CN1866958B - Method and system for making optical network terminal support multi-protocol - Google Patents
Method and system for making optical network terminal support multi-protocol Download PDFInfo
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Abstract
The invention relates to a method for making optical network terminal support multi protocols, and relative system. Wherein, said method comprises: the optical network terminal processes protocol reorganization on received data signal; according to recognized protocol type, processing relative protocol selection and distribution on the optical network terminal, to make it able to receive the data signals with different protocol types. Said system comprises: a protocol recognize module, a protocol setting module, a data processing module, and a data sending module. The invention can simplify the structure of optical network terminal and reduce the terminal number.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the method and system that make optical network terminal support multi protocol.
Background technology
EPON (PON) technology is a kind of Optical Fiber Transmission and access technology of point-to-multipoint; Descending employing broadcast mode, up employing time division multiple access way; Can form topological structures such as tree type, star-like, bus-type neatly, not need node device, only need to install a simple passive optical splitter at optical branch point; No longer through amplifying and regeneration, realize by the branch route optical branching device of network in transmission course for light signal.
Mainly there is BPON (BPON) in present EPON (PON) technology, Ethernet passive optical network (EPON), gigabit transmission EPON GPON, Wave division multiplexing passive optical network implementation methods such as (WDM-PON).Perhaps being employed in optical line terminal (OLT) and optical network unit (ONU) or ONT Optical Network Terminal (ONT) in these implementation methods uses optical processor to carry out data transmission or reception; Perhaps adopt different wave length to carry out the wavelength division multiplexing transmission, to obtain to the timely transmission of data and effectively reception.
The basic comprising of PON network comprises OLT, ODN, ONU or ONT.Wherein the effect of OLT is equivalent to server end, and ONU or ONT are equivalent to client, and ODN is the passive fiber transmission medium.
BPON, EPON, GPON, WDM-PON network comprise the EPON that optical fiber inserts, and it is made up of the terminal equipment and the multifiber of a local side apparatus, optical branching device, a plurality of far-ends.Between local side apparatus and optical branching device, connect, form the trunk roads of optical fiber through an optical fiber.Splitter adopts multifiber to be connected with a plurality of distance terminal equipment.
The transmission rate of BPON is up 155Mbps, and descending 155Mbps or 622Mbps are a kind of EPON transmission based on ATM cell.
The transmission rate of EPON is up 125Mbps, and descending 1.25Gbps is a kind of EPON transmission based on Ethernet.
GPON is the EPON that the gigabit transmittability is arranged, and takes into account the transmission of ATM cell and packet.
Present implementation is OLT, ONU and the ONT that various PON technology have and use oneself respectively, and the equipment that belongs to different PON technology is independently of one another between mutually, can not be compatible.Every kind of PON must use can discern the ONT of self procotol, and causing needs manufacture and design different equipment to various network, can't use same equipment to receive the signal from different type network, and resource utilization is low, and equipment control is numerous and diverse.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the present invention will realize the signal that the network-termination device support is transmitted with the various protocols type.
The objective of the invention is to realize through following technical scheme:
A kind of method that makes optical network terminal support multi protocol comprises:
ONT Optical Network Terminal carries out passive optical network protocol identification to the data-signal that receives;
According to the protocol type that recognizes ONT Optical Network Terminal is carried out corresponding protocol selection and configuration, make ONT Optical Network Terminal realize support multiple EPON; The selection and the configuration of said agreement comprise: the passive optical network protocol code is not stored in the agreement memory device of ONT Optical Network Terminal in advance; ONT Optical Network Terminal is downloaded the corresponding passive optical network protocol code from optical line terminal; Wherein, the corresponding passive optical network protocol code is downloaded to ONT Optical Network Terminal by optical line terminal according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal.。
Described agreement identification comprises:
The testing circuit of ONT Optical Network Terminal detects the data characteristics of the Frame of optical line terminal downlink transfer, exports the different protocol identifier to identification that the agreement identification control unit carries out agreement according to the sign difference of Frame.
The type of described agreement identification comprises: BPON, Gigabit-capable Passive Optical Network or ethernet passive optical network.
Using the optical processor of compatible friction speed to carry out data at transmitting terminal sends.
Carry out to received signal earlier signal being recovered before the agreement identification, described signal recovers to comprise that signal data recovers and signal time recovers.
