CN109560873B - Optical line terminal OLT and dormancy control method and control device thereof - Google Patents

Optical line terminal OLT and dormancy control method and control device thereof Download PDF

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CN109560873B
CN109560873B CN201710871771.1A CN201710871771A CN109560873B CN 109560873 B CN109560873 B CN 109560873B CN 201710871771 A CN201710871771 A CN 201710871771A CN 109560873 B CN109560873 B CN 109560873B
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bit rate
onu
laser
olt
sleep
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CN109560873A (en
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杜喆
蒋铭
沈成彬
汪国荣
朱俊
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • 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
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • 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
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/08—Power supply

Abstract

The application provides an optical line terminal OLT and a dormancy control method and a dormancy control device thereof, and relates to the field of optical communication. The OLT sleep control method comprises the following steps: the OLT determines that no ONU which works at the bit rate of 10G is on line currently; and if the registration request of the ONU working at the 10G bit rate is not received within the first preset time, controlling the 10G bit rate laser to sleep. By the method, when the OLT determines that no ONU which works at the 10G bit rate is online within a certain time, the OLT can control the 10G bit rate laser to sleep, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, faults caused when a non-10G PON terminal receives light with various downlink working wavelengths are avoided.

Description

Optical line terminal OLT and dormancy control method and control device thereof
Technical Field
The present application relates to the field of Optical communications, and in particular, to an OLT (Optical Line Terminal), a sleep control method thereof, and a control apparatus thereof.
Background
In a 10G-EPON (Ethernet Passive Optical Network)/Combo PON (Combo Passive Optical Network), an OLT (Optical line terminal) has multiple rate lasers including a 10G bit rate laser and a 1G bit rate laser for supporting user traffic with different bandwidth requirements.
At the initial stage of developing Gigabit broadband construction, broadband terminals are provided for users as required, under the common condition, users still use the original EPON or GPON (Gigabit-Capable Passive Optical Network, Gigabit Passive Optical Network) ONU (Optical Network Unit) terminals, and only when Gigabit broadband service is to be opened, the PON ONU terminals are changed to 10G PON ONU terminals.
Disclosure of Invention
The applicant finds that, in a gigabit optical network, lasers at various rates of a central office 10G PON OLT are in an operating state, and in practical application, because the number of 10G PON ONU terminals is small, a large amount of resources are wasted, and meanwhile, a fault may be caused when a non-10G PON terminal (e.g. a 1G PON terminal) receives light with two downstream operating wavelengths.
An object of the present application is to reduce the energy loss of the OLT and to improve the operating life of the OLB laser.
According to an aspect of the present application, an OLT sleep control method is provided, including: the OLT determines that no ONU which works at the bit rate of 10G is on line currently; and if the registration request of the ONU working at the 10G bit rate is not received within the first preset time, controlling the 10G bit rate laser to sleep.
Optionally, the method further comprises: if a registration request is received from an ONU operating at a bit rate of 10G, a bit rate of 10G laser is activated.
Optionally, the method further comprises: if an activation instruction is received from an EMS (Element Management System) and/or from a control terminal, the 10G bit rate laser is activated.
Optionally, the method further comprises: and if the sleep time of the 10G bit rate laser reaches a second preset time, activating the 10G bit rate laser.
Optionally, the determining, by the OLT, that no ONU currently operating at the bit rate of 10G is online includes: the OLT determines that no ONU operating at the 10G bit rate is on-line by a predetermined frequency or periodic detection.
Optionally, the determining, by the OLT, that no ONU currently operating at the bit rate of 10G is online includes: when the OLT determines that only one ONU working at the bit rate of 10G is online, if a power-down alarm from the ONU working at the bit rate of 10G is received, it is determined that no ONU working at the bit rate of 10G is online currently.
Optionally, the method further comprises: if the number of times that the 10G bit rate laser continuously enters the sleep state reaches the preset number of times, controlling the 10G bit rate laser to deeply sleep; and if the deep sleep time of the 10G bit rate laser reaches the third preset time, activating the 10G bit rate laser.
By the method, when the OLT determines that no ONU which works at the 10G bit rate is online within a certain time, the OLT can control the 10G bit rate laser to sleep, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, faults caused when a non-10G PON terminal receives light with various downlink working wavelengths are avoided.
