CN106063224B

CN106063224B - A kind of method, terminal and system for transmitting information in optical-fiber network

Info

Publication number: CN106063224B
Application number: CN201480068056.9A
Authority: CN
Inventors: 杨神龙; 赵林华; 杨军; 刘海雄
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-12-29
Filing date: 2014-12-29
Publication date: 2019-10-25
Anticipated expiration: 2034-12-29
Also published as: CN106063224A; WO2016106520A1

Abstract

The method that the embodiment of the invention discloses a kind of to transmit information in optical-fiber network, the SN that ONT is sent by the channel PLOAM is received by OLT, then an ID corresponding with SN is distributed for ONT, send the first message for carrying ID and mount message to ONT by the channel PLOAM again, which includes following one: geographical location information, optical path uplink quality information, ranging information and the OLT device description information of OLT.The disclosed method that information is transmitted in optical-fiber network through the embodiment of the present invention can improve the installation effectiveness of ONT to avoid artificial enquiry mount message or artificial investigation connection error problem.

Description

A kind of method, terminal and system for transmitting information in optical-fiber network

Technical field

The present invention relates to mobile communication technology field, in particular to a kind of method, terminal that information is transmitted in optical-fiber network And system.

Background technique

Intelligent acess (Fiber To The x, abbreviation FTTx) is a kind of access network fiber technology, and range is from region For the local side apparatus of telecommunications room to ustomer premises access equipment, local side apparatus is optical line terminal (Optical Line Terminal, letter Claim OLT), ustomer premises access equipment is optical network unit (Optical Network Unit, abbreviation ONU) or ONT Optical Network Terminal (Optical Network Terminal, abbreviation ONT).Different according to the type of intelligent acess, ONT may be mounted to use In the man of family, the positions such as building, roadside cabinet or residential quarters.

With the extensive commercialization of intelligent acess, the functional characteristic of ONT is constantly enhancing, now the ONT and ONT of net storage The demand of installation is also more and more, and in ONT installation and O&M, usually following problems may be encountered:

Since the data service and voice service of every country and area planning and development are different from, different When ONT is installed in countries and regions, need manually to determine or select the geographical location information of the ONT to load corresponding configuration Parameter causes the installation effectiveness of ONT low to carry out facility registration.

In addition, if installation personnel needs to detect line quality when installing ONT, before ONT does not activate the service, only Optical path downlink quality capable of being inquired by ONT, the administrative staff of the side manual contact OLT are then needed for optical path uplink quality.Together Sample will not only expend considerable time and effort if installation personnel discovery has OLT optical module mouth connection error Which optical module mouth connection error is artificial investigation be, also wants the administrative staff of the side manual contact OLT to carry out information verification, equally makes The installation effectiveness for obtaining ONT is low.

ONT, can also due to various reasons after activating the service, such as software fault (bug) de- pipe problem occurs, i.e., In the normal situation of route, the message of OLT transmission cannot respond to.In this case, the prior art needs operation maintenance personnel to ONT Locating geographical location manually acquires the fault message of ONT, positioning problems is carried out further according to collected fault message, so that asking The efficiency for inscribing positioning is very low.

Summary of the invention

In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of in optical-fiber network transmit information method, Terminal and system, to solve the problems, such as the installation effectiveness and positioning problems inefficiency of ONT.

In a first aspect, the method that the embodiment of the invention provides a kind of to transmit information in optical-fiber network, comprising:

OLT receives ONT and manages and maintains the channel (Physical Layer OAM, abbreviation PLOAM) by physical layer operations The sequence number (Serial Number, abbreviation SN) of transmission；

OLT is that ONT distributes a mark (ID), and the ID and SN are corresponding；

OLT sends first message to ONT by the channel PLOAM, which carries ID and mount message, installation letter Breath includes following one: geographical location information, optical path uplink quality information, ranging information and the OLT device description information of OLT.

With reference to first aspect, in the first implementation of first aspect, OLT device description information include it is following at least One of: frame ID, slot number, optical module mouth ID and the IP address of OLT.

With reference to first aspect or the first implementation of first aspect, in second of implementation of first aspect, First message is PON-ID message, the type of a byte representation mount message in the 4-10 byte of the PON-ID message, The content of at least one remaining byte representation mount message.

Second aspect, the method that the embodiment of the invention provides another kinds to transmit information in optical-fiber network, comprising:

ONT sends SN to OLT by the channel PLOAM；

ONT receives the first message that sends by the channel PLOAM of OLT, the first message carry ID corresponding with SN with Mount message, which includes following one: the geographical location information of OLT, optical path uplink quality information, ranging information and OLT device description information；

ONT saves mount message.

In conjunction with second aspect, in the first implementation of second aspect, OLT device description information include it is following at least One of: frame ID, slot number, optical module mouth ID and the IP address of OLT.

In conjunction with the first of second aspect or second aspect implementation, in second of implementation of second aspect, First message is PON-ID message, the type of a byte representation mount message in the 4-10 byte of the PON-ID message, The content of at least one remaining byte representation mount message.

The third aspect, the method that the embodiment of the invention provides another kinds to transmit information in optical-fiber network, comprising:

OLT has detected that ONT accesses Optical Distribution Network (Optical Distribution Network, abbreviation ODN)；

OLT broadcasts the geographical location information of OLT by the channel PLOAM to all ONT of OLT connection.

In conjunction with the third aspect, in the first implementation of the third aspect, ONT is the ONT installed for the first time.

In conjunction with the first of the third aspect or the third aspect implementation, in second of implementation of the third aspect, OLT by the channel PLOAM to all ONT of OLT connection broadcast OLT geographical location information include:

OLT broadcasts the geographical location information of OLT periodically by the channel PLOAM to all ONT of OLT connection.

In conjunction with above-mentioned all implementations of the third aspect or the third aspect, in the third implementation of the third aspect In, the geographical location information of OLT is carried in PON-ID message, a byte representation in the 4-10 byte of PON-ID message The information type of PON-ID message bearing is the geographical location information of OLT, the geographical location of at least one remaining byte representation OLT The content of information.

Fourth aspect, the method that the embodiment of the invention provides another kinds to transmit information in optical-fiber network, comprising:

OLT manages and controls interface (ONT Management and Control Interface, abbreviation by ONT OMCI) channel sends to ONT Optical Network Terminal ONT and instructs；

If OLT does not receive the response to the instruction within a preset time, OLT sends failure to ONT by the channel PLOAM Instruction is collected, failure collection instruction is used to indicate ONT and its fault message is stored on nonvolatile memory.