A kind ofly make the system of optical network terminal support multi protocol, comprising:
The agreement identification module is used for the data flow of received signal is carried out multiple passive optical network protocol Frame and line scanning detection, judges the protocol type of this data flow;
The protocol configuration module; Being used for according to the protocol type that identifies is the data processing module configuration protocol; Wherein, Passive optical network protocol code in the agreement is not stored in the agreement memory device of ONT Optical Network Terminal in advance, is downloaded to ONT Optical Network Terminal to the corresponding passive optical network protocol code through optical line terminal according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal.。
Wherein, said agreement identification module comprises:
BPON recognin module is used for being identified in the protocol type of BPON data signals transmitted;
Gigabit-capable Passive Optical Network recognin module is used for being identified in the protocol type of Gigabit-capable Passive Optical Network data signals transmitted;
Ethernet passive optical network recognin module is used for being identified in the protocol type of ethernet passive optical network data signals transmitted.
Wherein, said protocol configuration module comprises:
Protocol code download configuration submodule: control optical line terminal; Make it according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal; Be downloaded to ONT Optical Network Terminal to the corresponding passive optical network protocol code, use this to have no chance the optical-fiber network protocol code then and carry out protocol configuration;
Protocol code Based Intelligent Control configuration submodule: use smart machine, select, carry out and be stored in the smart machine corresponding passive optical network protocol code and carry out protocol configuration according to the request of user's configuration and ONT Optical Network Terminal;
Protocol code pre-stored configuration submodule: the passive optical network protocol code is stored in advance in the agreement memory device of ONT Optical Network Terminal, selects to carry out the corresponding passive optical network protocol code according to the result of passive optical network protocol identification and carry out protocol configuration;
Protocol code conversion configurations submodule: will be stored in advance that the passive optical network protocol code is converted into a kind of puppy parc in the agreement memory device of ONT Optical Network Terminal, and carry out this puppy parc code and carry out protocol configuration.
A kind of method that makes optical network terminal support multi protocol comprises:
ONT Optical Network Terminal carries out passive optical network protocol identification to the data-signal that receives;
According to the protocol type that recognizes ONT Optical Network Terminal is carried out corresponding protocol selection and configuration, make ONT Optical Network Terminal realize support multiple EPON; The selection and the configuration of said agreement comprise:
In the smart machine that the passive optical network protocol code is stored in advance with ONT Optical Network Terminal links to each other; Select, carry out the corresponding passive optical network protocol code according to user's the configuration or the request of ONT Optical Network Terminal by smart machine, carry out data communication through the interface between said smart machine and the ONT Optical Network Terminal;
ONT Optical Network Terminal is carried out physical layer data transmission, reception, data adaption function.
Wherein, described agreement identification comprises:
The testing circuit of ONT Optical Network Terminal detects the data characteristics of the Frame of optical line terminal downlink transfer, exports the different protocol identifier to identification that the agreement identification control unit carries out agreement according to the sign difference of Frame.
Wherein, the type of described agreement identification comprises: BPON, Gigabit-capable Passive Optical Network or ethernet passive optical network.
Technical scheme by the invention described above provides can find out that the present invention uses a network terminal just can receive the signal of various protocols, has simplified the design and the manufacturing of ONT Optical Network Terminal, helps the mass production of ONT Optical Network Terminal and extensively popularization; Reduce ONT Optical Network Terminal quantity, make things convenient for network device management; Improve compatibility, be easy to formulate unified standard.
Description of drawings
Shown in Figure 1 is basic structure sketch map of the present invention;
Shown in Figure 2 is the ethernet data frame structural representation;
Shown in Figure 3 is 8B10B code conversion sketch map;
Shown in Figure 4 is GPON downlink data frame structure;
Shown in Figure 5 is ONU synchronous state machine fundamental diagram;
Shown in Figure 6 is BPON down stream data transfer frame structure sketch map;
Shown in Figure 7 is the protocol configuration scheme schematic flow sheet of OLT download protocol code;
Shown in Figure 8ly be the protocol configuration scheme schematic flow sheet through the intelligent device management protocol code;
Shown in Figure 9 is the protocol configuration scheme schematic flow sheet of direct use agreement memory device;
Protocol configuration scheme schematic flow sheet for carrying out shown in Figure 10 through protocol translation;
Shown in Figure 11 is system schematic of the present invention.
Embodiment
Core of the present invention is in ONT Optical Network Terminal, to add protocol detection, recognition function, the signal that is received is carried out detection, the identification of protocol type; After obtaining the protocol type of signal, select, dispose this agreement for system, final regulation according to concrete agreement is carried out corresponding data transmit-receive and is handled.