According to another aspect of the present application, an OLT sleep control apparatus is provided, including: the online ONU number determining unit is used for determining that no ONU which works at the bit rate of 10G is online currently; and the laser control unit is used for controlling the 10G bit rate laser to sleep when the registration request of the ONU working at the 10G bit rate is not received within the first preset time under the condition that the ONU working at the 10G bit rate is not on line.
Optionally, the laser control unit is further configured to: the 10 gigabit rate laser is activated when a registration request is received from an ONU operating at 10 gigabit rate and/or an activation instruction is received from the EMS and/or from the control terminal.
Optionally, the laser control unit is further configured to activate the 10G bit rate laser when the 10G bit rate laser sleep duration reaches a second predetermined time.
Optionally, the online ONU number determining unit is configured to: it is determined by a predetermined frequency or periodic detection that no ONU operating at the 10G bit rate is on-line.
Optionally, the online ONU number determining unit is configured to: when only one ONU which works at the 10G bit rate is determined to be on line, if a power failure alarm from the ONU which works at the 10G bit rate is received, the ONU which does not work at the 10G bit rate is determined to be on line currently.
Optionally, the laser control unit is further configured to: when the number of times that the 10G bit rate laser continuously enters the sleep state reaches a preset number of times, controlling the 10G bit rate laser to deeply sleep; and when the deep sleep duration of the 10G bit rate laser reaches a third preset time, activating the 10G bit rate laser.
According to another aspect of the present application, an OLT sleep control apparatus is provided, including: a memory; and a processor coupled to the memory, the processor configured to perform any one of the OLT sleep control methods described above based on instructions stored in the memory.
The dormancy control device of the OLT can control the 10G bit rate laser to be dormant when the ONU which does not work at the 10G bit rate is determined to be online within a certain time, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, the fault caused when the non-10G PON terminal receives light with various downlink working wavelengths is avoided.
According to yet another aspect of the present application, a computer-readable storage medium is proposed, on which computer program instructions are stored, which instructions, when executed by a processor, implement the steps of any of the above OLT sleep control methods.
By executing the instructions on the computer-readable storage medium, when it is determined that the ONU which is not operating at the 10G bit rate is online within a certain time period, the 10G bit rate laser can be controlled to sleep, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, a fault caused when a non-10G PON terminal receives light with multiple downstream operating wavelengths is avoided.
Further, according to an aspect of the present application, an OLT is provided, including any one of the OLT sleep control apparatuses mentioned above; and, a 10G bit rate laser.
The OLT can determine that the ONU which does not work at the 10G bit rate is online within a certain time period, and control the 10G bit rate laser to sleep, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, faults caused when the non-10G PON terminal receives light with various downlink working wavelengths are avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of an embodiment of an OLT sleep control method according to the present application.
Fig. 2 is a flowchart of another embodiment of an OLT sleep control method according to the present application.
Fig. 3 is a flowchart of another embodiment of an OLT sleep control method according to the present application.
Fig. 4 is a schematic diagram of an embodiment of an OLT sleep control apparatus according to the present application.
Fig. 5 is a schematic diagram of another embodiment of an OLT sleep control apparatus according to the present application.
Fig. 6 is a schematic diagram of another embodiment of an OLT sleep control apparatus according to the present application.
Fig. 7 is a schematic diagram of an embodiment of an OLT according to the present application.
Fig. 8 is a schematic diagram of an embodiment of a usage environment of an OLT according to the present application.
Detailed Description
The technical solution of the present application is further described in detail by the accompanying drawings and examples.
In the network construction process, when the existing EPON/GPON OLT is upgraded to a 10G-EPON or XG-PON OLT on the basis of the existing EPON/GPON OLT, the existing EPON or GPON ONU terminal is used for the old, and the existing 1G PON ONU terminal is upgraded to the 10G PON terminal as required only when the broadband service of a user is accelerated and the existing 1G PON ONU terminal cannot meet the requirement of opening higher-rate service. Therefore, in the initial stage of the 10G PON OLT upgrading, an operator mainly performs scale coverage construction of local side OLT equipment, and a current network deploys a large number of application or EPON or GPON ONU terminals, only a small number of 10G PON ONU terminals are online, and no matter whether the 10G PON ONU terminals are online or not, a 10G bit rate laser (with a central wavelength of 1577nm) of the XG-PON OLT of the 10G-EPON or dual-module optical module is always in an invalid working state.
Fig. 1 is a flowchart of an embodiment of an OLT sleep control method according to the present application.
