CN102857838B - The again configuration processing method of OLT end to the failure of ONU end parameter configuration - Google Patents
The again configuration processing method of OLT end to the failure of ONU end parameter configuration Download PDFInfo
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Abstract
The invention provides the again configuration processing method of a kind of OLT end to the failure of ONU end parameter configuration, it comprises: first plan the parameter configuration of optical network unit, then the parameter configuration state of fixed interval poll once all optical network units, if there is the parameter of configuration failure in one or a plurality of optical network unit, then configuration operation is again carried out to corresponding optical network unit parameter configuration, if configuration successful again, method ends flow process, if configure still unsuccessful again through plural number, then proceed to the processing procedure of parameter configuration failure.The method can solve the problem of OLT end to individual parameters configuration failure during ONU end parameter configuration in time.
Description
Technical field
EPON(Ethernet passive optical network belonging to the present invention) field local side OLT (optical line terminal) equipment and far-end ONU(optical network unit) treatment technology of parameter configuration between equipment.
Background technology
In EPON system, OLT end by OAM(OperationAdministrationandMaintenance, Operations, Administration and Maintenance) ONU of frame to far-end be managed for configuration.In engineering practice, often occur because OAM LOF or ONU end response timeout etc. cause the situation of configuration failure.
(1) OAM LOF:
Due to optical link reason, descending configuration OAM frame or up response OAM LOF, cause configuration failure or configuration flow failure;
(2) ONU end response timeout:
Due to ONUCPU processing delay or network congestion, up response OAM frame is caused not return in time.And upgoing O AM frame should return in 80ms, OLT end waits for OAM response frame time-out, causes configuration flow failure.
The consequence of individual parameters configuration failure: for Guangdong Donyan Network Technologies Co., Ltd. VISTA1600F type OLT device, have 40 PON(EPONs during full configuration) mouth, 1280 ONU can be supported at most.When needing after system electrification to recover the configuration of preserving to these 1280 ONU, in engineering practice, what often find that there is other ONU is configured in individually recovery configuring failure, causes service disconnection or ONU behavior not to meet expection.Because under OLT device, ONU is numerous, indivedual configuration failures of indivedual ONU are easy to out in the cold, cause user traffic flow obstructed, cause user's complaint or complain.
Therefore, to the problem of ONU individual parameters configuration failure, be necessary to carry out deeply and carefully processing.A kind of complete processing method is proposed in the present invention.
Summary of the invention
Technical problem to be solved by this invention is: provide the again configuration processing method of OLT end to the failure of ONU end parameter configuration, and the method can solve the problem of OLT end to individual parameters configuration failure during ONU end parameter configuration in time.
The technical solution adopted in the present invention is: the again configuration processing method of OLT end to the failure of ONU end parameter configuration, it comprises: first plan the parameter configuration of optical network unit, then the parameter configuration state of fixed interval poll once all optical network units, if there is the parameter of configuration failure in one or a plurality of optical network unit, then configuration operation is again carried out to corresponding optical network unit parameter configuration, if configuration successful again, method ends flow process, if configure still unsuccessful again through plural number, then proceed to the processing procedure of parameter configuration failure.
Described method, the method that the parameter configuration of optical network unit is planned is comprised: first organize according to the attribute of single parameter, then all parameter group on single optical network unit are made into list structure, then according to parameter chained list and parameter configuration state, the state information to this optical network unit is organized, and is then assembled into optical network unit parameter configuration list array to the state information of all optical network units that whole light device terminal configures.
Described method, the attribute of single parameter comprises: the processing policy after the query manipulation function of the value of the numbering of parameter or title, parameter, the configuration operation function of parameter, parameter, parameter configuration state and parameter configuration failure.
Described method, the state information of single optical network unit comprises: the completion status of optical network unit (ONU) registration state, initial configuration, the configuration status of all parameters, configuration failure number of times and parameter chained list.
Described method, the method of optical network unit parameter configuration being carried out again to configuration operation comprises: before certain parameter configuration to optical network unit, first from optical network unit, this parameter configuration is read, if the parameter configuration read is identical with wishing the configuration issued, this parameter once configuration successful is described; If the configuration that the parameter configuration read issues with hope is not identical, then execution parameter configuration distributing operation.