In conjunction with fourth aspect, in the first implementation of fourth aspect, fault message includes at least one of: The log (log) of ONT, current running configuration and exception call stack.

In conjunction with the first of fourth aspect or fourth aspect implementation, in second of implementation of fourth aspect, This method further comprises:

OLT receives the confirmation message that ONT is sent, which indicates that fault message preservation finishes；

OLT sends instruction of restarting to ONT by the channel PLOAM, which is used to indicate ONT restarting；

OLT indicates that fault message is sent to Network Management System by ONT.

In conjunction with above-mentioned all implementations of fourth aspect or fourth aspect, in the third implementation of fourth aspect In, failure collects a byte representation PON- of the instruction carrying in PON-ID message, in the 4-10 byte of PON-ID message The information type of ID message bearing is that failure collects instruction, at least one remaining byte representation failure collects instruction.

5th aspect, the method that the embodiment of the invention provides another kinds to transmit information in optical-fiber network, comprising:

ONT receives OLT and collects instruction by the failure that the channel PLOAM is sent；

ONT collects instruction according to the failure and its fault message is stored on nonvolatile memory；

ONT receives the instruction of restarting that OLT is sent；

ONT is restarted according to the instruction of restarting；

ONT sends fault message to Network Management System.

In conjunction with the 5th aspect, in the first implementation of the 5th aspect, which includes at least one of: The log log of ONT, current running configuration and exception call stack.

In conjunction with the first implementation of the 5th aspect or the 5th aspect, in second of implementation of the 5th aspect, Failure is collected instruction and is carried in PON-ID message, and a byte representation PON-ID in the 4-10 byte of PON-ID message disappears The information type of breath carrying is that failure collects instruction, at least one remaining byte representation failure collects instruction.

6th aspect, the embodiment of the invention provides a kind of optical line terminal OLTs, comprising:

Receiving unit, the SN sent for receiving ONT by the channel PLOAM；

Allocation unit, for distributing ID for ONT, the ID and SN are corresponding；

Transmission unit, for sending first message to ONT by the channel PLOAM, which carries ID and installation letter Breath, which includes following one: geographical location information, optical path uplink quality information, ranging information and the OLT of OLT is set Standby description information.

In conjunction with the 6th aspect, the 6th aspect the first implementation in, OLT device description information include it is following at least One of: frame ID, slot number, optical module mouth ID and the IP address of OLT.

In conjunction with the first implementation of the 6th aspect or the 6th aspect, in second of implementation of the 6th aspect, First message is PON-ID message, the type of a byte representation mount message in the 4-10 byte of PON-ID message, until The content of few remaining byte representation mount message.

7th aspect, the embodiment of the invention provides a kind of ONT Optical Network Terminal ONT, comprising:

Transmission unit, for sending SN to OLT by the channel PLOAM；

Receiving unit, the first message sent for receiving OLT by the channel PLOAM, which carries and SN phase Corresponding mark ID and mount message, which includes following one: the geographical location information of OLT, optical path uplink quality Information, ranging information and OLT device description information；

Storage unit, for saving the mount message.

In conjunction with the 7th aspect, the 7th aspect the first implementation in, OLT device description information include it is following at least One of: frame ID, slot number, optical module mouth ID and the IP address of OLT.

In conjunction with the first implementation of the 7th aspect or the 7th aspect, in second of implementation of the 7th aspect, First message is PON-ID message, the type of a byte representation mount message in the 4-10 byte of the PON-ID message, The content of at least one remaining byte representation mount message.

Eighth aspect, the embodiment of the invention provides another optical line terminal OLTs, comprising:

Detection unit, for detecting whether there is ONT to access ODN；

Radio unit, when having detected that ONT accesses ODN for detection unit, by the channel PLOAM to the institute of OLT connection There is the geographical location information of ONT broadcast OLT.

In conjunction with eighth aspect, in the first implementation of eighth aspect, ONT is the ONT installed for the first time.

In conjunction with the first of eighth aspect or eighth aspect implementation, in second of implementation of eighth aspect, When the radio unit is specifically used for detection unit and has detected that ONT accesses ODN, periodically by the channel PLOAM to OLT connection All ONT broadcast OLT geographical location information.

In conjunction with above-mentioned all implementations of eighth aspect or eighth aspect, in the third implementation of eighth aspect In, the geographical location information of OLT is carried in PON-ID message, a table of bytes in the 4-10 byte of the PON-ID message The information type for showing PON-ID message bearing is the geographical location information of OLT, the geographical position of at least one remaining byte representation OLT The content of confidence breath.

9th aspect, the embodiment of the invention provides another optical line terminal OLTs, comprising:

First transmission unit is instructed for being sent by the channel OMCI to ONT；

Determination unit, for determining whether OLT receives the response to instruction within a preset time；

Second transmission unit, for when determination unit determines that OLT does not receive the response to instruction within a preset time, Failure is sent to ONT by the channel PLOAM and collects instruction, and failure collection instruction is used to indicate ONT and saves its fault message On nonvolatile memory.

In conjunction with the 9th aspect, in the first implementation of the 9th aspect, fault message includes at least one of: The log log of ONT, current running configuration and exception call stack.

In conjunction with the first implementation of the 9th aspect or the 9th aspect, in second of implementation of the 9th aspect, The OLT further comprises:

Receiving unit, for receiving the confirmation message of ONT transmission, which indicates that fault message preservation finishes；

Third transmission unit, for sending instruction of restarting to ONT by the channel PLOAM, which is used to indicate ONT Restarting.

In conjunction with above-mentioned all implementations of the 9th aspect or the 9th aspect, in the third implementation of the 9th aspect In, failure collects a byte representation of the instruction carrying in PON-ID message, in the 4-10 byte of the PON-ID message The information type of PON-ID message bearing is that failure collects instruction, at least one remaining byte representation failure collects instruction.

Tenth aspect, the embodiment of the invention provides another ONT Optical Network Terminal ONT, comprising:

First receiving unit collects instruction by the failure that the channel PLOAM is sent for receiving OLT；

The fault message of ONT is stored in nonvolatile memory for collecting instruction according to the failure by storage unit；

Second receiving unit, for receiving the instruction of restarting of OLT transmission；

Unit is restarted, for restarting according to the instruction of restarting；

Transmission unit, for sending fault message to Network Management System.

In conjunction with the tenth aspect, in the first implementation of the tenth aspect, which includes at least one of: The log log of ONT, current running configuration and exception call stack.

