CN101026420B - Method and system for solving FTTP safety problem - Google Patents
Method and system for solving FTTP safety problem Download PDFInfo
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- CN101026420B CN101026420B CN2007100007161A CN200710000716A CN101026420B CN 101026420 B CN101026420 B CN 101026420B CN 2007100007161 A CN2007100007161 A CN 2007100007161A CN 200710000716 A CN200710000716 A CN 200710000716A CN 101026420 B CN101026420 B CN 101026420B
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Abstract
The method sets up light node solely. Through cable, light node is connected to terminal optical fiber access device (TOFAD). Receiving sent light signal, light node converts light signal to electric signal sent to TOFAD. TOFAD carries out protocol conversion for the received electric signal, and sends it out. TOFAD carries out protocol conversion for received sent signal, and sends the converted electric signal to light node. Light node converts the received electric signal to light signal, and sends it out. Electric signal, not light signal is transferred between light node and TOFAD so as to guarantee safety problem for optical fiber to enter house. The invention reduces cost of terminal system for optical fiber of entering house greatly. Separation between optical module and TOFAD makes engineering installation and maintenance more convenient.
Description
Technical field
The present invention relates to the optical fiber access technology, particularly a kind of method and system that solves FTTP safety problem.
Background technology
At present, global backbone network is fiberize fully, and the appearance of dense wave division multipurpose (DWDM, DenseWavelength Division Multiplexing) is an important milestone of optical fiber transmission technique development.The DWDM technology has promoted transmission bandwidth effectively.The optical fibre for metropolitan area network rate of growth increases very fastly, closeness is near saturated, the bandwidth of every wavelength is about 2.5G-10Gbps, and the ethernet speed main flow of local area network (LAN) occupation rate first has tromped to the 1Gbps of Optical Fiber Transmission from 100Mbps, from the overall network angle, only between the access network speed of metropolitan area network and local area network (LAN) still in 1,000,000 (Mega) grade of digital user loop (DSL, Digital Subscriber Loop), Access Network is a bandwidth bottleneck maximum on the present network.
Optical fiber inserts and to be meant between local side and the user fully with optical fiber as transmission medium, from local side fiber access device (OLT, Optical Line Terminal) optical fiber that forms of the circuit in the middle of the terminal fiber access device to the Access Network can be divided into: Fiber To The Curb (FTTC, Fiber To The Curb), Fiber-To-The-Building (Fiber To The Building), and Fiber to the home service modes such as (Fiber To The Home), be referred to as FTTx, its last in rear end continuity will be connected to client device by twisted-pair feeder with the terminal fiber access device.Wherein, described terminal fiber access device can be: optical fiber access unit (ONU, Optical Network Unit) or fiber access terminal (ONT, Optical NetworkTerminal).
The FTTx networking structure as shown in Figure 1, EPON (PON, Passive Optical Network) connecting system mainly is made up of OLT101 and terminal fiber access device 103, OLT101 is the optical line terminal of Access Network, for Access Network provides the interface between network side and the metropolitan area network (NNI); Terminal fiber access device 103 is ONT or ONU, and the interface (UNI) of user side is provided for Access Network.OLT101 links to each other by the passive light distribution network with terminal fiber access device 103, is connected two kinds of equipment with optical splitter 102 by optical fiber in the passive light distribution network.Terminal fiber access device 103 links to each other with client device 104 by various interface, and described client device 104 can be set-top box, computer, plain old telephone, IP phone etc.The descending light signal of OLT101 sends to terminal fiber access device 103 by optical splitter 102, and terminal fiber access device 103 uplink optical signal converge by optical splitter and send to OLT101.
Wherein, the FTTH technology comprises medium converter (MC, Media Converter) and two technology of PON.MC adopts the network topology mode of point-to-point (P2P, Point to Point), has replaced the employed copper cash of traditional ethernet, and the service of 100Mbps is sent in the user family by optical fiber, and its Technical Architecture is fairly simple, cheap.PON adopts point-to-multipoint (P2MP, Point to Multi-Point) framework, mainly will pass through an optical fiber via the optical branching device passive device from the descending light signal of OLT, be broadcast to each ONU/ONT along separate routes, reduce the cost of network computer room and plant maintenance significantly, more save construction costs such as a large amount of cable resources, thereby become the up-to-date hot technology of FTTH.