Described method, the number of times configured again optical network unit is four times, the 1st time interval 100ms, At All Other Times interval 1s.
Described method, the processing policy of parameter configuration failure comprises: ignore configuration failure event, notice user's manual handle or this optical network unit of system autoboot.
Described method, when the final still configuration failure of parameter configuration, recording light network element parameter configuration failure daily record, the structure of this daily record sees the following form:
| Sequence number | Title | Data type | Byte number | Example | Describe |
| 1 | Time | Character string | 19 | 1970-01-01 00:03:29 | |
| 2 | Output priority | Integer | 1 | 3 | |
| 3 | Search key | Character string | 8 | CFG_FAIL | |
| 4 | The position of ONU | Character string | 8 | 01/01/01 | |
| 5 | ONU mac | Character string | 17 | 00:1d:2b:02:12:01 | |
| 6 | Parameter coding | Integer | 2 | f004 | |
| 7 | The currency of parameter | Character string | 64 | ||
| 8 | The desired value of parameter | Character string | 64 | ||
| 9 | Configuration function return code | Integer | 2 |
Described method, specifically comprises the following steps:
S0) parameter configuration of topological structure to optical network unit according to Ethernet passive optical network is planned, be packaged into optical network unit parameter configuration list array;
S1) in OLT system, set up independently thread or a task, at interval of 5 minutes, all parameter configuration states of all optical network units in poll optical network unit parameter configuration list array, if certain optical network unit has succeeded in registration and has executed configuration flow, but certain parameter configuration failure, then enter next step;
S2) first perform query manipulation, from optical network unit, read designated parameter configuration, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;
S3) " parameter of optical network unit configuration failure configures again " message is reported to network management system;
S4) again issue the parameter of configuration failure the 1st time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 100ms, enter next step;
S5) perform configuration operation, read designated parameter configuration from optical network unit, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;
S6) again issue the parameter of configuration failure the 2nd time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 1s, enter next step;
S7) perform query manipulation, read designated parameter configuration from optical network unit, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;
S8) again issue the parameter of configuration failure the 3rd time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 1s, enter next step;
S9) " optical network unit is configuration failure again " alarm is reported to network management system;
S10) according to log information definition format, log information is organized, recording light network element parameter configuration failure log recording;
S11) according to optical network unit parameter configuration failure handling strategy, relevant action is performed: if processing policy is " ignoring ", anything will not be done; If processing policy is " prompting user process ", the alarm of prompting user process will be sent to network management system; If processing policy is " autoboot ", this optical network unit will be restarted;
S12) put optical network unit parameter configuration Success Flag, report " optical network unit parameter configuration successful again " message to network management system.
Advantage of the present invention: the invention solves the problem of OLT end to individual parameters configuration failure during ONU end parameter configuration, for the ONU of final configuration failure, automatically can process according to failure handling decision-making mechanism, or remind webmaster personnel know and make relevant treatment, and can automatically record dependent event daily record, the tracking inquiry of convenient problem afterwards.
Accompanying drawing explanation
Fig. 1 is parameter configuration failure handling flow process.
Fig. 2 is the configuration failure warning figure during webmaster mandate ONU shows.
Fig. 3 is the configuration failure warning figure on network management topological tree.
Fig. 4 is the configuration failure warning figure on webmaster working space ONU icon.
Embodiment
The present invention, by the list of automatic regular polling ONU parameter configuration, adopts repeatedly configuration mechanism to the individual parameters of configuration failure, and maximum 4 configurations are carried out at interval, substantially can ensure parameter configuration success.For the situation of extreme indivedual configuration failure, according to failure handling decision-making mechanism, the mode such as " ignoring ", " prompting user processes by hand ", " autoboot " is adopted to process.Meanwhile, at network management interface, the present invention adopts eye-catching alarm icon, and warning webmaster personnel pay close attention to configuration failure event.In addition, in the present invention, to configuration failure event, carry out detailed log recording, facilitated ex-post analysis.
The present invention is described in further detail below with embodiment and accompanying drawing.