In step 101, the OLT determines that no ONU currently operating at the 10G bit rate is online. In one embodiment, the OLT may determine that no ONU operating at the 10G bit rate is online by means of a predetermined frequency or periodic detection.
In step 102, it is determined whether a registration request of an ONU operating at a bit rate of 10G is received within a first predetermined time. If receiving a registration request from an ONU working at a bit rate of 10G, processing the registration request; if no registration request is received from an ONU operating at 10G bit rate, step 103 is executed. In one embodiment, the first predetermined time may be determined and configured according to experimental tests, simulations, or experience, such as 200-500 seconds, and preferably 300 seconds.
In step 103, the 10G bit rate laser is controlled to sleep.
By the method, when the OLT determines that no ONU which works at the 10G bit rate is online within a certain time, the OLT can control the 10G bit rate laser to sleep, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, faults caused when a non-10G PON terminal receives light with various downlink working wavelengths are avoided.
In one embodiment, when the OLT determines that only one ONU operating at the bit rate of 10G is online, if a power-down alarm is received from the ONU operating at the bit rate of 10G, it is determined that no ONU operating at the bit rate of 10G is online currently. By the method, the OLT can timely find that the ONU which does not work at the 10G bit rate is online, so that the 10G bit rate laser is timely controlled to sleep, the reaction speed is improved, the energy loss of the OLT is further reduced, and the service life of the OLB laser is prolonged.
In one embodiment, the 10G bit rate laser is activated if the OLT receives an activation command from the EMS and/or from another control terminal (e.g., a handheld controller, a handset with an associated control application installed, etc.). By the method, a worker can conveniently and manually activate the 10G bit rate laser, and the controllability of the equipment is improved.
In one embodiment, when the OLT receives a registration request from an ONU operating at a bit rate of 10G, the 10G bit rate laser is activated, so that the ONU operating at the bit rate of 10G can be serviced in time, the automation degree of the device is improved, and delay in upgrading the terminal device is avoided. In one embodiment, the registration request may be a signal received by the OLT at an upstream operating wavelength at a bit rate of 10G.
In one embodiment, a second predetermined time may be set, and the 10G bit rate laser is automatically activated if the 10G bit rate laser has been dormant for the second predetermined time. By the method, equipment failure caused by long-term inapplicability of the equipment can be avoided, and the situation that the 10G bit rate laser cannot be started due to failure of other activation modes can also be avoided.
Fig. 2 is a flowchart of another embodiment of an OLT sleep control method according to the present application.
In step 201, the 10G bit rate laser is in a sleep state.
In step 202, it is determined whether a registration request is received from an ONU operating at a 10G bit rate. If yes, go to step 205; if not, go to step 203.
In step 203, it is determined whether an activation command is received from the EMS and/or from another control terminal. If yes, go to step 205; if not, go to step 204.
In step 204, it is determined whether the 10G bit rate laser has been dormant for a second predetermined time. If yes, go to step 205; if not, go to step 201. In one embodiment, the second predetermined time may be 100 to 500 seconds, such as 180 seconds.
In step 205, the 10G bit rate laser is activated.
By the method, the 10G bit rate laser can be started in real time as required, energy is saved, the service life of equipment is prolonged, and meanwhile, the influence on the normal use of a user is avoided.
In one embodiment, the above-mentioned determining steps (e.g., determining conditions in steps 203, 204, 205) may be performed in one or more selected orders, in any order, or in parallel, thereby increasing flexibility.
Fig. 3 is a flowchart of another embodiment of an OLT sleep control method according to the present application.
In step 301, the 10G bit rate laser is in a sleep state.
In step 302, it is determined whether the number of times that the 10G bit rate laser continuously enters the sleep state reaches a predetermined number of times (e.g., 3 times, 5 times, etc.). In one embodiment, continuously entering the sleep state refers to a situation where the sleep state is entered multiple times during which no ONU operating at the 10G bit rate is online.
In step 303, the 10G bit rate laser is controlled to enter a deep sleep state.
In step 304, it is determined whether the 10G bit rate laser has entered deep sleep for a third predetermined time. If the third predetermined time is reached, go to step 305; if not, step 303 is executed to maintain the deep sleep state, wherein the third predetermined time is longer than the second predetermined time, such as 10 minutes to 2 hours, preferably 3600 seconds. In one embodiment, step 305 may also be performed when receiving an activation command from the EMS and/or from another control terminal, or a registration request from an ONU operating at a 10 gigabit rate.