More specifically say, make the method for optical network terminal support multi protocol can be divided into selection, two parts of configuration of detection, identification and the agreement of agreement in the EPON of the present invention.
Accomplish through the testing circuit unit detection, the identification of agreement are main among the present invention.
Testing circuit unit among the present invention is used to detect the data-signal from optical transport network; The traffic spike of input detecting circuit is carried out the also line scanning detection of various protocols Frame; The protocol type of data flow in the decision circuit, and resulting protocol detected state value sent to the agreement identification control unit.
Protocol detection, identification to the transmission data at first need use the testing circuit unit among ONU or the ONT that the downlink data transmission frame that OLT received is detected, and analyze its data characteristics, find out each Frame sign difference that is received.
Will the control data corresponding according to the sign difference of different pieces of information frame with Frame, i.e. protocol identifier is sent to the agreement identification control unit of ONU or ONT.
The agreement identification control unit of ONU or ONT identifies the protocol type that transmits data in the network according to received protocol identifier, so that carry out protocol configuration for the data of different agreement type.
Because the network type that uses among the present invention includes but not limited to BPON, EPON, GPON, therefore all need be provided with corresponding protocol detection, recognition methods for every kind of network type.
Another pith of the present invention is that the detected protocol type of basis is selection and the configuration that data-signal carries out agreement.
After obtaining protocol type information, carry out the selection and the configuration of agreement for data-signal and can use multiple mode, comprising:
After agreement identification; Various PON protocol code among ONU, the ONT have just begun not to be stored in the agreement memory device; But through OLT ONU, ONT when just starting working according to the requirement of OLT equipment or download to protocol code among ONU or the ONT according to the request of ONU or ONT; Also can directly required PON code be downloaded among ONU or the ONT, can move all PON codes to realize a kind of ONU/ONT hardware device;
Or,
After agreement identification; Just begun not to be stored in the various PON protocol code among ONU, the ONT in the agreement memory device; But be stored in smart machine that this agreement memory device links to each other in; And mainly or all in smart machine, carry out, when ONU or ONT started working, corresponding PON protocol code is selected and carried out to smart machine according to user's configuration or according to the request of ONU or ONT; And carrying out communication through the interface between smart machine and ONU or the ONT, ONT, ONU mainly carry out physical layer data transmission, reception, data adapting function;
Or,
After agreement identification; When just beginning, deposit in the various PON protocol code of ONU, ONT in the agreement memory device; The agreement memory device physically or in logic can changed or increased, and ONU or the ONT request that identification produces according to the PON agreement selects to carry out the corresponding protocol code;
Or,
After agreement identification; When just beginning, deposit in the various PON protocol code among ONU, the ONT in the agreement memory device; The agreement memory device physically or in logic can changed or increased; ONU or ONT carry out the conversion of agreement according to the result of PON agreement identification, are a kind of puppy parc with the PON protocol translation.
After above agreement identification and configuration to data-signal, with the adaptive and control unit of data incoming traffic that configures, business datum is carried out service priority classification and flow control, finally send to the ONT Optical Network Terminal user.
To combine accompanying drawing that a kind of method and system of optical network terminal support multi protocol that make of the present invention are elaborated below.
Shown in Figure 1 is basic structure sketch map of the present invention.
Of the present invention a kind of to make the method for optical network terminal support multi protocol mainly be in ONT Optical Network Terminal, to add protocol detection, recognition function, the signal that is received carried out detection, the identification of protocol type; After obtaining the protocol type of signal, be this agreement of system configuration, final regulation according to concrete agreement is carried out corresponding data transmit-receive and is handled.
The present invention can mainly be divided into two parts of configuration to protocol detection, identification and the agreement of reception data-signal.
To the protocol detection of reception data-signal, be identified in the testing circuit shown in Figure 1 and realize.
The testing circuit unit is used to detect the data-signal from optical transport network; The traffic spike of input detecting circuit is carried out the also line scanning detection of various protocols Frame; The protocol type of data flow in the decision circuit, and resulting protocol detected state value sent to the agreement identification control unit.
Protocol detection, identification to the transmission data at first need use the testing circuit unit among ONU or the ONT that the downlink data transmission frame that OLT received is detected, and analyze its data characteristics, find out each Frame sign difference that is received.