The 26S Proteasome Structure and Function of terminal fiber access device ONU and ONT is basic identical, and difference is that ONT is located immediately at client, and also has other networks between ONU and the user, as Ethernet.
The major function of terminal fiber access device is receiving optical signals and is converted into the form that the user needs, as Ethernet, ip multicast, Plain Old Telephone Service (POTS, Plain Old Telephony Service) etc.Fig. 2 is the composition structural representation of terminal fiber access device, and as shown in Figure 2, it mainly comprises: optical module 201 and control module 202.
The terminal project installation mode of present terminal fiber access device adopts the tail optical fiber access way substantially, as shown in Figure 3, fix a tail optical fiber panel 302 on the wall, be connected to an end of tail optical fiber panel 302 from the Drop cable of OLT 301, the other end of tail optical fiber panel 302 is connected to the terminal fiber access device by tail optical fiber.Tail optical fiber panel 302 is fixed on the metope of subscriber household generally speaking, and the tail optical fiber that tail optical fiber panel 302 links to each other with terminal fiber access device 303 is in the inside of wall.
But this tail optical fiber access way is often brought potential safety hazard, when the user pulls up the plug of connecting terminal fiber access device on the tail optical fiber panel, derive from descending OLT to the light signal that terminal fiber access device direction sends, perhaps derive from up terminal fiber access device and can cause serious injury human eye to the light signal that the OLT direction sends.In order to address this problem, Britain BT telecom operators have proposed to carry out the fixing mounting means of optical fiber and have solved the security protection problem on the terminal fiber access device of registering one's residence at present.This optical fiber fixed form is: the tail optical fiber panel is fixed by anchor clamps, after tail optical fiber panel and terminal fiber access device install and finish, install a protective cover in the outside of tail optical fiber panel and terminal fiber access device, make the junction of terminal fiber access device and terminal fiber access device can not be exposed to the outside of protective cover, solve the security protection problem with this.
But this fixing mounting means of optical fiber that carries out on the terminal fiber access device of registering one's residence has caused the infrastructure cost of terminal fiber access device to increase, tail optical fiber also needs to adopt the material that pliability is good, intensity is high, barrier propterty is good, so just makes that the register one's residence cost of terminal system of optical fiber is very high.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method that solves FTTP safety problem, so that reduce the register one's residence cost of terminal system of optical fiber effectively.
The embodiment of the invention also provides a kind of system that solves FTTP safety problem, so that reduce the register one's residence cost of terminal system of optical fiber effectively.
The embodiment of the invention also provides a kind of terminal fiber access device, so that reduce the register one's residence cost of terminal system of optical fiber effectively.
In order to realize above-mentioned first purpose, the embodiment of the invention provides a kind of method that solves FTTP safety problem, and this method is applied to comprise the system of optical node and terminal fiber access device, wherein, optical node is provided with separately, and is connected with described terminal fiber access device by cable; Optical node comprises the optical module and first wire and cable connector, and the terminal fiber access device comprises second wire and cable connector and control module; This method is: the optical module in the optical node is converted to first wire and cable connector that sends to behind the signal of telecommunication in the optical node with the light signal that receives, and first wire and cable connector in the optical node sends to the terminal fiber access device with the signal of telecommunication by cable; Described terminal fiber access device receives the signal of telecommunication that described optical node sends by cable, and this signal of telecommunication is sent to control module; Described control module is to send to client device after the encapsulated data packet of Ethernet with the electrical signal conversion that receives;
After the encapsulated data packet of the Ethernet that the control module in the described terminal fiber access device is sent client device is converted to the signal of telecommunication, send to second wire and cable connector of terminal fiber access device; The signal of telecommunication that second wire and cable connector of terminal fiber access device sends control module sends to described optical node by cable; First wire and cable connector in the described optical node receives the signal of telecommunication that described terminal fiber access device sends, and sends to described optical module; Described optical module is to send behind the light signal with the electrical signal conversion that receives; The plug that wherein connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of OLT to looking, described cable is coaxial cable or twisted-pair feeder.
