CN104836621A - Optical network equipment - Google Patents
Optical network equipment Download PDFInfo
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- CN104836621A CN104836621A CN201510271459.XA CN201510271459A CN104836621A CN 104836621 A CN104836621 A CN 104836621A CN 201510271459 A CN201510271459 A CN 201510271459A CN 104836621 A CN104836621 A CN 104836621A
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Abstract
The invention relates to the optical communication field, and discloses optical network equipment to solve the technical problems in the prior art that the optical network equipment fails to work if an optical module fails; the optical network equipment comprises the following structures: a first processor; a first transmission interface arranged in the first processor; a first optical module connected with the first processor through the first transmission interface, and the first processor communicates with the first optical module through the first transmission interface; a second optical module connected with the first processor. The first processor is used for controlling the second optical module to close when the first optical module is in a working state, and controlling the second optical module to work when the first optical module fails. Even partial optical module fails, the optical network equipment of the invention can keep a normal working state.
Description
Technical field
The present invention relates to optical communication field, particularly relate to a kind of optical network device.
Background technology
EPON (Passive Optical Network, GPON), refer between OLT and ONU it is Optical Distribution Network (ODN), without any active electronic devices, be a kind of prefect dielectric network, avoid electromagnetic interference and the effects of lightning of external equipment, decrease the failure rate of circuit and external equipment, improve the reliability of system, save maintenance cost simultaneously.Current EPON is IP-based GEPON mainly, and it supports highest downlink 2.488Gbit/s, the asymmetric transmission rate of up 1.244Gbit/s, greatest physical distance 20km, supports that light is along separate routes than between 16-128.
EPON mainly comprise OLT (Optical Line Terminal), ONU (optical network device: Optical Network Unit) ONT (Optical Network Terminal: Optical Network Terminal) and optical branching device ODN (Optical Distribution Network), wherein ONU is that fiber distal end terminates in the nearer position of distance users, and ONT is the position that fiber distal end terminates in user, ONU and ONT can be collectively referred to as optical network device.Upstream data is sent to OLT by optical network device, and lower data are issued to optical network device by OLT.The parts realizing of transfer of data in optical network device important are optical module, and the effect of optical module is exactly opto-electronic conversion, and transmitting terminal converts light signal to the signal of telecommunication, and after being transmitted by optical fiber, receiving terminal converts the signal of telecommunication to light signal again.In prior art, if optical module breaks down, then optical network device can be caused to use.
Summary of the invention
The invention provides a kind of optical network device, to solve in prior art because optical module breaks down the technical problem that caused optical network device cannot use.
The embodiment of the present invention provides a kind of optical network device, comprising:
First aspect, the embodiment of the present invention provides a kind of optical network device, comprising:
First processor;
First coffret, is arranged on described first processor;
First optical module, is connected to described first processor by described first coffret, and described first processor carries out data communication by described first coffret and described first optical module;
Second optical module, is connected to described first processor;
Wherein, described first processor is used for, and when described first optical module is in running order, controls described second optical module and is in closed condition; When described first optical module is in malfunction, controls described second optical module and be in described operating state.
Optionally, described optical network device, also comprises:
Second coffret, is arranged on described first processor;
Micro-control unit, is connected to described second coffret;
Described second optical module, is connected to described first processor by described second coffret and described micro-control unit;
Wherein, described first processor is used for, and is in described closed condition or operating state by the second optical module described in described micro-control unit controls.
Optionally, described optical network device, also comprises:
First electric switch, the not moved end of described first electric switch is connected to described first coffret;
First control interface, is arranged on described first processor, is connected to described first electric switch;
Second electric switch, the not moved end of described second electric switch is connected to described first coffret;
Second control interface, is arranged on described first processor, is connected to described second electric switch;
Described first processor, specifically for: when described first optical module is in described operating state, the free end controlling described first electric switch by described first control interface is connected to described first optical module, and the free end controlling described second electric switch by described second control interface is connected to described first optical module; And
When described first optical module is in described malfunction, the free end controlling described first electric switch by described first control interface switches to described second optical module; The free end controlling described second electric switch by described second control interface switches to described second optical module.
Optionally, described optical network device, also comprises:
Optical switch, the stiff end of described optical switch by Fiber connection in optical line terminal;
3rd control interface, is arranged on described first processor, is connected to described optical switch;
Described first processor is used for, when described first optical module is in described operating state, and the communication link described in the free end conducting being controlled described optical switch by described 3rd control interface between the first optical module and described optical line terminal; When described first optical module is in described malfunction, the communication link described in the free end conducting being controlled described optical switch by described 3rd control interface between the second optical module and described optical line terminal.