In conjunction with the first implementation of the tenth aspect or the tenth aspect, in second of implementation of the tenth aspect, The failure collects a byte representation PON-ID of the instruction carrying in PON-ID message, in the 4-10 byte of PON-ID message The information type of message bearing is that failure collects instruction, at least one remaining byte representation failure collects instruction.

Tenth on the one hand, and the embodiment of the invention provides another optical line terminal OLTs, comprising:

Receiver, the SN sent for receiving ONT by the channel PLOAM；

Processor, for distributing ID for ONT, the ID and SN are corresponding；

Transmitter, for sending first message to ONT by the channel PLOAM, which carries ID and mount message, The mount message includes following one: geographical location information, optical path uplink quality information, ranging information and the OLT device of OLT is retouched State information；

Memory, for storing program code；

Communication bus, for connecting receiver, processor, transmitter and memory.

On the one hand in conjunction with the tenth, in the first implementation of the tenth one side, OLT device description information includes following At least one: frame ID, slot number, optical module mouth ID and the IP address of OLT.

In conjunction with the first implementation of the tenth one side or the tenth one side, in second of realization side of the tenth one side In formula, first message is PON-ID message, a byte representation mount message in the 4-10 byte of the PON-ID message Type, the content of at least one remaining byte representation mount message.

12nd aspect, the embodiment of the invention provides another ONT Optical Network Terminal ONT, comprising:

Transmitter, for sending SN to OLT by the channel PLOAM；

Receiver, the first message sent for receiving OLT by the channel PLOAM, the first message carry opposite with SN The ID and mount message answered, which includes following one: the geographical location information of OLT, is surveyed optical path uplink quality information Away from information and OLT device description information；

Memory, for storing mount message and program code；

Communication bus, for connecting transmitter, receiver and memory.

In conjunction with the 12nd aspect, in the first implementation of the 12nd aspect, OLT device description information includes following At least one: frame ID, slot number, optical module mouth ID and the IP address of OLT.

In conjunction with the first implementation of the 12nd aspect or the 12nd aspect, in second of realization side of the 12nd aspect In formula, first message is PON-ID message, a byte representation mount message in the 4-10 byte of the PON-ID message Type, the content of at least one remaining byte representation mount message.

13rd aspect, the embodiment of the invention provides another optical line terminal OLTs, comprising:

Processor, for detecting whether there is ONT to access ODN；

Transmitter, when having detected that ONT accesses ODN for processor, by the channel PLOAM to all ONT of OLT connection Broadcast the geographical location information of OLT；

Memory, for storing program code；

Communication bus, for connecting processor, transmitter and memory.

In conjunction with the 13rd aspect, in the first implementation of the 13rd aspect, which is the ONT installed for the first time.

In conjunction with the first implementation of the 13rd aspect or the 13rd aspect, in second of realization side of the 13rd aspect In formula, when transmitter is specifically used for processor and has detected that ONT accesses ODN, periodically by the channel PLOAM to OLT connection All ONT broadcast OLT geographical location information.

In conjunction with above-mentioned all implementations of the 13rd aspect or the 13rd aspect, in the third realization of the 13rd aspect In mode, the geographical location information of OLT is carried in PON-ID message, a word in the 4-10 byte of the PON-ID message Section indicates that the information type of PON-ID message bearing is the geographical location information of OLT, the ground of at least one remaining byte representation OLT Manage the content of location information.

Fourteenth aspect, the embodiment of the invention provides another optical line terminal OLTs, comprising:

Transmitter is instructed for being sent by the channel OMCI to ONT, is also used to determine OLT in preset time when processor When not receiving the response to instruction inside, failure is sent to ONT by the channel PLOAM and collects instruction, which collects instruction and use Its fault message is stored on nonvolatile memory in instruction ONT；

Processor, for determining whether OLT receives the response to instruction within a preset time；

Memory, for storing program code；

Communication bus, for connecting transmitter, processor and memory.

In conjunction with fourteenth aspect, in the first implementation of fourteenth aspect, the fault message include it is following at least One of: the log log of ONT, current running configuration and exception call stack.

In conjunction with the first of fourteenth aspect or fourteenth aspect implementation, in second of realization side of fourteenth aspect In formula, OLT further comprises:

Receiver, for receiving the confirmation message of ONT transmission, which indicates that fault message preservation finishes；

Transmitter is also used to send instruction of restarting to ONT by the channel PLOAM, which is used to indicate ONT again Starting；

Communication bus is also used to connect receiver.

In conjunction with above-mentioned all implementations of fourteenth aspect or fourteenth aspect, in the third realization of fourteenth aspect In mode, which collects a byte of the instruction carrying in PON-ID message, in the 4-10 byte of the PON-ID message The information type for indicating PON-ID message bearing is that failure collects instruction, at least one remaining byte representation failure collects instruction.

15th aspect, the embodiment of the invention provides another ONT Optical Network Terminal ONT, comprising:

Receiver collects instruction by the failure that the channel PLOAM is sent for receiving OLT, and receives the weight that OLT is sent Open instruction；

Nonvolatile memory, for storing program code and collecting the fault message that instruction saves ONT according to failure；

Processor, for being restarted ONT according to instruction of restarting；

Transmitter, for sending fault message to Network Management System；

Communication bus, for connecting receiver, processor, transmitter and nonvolatile memory.

In conjunction with the 15th aspect, the 15th aspect the first implementation in, fault message include it is following at least it One: ONT log log, current running configuration and exception call stack.

In conjunction with the first implementation of the 15th aspect or the 15th aspect, in second of realization side of the 15th aspect In formula, failure collects a byte representation of the instruction carrying in PON-ID message, in the 4-10 byte of the PON-ID message The information type of PON-ID message bearing is that failure collects instruction, at least one remaining byte representation failure collects instruction.

16th aspect, the embodiment of the invention provides a kind of optical-fiber network information transmission systems, including the embodiment of the present invention OLT and the 7th aspect of the embodiment of the present invention that 6th aspect and its each implementation provide and its ONT that each implementation provides.