(1) OLT system parameter attribute planning:
1, the integrated planning of ONU configurable parameter:
According to ONU hardware implementing, arrange out all configurable parameters, capacity and constraints that ONU hardware entities can provide, these configurable parameters are classified, planned, finally organize an ONU configurable parameter list document.
2, ONU configurable parameter list:
(1) single parameter should comprise 6 attributes below:
The numbering of ■ parameter or title, carry out query argument by the numbering of parameter or title;
The value of ■ parameter can be integer, character string, bitmap or a structure;
The set handling function of ■ parameter;
The get handling function of ■ parameter;
■ parameter configuration state, has three kinds of states: not yet perform configuration, configuration successful, configuration failure;
Processing policy after the failure of ■ parameter configuration, has three kinds of strategies: ignore, point out user to restart, autoboot;
The structure of single parameter:
structparameter_attribute
{
Intmagic; / * parameter numbering or title */
Intpolicy; Processing policy * after/* configuration failure/
Intstatus; / * parameter configuration state, comprise not yet perform action of configuration, configuration successful, configuration failure */
Int (* func_get) (void*); The set handling function * of/* parameter/
Int (* func_set) (void*); The get handling function * of/* parameter/
Void*value; The value of/* parameter, data type be integer, array, bitmap or structure */
Structparameter_attribute*next; / * point to the pointer * of next argument structure body/
}
Some parameter and other parameter have strict configuration sequence or have strict dependence with other parameter, at this moment need by the binding of these parameters integrally, to configure together as an argument structure.
(2) table of all configurable parameters on single ONU,
■ ONU login state, ONU is unregistered or has registered;
Whether ■ initial configuration completes, and after ONU powers on, whether the parameter be kept in file system is all configured to ONU hardware;
■ parameter configuration state, the whether whole configuration successful of all parameters;
Which time repeated configuration ■ configuration failure number of times, if there is parameter configuration failure, is at present;
The chained list of all configurable parameters on ■ ONU;
The structure of configurable parameter on single ONU:
structonu_parameter
{
Intreg_status; / * ONU login state: unregistered, register */
Intinit_cfg_finished; / * ONU initial configuration flow process is complete, and=1, complete;=0, do not complete */
Intcfg_status; The all parameters of/* whether configuration successful */
Intcfg_count; If/* has parameter configuration failure, be at present which time repeated configuration */
Structparameter_attribute*param; The chained list * of all parameters of/* ONU/
}
(3) list of all ONU parameters in whole OLT system:
ONU parameter lists all in whole OLT system, assembles in the mode of array, for Guangdong Donyan Network Technologies Co., Ltd. OLTVISTA1600F:
structonu_parameterall_onu_param[10][4][32]；
32 represent ONU sequence number, and 4 represent PON port sequence number on PON dish, and 10 represent slot, PON dish place sequence number.
(2) parameter configuration operational motion design:
In the present invention, to the configuration of any parameter of ONU, adopt and first perform query manipulation, perform the strategy of configuration operation again.Before to certain parameter configuration of ONU, first reading this parameter configuration from ONU, if the parameter configuration read is identical with wishing the configuration issued, this parameter once configuration successful being described, no longer execution parameter configuration distributing operation.If the configuration that the parameter configuration read issues with hope is not identical, then execution parameter configuration distributing operation.
(3) retransmission mechanism design:
When after certain parameter of ONU first configuration failure, in the present invention, adopt following configuration mechanism again.
1, altogether configure four times;
2, first after configuration failure, time delay 100ms, carries out the 2nd configuration;
3, after the 2nd configuration failure, time delay 1s, carries out the 3rd configuration;
4, after the 3rd configuration failure, time delay 1s, carries out the 4th configuration;
5, after the 4th configuration failure, no longer repeated configuration, by the processing policy of execution parameter configuration failure.
(4) processing policy of ONU parameter configuration failure:
When after certain parameter the 4th configuration failure of ONU, be just necessary reasonably to process this ONU.According to the importance rate of institute's configuration parameter in the present invention, define the processing policy after the failure of ONU parameter configuration.
