CN108574886A - Service management control method, OLT and ONU in passive optical network - Google Patents
Service management control method, OLT and ONU in passive optical network Download PDFInfo
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- CN108574886A CN108574886A CN201710131928.7A CN201710131928A CN108574886A CN 108574886 A CN108574886 A CN 108574886A CN 201710131928 A CN201710131928 A CN 201710131928A CN 108574886 A CN108574886 A CN 108574886A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Abstract
A kind of service management control method in passive optical network, including：Optical line terminal receives the registration of optical network unit；The optical line terminal sends service management message to the optical network unit, carries the condition for executing the service management message.The method of this programme overcomes existing passive optical network system that can interrupt the defect for the business that user is experiencing when executing Remote management operations, improves reputation of the user to Product Experience.
Description
Technical field
The present embodiments relate to but be not limited to the passive optical network field (PON) more particularly to a kind of passive optical network system
Service management control method, OLT and ONU in system.
Background technology
PON is the optical line terminal (OLT) at point-to-multipoint network, including central office, Optical Distribution Network (ODN), and
Optical network unit (ONU) at multiple users, Fig. 1 are PON system structural schematic diagram.Upstream data is with TDMA (Time Division
Multiple Access, time division multiple acess) mode, it is sent to OLT from ONU.Downlink data be broadcast to from OLT can reach it is each
At ONU.In order to preferably control, manage the lower multiple ONU hung, gigabit passive optical network (GPON) provides management and control
Interface (OMCI), Ethernet passive optical network (EPON) provide Operations, Administration and Maintenance mechanism (OAM).
In GPON systems, OLT is managed ONU by OMCI agreements, and the carrier of management is based on management entity
OMCI message.By issuing different OMCI message, a variety of remote managements may be implemented.Some of them management operation, can interrupt ONU
On the business that is currently running, for example, remote reboot (Reboot), remotely activation version (Activate image), management information
Library resets (MIB reset) etc..Similarly, in EPON system, certain remote managements can also interrupt the industry being currently running on ONU
Business.
If terminal user by ONU experience business, such as online (Internet), internet television (IPTV),
Wireless networking (WLAN) etc., OLT execute the management operation of remote reboot (Reboot) at this time, and ONU is immediately performed, then can interrupt use
The business at family causes user experience bad.
Invention content
The technical problem to be solved in the present invention is to provide in a kind of passive optical network service management control method,
OLT and ONU causes ONU to be immediately performed, interrupts the business of user, lead to user when executing Remote management operations to avoid OLT
It experiences bad.
A kind of service management control method in passive optical network, including：
Optical line terminal receives the registration of optical network unit；
The optical line terminal sends service management message to the optical network unit, carries the execution service management and disappears
The condition of breath.
Optionally, the condition for executing the service management message includes：Whether the optical network unit is in specified
State.
Optionally, the optical network unit whether in designated state include following any state：The optical-fiber network list
Whether member executes the state of specified services, and whether the optical network unit alarm status occurs, and whether the optical network unit goes out
Existing malfunction, the state whether the optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
Optionally, the service management message includes all types of message that the passive optical network is supported.
Optionally, the service management message includes following any message：Long-range activation version message, management information bank are multiple
Position message, remote reboot message.
Optionally, the passive optical network includes：Gbit passive optical network system or Ethernet passive optical network
System.
A kind of optical line terminal, including：
Registration module, the registration for receiving optical network unit；
Sending module carries the execution service management and disappears for sending service management message to the optical network unit
The condition of breath.
Optionally, the condition for executing the service management message includes：The optical network unit is in designated state.
Optionally, the optical network unit whether in designated state include following any state：The optical-fiber network list
Whether member executes the state of specified services, and whether the optical network unit alarm status occurs, and whether the optical network unit goes out
Existing malfunction, the state whether the optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
Optionally, the service management message includes all types of message that the passive optical network is supported, or
Person includes following any message：Long-range activation version message, management information bank reset message, remote reboot message.
A kind of service management control method in passive optical network, including：
Optical network unit receives the service management message that optical line terminal is sent, and carries and executes the service management message
Condition；
The optical network unit detects whether that satisfaction executes the condition of the service management message, the condition as described in meeting,
Then execute the instruction of the service management message；It is such as unsatisfactory for the condition, then refuses the finger for executing the service management message
It enables.