17th aspect, the embodiment of the invention provides another optical-fiber network information transmission systems, including the present invention to implement What the OLT and the tenth aspect of the embodiment of the present invention and its each implementation that the 9th aspect of example and its each implementation provide were provided ONT。

18th aspect, the embodiment of the invention provides a kind of optical-fiber network information transmission systems, including the embodiment of the present invention What the OLT and the 12nd aspect of the embodiment of the present invention and its each implementation that the tenth one side and its each implementation provide were provided ONT。

19th aspect, the embodiment of the invention provides a kind of optical-fiber network information transmission systems, including the embodiment of the present invention What the OLT and the 15th aspect of the embodiment of the present invention and its each implementation that fourteenth aspect and its each implementation provide were provided ONT。

Technical solution provided in an embodiment of the present invention has the benefit that when installing ONT, OLT is logical by PLOAM Mount message needed for road sends ONT to ONT eliminates artificial enquiry mount message or artificial investigation connection error problem, Improve the installation effectiveness of ONT.In addition, OLT sends failure letter to ONT by the channel PLOAM when ONT is in de- tubulose state Breath collects instruction, so that fault message is saved in non-volatile memory by ONT, fault message is lost after avoiding ONT power-off It loses, convenient for long-range progress positioning problems or reproduction after obtaining fault message, improves the efficiency for solving the problems, such as that ONT takes off pipe.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of illustrative GPON basic network topology figure provided in an embodiment of the present invention；

Fig. 2 is a kind of GTC layer system protocol stack diagram provided in an embodiment of the present invention；

Fig. 3 is a kind of flow chart for method that information is transmitted in optical-fiber network that the embodiment of the present invention one provides；

Fig. 4 is a kind of illustrative automatic display optical path uplink quality information, ranging information and OLT device description information Information interface；

Fig. 5 is a kind of information interface of illustrative automatic display OLT geographical location information；

Fig. 6 is the flow chart of another method that information is transmitted in optical-fiber network provided by Embodiment 2 of the present invention；

Fig. 7 is the flow chart for another method that information is transmitted in optical-fiber network that the embodiment of the present invention three provides；

Fig. 8 is a kind of structural schematic diagram for OLT that the embodiment of the present invention four provides；

Fig. 9 is a kind of structural schematic diagram for ONT that the embodiment of the present invention four provides；

Figure 10 is the structural schematic diagram for another OLT that the embodiment of the present invention five provides；

Figure 11 is the structural schematic diagram for another OLT that the embodiment of the present invention six provides；

Figure 12 is the structural schematic diagram for another ONT that the embodiment of the present invention six provides；

Figure 13 is the structural schematic diagram for another OLT that the embodiment of the present invention seven provides；

Figure 14 is the structural schematic diagram for another ONT that the embodiment of the present invention seven provides；

Figure 15 is the structural schematic diagram for another OLT that the embodiment of the present invention eight provides；

Figure 16 is the structural schematic diagram for another OLT that the embodiment of the present invention nine provides；

Figure 17 is the structural schematic diagram for another ONT that the embodiment of the present invention nine provides.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

Embodiment to facilitate the understanding of the present invention, first to gigabit passive optical network (Gigabit Passive Optical Network, abbreviation GPON) basic network topology and GPON Transmission Convergence (GPON Transmission Convergence, abbreviation GTC) layer system protocol stack one simple illustration of progress.

GPON is International Telecommunication Union's telecommunication standardsization tissue (International Telecommunication Union Telecommunication Standardization Sector, abbreviation ITU-T) a kind of flexible lucky ratio for proposing Special Optical Access Network supports the broad-band full-service of business and resident's business to access, and is a kind of new PON technology.

Fig. 1 be a kind of illustrative GPON basic network topology, from right to left successively include optical line terminal OLT, ODN, ONT Optical Network Terminal ONT, the network terminal (Network Termination, abbreviation NT), home network (Home Network, abbreviation ) and terminal device (Terminal Equipment, abbreviation TE) HN.Wherein, connected between OLT, ODN and ONT by PON interface It connects, passes through various types of digital subscriber lines (x Digital Subscriber Line, abbreviation xDSL) between ONT and NT Connection, between ONT and HN, HN and NT even by user network side interface (User Networks interface, abbreviation UNI) It connects.HN can be the router of family's installation, and TE can be laptop, tablet computer, mobile phone, telephone set etc..In figure Solid line indicates that physical circuit, dotted line indicate that ONT manages and controls system line.

ONU or ONT are considered as ustomer premises access equipment in the embodiment of the present invention, do not distinguished, unless there are specified otherwise, originally Inventive embodiments indicate ONU and ONT using " ONT ".

Fig. 2 is GTC layer system protocol stack, is adapted to sublayer by GTC framing sublayer (GTC Framing Sub-layer) and TC (TC adaptation Sub-layer) composition.

Control/management plane (C/M-plane) of GTC includes OMCI, embedded operation management service (Operations Administration and Maintenance, abbreviation OAM) and PLOAM, wherein OMCI manages industry defined in the upper layer GTC Business.The embedded channel OAM is provided by the GTC frame head formatted, and each information in the insertion channel OAM maps directly to GTC frame head In specific region, provide a low time delay access for the control information to time-sensitive.The channel PLOAM is by GTC frame One formatted information system of designated position carrying, it is all not by the transmission of the embedded channel OAM for transmitting other Physical medium related (Physical Media Dependent, abbreviation PMD) and GTC management information.

The user plane (U-plane) of GTC includes asynchronous transfer mode (Asynchronous Transfer Mode, letter Claim ATM, be not shown in the figure) and G-PON Encapsulation Mode (GPON Encapsulation Method, abbreviation GEM), GEM Client Carry GEM data flow, such as video data and voice data etc..

Next a kind of illustrative ONT installation procedure is introduced.ONT is powered on first, then will connect the light of ODN Fibre insertion ONT, the channel PLOAM is started to work at this time, and after waiting ONT to enter operating status, the channel OMCI is started to work, and OLT passes through The channel OMCI sends OMCI business configuration message to ONT, after ONT completes OMCI business configuration, carries out point-to-point on Ethernet Agreement (Point-to-Point Protocol over Ethernet, abbreviation PPPoE) dialing, sends out to network management server Send the request that activates the service, network management server receives activate the service request after, service template is configured to ONT by OLT On, ONT has opened business after configuring service template, can be with transmitting data service and voice service, so far ONT is installed At.

ONT in operating status is known as activation or online ONT in the embodiment of the present invention, is not at operating status ONT is known as un-activation or not online ONT；It is known as the ONT for completing OMCI business configuration to configure the ONT for restoring to complete, it will not The ONT for completing OMCI business configuration is known as configuring the ONT in restoring.

It is found in the research to technical problem, when installing ONT, if installation personnel needs some mount messages (peace Filling information includes but is not limited to range information between the geographical location information, the ONT and OLT of the ONT, optical path uplink quality, net The information such as network topology) it configures when ONT perhaps checks false circuit connection due to ONT also un-activation at this time or in configuration In recovery, therefore the mount message needed for ONT can not be sent to ONT by the channel OMCI by OLT.Further, since embedded OAM The character length of support is limited, can be only done the specific functions such as bandwidth authorizing, key exchange, Dynamic Bandwidth Allocation, therefore It can not be used to transmit above-mentioned mount message.In order to solve the above technical problems, the embodiment of the present invention transmits peace by the channel PLOAM Information needed for filling ONT.