Will the control data corresponding according to the sign difference of different pieces of information frame with Frame, i.e. protocol identifier is sent to the agreement identification control unit of ONU or ONT.
The network type that uses among the present invention includes but not limited to BPON, EPON, GPON, therefore all is provided with corresponding protocol detection, recognition methods to every kind of network type.
Be illustrated in figure 2 as the ethernet data frame structural representation;
Be illustrated in figure 3 as 8B10B code conversion sketch map.
EPON label detection to downstream data flow comprises:
The data that received get into the logical block in this circuit after getting into the testing circuit unit, directly the 10B data flow are detected.
When the testing result of 10B data flow satisfies following 4 conditions, can think that this Frame is the EPON frame, described condition is:
In the 10B data flow, detect 1010100110, promptly in the 8B data flow, detect 0 * d5;
After detecting 1010100110, be consecutively detected two 1010100101 immediately, i.e. 0 * 55 in the 8B data flow, and 1010100101 back that are right after 1010100110;
After finding above-mentioned data flow, find 0010011110 in the position of SFD;
Can repeat to realize above-mentioned 3 conditions within a certain period of time.
Be illustrated in figure 4 as GPON downlink data frame structure;
Be illustrated in figure 5 as ONU synchronous state machine fundamental diagram.
GPON label detection to downstream data flow comprises:
The synchronization code word of GPON as shown in the figure (Psync) is: 0 * B6AB31E0.
The data that received get into the logical block in this circuit after getting into the testing circuit unit, directly data stream are detected.
When the testing result of data flow satisfies following 3 conditions, can think that this Frame is the GPON frame, described condition is:
Detect code word 0 * B6AB31E0;
Above-mentioned code word 0 * B6AB31E0 can repeat to occur;
Various parameters satisfy the requirement of synchronous state machine shown in Figure 5, reach Sync state state.
Be illustrated in figure 6 as BPON down stream data transfer frame structure sketch map.
BPON label detection to downstream data flow comprises:
As shown in the figure, BPON synchronization code word: SYNC1, SYNC2 are set in the Frame.
The data that received get into the logical block in this circuit after getting into the testing circuit unit, directly data stream are detected.
When the testing result of data flow satisfies following 2 conditions, can think that this Frame is the BPON frame, described condition is:
Detect code word SYNC1, SYNC2;
Said code word SYNC1, SYNC2 repeat to occur in fixed intervals.
Above-mentioned three kinds of detection methods that are directed against EPON, GPON, BPON respectively act on a certain downlink data data flow simultaneously, and the downlink data data flow is duplicated into three parts, insert respectively to have in three circuit of EPON, GPON, BPON measuring ability.
Can corresponding definite protocol type behind the network type that identifies digital data stream, the effective information of this protocol type is sent to the agreement identification control unit.
The configuration that another pith of the present invention is an agreement is in the agreement identification control unit, to realize.
Described agreement identification control unit is configured system operating mode according to different PON system types; Call the software driver with systems compliant, set up corresponding work mode.
Like Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, the protocol configuration of carrying out in the agreement identification control unit of the present invention comprises following scheme.
Said scheme all adopt can compatible friction speed optical processor send, receive, data are recovered and clock recovery, and carry out the identification of PON agreement according to above-mentioned protocol recognition method.
Shown in Figure 7 is the protocol configuration scheme schematic flow sheet of OLT download protocol code.
After agreement identification was accomplished, the various PON protocol code among ONU, the ONT were not stored in the equipment;
As ONU, when ONT starts working, optical line terminal according to the requirement of optical line terminal self or/and be downloaded to optical network unit or ONT Optical Network Terminal to protocol code according to the request of optical network unit or ONT Optical Network Terminal.Optical line terminal can be confirmed a scope that is applicable to the protocol type of optical network unit or ONT Optical Network Terminal according to the requirement of self.Though the protocol type in the scope all is applicable to ONT Optical Network Terminal or optical network unit,,, then need consider the request of optical network unit or ONT Optical Network Terminal again in order to find the agreement of the most suitable ONU, ONT because the protocol type in the protocol type scope is more.
Shown in Figure 8ly be the protocol configuration scheme schematic flow sheet through the intelligent device management protocol code.