Optionally, described optical network device, also comprises:
First power supply, is connected to described first optical module, powers for giving described first optical module;
4th control interface, is arranged on described first processor, is connected to described first power supply;
Second source, is connected to described second optical module, powers for giving described second optical module;
5th control interface, is arranged on described first processor, is connected to described second source;
Described first processor is used for, and when described first optical module is in described operating state, controls described first power supply and is in power supply state, control described second source be in non-powered state by described 5th control interface by described 4th control interface; When described first optical module is in described malfunction, controls described first power supply by described 4th control interface and be in described non-powered state, control described second source by described 5th control interface and be in described power supply state.
Optionally, described optical network device, also comprises:
Second processor, is connected by bus between described first processor and described second processor;
3rd coffret, is arranged on described second processor;
3rd optical module, is connected to described second processor by described 3rd coffret, and described second processor carries out data communication by described 3rd coffret and described 3rd optical module;
Wherein, upstream data transfers to optical line terminal by described first optical module and described 3rd optical module; Downlink data is transferred to described first processor by described first optical module by described optical line terminal, and described downlink data is transferred to described second processor by described 3rd optical module.
Beneficial effect of the present invention is as follows:
Due in embodiments of the present invention, provide a kind of optical network device, comprising: first processor; First coffret, is arranged on described first processor; First optical module, is connected to described first processor by described first coffret, and described first processor carries out data communication by described first coffret and described first optical module; Second optical module, is connected to described first processor; Wherein, described first processor is used for, and when described first optical module is in running order, controls described second optical module and is in closed condition; When described first optical module is in malfunction, controls described second optical module and be in described operating state.Namely optical network device comprises at least two optical modules, when an optical module breaks down wherein, another optical module can be switched to, even if thus reach part optical module and break down, also can ensure that optical network device is in the technique effect of normal operating conditions; And then optical module failure problems can be solved in time, avoid the proper communication affecting user, cause unnecessary economic loss.
In addition, in the further preferred embodiment of the present invention, also provide the solution of expansion transmission rate, adopt at least two optical modules to carry out transfer of data, original transmission rate is improved at least 2 times.
Accompanying drawing explanation
Fig. 1 is the structure chart of optical network device in the embodiment of the present invention;
Fig. 2 is the first detailed structure view of optical network device in the embodiment of the present invention;
Fig. 3 is the second detailed structure view of optical network device in the embodiment of the present invention;
Fig. 4 is the third detailed structure view of optical network device in the embodiment of the present invention;
Fig. 5 is the 4th kind of detailed structure view of optical network device in the embodiment of the present invention;
Fig. 6 is the structure chart of the further improvement of optical network device in the embodiment of the present invention;
Fig. 7 is the refined structure figure of the further improvement of optical network device in the embodiment of the present invention.
Embodiment
The invention provides a kind of optical network device, to solve in prior art because optical module breaks down the technical problem that caused optical network device cannot use.
Technical scheme in the embodiment of the present application is solve above-mentioned technical problem, and general thought is as follows:
Provide a kind of optical network device, comprising: first processor; First coffret, is arranged on described first processor; First optical module, is connected to described first processor by described first coffret, and described first processor carries out data communication by described first coffret and described first optical module; Second optical module, is connected to described first processor; Wherein, described first processor is used for, and when described first optical module is in running order, controls described second optical module and is in closed condition; When described first optical module is in malfunction, controls described second optical module and be in described operating state.Namely optical network device comprises at least two optical modules, when an optical module breaks down wherein, another optical module can be switched to, even if thus reach part optical module and break down, also can ensure that optical network device is in the technique effect of normal operating conditions; And then optical module failure problems can be solved in time, avoid the proper communication affecting user, cause unnecessary economic loss.
In addition, in the further preferred embodiment of the present invention, also provide the solution of expansion transmission rate, adopt at least two optical modules to carry out transfer of data, original transmission rate is improved at least 2 times.
In order to better understand technique scheme, below by accompanying drawing and specific embodiment, technical solution of the present invention is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical solution of the present invention, instead of the restriction to technical solution of the present invention, when not conflicting, the technical characteristic in the embodiment of the present invention and embodiment can combine mutually.