Fig. 3 is a kind of flow chart for method that information is transmitted in optical-fiber network that the embodiment of the present invention one provides, including such as Lower step:

S31:OLT receives the SN that ONT is sent by the channel PLOAM；

Each ONT has the sequence number for capableing of the unique identification ONT, and ONT is sent out its sequence number by the channel PLOAM Give OLT.

S32:OLT is that the ONT distributes a mark (ID), and the ID and the SN are corresponding；

Since SN needs to occupy more byte under normal circumstances, OLT can distribute an ID, the ID and ONT for ONT SN it is corresponding, OLT uniquely identifies the ONT using the ID.

S33:OLT sends first message to the ONT by the channel PLOAM；

Wherein, first message carries the ID, and carries mount message, which includes following one: OLT's Geographical location information, optical path uplink quality information, ranging information and OLT device description information.

According to the different situations of every country and area, the geographical location information of OLT may include at least one of: The national code (the hereinafter referred to as national code of OLT) of OLT the country in which it is located, location area code (the hereinafter referred to as ground of OLT Area code) and place province province number, wherein province number can with reference to postcode setting, the embodiment of the present invention to this not It limits.Optical path uplink quality information can delimit mistake according to OLT uplink frame to determine.Ranging information refer to ONT and OLT it Between distance.OLT device description information includes at least one of: frame ID, slot number, optical module mouth ID and the IP address of OLT.

The product form of OLT is usually a machine frame in cabinet, and each machine frame includes multiple slot positions, and each slot position is corresponding One veneer, each veneer include multiple optical module mouths, and each optical module mouth can connect an ODN, and each ODN connection is multiple ONT.The IP address of OLT can be the address IPV4 or the address IPV6.

First message can be private message or PON-ID message, when first message is PON-ID message, and carries OLT and set When standby description information, a kind of illustrative PON-ID message format is as shown in table 1:

Table 1

Octet in table 1 indicates byte number, and Content indicates the content of byte, and Description indicates byte Description.The content of 1-3 byte and 11-12 byte and description have had regulation in existing GPON standard, and the present invention is real Example is applied to extend the content of 4-10 byte and description.When the content of the 4th byte of PON-ID message is 00000003, It indicates that the PON-ID message carries frame ID, slot number and the optical module mouth ID of OLT, and these information is carried by 5-7 byte.

It can be with it is noted that the content of 4-10 byte and description are merely exemplary in table 1, in the embodiment of the present invention By the type of mount message entrained by any one byte representation in the 4-10 byte of PON-ID message, and by extremely Few remaining byte describes the mount message.

When a byte can not completely describe the content of the byte, two bytes, a low byte and one can also be used A high byte is described together the content of the byte.The various occupied bytes of mount message are according to the coding mode of mount message It is different and different.

When first message carries the geographical location information of OLT, a kind of illustrative PON-ID message format such as 2 institute of table Show:

Table 2

In table 2 when the content of the 4th byte of PON-ID message is 00000005, indicate that the PON-ID message carries OLT's National code, and these information are carried by the 5th byte.

The content of 4-10 byte and description are merely exemplary in table 2, can pass through PON-ID in the embodiment of the present invention The type of mount message entrained by any one byte representation in the 4-10 byte of message, and by least one remaining Byte describes the mount message.

OLT can send multiple mount messages by sending multiple PON-ID message.When first message is private message When, OLT can disposably send multiple mount messages by private message.

S34:ONT saves mount message；

After ONT receives the first message of OLT transmission, the mount message that first message carries can be cached to its memory In, it can also be saved in its flash memory Flash or hard disk.

After ONT saves the mount message of first message carrying, installation personnel can pass through the IP of computer login ONT Address directly browses these information on the information interface of ONT.

Fig. 4 is a kind of illustrative automatic display optical path uplink quality information, ranging information and OLT device description information Information interface, for example, " 10.167.215.55 " in " PON mouthfuls of marks " Query Value indicates the IP address of OLT, " 0/2/3 " is indicated 3rd optical module mouth of the 2nd slot position of the 0th machine frame.

Installation personnel can install ONT according to these information, for example, if the OLT device description letter that information interface is shown Breath and the practical OLT connected of ONT are inconsistent, it may be possible to which ODN connection error needs to reconnect；What if information interface was shown Ranging information is greater than reference value, then illustrates that current network wiring is unreasonable, need to adjust wire laying mode；If after repeatedly logging in, letter The frame at breath interface is delimited mistake and is being increased always, then illustrates that uplink quality is excessively poor, it may be necessary to replace the PON optical mode of OLT Block.

Fig. 5 is a kind of information interface of illustrative automatic display OLT geographical location information, when installation personnel pass through it is specific After IP address logs in ONT, OLT geographical location information can be directly browsed, and then load accordingly according to the geographical location information Configuration parameter.

In the embodiment of the present invention one, mount message needed for OLT will install ONT by the channel PLOAM is sent to ONT, makes The mount message of needs can quickly and automatically be got by obtaining ONT, improve the installation effectiveness of ONT.

Fig. 6 is the flow chart of another method that information is transmitted in optical-fiber network provided by Embodiment 2 of the present invention, and real The main distinction for applying example one is that its geographical location information is broadcast to all ONT of its connection by OLT in the present embodiment, is not necessarily to ONT reports SN.Include the following steps:

S61:OLT has detected that ONT accesses ODN；

The ONT can be the ONT that installs for the first time, or accessed again after broken string ODN, activated the service ONT。

Optionally, as long as OLT detects that uplink has optical signal, that is, think to have detected that ONT accesses ODN.

Unless otherwise specified, the ODN in the embodiment of the present invention refers to the Optical Distribution Network between OLT and ONT.

S62:OLT broadcasts the geographical location information of the OLT by the channel PLOAM to all ONT of the OLT connection；

Optionally, OLT broadcasts the geographical location information of the OLT periodically by the channel PLOAM to all ONT, for example, The period can be 60 seconds.

Optionally, OLT by sending private message or PON-ID message come broadcasting geo location information, retouch by specific message State identical with the S33 in embodiment one, details are not described herein again.

S63:ONT saves the geographical location information of the OLT；

, can be by the information cache into its memory after ONT receives the geographical location information of the OLT of OLT transmission, it can also To be saved in its flash memory Flash or hard disk.