Optionally, the condition that the optical network unit executes the service management message includes：The optical network unit is
It is no to be in designated state；
The optical network unit is not at the designated state such as detection, then executes the instruction of the service management message,
It is such as in the designated state, then refuses the instruction for executing the service management message.
Optionally, the optical network unit whether in designated state include following any state：The optical-fiber network list
Whether member executes the state of specified services, and whether the optical network unit alarm status occurs, and whether the optical network unit goes out
Existing malfunction, the state whether the optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
Optionally, further include the optical-fiber network list after the optical network unit executes the instruction of the service management message
Member returns to executed response message to the optical line terminal；
After the optical network unit refusal executes the instruction of the service management message, further include：
The optical network unit returns to response message of doing to the optical line terminal.
Optionally, the passive optical network includes：Gbit passive optical network system or Ethernet passive optical network
System.
A kind of optical network unit, including：
Receiving module, the service management message for receiving optical line terminal transmission carry the execution service management and disappear
The condition of breath；
Execution module, for detecting whether meet the condition for executing the service management message, the condition as described in meeting, then
Execute the instruction of the service management message；It is such as unsatisfactory for the condition, then refuses the instruction for executing the service management message.
Optionally, the condition that the optical network unit executes the service management message includes：The optical network unit is
It is no to be in designated state；
The execution module is not at designated state specifically for the optical network unit as described in detection, then executes the industry
The instruction of business management message, is such as in designated state, then refuses the instruction for executing the service management message.
Optionally, the optical network unit whether in designated state include following any state：The optical-fiber network list
Whether member executes the state of specified services, and whether the optical network unit alarm status occurs, and whether the optical network unit goes out
Existing malfunction, the state whether the optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
Optionally, the execution module is additionally operable to after executing the instruction of the service management message, to optical link end
End returns to executed response message；Further include after the instruction of the refusal execution service management message：To the optical line terminal
Return to response message of doing.
To sum up, the embodiment of the present invention provides service management control method, OLT and the ONU in a kind of passive optical network,
Overcome existing passive optical network system that can interrupt the defect for the business that user is experiencing when executing Remote management operations, improves
Reputation of the user to Product Experience.
Description of the drawings
Fig. 1 is PON system structural schematic diagram；
Fig. 2 is the flow chart of the service management control method in a kind of passive optical network of the embodiment of the present invention one；
Fig. 3 is the flow chart of the service management control method in a kind of passive optical network of the embodiment of the present invention two；
Fig. 4 manages the interaction diagrams of ONU to be extended to existing message in the GPON systems of the embodiment of the present invention three；
Fig. 5 is the schematic diagram that extends OAMPDU frame format of the EPON system to software upgrading of the embodiment of the present invention six；
Fig. 6 is the schematic diagram of the OLT of the embodiment of the present invention seven；
Fig. 7 is the schematic diagram of the ONU of the embodiment of the present invention eight.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
Embodiment one
Fig. 2 is the flow chart of the service management control method in a kind of passive optical network of the embodiment of the present invention, such as
Shown in Fig. 2, the method for the present embodiment includes the following steps：
Step 11, OLT receive the registration of ONU；
Step 12, OLT send service management message to the ONU, carry the condition for executing the service management message.
Wherein, the condition for executing the service management message includes：Whether the optical network unit is in specified shape
State.
Whether the optical network unit is in the including but not limited to following any state of designated state：The optical-fiber network list
Whether member executes the state of specified services, and whether the optical network unit alarm status occurs, and whether the optical network unit goes out
Existing malfunction, the state whether the optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
The service management message includes but not limited to following any message：Long-range activation version message, management information bank
Reset message, remote reboot message.
The method of the present embodiment be suitable for passive optical network, especially suitable for Gbit passive optical network system or with
Too net passive optical network.
Embodiment two
Fig. 3 is the flow chart of the service management control method in a kind of passive optical network of the embodiment of the present invention, such as
Shown in Fig. 3, the method for the present embodiment includes：
Step 21, ONU receive the service management message that OLT is sent, and carry the condition for executing the service management message；
Step 22, ONU detect whether that the condition for meeting the execution service management message, the condition as described in meeting then are held
The instruction of the row service management message；It is such as unsatisfactory for the condition, then refuses the instruction for executing the service management message.
In an alternative embodiment, the condition that the ONU executes the service management message includes：Whether the ONU locates
In designated state；
The ONU is not at the designated state such as detection, then executes the instruction of the service management message, as being in institute
Designated state is stated, then refuses the instruction for executing the service management message.