1, ignore configuration failure event, be left intact, if this parameter does not affect data communication feature;
2, notice user, decide whether restart ONU in its sole discretion by user, if this parameter logistic has certain influence according to communication performance, but do not affect user network use;
3, this ONU of autoboot, send the alarm of parameter configuration failure autoboot, if this parameter logistic has a strong impact on according to communication performance, user network uses and there will be fault, can cause customer complaint.
(5), network management interface alarm design:
For " failure of ONU parameter configuration " alarm, this alarm and this alarm of process in time can be paid close attention in time in order to webmaster personnel can be warned, in the present invention, specialized designs carried out to " failure of ONU parameter configuration " alarm display on network management interface.
1, during webmaster mandate ONU shows:
Increase a hurdle " configuration status ", indicate ONU parameter whether all configuration successful.Configuration successful, mark " READY "; Configuration failure, with surplus of red end mark " NOREADY ", refers to Fig. 2.
2, in network management topological tree table:
On ONU icon, if the whole configuration successful of ONU parameter, ONU icon shows normal grey; If there is parameter configuration failure, the display of ONU icon is red, and has yellow exclamation mark alarm identifier, as shown in Figure 3.
3, on webmaster working space ONU icon:
On webmaster working space ONU icon, if the whole configuration successful of ONU parameter, ONU icon shows normal grey; If there is parameter configuration failure, the display of ONU icon is red, and has yellow exclamation mark alarm identifier, as shown in Figure 4.
(6), log information format design:
For " failure of ONU parameter configuration " log recording, in journal file, conveniently search for this record in the future and control the output in journal file of this record, in the present invention, specialized designs is carried out to " failure of ONU parameter configuration " log information form, refers to following table:
| Sequence number | Title | Data type | Byte number | Example | Describe |
| 1 | Time | Character string | 19 | 1970-01-01 00:03:29 | |
| 2 | Output priority | Integer | 1 | 3 | |
| 3 | Search key | Character string | 8 | CFG_FAIL | |
| 4 | The position of ONU | Character string | 8 | 01/01/01 | |
| 5 | ONU mac | Character string | 17 | 00:1d:2b:02:12:01 | |
| 6 | Parameter coding | Integer | 2 | f004 | |
| 7 | The currency of parameter | Character string | 64 | ||
| 8 | The desired value of parameter | Character string | 64 | ||
| 9 | Configuration function return code | Integer | 2 |
1, log information format description:
(1) writing time, 19 byte character strings, such as: 1970-01-0100:03:29;
(2) output priority of log information, 1 byte integer, value 1..7;
(3) search key of log information, 8 byte character strings, such as: CFG_FAIL;
(4) position of ONU, 8 byte character strings, such as: 01/01/01, represent the 1#ONU under the 1#PON mouth of 1# slot;
(5) the mac(media interviews of ONU control) address, 17 byte character strings, such as: 00:1d:2b:02:12:01
(6) parameter coding, 2 byte integer, such as: f004;
(7) currency of parameter;
(8) desired value of parameter;
(9) configuration function failure return code, 2 byte integer, refer to form below;
2, configuration function failure return code illustrates:
| Value (16 system) | Implication |
| 0000 | OK, parameter configuration success, inerrancy |
| 0001 | Configuration parameter is not supported, may be to have issued wrong parameter |
| 0002 | The value of parameter goes beyond the scope |
| 0003 | Configuration failure may be that OLT performs failure |
| 0004 | OLT does not have enough resources to perform current configuration |
| 0005 | , there is a mistake, this mistake but program can not be classified in unknown error |
| 0006 | The parameter transmitted very little |
| 0007 | ONU does not reply |
| 0008 | ONU returns a mistake, or the return value of ONU cannot be resolved |
(7) parameter configuration failure handling flow process:
The present invention sets up independently thread or a task in OLT system, at interval of 5 minutes, and all parameter configuration states of all ONU in poll ONU configuration parameter list all_onu_param.If certain ONU has succeeded in registration and has executed configuration flow, but certain parameter configuration failure, then parameter configuration failure handling flow process is below performed to this ONU.