In order to realize above-mentioned second purpose, the embodiment of the invention provides a kind of system that solves FTTP safety problem, and this system comprises: optical node and terminal fiber access device; Described optical node is provided with separately, and is connected with described terminal fiber access device by cable;
Wherein, described optical node comprises: optical module, be used for receiving optical signals, and light signal is converted to first wire and cable connector that sends to behind the signal of telecommunication in the optical node; Receiving the signal of telecommunication that first wire and cable connector sends in the optical node, is to send behind the light signal with electrical signal conversion;
First wire and cable connector is used to connect described cable, and the signal of telecommunication that described optical module is sent sends to described terminal fiber access device by cable; Receive the signal of telecommunication that described terminal fiber access device sends by described cable, send to described optical module;
Described terminal fiber access device comprises:
Second wire and cable connector is used to connect described cable, and described optical node is sent to control module by the signal of telecommunication that cable sends; Receive the signal of telecommunication that control module is sent, send to described optical node by described cable;
Control module is used for the signal of telecommunication that second wire and cable connector of receiving terminal fiber access device sends, and with electrical signal conversion is to send to client device after the encapsulated data packet of Ethernet; The encapsulated data packet of the Ethernet that client device is sent is converted to second wire and cable connector that sends to the terminal fiber access device behind the signal of telecommunication; Wherein, the plug that connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of OLT to looking, described cable is coaxial cable or twisted-pair feeder.
The embodiment of the invention provides a kind of terminal fiber access device, and optical node is provided with separately, and is connected with described terminal fiber access device by cable; This terminal fiber access device comprises: wire and cable connector and control module;
Described wire and cable connector is used to connect External cable, and the signal of telecommunication that optical node is sent sends to described control module; Receive the signal of telecommunication that described control module is sent, send to described optical node;
Described control module receives the signal of telecommunication that described wire and cable connector sends, and with electrical signal conversion is to send to client device after the encapsulated data packet of Ethernet; After being converted to the signal of telecommunication, the encapsulated data packet of the Ethernet that client device is sent sends to described wire and cable connector; Wherein, the plug that connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of OLT to looking, described cable is coaxial cable or twisted-pair feeder.
As can be seen from the above technical solutions, in embodiments of the present invention, because what transmit between terminal fiber access device and the optical node is the signal of telecommunication rather than light signal, so guaranteed the safety problem that optical fiber is registered one's residence.Because the terminal fiber access device does not comprise the cost that optical node greatly reduces the terminal fiber access device, optical module is independent from the terminal fiber access device, can produce the cost that has reduced optical module on a large scale to optical module separately; And, connect by existing cable between terminal fiber access device and the optical node, reduced rewiring transformation, and connect with respect to optical fiber of the prior art to the existing circuit in room, reduced the project installation expense, reduced the register one's residence cost of terminal system of optical fiber significantly with this.
Description of drawings
Fig. 1 is a FTTx networking structure schematic diagram;
Fig. 2 is the composition structural representation of terminal fiber access device in the prior art;
Fig. 3 is a terminal fiber access device terminal tail optical fiber access way schematic diagram in the prior art;
The system configuration schematic diagram of the solution FTTP safety problem that Fig. 4 provides for the embodiment of the invention;
The structure chart of the passive light node that Fig. 5 .a provides for the embodiment of the invention;
The structure chart of the active optical node that Fig. 5 .b provides for the embodiment of the invention;
The system construction drawing of the use passive light node that Fig. 6 .a provides for the embodiment of the invention;
The system construction drawing of the active optical node of use that Fig. 6 .b provides for the embodiment of the invention;
The method flow diagram of the solution FTTP safety problem that Fig. 7 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage are clearer, the present invention are done describing in detail below in conjunction with specific embodiment.
The core concept of the embodiment of the invention is: optical node sends to the terminal fiber access device by cable after the light signal that receives is converted to the signal of telecommunication, and the terminal fiber access device carries out the signal of telecommunication that receives to send after the protocol conversion; The terminal fiber access device carries out protocol conversion to the received signal, sends to optical node by cable after being converted to the signal of telecommunication, and optical node sends after the electrical signal conversion that receives is light signal.