In step 305, the 10G bit rate laser is activated.
By the method, the situation that the ONU which works at the bit rate of 10G is not on line for a long time can be determined, so that the 10G bit rate laser enters a deep sleep state, the time for keeping the sleep state is prolonged, the frequency of activation caused by reaching the preset time is reduced, the energy-saving effect is further improved, and the service life of equipment is prolonged.
Fig. 4 is a schematic diagram of an embodiment of an OLT sleep control apparatus according to the present application. The online ONU number determining unit 401 can determine that no ONU currently operating at the 10G bit rate is online. In one embodiment, the on-line ONU number determining unit 401 may determine that an ONU not operating at the 10G bit rate is on-line by means of a predetermined frequency or periodic detection. The laser control unit 402 can control the 10G bit rate laser to sleep in a case where the registration request from the ONU operating at the 10G bit rate is not received within the first predetermined time when the online ONU number-determining unit 401 determines that the ONU not operating at the 10G bit rate is online.
The OLT dormancy control device can enable the 10G bit rate laser of the OLT to sleep when the ONU which does not work at the 10G bit rate is determined to be on line within a certain time, so that the energy loss of the OLT is reduced, the service life of the OLB laser is prolonged, and meanwhile, the fault caused when the non-10G PON terminal receives light with various downlink working wavelengths is avoided.
In one embodiment, the online ONU number determining unit 401 may monitor whether a power-down alarm is received from an ONU operating at 10G bit rate when it is determined that only one ONU operating at 10G bit rate is online. And if the power failure alarm from the ONU working at the bit rate of 10G is received, determining that no ONU working at the bit rate of 10G is on line currently.
The OLT dormancy control device can timely find that the ONU which does not work at the 10G bit rate is online currently, so that the 10G bit rate laser is timely controlled to be dormant, the reaction speed is improved, the energy loss of the OLT is further reduced, and the service life of the OLB laser is prolonged.
In one embodiment, the laser control unit 402 can activate the 10G bit rate laser if the OLT receives an activation command from the EMS and/or from another control terminal (e.g., a handheld controller, a handset installed with an associated control application, etc.). The OLT sleep control device can facilitate the manual activation of the 10G bit rate laser by workers, and the controllability of the equipment is improved.
In an embodiment, when the OLT receives a registration request from an ONU operating at a bit rate of 10G, the laser control unit 402 can activate the 10G bit rate laser, so that the ONU operating at the bit rate of 10G can be serviced in time, the automation degree of the device is improved, and delay in upgrading the device is avoided. In one embodiment, the registration request may be a signal received by the OLT at an upstream operating wavelength at a bit rate of 10G.
In one embodiment, a second predetermined time may be set, and the laser control unit 402 may automatically activate the 10G bit rate laser if the 10G bit rate laser has been dormant for the second predetermined time. The OLT sleep control device can avoid equipment failure caused by long-term inapplicability of equipment and can also avoid the situation that a 10G bit rate laser cannot be started due to failure of other activation modes.
In one embodiment, the laser control unit 402 controls the 10G bit rate laser to enter the deep sleep state if the 10G bit rate laser continuously enters the sleep state a predetermined number of times. The default time length of the deep sleep state is a third preset time, the third preset time length and a second preset time. If the third predetermined time is reached, the laser control unit 402 controls the 10G bit rate laser to be activated.
The OLT sleep control device can determine that no ONU working at the bit rate of 10G exists on line for a long time, so that the 10G bit rate laser enters a deep sleep state, the time for keeping the sleep state is prolonged, the frequency of activation caused by reaching the preset time is reduced, the energy is further saved, and the service life of equipment is prolonged.
In one embodiment, in the deep sleep state, the laser control unit 402 is capable of activating the 10G bit rate laser in case the OLT receives a registration request from an ONU operating at 10G bit rate, an activation instruction from the EMS and/or from another control terminal. The OLT sleep control device can start the 10G bit rate laser in real time according to the requirement, saves energy, prolongs the service life of equipment and avoids influencing the normal use of a user.
In one embodiment, one or more timers may be set to time so that the timing of entering the sleep state and the activation is accurately known. In one embodiment, the length of time of one or more of the predetermined first time, the predetermined second time, and the predetermined third time may be adjusted as needed, network conditions, simulation data, or actual experience.