After agreement identification was accomplished, the various PON protocol code among ONU, the ONT were not stored in the equipment, but be stored in smart machine that this equipment is connected in, and main or all in smart machine, carry out;
As ONU, when ONT starts working, suitable PON protocol code is selected and carried out to smart machine according to the request of user's configuration or ONU, ONT, and carry out communication through the interface between smart machine and ONU, the ONT;
ONT, ONU mainly accomplish physical layer data transmission, reception, data adapting function.
Shown in Fig. 8 dotted portion, comprise the ONU, the ONT working method that adopt single fixed protocol work in this programme.
Shown in Figure 9 is the protocol configuration scheme schematic flow sheet of direct use agreement memory device.
After agreement identification was accomplished, various or certain PON protocol code among ONU, the ONT was stored in the agreement memory device when initial;
The agreement memory device physically or in logic can changed or increased;
The corresponding protocol code is selected and is carried out in ONU, the ONT request that identification produces according to the PON agreement in the agreement memory device.
Protocol configuration scheme schematic flow sheet for carrying out shown in Figure 10 through protocol translation.
After agreement identification was accomplished, various or certain PON protocol code among ONU, the ONT just was stored in the agreement memory device when initial;
The agreement memory device physically or in logic can changed or increased;
ONU, ONT carry out the conversion of agreement according to the result of PON agreement identification, and the PON protocol translation is become a kind of general agreement and carries out this puppy parc and carry out protocol configuration.
Shown in Figure 11 is system schematic of the present invention.
A kind of system that makes optical network terminal support multi protocol according to the invention comprises:
The agreement identification module is used for the data flow of received signal is carried out various protocols Frame and line scanning detection, judges the protocol type of this data flow;
The protocol configuration module, being used for according to the protocol type that identifies is the data processing module configuration protocol.
Said agreement identification module comprises:
BPON recognin module is used for being identified in the protocol type of BPON data signals transmitted;
Gigabit-capable Passive Optical Network recognin module is used for being identified in the protocol type of Gigabit-capable Passive Optical Network data signals transmitted;
Ethernet passive optical network recognin module is used for being identified in the protocol type of ethernet passive optical network data signals transmitted.
Said protocol configuration module comprises:
Protocol code download configuration submodule: control optical line terminal; Make it be downloaded to optical network unit or ONT Optical Network Terminal to protocol code, use this protocol code to carry out protocol configuration then according to the requirement of optical line terminal self and/or the request of optical network unit or ONT Optical Network Terminal;
Protocol code Based Intelligent Control configuration submodule: use smart machine, carry out protocol configuration according to user's the configuration and the protocol code that request is selected, execution is stored in the smart machine of optical network unit or ONT Optical Network Terminal;
Protocol code pre-stored configuration submodule: protocol code is stored in advance in the agreement memory device of ONT Optical Network Terminal, selects to carry out the corresponding protocol code according to the result of passive optical network protocol identification and carry out protocol configuration;
Protocol code conversion configurations submodule: the protocol code that will be stored in advance in the agreement memory device of ONT Optical Network Terminal is converted into a kind of puppy parc, carries out this puppy parc code and carries out protocol configuration.
In sum, the present invention realizes the support to multiple PON network through for the PON network terminal adds detection, identification and the configuration feature of various protocols, helps network interworking and upgrading, simplifies the terminal kind, reduces management cost, is easy to form scale effect.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (11)
1. a method that makes optical network terminal support multi protocol is characterized in that, comprising:
ONT Optical Network Terminal carries out passive optical network protocol identification to the data-signal that receives;
According to the protocol type that recognizes ONT Optical Network Terminal is carried out corresponding protocol selection and configuration, make ONT Optical Network Terminal realize support multiple EPON; The selection and the configuration of said agreement comprise:
The passive optical network protocol code is not stored in the agreement memory device of ONT Optical Network Terminal in advance; ONT Optical Network Terminal is downloaded the corresponding passive optical network protocol code from optical line terminal; Wherein, the corresponding passive optical network protocol code is downloaded to ONT Optical Network Terminal by optical line terminal according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal.
2. a kind of method that makes optical network terminal support multi protocol according to claim 1 is characterized in that, described agreement identification comprises:
The testing circuit of ONT Optical Network Terminal detects the data characteristics of the Frame of optical line terminal downlink transfer, exports the different protocol identifier to identification that the agreement identification control unit carries out agreement according to the sign difference of Frame.
3. a kind of method that makes optical network terminal support multi protocol according to claim 1 and 2 is characterized in that, the type of described agreement identification comprises: BPON, Gigabit-capable Passive Optical Network or ethernet passive optical network.