At first the system to solution FTTP safety problem provided by the present invention describes in detail, and as shown in Figure 4, this system mainly is made up of optical node 401 and terminal fiber access device 402.Optical node 401 is provided with separately, and is connected with described terminal fiber access device by cable.
Optical node 401: receive the light signal that sends from the NNI side, light signal is converted to the signal of telecommunication, send to terminal fiber access device 402 then; The signal of telecommunication that receives self terminal fiber access device 402 to send is a light signal with electrical signal conversion, sends.
Terminal fiber access device 402: receive the signal of telecommunication that optical node 401 sends, carry out protocol conversion after, send; The signal that reception is sent from the UNI side carries out protocol conversion, is that the signal of telecommunication sends to optical node 401 with the conversion of signals that receives.
Described optical node 401 can receive the light signal that the OLT from the NNI side sends, and after electrical signal conversion is light signal, sends to the OLT of NNI side; Described terminal fiber access device 402 can be to send to client device behind the signal of the form that needs of UNI side client with electrical signal conversion, and receives the signal that UNI side client device sends, and carries out protocol conversion.
Wherein, described optical node can be arranged to the multiple product form according to the project installation needs, for example, can be arranged to wall embedded type panel or boxlike autonomous device.
Described terminal fiber access device can be ONU or ONT.
At this moment, because what transmit between optical node and the terminal fiber access device is the signal of telecommunication, rather than light signal, so, when the user pulled up the plug of connecting terminal fiber access device, the light signal that the user can't be directly sends with descending OLT was to looking, again because the signal that this moment, up terminal fiber access device sent is not a light signal, can not damage, so solved the safety problem that optical fiber is registered one's residence human eye.
Be connected by cable between optical node and the terminal fiber access device and carry out signal communication, replaced in the tail optical fiber access way of prior art, the tail optical fiber panel is connected with optical fiber between the terminal fiber access device, reduce the cost of connecting line greatly, and make that also pliability and barrier propterty are higher, can move and layout equipment easily.
Described cable can be cable, twisted-pair feeder and coaxial cable etc.
Respectively the structure of optical node 401 and terminal fiber access device 402 is described below.Optical node can be passive light node or active optical node.When optical node was the passive light node, its structure mainly comprised shown in Fig. 5 .a: optical module 501 and wire and cable connector 502,
Wherein, optical module 501: receive the light signal that sends from NNI side OLT, light signal is converted to the signal of telecommunication, send to wire and cable connector 502 then; The signal of telecommunication that reception is sent from wire and cable connector 502 is a light signal with electrical signal conversion, sends;
Wire and cable connector 502: be used for connecting External cable, the signal of telecommunication that optical module 501 is sent sends by cable; Reception sends to optical module 501 by the signal of telecommunication that cable sends.
Further, optical module 501 also is used for power supply energy in the receiving cable connector 502, and wire and cable connector 502 also is used for receiving the power supply energy that send the outside, sends to optical module 501.
Generally speaking, optical module needs the power supply power supply just can carry out work, and described power supply energy can send by outside autonomous device, also can be that the terminal fiber access device sends.
When optical node was active optical node, its structure was shown in Fig. 5 .b, and comparing with the passive light node has increased power module 503, is used for sending power supply energies to optical module 501 optical module 501 is powered.
System configuration when optical node is the passive light node is shown in Fig. 6 .a, and optical node 401 is the passive light node, and terminal fiber access device 402 mainly comprises: wire and cable connector 601, and control module 602.
Wherein, wire and cable connector 601 is used to connect External cable, and the signal of telecommunication that optical node 401 is sent sends to control module 602; Receive the signal of telecommunication that control module 602 is sent, send to optical node 401;
Described control module 602 can be the various chips of supporting that optical fiber inserts, for example: media interviews control (MAC, Media Access Control) chip of supporting BPON, EPON or GPON.For example in Ethernet passive optical network (Ethernet Passive Optical Network), control module 602 is carried out protocol conversion, is the encapsulated data packet of Ethernet with electrical signal conversion, and perhaps the encapsulated data packet with Ethernet is converted to the signal of telecommunication.