After ONT saves the geographical location information of OLT, installation personnel can by the IP address of computer login ONT, Directly browse country, area and province locating for OLT.

In the embodiment of the present invention two, OLT accesses ODN by ONT to its all ONT connected to broadcast its geographical once detecting Location information enables ONT quickly and automatically to get the geographical location information of OLT, improves the installation effect of ONT Rate.

Fig. 7 is the flow chart for another method that information is transmitted in optical-fiber network that the embodiment of the present invention three provides, including Following steps:

S71:OLT is sent to ONT by the channel OMCI and is instructed；

Optionally, which is to indicate the instruction of restarting of ONT restarting, or inquire ONT letter by the channel OMCI The inquiry instruction of breath.

S72: if OLT does not receive the response to described instruction within a preset time, OLT is by the channel PLOAM to described ONT sends failure and collects instruction；

The preset time can flexibly be set according to the actual situation, such as be set as 1 second, and the embodiment of the present invention does not make this It limits.

Online or activated ONT can be since there are rogue ONT (rogue ONT) etc. for software fault (bug) or network Reason leads to the de- pipe of ONT, cannot respond to the instruction that OLT is sent by the channel OMCI.

The failure collection instruction is used to indicate the ONT and its fault message is stored on nonvolatile memory.It is non- Volatile memory will not lose memory, such as flash memory Flash, hard disk of information etc. after referring to power-off.This is non-volatile to deposit Reservoir can be located at the inside of ONT, can also be located at the outside of ONT.

Optionally, the fault message include in log (log), current running configuration and the exception call stack of ONT at least One of.Fault message is all buffered on its memory under normal conditions, and memory is a kind of volatile memory, fault message after power-off It will lose, fault message is stored on nonvolatile memory by instruction ONT in the embodiment of the present invention, it can be to avoid losing Lose fault message.

Optionally, which collects instruction and carries in private message or PON-ID message, collects instruction when failure and carries When in PON-ID message, a kind of illustrative PON-ID message format is as shown in table 3:

Table 3

In table 3 when the content of the 4th byte of PON-ID message is 00000001, indicate that the PON-ID message carries failure and receives Collection instruction, and saved fault message to Flash by the 5th byte representation.

The content of 4-10 byte and description are merely exemplary in table 3, can pass through PON-ID in the embodiment of the present invention Any one byte representation in the 4-10 byte of message carries failure and collects instruction, and passes through at least one remaining word Section indicates that failure collects the content of instruction, such as fault message is saved to Flash or hard disk, or restarting ONT.

When a byte can not completely describe the content of the byte, two bytes, a low byte and one can also be used A high byte is described together the content of the byte.Failure, which is collected, instructs occupied byte to collect instruction encoding side according to failure The difference of formula and it is different.

S73:ONT collects instruction storage fault message according to failure；

S74:ONT sends confirmation message to OLT；

The confirmation message indicates that ONT saves fault message to nonvolatile memory, such as Flash or hard disk；

S75:OLT sends instruction of restarting to ONT by the channel PLOAM；

The instruction of restarting is used to indicate ONT restarting, can also indicate that ONT restores factory configuration simultaneously.

Fault message is sent to Network Management System by the OLT by S76:ONT.

ONT restarting after, can by the channel OMCI by fault information reporting to Network Management System.If ONT weight Newly after starting, it is still in de- tubulose state, OLT can indicate that ONT restores factory configuration, then pass through the channel OMCI again for failure Information reporting is to Network Management System.

Before this step, OLT can first indicate that fault message is sent to Network Management System by the OLT by ONT.

In the embodiment of the present invention three, when OLT detects that ONT takes off pipe, OLT sends fault message to ONT by the channel PLOAM Instruction is collected, so that fault message is saved in non-volatile memory by ONT, fault message is lost after avoiding ONT power-off, Convenient for remotely obtaining progress positioning problems or reproduction after fault message, the efficiency for solving the problems, such as that ONT takes off pipe is improved.

Fig. 8 and Fig. 9 is respectively a kind of OLT and a kind of structural schematic diagram of ONT that the present embodiment four provides, as shown, The OLT includes:

Receiving unit 81, the SN sent for receiving ONT by the channel PLOAM；

Allocation unit 82, for being ONT allocation identification ID, the ID and the SN are corresponding；

Transmission unit 83, for sending first message to ONT by the channel PLOAM, the first message carry the ID and Mount message, mount message include following one: the geographical location information of OLT, optical path uplink quality information, ranging information and OLT device description information.

The ONT includes:

Transmission unit 91, for sending SN to OLT by the channel PLOAM；

Receiving unit 92, the first message sent for receiving OLT by the channel PLOAM, first message carries and SN phase Corresponding ID and mount message, mount message include following one: the geographical location information of OLT, is surveyed optical path uplink quality information Away from information and OLT device description information；

Storage unit 93, for saving mount message.

In above-mentioned OLT and ONT, optionally, OLT device description information includes at least one of: frame ID, the slot of OLT Position number, optical module mouth ID and IP address.

Optionally, first message is PON-ID message, a byte representation institute in the 4-10 byte of PON-ID message The type of mount message is stated, the content of at least one remaining byte representation mount message.

OLT and ONT in the present embodiment can be combined into a kind of optical-fiber network information transmission system.In the embodiment of the present invention one All term explanation and illustrations be suitable for the present embodiment, and the method that all OLT in the embodiment of the present invention one are executed It can be executed by the OLT in the present embodiment, the method that all ONT in the embodiment of the present invention one are executed can be by this reality The ONT in example is applied to execute.

In the present embodiment, mount message needed for OLT will install ONT by the channel PLOAM is sent to ONT, enables ONT Mount message that is enough quick and automatically getting needs, improves the installation effectiveness of ONT.

Figure 10 is the structural schematic diagram for another OLT that the embodiment of the present invention five provides, as shown, the OLT includes:

Detection unit 101, for detecting whether there is ONT to access ODN；

Radio unit 102, when having detected that ONT accesses ODN for detection unit, by the channel PLOAM to OLT connection All ONT broadcast the geographical location information of the OLT.

In above-mentioned OLT, optionally, detection unit 101 is specifically used for the ONT for detecting whether to install for the first time access ODN. Radio unit 102 can be broadcast periodically the geographical location information of OLT when having detected that ONT accesses ODN.

The geographical location information of OLT can be carried in PON-ID message, one in the 4-10 byte of PON-ID message The information type of a byte representation PON-ID message bearing is the geographical location information of OLT, at least one remaining byte representation OLT Geographical location information content.