In an alternative embodiment, after the ONU executes the instruction of the service management message, further include, to the OLT
Return to executed response message；
After the ONU refusals execute the instruction of the service management message, further include：
The ONU returns to response message of doing to the OLT.
Service management control method in a kind of passive optical network of the embodiment of the present invention, by management message into
Row extension, message body include the condition for executing the management message, and remote management order is selectively carrying out to control ONU.It is described
Condition is ONU particular states, is not limited to ONU service conditions.ONU inquires local state, when ONU sheets according to the condition of message body
When ground state meets condition, management operation is executed；When being unsatisfactory for, refusal executes management operation, and response is busy.
Using the method for the embodiment of the present invention, compared with prior art, the long-range of certain influence user experiences is being executed
When management operation, it can be executed according to ONU particular states, selectable condition；Rather than be immediately performed, user is interrupted just in body
The service tested improves reputation of the user to Product Experience.
The method of the present invention is described in detail with specific embodiment below.
Embodiment three is extended MIB Reset message in GPON systems
To ITU-T (standard branch office of international telecommunication union telecommunication) G.988 described basic messae types
MIB Reset message in (A.3Baseline message set) carries out extended below, Message contents (message
Content) increase Services are in progress (service is in progress) field (byte 9~10) newly, indicate that executing this disappears
It is the business that ONU is currently running that breath, which needs the condition being concerned about, the condition of the present embodiment,.Extend type of message
MIB Reset message spreading methods in (A.2Extended message set) are similar.
A.3.17MIB reset
Specific implementation step is as shown in figure 4, include the following steps：
Step 101, ONU are registered to OLT and are completed.
Step 102, OLT issue MIB Reset message, the byte 9 of message body according to MIB Reset message as defined above
The business that the operation is concerned about is indicated with 10 (Services are in progress).
After step 103, ONU receive MIB Reset message, whether just the business specified in MIB Reset message is inquired
It is running.
If the business specified in step 104, MIB Reset message is not run, it is immediately performed MIB Reset message
Instruction, and response OLT implementing results, conversely, refusal executes and response OLT does (Busy).
Example IV, the extension in GPON systems to Reboot message
To the Reboot in ITU-T G.988 described basic messae type (A.3Baseline message set)
Message carries out extended below, the newly-increased Services are in progress fields of Message contents (byte 10~
11), indicate that it is the business that ONU is currently running to execute the message to need the condition being concerned about, the condition of the present embodiment.Extension disappears
The Reboot message spreading methods ceased in type (A.2Extended message set) are similar.
A.3.35Reboot
Specific implementation step is as follows：
Step 201, ONU are registered to OLT and are completed.
Step 202, OLT issue Reboot message, the byte 10 and 11 of message body according to Reboot message as defined above
(Services are in progress) indicates the business that the operation is concerned about.
After step 203, ONU receive Reboot message, inquire whether the business specified in Reboot message is currently running.
If the business specified in step 204, Reboot message is not run, it is immediately performed and response OLT executes knot
Fruit, conversely, refusal executes and response OLT Busy.
Embodiment five, the extension in EPON system to Reboot message
It is right《China Telecom's EPON equipment technology requires V3.0》Reboot ONU operation carry out it is extended below, it is new to add
Variable Width (length of attribute or operation content) fields and newly-increased 16 fields (indicate that executing the message needs to be concerned about
Preset condition, 0 for the business currently without operation, be indifferent to, 1 is currently running for current business, be concerned about), this implementation it is pre-
If condition is the business that ONU is currently running.The extended method and Reboot ONU extension of message of other extension type of messages
Method is similar.
RebootONU Variable Discriptor formats
The operation object of this operation is ONU, without using managing the example index TLV (Type-Length- of object
Value, type-length-value).