The embodiment of the present invention provides a kind of optical network device, and this optical network device comprises ONT/ONU, please refer to Fig. 1, comprising:
First processor 1, first processor 1 is such as CPU;
First coffret 2, be arranged on described first processor 1, for described first processor 1 carrying out the coffret communicated with optical module, the first coffret 2 is such as: SerDes (SERializer/DESerializer, parallel series/staticizer) interface;
First optical module 3, is connected to described first processor 1 by described first coffret 2, and described first processor 1 carries out data cube computation by described first coffret 2 with described first optical module 3;
Second optical module 4, is connected to described first processor 1, and wherein the second optical module 4 can be directly connected in first processor 1, also can indirectly be connected to first processor 1;
Wherein, described first processor 1 for, when described first optical module 3 is in running order, controls described second optical module 4 and be in closed condition; When described first optical module 3 breaks down, control described second optical module 4 and be in described operating state.
In addition, the maincenter of first processor 1 or whole optical network device is the core that whole optical network device runs.
In specific implementation process, first optical module 3, second optical module 4 can be connected to first processor 1 in several ways, and also can in different ways the first optical module 3 and the second optical module 4 be controlled based on this first processor 1, based on this, the structure of this optical network device is also different, and the four kinds of structures enumerated below are wherein introduced, certainly, in specific implementation process, be not limited to following four kinds of situations.
The first, please refer to Fig. 2, and described optical network device also comprises:
Second coffret 10, be arranged on described first processor 1, for the coffret on described first processor 1, second coffret 10 is such as: RGMII (Reduced Gigabit Media IndependentInterface, the Gigabit Media stand-alone interface of simplification) interface;
Micro-control unit (MCU:Microcontroller Unit) 11, is connected to described second coffret 10;
Described second optical module 4, described first processor 1 is connected to by described second coffret 10 and described micro-control unit 11, namely the second optical module 4 is not directly connected in first processor 1, but is indirectly connected to first processor 1 by the second coffret 10 and micro-control unit 11;
Wherein, described first processor 1 for, control described second optical module 4 by described micro-control unit 11 and be in described closed condition or operating state.
For example, when first processor 1 detects the first optical module 3 in running order (also namely normally can carry out transfer of data by the first optical module 3), then produce the control command that control second optical module 4 is in closed condition, and be sent to micro-control unit 11, control the second optical module 4 by micro-control unit 11 and be in closed condition, if first processor 1 detects that the first optical module 3 breaks down, then produce the control command that control second optical module 4 is in opening, and be sent to micro-control unit 11, control the second optical module 4 by micro-control unit 11 and be in opening, and then uplink and the downlink transfer of data is realized by the second optical module 11, now, the upstream data of this optical network device transfers to micro-control unit 11 by the second coffret 2 of first processor 1, then the second optical module 4 is sent to by micro-control unit 11, finally pass to optical line terminal by the second optical module 4 by optical fiber, the communication direction of downlink data is contrary with the communication direction of upstream data.
The second, please refer to Fig. 3, and described optical network device, also comprises:
First electric switch 12, the not moved end of described first electric switch 12 is connected to described first coffret 2, wherein, can be connected to described first optical module 3, first electric switch 12 under the free end default situations of described first electric switch 12 is such as: single-pole double-throw switch (SPDT);
First control interface 13, be arranged on described first processor 1, for belonging to the control interface of described first processor 1, connect described first electric switch 12, first control interface is such as: GPIO (GeneralPurpose Input Output, universal input/output) interface, for being connected to the first optical module 3 to the free end of the first electric switch 12 or the second optical module 4 controls;
Second electric switch 14, the not moved end of described second electric switch 14 is connected to described first coffret 2, and the free end of described second electric switch 14 can be given tacit consent under normal circumstances and is connected to described first optical module 3, second electric switch 14 and is such as: single-pole double-throw switch (SPDT);
Second control interface 15, be arranged on described first processor 1, for belonging to the control interface of described first processor 1, be connected to described second electric switch 14, second control interface is such as: GPIO interface, for being connected to the first optical module 3 to the free end of the second electric switch 14 or the second optical module 4 controls.
Described first processor 1, specifically for: when described first optical module 3 is in described operating state, the free end being controlled described first electric switch 12 by described first control interface 13 is connected to described first optical module 3, and then makes the uplink communication links of the first optical module 3 be in conducting state; The free end being controlled described second electric switch 14 by described second control interface 15 is connected to described first optical module 3, and then make the downstream communications link of the first optical module 3 be in conducting state, and then the first optical module transmit ascending data and downlink data receiving can be passed through; And
When described first optical module 3 is in described malfunction, the free end being controlled described first electric switch 3 by described first control interface 13 switches to described second optical module 4, and then make the uplink communication links of the first optical module 3 be in off-state, and the uplink communication links of the second optical module 4 is in conducting state; The free end being controlled described second electric switch 14 by described second control interface 15 switches to described second optical module 4, and then make the downstream communications link of the first optical module 3 be in off-state, the downstream communications link of the second optical module 4 is in conducting state, and then can pass through the second optical module 4 transmit ascending data and downlink data receiving.
