wherein, said in same ammeter scope, being meant do not crossed over ammeter between power cable.
2. Ethernet passive optical network device as claimed in claim 1 is characterized in that, also comprises telephony interface.
3. Ethernet passive optical network device as claimed in claim 1 is characterized in that, said ethernet frame directly transmits on electric power cable through after the modulation.
4. Ethernet passive optical network device as claimed in claim 1 is characterized in that said device is encapsulated in the terminal box.
5. Ethernet passive optical network device as claimed in claim 1 is characterized in that said network access equipment comprises computer, and the IPTV STB has the game host of network insertion, has the multimedia TV set of network insertion.
6. a method for transmitting signals that is used for the said Ethernet passive optical network device of claim 1 is characterized in that, when in same ammeter scope, using Ethernet passive optical network to insert; Its descending process is: the signal that optical transceiver obtains; Descending PON frame after the reception of EPON ONU unit, forms ethernet frame; Through exchange, wherein one or more ethernet frame is sent to network access equipment through power carrier module or RJ-45 ethernet port by multiport Ethernet crosspoint; Its up process is: network access equipment is connected to the RJ-45 ethernet port or after the electrification cat is inserted; Ethernet frame transmits through electric power cable and power carrier module; Multiport Ethernet crosspoint converges said ethernet frame, delivers to EPON ONU unit, forms the PON frame; Send to optical transceiver, transfer to the Ethernet passive optical network local side apparatus; Wherein, said power carrier module is carried out modulation with ethernet frame through electric power cable; Said in same ammeter scope, being meant do not crossed over ammeter between power cable.
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| CN201010608766XA CN102082714B (en) | 2010-12-28 | 2010-12-28 | An Ethernet passive optical network device containing a power carrier module and a signal transmission method thereof |
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| CN201010608766XA CN102082714B (en) | 2010-12-28 | 2010-12-28 | An Ethernet passive optical network device containing a power carrier module and a signal transmission method thereof |
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| CN102082714B true CN102082714B (en) | 2012-10-31 |
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| CN103187989B (en) * | 2011-12-29 | 2016-01-27 | 中国移动通信集团广东有限公司 | To register one's residence powerline adapters and based on the communication system of power line and method |
| CN102546328B (en) * | 2011-12-30 | 2015-04-22 | 重庆市电力公司电力科学研究院 | Industrial terminal equipment supporting hybrid networking |
| CN103001779B (en) * | 2012-09-29 | 2015-07-01 | 吉视传媒股份有限公司 | Data receiving terminal in network data transmission system |
| US9307302B2 (en) * | 2012-11-12 | 2016-04-05 | Marvell World Trade Ltd. | Passive optical network switch |
| CN103222250A (en) * | 2012-11-29 | 2013-07-24 | 华为技术有限公司 | Boardband accessing method, apparatus and system |
| CN114826328B (en) * | 2022-03-15 | 2024-03-29 | 宝信软件(武汉)有限公司 | Piping lane communication system and method based on power carrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1845552A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Power line mode broadband access terminal device and its communication method |
| CN201571077U (en) * | 2009-12-28 | 2010-09-01 | 江苏省电力公司苏州供电公司 | Home smart appliances and their network management system |
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| US20080279199A1 (en) * | 2005-11-29 | 2008-11-13 | Dong Young Park | Power Line Communication System and Communication Device Used in the System |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1845552A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Power line mode broadband access terminal device and its communication method |
| CN201571077U (en) * | 2009-12-28 | 2010-09-01 | 江苏省电力公司苏州供电公司 | Home smart appliances and their network management system |
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