Specific implementation step is as follows：
Step 301, ONU are registered to OLT and are completed；
Step 302, OLT issue RebootONU message according to RebootONU message as defined above, message body
The business that the operation of Variable Value content representations is concerned about；
After step 303, ONU receive RebootONU message, whether just the business specified in RebootONU message is inquired
It is running；
If the business specified in step 304, RebootONU message is not run, it is immediately performed and response OLT is executed
As a result, conversely, refusal execute and response OLT onuBusy (onuBusy can be extended according to telecommunication specification to be defined as
0x88), as shown in the table：
Embodiment six, extension of the EPON system to edition upgrading message
When ONU, which encounters more serious failure, needs upgrading that could solve the problems, such as in a hurry, current way is examined
Consider the influence to user, 2:00 AM or so can be selected to upgrade mostly.The present embodiment plan is extended upgrading message, increases
Add the business of care, in addition implementation strategy.When the ONU equipment of certain user is without when in use, so that it may be upgraded at any time with selection.This
A method can solve the problems, such as well.The OAMPDU frame formats for the software upgrading that China Telecom's specification defines are as shown in Figure 4：
As shown in figure 5, dotted line frame is the content of extension.Care for business field references upgrading message needs
The business of care indicates common ONU business with mask, and 0 indicates operation, and 1 indicates inoperative, is refused when business is currently running
OLT onuBusy are replied when absolutely, are described in detail below：
Embodiment seven
Fig. 6 is the schematic diagram of the OLT of the embodiment of the present invention, as shown in fig. 6, the OLT of the present embodiment includes：
Registration module 601, the registration for receiving ONU；
Sending module 602 carries for sending service management message to the ONU and executes the service management message
Condition.
Wherein, the condition for executing the service management message includes：The ONU is in designated state.
It includes but not limited to following any state that the ONU, which is in designated state,：Whether ONU executes the shape of specified services
Whether state, ONU there is alarm status, and whether ONU breaks down state, the state whether ONU voltages are stablized, the optical-fiber network list
The state whether elementary current is stablized.
Other than above-mentioned state, other states are can also be, as long as ONU is capable of detecting when that the state come could be provided as
Execute the execution condition of remote management and control order.
Embodiment eight
Fig. 7 is the schematic diagram of the ONU of the embodiment of the present invention, as shown in fig. 7, the ONU of the present embodiment includes：
Receiving module 701, the service management message for receiving optical line terminal transmission carry and execute the service management
The condition of message；
Execution module 702, for detecting whether meet the condition for executing the service management message, the item as described in meeting
Part then executes the instruction of the service management message；It is such as unsatisfactory for the condition, then refuses to execute the service management message
Instruction.
In an alternative embodiment, the condition that the optical network unit executes the service management message includes：The light
Whether network element is in designated state；
The execution module 702 is not at designated state, then described in execution specifically for the optical network unit as described in detection
The instruction of service management message is such as in designated state, then refuses the instruction for executing the service management message.
In an alternative embodiment, the execution module 702 is additionally operable to after executing the instruction of the service management message,
Executed response message is returned to the optical line terminal；Further include after the instruction of the refusal execution service management message：To
The optical line terminal returns to response message of doing.
For the OLT of the embodiment of the present invention by being extended to management message, message body includes the item for executing the management message
Part is selectively carrying out remote management order to control ONU.
Using the method for the embodiment of the present invention, compared with prior art, the long-range of certain influence user experiences is being executed
When management operation, it can be executed according to ONU particular states, selectable condition；Rather than be immediately performed, user is interrupted just in body
The service tested improves reputation of the user to Product Experience.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, the form that hardware may be used in each module/unit in above-described embodiment are realized, the shape of software function module can also be used
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
It these are only the preferred embodiment of the present invention, certainly, the invention may also have other embodiments, without departing substantially from this
In the case of spirit and its essence, those skilled in the art make various corresponding changes in accordance with the present invention
And deformation, but these corresponding change and deformations should all belong to the protection domain of appended claims of the invention.
Claims (19)
1. the service management control method in a kind of passive optical network, including：
Optical line terminal receives the registration of optical network unit；
The optical line terminal sends service management message to the optical network unit, carries and executes the service management message
Condition.
2. service management control method as described in claim 1, it is characterised in that：
The condition for executing the service management message includes：Whether the optical network unit is in designated state.
3. service management control method as claimed in claim 2, it is characterised in that：
The optical network unit whether in designated state include following any state：Whether the optical network unit, which executes, refers to
Determine the state of business, whether the optical network unit alarm status occurs, and whether the optical network unit breaks down state, institute
State the state whether optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
4. service management control method as described in any one of claims 1-3, it is characterised in that：
The service management message includes all types of message that the passive optical network is supported.
5. service management control method as described in any one of claims 1-3, it is characterised in that：
The service management message includes following any message：Long-range activation version message, management information bank reset message, remotely
Restart message.
6. service management control method as described in claim 1, it is characterised in that：
The passive optical network includes：Gbit passive optical network system or Ethernet passive optical network system.
7. a kind of optical line terminal, which is characterized in that including：
Registration module, the registration for receiving optical network unit；
Sending module carries for sending service management message to the optical network unit and executes the service management message
Condition.