4. a kind of method that makes optical network terminal support multi protocol according to claim 1 is characterized in that, uses the optical processor of compatible friction speed to carry out data at transmitting terminal and sends.
5. a kind of method that makes optical network terminal support multi protocol according to claim 1 is characterized in that, carries out to received signal earlier signal being recovered before the agreement identification, and described signal recovers to comprise that signal data recovers and signal time recovers.
6. one kind making the system of optical network terminal support multi protocol, it is characterized in that, comprising:
The agreement identification module is used for the data flow of received signal is carried out multiple passive optical network protocol Frame and line scanning detection, judges the protocol type of this data flow;
The protocol configuration module; Being used for according to the protocol type that identifies is the data processing module configuration protocol; Wherein, Passive optical network protocol code in the agreement is not stored in the agreement memory device of ONT Optical Network Terminal in advance, is downloaded to ONT Optical Network Terminal to the corresponding passive optical network protocol code through optical line terminal according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal.
7. a kind of system that makes optical network terminal support multi protocol according to claim 6 is characterized in that, said agreement identification module comprises:
BPON recognin module is used for being identified in the protocol type of BPON data signals transmitted;
Gigabit-capable Passive Optical Network recognin module is used for being identified in the protocol type of Gigabit-capable Passive Optical Network data signals transmitted;
Ethernet passive optical network recognin module is used for being identified in the protocol type of ethernet passive optical network data signals transmitted.
8. a kind of system that makes optical network terminal support multi protocol according to claim 6 is characterized in that, said protocol configuration module comprises:
Protocol code download configuration submodule: control optical line terminal; Make it according to the requirement of optical line terminal self and/or the request of ONT Optical Network Terminal; Be downloaded to ONT Optical Network Terminal to the corresponding passive optical network protocol code, use this passive optical network protocol code to carry out protocol configuration then;
Protocol code Based Intelligent Control configuration submodule: use smart machine, select, carry out and be stored in the smart machine corresponding passive optical network protocol code and carry out protocol configuration according to the request of user's configuration and ONT Optical Network Terminal;
Protocol code pre-stored configuration submodule: the passive optical network protocol code is stored in advance in the agreement memory device of ONT Optical Network Terminal, selects to carry out the corresponding passive optical network protocol code according to the result of passive optical network protocol identification and carry out protocol configuration;
Protocol code conversion configurations submodule: will be stored in advance that the passive optical network protocol code is converted into a kind of puppy parc in the agreement memory device of ONT Optical Network Terminal, and carry out this puppy parc code and carry out protocol configuration.
9. a method that makes optical network terminal support multi protocol is characterized in that, comprising:
ONT Optical Network Terminal carries out passive optical network protocol identification to the data-signal that receives;
According to the protocol type that recognizes ONT Optical Network Terminal is carried out corresponding protocol selection and configuration, make ONT Optical Network Terminal realize support multiple EPON; The selection and the configuration of said agreement comprise:
In the smart machine that the passive optical network protocol code is stored in advance with ONT Optical Network Terminal links to each other; Select, carry out the corresponding passive optical network protocol code according to user's the configuration or the request of ONT Optical Network Terminal by smart machine, carry out data communication through the interface between said smart machine and the ONT Optical Network Terminal;
ONT Optical Network Terminal is carried out physical layer data transmission, reception, data adaption function.
10. a kind of method that makes optical network terminal support multi protocol according to claim 9 is characterized in that, described agreement identification comprises:
The testing circuit of ONT Optical Network Terminal detects the data characteristics of the Frame of optical line terminal downlink transfer, exports the different protocol identifier to identification that the agreement identification control unit carries out agreement according to the sign difference of Frame.
11., it is characterized in that the type of described agreement identification comprises: BPON, Gigabit-capable Passive Optical Network or ethernet passive optical network according to claim 9 or 10 described a kind of methods that make optical network terminal support multi protocol.
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| CN106936653B (en) * | 2015-12-30 | 2020-04-28 | 华为数字技术（苏州）有限公司 | Optical module type identification method and device |
| CN107959661B (en) * | 2016-10-17 | 2020-10-23 | 南京中兴新软件有限责任公司 | Information processing method and device |
| CN108365965A (en) * | 2017-12-27 | 2018-08-03 | 武汉丰天鼎业信息网络有限公司 | A kind of method that ONT supports ONU, fiber optical transceiver uplink mode adaptive and integrated EOC local sides |
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