All term explanation and illustrations in the embodiment of the present invention two are suitable for the present embodiment, and the embodiment of the present invention The method that all OLT in two are executed can be executed by the OLT in the present embodiment.

In the present embodiment, OLT once detect ONT access ODN to its connect all ONT broadcast its geographical location letter Breath, enables ONT quickly and automatically to get the geographical location information of OLT, improves the installation effectiveness of ONT.

Figure 11 and Figure 12 is respectively the structural schematic diagram of another OLT that the embodiment of the present invention six provides and another kind ONT, As shown, the OLT includes:

First transmission unit 111 is instructed for being sent by the channel OMCI to ONT；

Determination unit 112, for determining whether OLT receives the response of instruction within a preset time；

Second transmission unit 113, for determining that OLT does not receive the response of instruction within a preset time when determination unit When, failure is sent to ONT by the channel PLOAM and collects instruction, failure collection instruction is used to indicate ONT and protects its fault message There are on nonvolatile memory.

Above-mentioned OLT may further include:

Receiving unit 114, for receiving the confirmation message of ONT transmission, which indicates that fault message preservation finishes；

Third transmission unit 115, for sending instruction of restarting to the ONT by the channel PLOAM, which is used for Indicate ONT restarting.

The ONT includes:

First receiving unit 121 collects instruction by the failure that the channel PLOAM is sent for receiving OLT；

The fault message of ONT is stored in nonvolatile memory for collecting instruction according to failure by storage unit 122 On；

Second receiving unit 123, for receiving the instruction of restarting of OLT transmission；

Unit 124 is restarted, for restarting according to instruction of restarting；

Transmission unit 125, for sending fault message to Network Management System.

In above-mentioned OLT and ONT, optionally, fault message includes at least one of: the log log of ONT, current to transport Row configuration and exception call stack.Failure is collected instruction and can be carried in PON-ID message, the 4-10 word of the PON-ID message The information type of the byte representation PON-ID message bearing in section is that failure collects instruction, at least one remaining table of bytes Show that the failure collects instruction.

OLT and ONT in the present embodiment can be combined into a kind of optical-fiber network information transmission system.In the embodiment of the present invention three All term explanation and illustrations be suitable for the present embodiment, and the method that all OLT in the embodiment of the present invention three are executed It can be executed by the OLT in the present embodiment, the method that all ONT in the embodiment of the present invention three are executed can be by this reality The ONT in example is applied to execute.

In the present embodiment, when OLT detects that ONT takes off pipe, OLT sends fault information collection to ONT by the channel PLOAM and refers to It enables, so that fault message is saved in non-volatile memory by ONT, fault message is lost after avoiding ONT power-off, convenient for remote Journey carries out positioning problems or reproduction after obtaining fault message, improves the efficiency for solving the problems, such as that ONT takes off pipe.

Figure 13 and Figure 14 is respectively the structural schematic diagram of another OLT that the embodiment of the present invention seven provides and another kind ONT, As shown, the OLT includes:

Receiver 131, the SN sent for receiving ONT by the channel PLOAM；

Processor 132, for distributing ID for the ONT, the ID and SN are corresponding；

Transmitter 133, for sending first message to ONT by the channel PLOAM, which carries the ID and installation Information, which includes following one: geographical location information, optical path uplink quality information, ranging information and the OLT of OLT Device descriptive information；

Memory 134, for storing program code；

Communication bus 135, for connecting receiver 131, processor 132, transmitter 133 and memory 134.

The ONT includes:

Transmitter 141, for sending SN to OLT by the channel PLOAM；

Receiver 142, the first message sent for receiving OLT by the channel PLOAM, which carries and SN phase Corresponding ID and mount message, which includes following one: the geographical location information of OLT, optical path uplink quality information, Ranging information and OLT device description information；

Memory 143, for storing mount message and program code；

Communication bus 144, for connecting transmitter 141, receiver 142 and memory 143.

Figure 15 is the structural schematic diagram for another OLT that the embodiment of the present invention eight provides, as shown, the OLT includes:

Processor 151, for detecting whether there is ONT to access ODN；

Transmitter 152, when having detected that ONT accesses ODN for processor 151, by the channel PLOAM to OLT connection The geographical location information of all ONT broadcast OLT；

Memory 153, for storing program code；

Communication bus 154, for connecting processor, transmitter and memory.

In above-mentioned OLT, optionally, processor 151 is specifically used for the ONT for detecting whether to install for the first time access ODN.Hair Emitter 152 can be broadcast periodically the geographical location information of OLT when having detected that ONT accesses ODN.

Figure 16 and Figure 17 is respectively the structural schematic diagram of another OLT that the embodiment of the present invention nine provides and another kind ONT, As shown, the OLT includes:

Transmitter 161 is instructed for being sent by the channel OMCI to ONT, is also used to determine the OLT when processor 162 When not receiving the response to described instruction within a preset time, failure collection is sent to the ONT by the channel PLOAM and is referred to It enables, failure collection instruction is used to indicate ONT and its fault message is stored on nonvolatile memory；

Processor 162, for determining whether OLT receives the response of instruction within a preset time；

Memory 163, for storing program code；

Communication bus 164, for connecting transmitter 161, processor 162 and memory 163.

Optionally, which further comprises:

Receiver 165, for receiving the confirmation message of ONT transmission, which indicates that fault message preservation finishes；

Transmitter 161 is also used to send instruction of restarting to ONT by the channel PLOAM, which is used to indicate ONT weight New starting；

Communication bus 164 is also used to connect receiver 165.

The ONT includes:

Receiver 171 collects instruction by the failure that the channel PLOAM is sent for receiving OLT, and receives OLT and send Instruction of restarting；

Nonvolatile memory 172, for storing program code and collecting the failure that instruction stores the ONT according to failure Information；

Processor 173, for being restarted ONT according to instruction of restarting；

Transmitter 174, for sending fault message to Network Management System；

Communication bus 175, for connecting receiver 171, processor 173, transmitter 174 and nonvolatile memory 172.

In above-mentioned OLT and ONT, optionally, program code can store its other than the nonvolatile memory 172 On the memory of his type.Optionally, fault message includes at least one of: the log log of ONT, current running configuration and Exception call stack.Failure is collected instruction and can be carried in PON-ID message, one in the 4-10 byte of the PON-ID message The information type of a byte representation PON-ID message bearing is that failure collects instruction, at least one remaining byte representation failure Collect instruction.

The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.