In the UNI side, the terminal fiber access device can insert client rs PC, set-top box equipment such as (STB, Set Top Box) by switching equipment such as for example Lanswitch.
Further, this system can also comprise power module 610, is connected to wire and cable connector 502 by cable, sends power supply energy by wire and cable connector 502 to optical module 501, and optical module 501 is powered.
More preferably, this system does not comprise power module 610, and terminal fiber access device 402 further comprises power module 603, sends power supply energy to optical module 501 by wire and cable connector 602 and 502, and optical module 501 is powered.
The above-mentioned system that comprises power module 610 or power module 603, the both two-way transmission signal of telecommunication comes Data transmission between wire and cable connector 502 in the optical node 401 and the optical module 501, and the one-way transmission power supply energy is powered again.
Described power module can provide the equipment of power supply energy for any one, for example, can be battery, or can extract the device of powering of civil power.
When optical node is active optical node, shown in Fig. 6 .b, do not comprise power module in the terminal fiber access device 402, itself comprise power module 503 in the active optical node 401, power module 503 connects optical module 501, and transmits power supply energy to optical module 501 it is powered.
The above-mentioned system that comprises active optical node, the only two-way transmission signal of telecommunication comes Data transmission between wire and cable connector 502 in the optical node 401 and the optical module 501.
Method to solution FTTP safety problem provided by the invention describes below.This method is: optical node is set separately, and with optical node by cable connecting terminal fiber access device, optical node sends to the terminal fiber access device after the light signal that receives is converted to the signal of telecommunication, after the terminal fiber access device carries out protocol conversion with the signal of telecommunication that receives, the signal after the conversion is sent; The terminal fiber access device carries out protocol conversion to the received signal, be converted to the signal of telecommunication after, send to optical node, optical node sends after the electrical signal conversion that receives is light signal.
Wherein, described optical node can receive the light signal that sends from OLT, and after the electrical signal conversion that receives is light signal, sends to OLT; Described terminal fiber access device can send to client device with the signal after the conversion, and receives the signal that client device sends, and carries out protocol conversion.
Be example with the system that comprises passive bus that the embodiment of the invention was provided below, the method embodiment that solves FTTP safety problem is done detailed argumentation.As shown in Figure 7, this method comprises:
Step 701: optical node and terminal fiber access device are set.
Wherein, the terminal fiber access device is not for comprising the terminal fiber access device of optical module; Optical node can be the device with the independent setting of optical module of terminal fiber access device in the prior art.
Step 702: connect optical node and terminal fiber access device by cable.
In this step, can in optical node and terminal fiber access device, wire and cable connector be set, connect optical node and terminal fiber access device by cable.Be used for the signal transmission between following steps optical module and the terminal fiber access device, and power supply energy transmission between power module and the optical module.
Described cable can be cable, twisted-pair feeder or coaxial cable etc.
Step 703: the electric power source pair of module optical module is set powers.
Power module can be set to independently power-supply device and the optical node wire and cable connector by optical node and links to each other and directly optical module is powered in this step, also power module can be arranged in the terminal fiber access device, the optical module in the optical node be powered by the wire and cable connector of terminal fiber access device and the wire and cable connector of optical node.
Described power module can provide the device of power supply energy for any one, for example, can be battery, perhaps can extract the device that civil power is powered.
At this moment, power module preferably is no more than 24V by the supply power voltage of cable power supply.
Step 704: optical node receives the light signal that OLT sends, and sends to the terminal fiber access device after light signal is converted to the signal of telecommunication, and the terminal fiber access device carries out protocol conversion with the signal of telecommunication that receives, and the signal after the conversion is sent to client device; The terminal fiber access device carries out protocol conversion after receiving the signal that client device sends, be converted to the signal of telecommunication after, send to optical node, optical node sends to OLT after the electrical signal conversion that receives is light signal.