Fig. 5 is a schematic structural diagram of an embodiment of an OLT sleep control apparatus according to the present application. The OLT sleep control means comprises a memory 510 and a processor 520. Wherein: the memory 510 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory is for storing instructions in the corresponding embodiments of the OLT sleep control method above. Processor 520 is coupled to memory 510 and may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 520 is configured to execute the instructions stored in the memory, so as to reduce the energy consumption of the OLT and improve the service life of the OLB laser.
In one embodiment, as also shown in fig. 6, the OLT sleep control apparatus 600 includes a memory 610 and a processor 620. Processor 620 is coupled to memory 610 through a BUS 630. The OLT sleep control means 600 may be further connected to an external storage means 650 via a storage interface 640 for calling external data, and may be further connected to a network or another computer system (not shown) via a network interface 660. And will not be described in detail herein.
In this embodiment, the data instruction is stored in the memory, and the processor processes the instruction, so that the energy loss of the OLT can be reduced, and the service life of the OLB laser can be prolonged.
In one embodiment, the OLT sleep control method of the present invention is implemented in a manner of processing a program by using a CPU and a memory, and may also be implemented in a manner of processing by using chips such as a PON MAC, so as to expand the implementation manner and facilitate popularization and application.
In another embodiment, a computer readable storage medium has stored thereon computer program instructions which, when executed by a processor, implement the steps of the method in the corresponding embodiment of the OLT sleep control method. As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
A schematic diagram of an embodiment of an OLT of the present application is shown in fig. 7. The OLT includes an OLT sleep control device 70 that can control the operating state of the laser721 in the optical module 71 of the OLT. The OLT sleep control device 70 can control the on/off of the 10G bit rate laser by using any one of the above-mentioned OLT sleep control methods, thereby reducing the energy loss of the OLT, improving the service life of the OLB laser, and avoiding a fault caused when a non-10G PON terminal receives light with multiple downlink operating wavelengths.
In one embodiment, the optical module 71 of the OLT includes a 1G rate upstream channel, a 1G rate downstream channel, a 10G rate upstream channel, and a 10G rate downstream channel.
Optical signals from a terminal are analyzed to obtain signals with wavelengths of 1290-1330 nm through wavelength division multiplexing 730, the signals reach BMLA (Burst Mode Line-Amplifier) 715 through a diode 726 and BM TIA (Burst Mode TransampleAmplifier) 725, and transmission of 1G rate uplink channel data is achieved; the optical signal from the terminal is resolved into a signal with a Wavelength of 1260-1280 nm by WDM (Wavelength Division Multiplexing) 730, and reaches a burst mode limiting amplifier 713 by a diode 723 and a burst mode transimpedance amplifier 722, so that transmission of 10G rate uplink channel data is realized.
The downlink 1G rate signal reaches a DML Laser (direct Modulated Laser) 724 through a Laser Driver LD Driver714, and an optical signal with a wavelength of 1480-1500 nm is sent to a terminal through a WDM 730; the downlink 10G rate signal passes through a CDR (Clock and Data recovery) 711, an EML engine 712, and an EML Laser (Electro Absorption Modulated Feedback Laser) 721, and then an optical signal with a wavelength of 1575-1580 nm is transmitted to the terminal through a WDM 730.
In one embodiment, the OLT may be applied in a scenario as shown in fig. 8, where the 10G bit rate signal has a wavelength λ10GPONThe wavelength of the 1G bit rate signal is lambdaGPON. The signal is split by the splitter to have a wavelength of lambda10GPONλGPONThe optical signal is sent to each terminal, and the actually required optical signal rate is different according to the terminal capability. For deployment reasons, the deployment of 10GPON ONTs (Optical Line Terminal) is not extensive, and therefore the transmission λ of actual data is not sent but continues to work10GPONThe laser of the signal not only consumes resources, but also burdens the GPON ONT with signal resolution. The OLT sleep control means 70 can control the operating state of the EML Laser721 or the operating states of the CDR711, the EML engine 712, and the EML Laser721 by any one of the OLT sleep control methods mentioned above, thereby achieving the purpose of controlling the operating state of the EML Laser721The method has the advantages that the dormancy of the OLT laser is controlled, meanwhile, the receiving of the uplink signal is not influenced, and the working state can be rapidly recovered under the condition that a registration request from a terminal working at the bit rate of 10G is obtained.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The present application has been described in detail so far. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present application. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The methods and apparatus of the present application may be implemented in a number of ways. For example, the methods and apparatus of the present application may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present application are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present application may also be embodied as a program recorded in a recording medium, the program including machine-readable instructions for implementing a method according to the present application. Thus, the present application also covers a recording medium storing a program for executing the method according to the present application.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solutions of the present application and not to limit them; although the present application has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will understand that: modifications to the specific embodiments of the application or equivalent replacements of some of the technical features may still be made; all of which are intended to be encompassed within the scope of the claims appended hereto without departing from the spirit and scope of the present disclosure.