It should be understood that it is provided by the above embodiment close to business function entity realize user find method when, only The example of the division of the above functional modules, in practical application, can according to need and by above-mentioned function distribution by Different functional modules is completed, i.e., the internal structure of equipment is divided into different functional modules, described above complete to complete Portion or partial function.In addition, provided by the above embodiment find that embodiment of the method belongs to user close to business function entity Same design, specific implementation process are detailed in embodiment of the method, and which is not described herein again.

Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable It saves in medium, preservation medium mentioned above can be read-only conservator, disk or CD etc..

Claims

1. a kind of method for transmitting information in optical-fiber network characterized by comprising

Optical line terminal OLT has detected that ONT Optical Network Terminal ONT accesses Optical Distribution Network ODN；

The OLT manages and maintains the channel PLOAM by physical layer operations and broadcasts the OLT to all ONT of the OLT connection Geographical location information；

Wherein, the ONT is the ONT installed for the first time；

Wherein, the OLT broadcasts the geographical location information of the OLT by the channel PLOAM to all ONT of the OLT connection Include:

The OLT believes periodically by the channel PLOAM to the geographical location that all ONT of the OLT connection broadcast the OLT Breath.

2. disappearing the method according to claim 1, wherein the geographical location information of the OLT is carried on PON-ID In breath, the information type of PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message is The geographical location information of the OLT, the content of the geographical location information of OLT described at least one remaining byte representation.

3. a kind of method for transmitting information in optical-fiber network characterized by comprising

Optical line terminal OLT manages and controls the channel interface OMCI by ONT and sends instruction to ONT Optical Network Terminal ONT；

If the OLT does not receive the response to described instruction within a preset time, the OLT by physical layer operations management and Safeguard that instruction is collected to ONT transmission failure in the channel PLOAM, the failure collects instruction and is used to indicate the ONT for its event Hinder information preservation on nonvolatile memory.

4. according to the method described in claim 3, it is characterized in that, the fault message includes at least one of: the ONT Log log, current running configuration and exception call stack.

5. according to the method described in claim 3, it is characterized in that, the method further includes:

The OLT receives the confirmation message that the ONT is sent, and the confirmation message indicates that the fault message preservation finishes；

The OLT sends instruction of restarting to the ONT by the channel PLOAM, and the instruction of restarting is used to indicate the ONT Restarting；

The OLT indicates that the fault message is sent to Network Management System by the ONT.

6. according to the described in any item methods of claim 3-5 characterized by comprising the failure is collected instruction and carried In PON-ID message, the letter of PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message Ceasing type is that the failure collects instruction, and failure described at least one remaining byte representation collects the content of instruction.

7. a kind of method for transmitting information in optical-fiber network characterized by comprising

ONT Optical Network Terminal ONT receives the failure that optical line terminal OLT manages and maintains the transmission of the channel PLOAM by physical layer operations Collect instruction；

The ONT collects instruction according to the failure and its fault message is stored on nonvolatile memory；

The ONT receives the instruction of restarting that the OLT is sent；

The ONT is restarted according to the instruction of restarting；

The ONT sends the fault message to Network Management System.

8. the method according to the description of claim 7 is characterized in that the fault message includes at least one of: the ONT Log log, current running configuration and exception call stack.

9. method according to claim 7 or 8, which is characterized in that the failure is collected instruction and carried in PON-ID message In, the information type of PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message is institute It states failure and collects instruction, failure described at least one remaining byte representation collects the content of instruction.

10. a kind of optical line terminal OLT characterized by comprising

Processor, for detecting whether there is ONT Optical Network Terminal ONT to access Optical Distribution Network ODN；

When having detected that ONT accesses ODN for the processor, it is logical to manage and maintain PLOAM by physical layer operations for transmitter The geographical location information of the OLT is broadcasted to all ONT of the OLT connection in road；

Memory, for storing program code；

Communication bus, for connecting the processor, the transmitter and the memory；

Wherein, the ONT is the ONT installed for the first time；

Wherein, it is logical periodically by PLOAM when the transmitter has detected that ONT accesses ODN specifically for the processor The geographical location information of the OLT is broadcasted to all ONT of the OLT connection in road.

11. OLT according to claim 10, which is characterized in that the geographical location information of the OLT is carried on PON-ID and disappears In breath, the information type of PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message is The geographical location information of the OLT, the content of the geographical location information of OLT described at least one remaining byte representation.

12. a kind of optical line terminal OLT characterized by comprising

Transmitter sends instruction to ONT Optical Network Terminal ONT for managing and controlling the channel interface OMCI by ONT, is also used to work as When processor determines that the OLT does not receive the response to described instruction within a preset time, by physical layer operations management and Safeguard that instruction is collected to ONT transmission failure in the channel PLOAM, the failure collects instruction and is used to indicate the ONT for its event Hinder information preservation on nonvolatile memory；

Processor, for determining whether the OLT receives the response to described instruction within a preset time；

Memory, for storing program code；

Communication bus, for connecting the transmitter, the processor and the memory.

13. OLT according to claim 12, which is characterized in that the fault message includes at least one of: described The log log of ONT, current running configuration and exception call stack.

14. OLT according to claim 12, which is characterized in that the OLT further comprises:

Receiver, the confirmation message sent for receiving the ONT, the confirmation message indicate that the fault message has saved Finish；

The transmitter is also used to send instruction of restarting to the ONT by the channel PLOAM, and the instruction of restarting is for referring to Show the ONT restarting；

The communication bus is also used to connect the receiver.

15. the described in any item OLT of 2-14 according to claim 1 characterized by comprising the failure is collected instruction and carried In PON-ID message, PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message Information type is that the failure collects instruction, and failure described at least one remaining byte representation collects the content of instruction.

16. a kind of ONT Optical Network Terminal ONT characterized by comprising

Receiver is received for receiving optical line terminal OLT by the failure that physical layer operations manage and maintain the transmission of the channel PLOAM Collection instruction, and receive the instruction of restarting that the OLT is sent；

Nonvolatile memory, for storing program code and collecting the failure letter that instruction stores the ONT according to the failure Breath；

Processor, for being restarted the ONT according to the instruction of restarting；

Transmitter, for sending the fault message to Network Management System；

Communication bus, for connecting the receiver, the processor, the transmitter and the nonvolatile memory.

17. ONT according to claim 16, which is characterized in that the fault message includes at least one of: described The log log of ONT, current running configuration and exception call stack.

18. ONT according to claim 16 or 17 characterized by comprising the failure is collected instruction and carried in PON- In ID message, the info class of PON-ID message bearing described in a byte representation in the 4-10 byte of the PON-ID message Type is that the failure collects instruction, and failure described at least one remaining byte representation collects the content of instruction.