Described protocol conversion is for being the signal form that client device needs with electrical signal conversion, or will be converted to the signal of telecommunication from the signal form that client device sends.For example, in Ethernet passive optical network, carry out protocol conversion for being the encapsulated data packet of Ethernet with electrical signal conversion, perhaps the encapsulated data packet with Ethernet is converted to the signal of telecommunication.
At this moment, the signal that carries out between optical node and the terminal fiber access device no longer is light signal alternately, but the signal of telecommunication.When the user pulls up the plug of connecting terminal fiber access device, the light signal that the user can't be directly sends with descending OLT is to looking, because the signal that this moment, up terminal fiber access device sent is not a light signal, can not damage, again so solved the safety problem that optical fiber is registered one's residence to human eye.
When optical node is set to active optical node, identical substantially with top embodiment step, just power module is arranged on optical node inside, forms active optical node jointly with optical module, wire and cable connector, power module links to each other with optical module, directly optical module is powered.
As seen from the above,, greatly reduce the equipment cost of terminal fiber access device, and can produce the cost that has reduced optical module on a large scale independent optical module because optical module is independent from the terminal fiber access device; And, connect by existing cable between terminal fiber access device and the optical node, reduced rewiring transformation, and connect with respect to optical fiber of the prior art to the existing circuit in room, reduced the project installation expense, reduced the register one's residence cost of terminal system of optical fiber significantly with this.
Further, optical node can be replaced separately, keep in repair, and do not need to change the terminal fiber access device, perhaps the terminal fiber access device can be replaced separately, keep in repair, and do not need to change optical node, thereby make that also project installation and maintenance are more simple and convenient, also improved the maintainability of equipment.
Further, optical node is independent from the terminal fiber access device, can be arranged to the multiple product form according to the needs of project installation.
Further,, but have better pliability and protective because be connected by cable between optical node and the terminal fiber access device, thus can make things convenient for the user to carry out layout better, and the moving of more convenient terminal fiber access device; Also make the terminal fiber access device to dock with the optical module of different vendor, and needn't be as in the prior art, optical module has reduced the limitation of installation and maintenance at the inner necessary supporting optical module that adopts of terminal fiber access device.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made, is equal to replacement and improvement etc. within the present invention spirit and principle scope, all should be included within protection scope of the present invention.
Claims (10)
1. a system that solves FTTP safety problem is characterized in that, this system comprises: optical node and terminal fiber access device; Described optical node is provided with separately, and is connected with described terminal fiber access device by cable;
Wherein, described optical node comprises:
Optical module is used for receiving optical signals, light signal is converted to first wire and cable connector that sends to behind the signal of telecommunication in the optical node; Receiving the signal of telecommunication that first wire and cable connector sends in the optical node, is to send behind the light signal with electrical signal conversion;
First wire and cable connector is used to connect described cable, and the signal of telecommunication that described optical module is sent sends to described terminal fiber access device by cable; Receive the signal of telecommunication that described terminal fiber access device sends by described cable, send to described optical module;
Described terminal fiber access device comprises:
Second wire and cable connector is used to connect described cable, and described optical node is sent to control module by the signal of telecommunication that cable sends; Receive the signal of telecommunication that control module is sent, send to described optical node by described cable;
Control module is used for the signal of telecommunication that second wire and cable connector of receiving terminal fiber access device sends, and with electrical signal conversion is to send to client device after the encapsulated data packet of Ethernet; The encapsulated data packet of the Ethernet that client device is sent is converted to second wire and cable connector that sends to the terminal fiber access device behind the signal of telecommunication;
Wherein, the plug that connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of descending local side fiber access device OLT to looking, described cable is coaxial cable or twisted-pair feeder.
2. system according to claim 1 is characterized in that, described terminal fiber access device is optical fiber access unit ONU or fiber access terminal ONT.
3. system according to claim 1 is characterized in that this system further comprises power module;
Described power module is connected to first wire and cable connector in the described optical node by cable, by described first wire and cable connector described optical module is transmitted power supply energy.
4. system according to claim 1 is characterized in that, described optical node further comprises: power module, connect described optical module, and be used for transmitting power supply energy to described optical module.