8. optical line terminal as claimed in claim 7, it is characterised in that：
The condition for executing the service management message includes：The optical network unit is in designated state.
9. optical line terminal as claimed in claim 8, it is characterised in that：
The optical network unit whether in designated state include following any state：Whether the optical network unit, which executes, refers to
Determine the state of business, whether the optical network unit alarm status occurs, and whether the optical network unit breaks down state, institute
State the state whether optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
10. such as claim 7-9 any one of them optical line terminals, it is characterised in that：
The service management message includes all types of message that the passive optical network is supported, or including following
One message：Long-range activation version message, management information bank reset message, remote reboot message.
11. the service management control method in a kind of passive optical network, including：
Optical network unit receives the service management message that optical line terminal is sent, and carries the item for executing the service management message
Part；
The optical network unit detects whether that the condition for meeting the execution service management message, the condition as described in meeting then are held
The instruction of the row service management message；It is such as unsatisfactory for the condition, then refuses the instruction for executing the service management message.
12. service management control method as claimed in claim 11, it is characterised in that：
The condition that the optical network unit executes the service management message includes：Whether the optical network unit is in specified shape
State；
The optical network unit is not at the designated state such as detection, then executes the instruction of the service management message, such as locates
In the designated state, then refuse the instruction for executing the service management message.
13. service management control method as claimed in claim 12, it is characterised in that：
The optical network unit whether in designated state include following any state：Whether the optical network unit, which executes, refers to
Determine the state of business, whether the optical network unit alarm status occurs, and whether the optical network unit breaks down state, institute
State the state whether optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
14. such as claim 11-13 any one of them service management control methods, it is characterised in that：
After the optical network unit executes the instruction of the service management message, further include that the optical network unit is to the light
Line terminal returns to executed response message；
After the optical network unit refusal executes the instruction of the service management message, further include：
The optical network unit returns to response message of doing to the optical line terminal.
15. service management control method as claimed in claim 11, it is characterised in that：
The passive optical network includes：Gbit passive optical network system or Ethernet passive optical network system.
16. a kind of optical network unit, which is characterized in that including：
Receiving module, the service management message for receiving optical line terminal transmission carry and execute the service management message
Condition；
Execution module, for detecting whether meeting the condition for executing the service management message, the condition as described in meeting then executes
The instruction of the service management message；It is such as unsatisfactory for the condition, then refuses the instruction for executing the service management message.
17. optical network unit as claimed in claim 16, it is characterised in that：
The condition that the optical network unit executes the service management message includes：Whether the optical network unit is in specified shape
State；
The execution module is not at designated state specifically for the optical network unit as described in detection, then executes the business pipe
The instruction of message is managed, designated state is such as in, then refuses the instruction for executing the service management message.
18. optical network unit as claimed in claim 17, it is characterised in that：
The optical network unit whether in designated state include following any state：Whether the optical network unit, which executes, refers to
Determine the state of business, whether the optical network unit alarm status occurs, and whether the optical network unit breaks down state, institute
State the state whether optical network unit voltage is stablized, the state whether the optical network unit electric current is stablized.
19. such as claim 16-18 any one of them optical network units, it is characterised in that：
The execution module is additionally operable to after executing the instruction of the service management message, has been held to optical line terminal return
Row response message；Further include after the instruction of the refusal execution service management message：Response of doing is returned to the optical line terminal
Message.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131928.7A CN108574886B (en) | 2017-03-07 | 2017-03-07 | Service management control method, OLT and ONU in passive optical network system |
| PCT/CN2018/077493 WO2018161823A1 (en) | 2017-03-07 | 2018-02-28 | Service management control method, apparatus, and data storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131928.7A CN108574886B (en) | 2017-03-07 | 2017-03-07 | Service management control method, OLT and ONU in passive optical network system |
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| Publication Number | Publication Date |
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| CN108574886A true CN108574886A (en) | 2018-09-25 |
| CN108574886B CN108574886B (en) | 2022-03-01 |
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| CN110798514B (en) * | 2019-10-18 | 2022-09-27 | 中国联合网络通信集团有限公司 | Service processing method and device |
| CN113490081B (en) * | 2021-06-29 | 2024-05-07 | 青岛海信宽带多媒体技术有限公司 | ONU gateway and PON status lamp lighting method |
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| CN108574886B (en) | 2022-03-01 |
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