Claims (13)

1. An OLT (optical line terminal) sleep control method comprises the following steps:
the method comprises the steps that an OLT determines that no optical network unit ONU which works at a bit rate of 10G is on line currently, wherein the OLT has lasers with various rates;
and if the registration request of the ONU working at the 10G bit rate is not received within the first preset time, controlling the 10G bit rate laser to sleep.
2. The method of claim 1, further comprising:
if a registration request from the ONU working at the bit rate of 10G is received, activating the laser at the bit rate of 10G;
and/or the presence of a gas in the gas,
and if an activation instruction from an element management system EMS and/or a control terminal is received, activating the 10G bit rate laser.
3. The method of claim 1 or 2, further comprising:
and if the sleep time of the 10G bit rate laser reaches a second preset time, activating the 10G bit rate laser.
4. The method of claim 1, wherein the OLT determining that no ONUs currently operating at a 10 Gbit rate are online comprises:
the OLT determines that no ONU which works at the bit rate of 10G is online through predetermined frequency or regular detection; and/or the presence of a gas in the gas,
when the OLT determines that only one ONU working at the bit rate of 10G is online, if a power-down alarm from the ONU working at the bit rate of 10G is received, it is determined that no ONU working at the bit rate of 10G is online currently.
5. The method of claim 1 or 2, further comprising:
if the number of times that the 10G bit rate laser continuously enters the sleep state reaches a preset number of times, controlling the 10G bit rate laser to deeply sleep;
and if the deep sleep time of the 10G bit rate laser reaches a third preset time, activating the 10G bit rate laser.
6. An Optical Line Terminal (OLT) sleep control device comprises:
the device comprises an online optical network unit ONU number determining unit, a judging unit and a judging unit, wherein the online optical network unit ONU number determining unit is used for determining that no ONU which works at the bit rate of 10G is online currently;
and the laser control unit is used for controlling the 10G bit rate laser to sleep when the ONU working at the 10G bit rate is not on line in the condition that the ONU working at the 10G bit rate is not on line within the first preset time, wherein the OLT has lasers with various rates.
7. The apparatus of claim 6, wherein,
the laser control unit is further configured to: and when a registration request from the ONU working at the 10G bit rate is received, and/or an activation instruction from an Element Management System (EMS) and/or a control terminal is received, activating the 10G bit rate laser.
8. The apparatus of claim 6 or 7, further comprising:
the laser control unit is further configured to activate the 10G bit rate laser when the sleep duration of the 10G bit rate laser reaches a second predetermined time.
9. The apparatus of claim 6, wherein the online ONU number determination unit is configured to:
determining that no ONU which works at the bit rate of 10G is online through a predetermined frequency or regular detection; and/or the presence of a gas in the gas,
when only one ONU which works at the 10G bit rate is determined to be on line, if a power failure alarm from the ONU which works at the 10G bit rate is received, determining that no ONU which works at the 10G bit rate is on line currently.
10. The apparatus of claim 6 or 7, wherein the laser control unit is further configured to:
when the number of times that the 10G bit rate laser continuously enters the sleep state reaches a preset number of times, controlling the 10G bit rate laser to deeply sleep;
and when the deep sleep duration of the 10G bit rate laser reaches a third preset time, activating the 10G bit rate laser.
11. An Optical Line Terminal (OLT) sleep control device comprises:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of any of claims 1-5 based on instructions stored in the memory.
12. A computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of any one of claims 1 to 5.
13. An optical line termination, OLT, comprising:
the OLT sleep control device of any of claims 6 to 11; and the combination of (a) and (b),
10G bit rate laser.
CN201710871771.1A 2017-09-25 2017-09-25 Optical line terminal OLT and dormancy control method and control device thereof Active CN109560873B (en)

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CN105049115B (en) * 2015-08-17 2017-09-19 上海斐讯数据通信技术有限公司 A kind of dormancy method and system based on EPON
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