5. system according to claim 1, it is characterized in that, described terminal fiber access device further comprises: power module is used for transmitting power supply energy by second wire and cable connector and first wire and cable connector in the described optical node of described terminal fiber access device to described optical module.
6. a terminal fiber access device is characterized in that optical node is provided with separately, and is connected with described terminal fiber access device by cable; This terminal fiber access device comprises: wire and cable connector and control module;
Described wire and cable connector is used to connect External cable, and the signal of telecommunication that optical node is sent sends to described control module; Receive the signal of telecommunication that described control module is sent, send to described optical node;
Described control module receives the signal of telecommunication that described wire and cable connector sends, and with electrical signal conversion is to send to client device after the encapsulated data packet of Ethernet; After being converted to the signal of telecommunication, the encapsulated data packet of the Ethernet that client device is sent sends to described wire and cable connector;
Wherein, the plug that connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of descending OLT to looking, described cable is coaxial cable or twisted-pair feeder.
7. terminal fiber access device according to claim 6 is characterized in that, this terminal fiber access device further comprises: power module;
Described power module transmits power supply energy and gives described wire and cable connector;
Described wire and cable connector sends out power supply energy.
8. terminal fiber access device according to claim 6 is characterized in that, the media interviews control MAC chip that described control module inserts for supporting optical fiber.
9. a method that solves FTTP safety problem is characterized in that, this method is applied to comprise the system of optical node and terminal fiber access device, and wherein, optical node is provided with separately, and is connected with described terminal fiber access device by cable; Optical node comprises the optical module and first wire and cable connector, and the terminal fiber access device comprises second wire and cable connector and control module;
Optical module in the optical node is converted to first wire and cable connector that sends to behind the signal of telecommunication in the optical node with the light signal that receives, and first wire and cable connector in the optical node sends to the terminal fiber access device with the signal of telecommunication by cable; Described terminal fiber access device receives the signal of telecommunication that described optical node sends by cable, and this signal of telecommunication is sent to control module; Described control module is to send to client device after the encapsulated data packet of Ethernet with the electrical signal conversion that receives;
After the encapsulated data packet of the Ethernet that the control module in the described terminal fiber access device is sent client device is converted to the signal of telecommunication, send to second wire and cable connector of terminal fiber access device; The signal of telecommunication that second wire and cable connector of terminal fiber access device sends control module sends to described optical node by cable; First wire and cable connector in the described optical node receives the signal of telecommunication that described terminal fiber access device sends, and sends to described optical module; Described optical module is to send behind the light signal with the electrical signal conversion that receives;
Wherein, the plug that connects described terminal fiber access device plugs for the user, the user pull up behind this plug can't be directly and the light signal that sends of descending local side fiber access device OLT to looking, described cable is coaxial cable or twisted-pair feeder.
10. method according to claim 9, it is characterized in that, described optical node inside is provided with power supply self is powered, and in the perhaps described terminal fiber access device power supply is set and by cable described optical node is powered, and perhaps external power supply is powered to described optical node.
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| CN2007100007161A CN101026420B (en) | 2007-01-10 | 2007-01-10 | Method and system for solving FTTP safety problem |
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| CN2007100007161A CN101026420B (en) | 2007-01-10 | 2007-01-10 | Method and system for solving FTTP safety problem |
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| CN101026420A CN101026420A (en) | 2007-08-29 |
| CN101026420B true CN101026420B (en) | 2010-07-21 |
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| CN105577288B (en) * | 2015-12-12 | 2017-12-15 | 浙江环顺网络科技有限公司 | Double socket FTTH terminals and its module replacing method |
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2007
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741433A (en) * | 2004-08-28 | 2006-03-01 | 三星电子株式会社 | Use the Optical Access Network and the EPON of wavelength division method |
| CN2786873Y (en) * | 2004-11-26 | 2006-06-07 | 深圳市飞通宽带技术有限公司 | Kilomega fiber transceiver |
| CN1863013A (en) * | 2005-12-28 | 2006-11-15 | 华为技术有限公司 | Network terminal apparatus in passive light network and data processing method thereof |
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| CN101026420A (en) | 2007-08-29 |
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