Step 1, first performs get operation, reads designated parameter configuration from ONU, if the parameter configuration read is identical with wishing the configuration issued, then illustrates that this parameter has issued successfully, puts configuration successful mark, jump to step 11 and perform, otherwise perform step 2;
Step 2, reports " parameter of ONU configuration failure configures again " message to webmaster;
Step 3, again issues the parameter of configuration failure for the 2nd time, if this configuration successful, jumps to step 11 and perform; If this configuration failure, postpone 100ms, perform step 4;
Step 4, performs get operation, reads designated parameter configuration from ONU, if the parameter configuration read is identical with wishing the configuration issued, then illustrates that this parameter has issued successfully, puts configuration successful mark, jump to step 11 and perform, otherwise perform step 5;
Step 5, again issues the parameter of configuration failure for the 3rd time, if this configuration successful, jumps to step 11 and perform; If this configuration failure, postpone 1s, perform step 6;
Step 6, performs get operation, reads designated parameter configuration from ONU, if the parameter configuration read is identical with wishing the configuration issued, then illustrates that this parameter has issued successfully, puts configuration successful mark, jump to step 11 and perform, otherwise perform step 7;
Step 7, the 4th issues the parameter of configuration failure again, if this configuration successful, jumps to step 11 and performs; If this configuration failure, postpone 1s, perform step 8;
Step 8, reports " ONU is configuration failure again " alarm to webmaster.In webmaster mandate ONU shows, be coated with red ONU configuration status hurdle background, put " ONREADY " printed words; In network management topological tree table, on webmaster working space ONU icon, be coated with red ONU icon background, put yellow parameter configuration failure alarm mark;
Step 9, according to log information definition format, organizes log information, record ONU parameter configuration failure log recording;
Step 10, according to ONU parameter configuration failure handling strategy, performs relevant action.If processing policy is " ignoring ", anything will not be done; If processing policy is " prompting user process ", the alarm of prompting user process will be sent to webmaster; If process test is " autoboot ", this ONU will be restarted.
Step 11, puts ONU parameter configuration Success Flag, reports " ONU parameter configuration successful again " message to webmaster.
Claims (1)
- The again configuration processing method of 1.OLT end to the failure of ONU end parameter configuration, it is characterized in that comprising: first plan the parameter configuration of optical network unit, then the parameter configuration state of fixed interval poll once all optical network units, if there is the parameter of configuration failure in one or a plurality of optical network unit, then configuration operation is again carried out to corresponding optical network unit parameter configuration, if configuration successful again, method ends flow process, if configure still unsuccessful again through plural number, then proceed to the processing procedure of parameter configuration failure;The method that the parameter configuration of optical network unit is planned is comprised: first organize according to the attribute of single parameter, then all parameter group on single optical network unit are made into list structure, then according to parameter chained list and parameter configuration state, the state information to this optical network unit is organized, and is then assembled into optical network unit parameter configuration list array to the state information of all optical network units that whole light device terminal configures; The attribute of single parameter comprises: the processing policy after the query manipulation function of the value of the numbering of parameter or title, parameter, the configuration operation function of parameter, parameter, parameter configuration state and parameter configuration failure; The state information of single optical network unit comprises: the completion status of optical network unit (ONU) registration state, initial configuration, the configuration status of all parameters, configuration failure number of times and parameter chained list;The method of optical network unit parameter configuration being carried out again to configuration operation comprises: before certain parameter configuration to optical network unit, first from optical network unit, this parameter configuration is read, if the parameter configuration read is identical with wishing the configuration issued, this parameter once configuration successful is described; If the configuration that the parameter configuration read issues with hope is not identical, then execution parameter configuration distributing operation; The number of times configured again optical network unit is four times, the 1st time interval 100ms, At All Other Times interval 1s;The processing policy of parameter configuration failure comprises: ignore configuration failure event, notice user's manual handle or this optical network unit of system autoboot; When the final still configuration failure of parameter configuration, recording light network element parameter configuration failure daily record, the structure of this daily record sees the following form:
Sequence number Title Data type Byte number Example Describe 1 Time Character string 19 1970-01-01 00:03:29 2 Output priority Integer 1 3 3 Search key Character string 8 CFG_FAIL 4 The position of ONU Character string 8 01/01/01 5 ONU mac Character string 17 00:1d:2b:02:12:01 6 Parameter coding Integer 2 f004 7 The currency of parameter Character string 64 8 The desired value of parameter Character string 64 9 Configuration function return code Integer 2 ；This OLT end specifically comprises the following steps the configuration processing method again of ONU end parameter configuration failure:S0) parameter configuration of topological structure to optical network unit according to Ethernet passive optical network is planned, be packaged into optical network unit parameter configuration list array;S1) in OLT system, set up independently thread or a task, at interval of 5 minutes, all parameter configuration states of all optical network units in poll optical network unit parameter configuration list array, if certain optical network unit has succeeded in registration and has executed configuration flow, but certain parameter configuration failure, then enter next step;S2) first perform query manipulation, from optical network unit, read designated parameter configuration, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;S3) " parameter of optical network unit configuration failure configures again " message is reported to network management system;S4) again issue the parameter of configuration failure the 1st time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 100ms, enter next step;S5) perform configuration operation, read designated parameter configuration from optical network unit, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;S6) again issue the parameter of configuration failure the 2nd time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 1s, enter next step;S7) perform query manipulation, read designated parameter configuration from optical network unit, if the parameter configuration read is identical with wishing the configuration issued, then illustrate that this parameter has issued successfully, put configuration successful mark, jump to step S12 and perform, otherwise enter next step;S8) again issue the parameter of configuration failure the 3rd time, if this configuration successful, jump to step S12 and perform; If this configuration failure, postpone 1s, enter next step;S9) " optical network unit is configuration failure again " alarm is reported to network management system;S10) according to log information definition format, log information is organized, recording light network element parameter configuration failure log recording;S11) according to optical network unit parameter configuration failure handling strategy, relevant action is performed: if processing policy is " ignoring ", anything will not be done; If processing policy is " prompting user process ", the alarm of prompting user process will be sent to network management system; If processing policy is " autoboot ", this optical network unit will be restarted;S12) put optical network unit parameter configuration Success Flag, report " optical network unit parameter configuration successful again " message to network management system.
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| CN103475517B (en) * | 2013-09-04 | 2016-06-29 | 青岛海信宽带多媒体技术有限公司 | Optical network terminal and hardware configuration parameter storing method thereof |
| CN103517164B (en) * | 2013-10-25 | 2016-03-09 | 和记奥普泰通信技术有限公司 | A kind of optical network unit data configuration control method |
| CN103647672A (en) * | 2013-12-20 | 2014-03-19 | 上海斐讯数据通信技术有限公司 | Network equipment configuration method and system |
| CN103701956B (en) * | 2014-01-06 | 2017-03-15 | 广东东研网络科技股份有限公司 | The implementation method of communication is extended between a kind of OLT and ONU |
| CN104010235B (en) * | 2014-06-17 | 2018-01-05 | 成都广达新网科技股份有限公司 | A kind of OAM clients control information exchange method |
| CN104954171A (en) * | 2015-05-15 | 2015-09-30 | 上海斐讯数据通信技术有限公司 | Optical network unit alarm configuration sending down system and optical network unit alarm configuration sending down method based on single linked list |
| CN105337663B (en) * | 2015-09-30 | 2017-09-29 | 上海斐讯数据通信技术有限公司 | A kind of method and system of optical transceiver alarming threshold configuration |
| CN107038645B (en) * | 2016-12-21 | 2021-04-23 | 创新先进技术有限公司 | Service processing method, device and system and server |
| CN109600445B (en) * | 2018-12-18 | 2021-06-15 | 深圳创维数字技术有限公司 | ONU configuration parameter debugging method, device, ONU and storage medium |
| CN110677748B (en) * | 2019-09-06 | 2022-03-11 | 四川天邑康和通信股份有限公司 | Safety risk control method for GPON optical modem |
| CN111107452B (en) * | 2020-01-15 | 2021-11-16 | 中天通信技术有限公司 | Gateway information generation method of PON terminal equipment ONU and related equipment |
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