In such scheme, the downstream communications link that the uplink communication links of the first optical module 3 is connected to the first coffret 2, first optical module 3 by the first electric switch 12 is connected to the first coffret 2 by the second electric switch 14; The uplink communication links of the second optical module 4 is connected to the first coffret 2 by the first electric switch 12, the downstream communications link of the second optical module 4 is connected to the first coffret 2 by the second electric switch 14, and namely the first optical module 3 and the second optical module 4 are all indirectly be connected with the first coffret 2.
The third, please refer to Fig. 4, and described optical network device, also comprises:
Optical switch 16, the stiff end of described optical switch 16 by Fiber connection in optical line terminal;
3rd control interface 17, is arranged on described first processor 1, for belonging to the control interface of described first processor 1, is connected to described optical switch 16;
Described first processor 1 for, when described first optical module 3 is in described operating state, the communication link described in the free end conducting being controlled described optical switch 16 by described 3rd control interface 17 between first optical module 3 and described optical line terminal; When described first optical module 3 is in described malfunction, the communication link described in the free end conducting being controlled described optical switch 16 by described 3rd control interface 17 between second optical module 4 and described optical line terminal.
Specifically, such scheme realizes after the first optical module 3 breaks down by the communication link (such as: optical-fibre channel) between optical switch 16 fast switches light line terminal to the first optical module 3 or the second optical module 4, ensures the goal of the invention that optical network device can also normally work.
In such scheme, first optical module 3 and the second optical module 4 share the first coffret 2, when the first optical module 3 is in running order, control command is sent to optical switch 16 by the 3rd control interface 17 by first processor 1, and then make it set up the transmission channel of optical switch 16 and the first optical module 3, the uplink and downlink signals of the first optical module 3 carries out information interaction by the conducting link of described optical switch 16 and described optical line terminal, and the communication link between described second optical module 4 and optical line terminal is because failing to set up, and there is no information interaction, be in stand-by state, when described first optical module 3 breaks down, after described first processor 1 receives fault message, control command is assigned to described optical switch 16 by the 3rd control interface 17, light is opened the light 16 communication links being switched to the second optical module 4 by the communication link of the first optical module 3, so far the communication link of the first optical module 3 has been cut off, and the communication link set up between described second optical module 4 and described optical line terminal, described second optical module 4 enters normal operating conditions by stand-by state.
4th kind, please refer to Fig. 5, described optical network device also comprises:
First power supply 18, is connected to described first optical module 3, powers for giving described first optical module 3;
4th control interface 19, being arranged on described first processor, for belonging to the control interface of described first processor 1, being connected to described first power supply 18, be in power supply state or non-powered state for controlling the first power supply 18, the 4th control interface 19 is such as: GPIO control interface;
Second source 20, is connected to described second optical module 4, powers for giving described second optical module 4;
5th control interface 21, being arranged on described first processor 1, for belonging to the control interface of described first processor 1, being connected to described second source 20, be in power supply state or non-powered state for controlling second source 20, the 5th control interface 21 is such as: GPIO control interface;
Described first processor 1 for, when described first optical module 3 is in described operating state, control described first power supply 18 by described 4th control interface 19 and be in power supply state, control described second source 20 by described 5th control interface 21 and be in non-powered state, and then by the first optical module 3 transmit ascending data and downlink data receiving; When described first optical module 3 is in described malfunction, control described first power supply 18 by described 4th control interface 19 and be in described non-powered state, control described second source 20 by described 5th control interface 21 and be in described power supply state, and then pass through the second optical module 4 transmit ascending data and downlink data receiving.
Wherein, first processor 1 controls the first power supply 18 and second source 20 respectively by the 4th control interface 19 and the 5th control interface 21 and is in and opens or close.When the first optical module 3 is in normal operating conditions, and described second optical module 4 is when being in stand-by state, control command is assigned to described first power supply 18 by the 4th control interface 19 by first processor 1, control the first power supply 18 and be in opening, to provide the power supply of described first optical module 3 normally required for work, also control command is assigned to second source 20 by the 5th control interface 21 simultaneously, control described second source 20 and be in non-powered state (such as: closed by second source 20), non-operating state is in owing to not obtaining power supply to make described second optical module 4.When described first optical module 3 is in malfunction, after described first processor 1 receives fault message, control command is assigned to described first power supply 18 by the 4th control interface 19, control the first power supply 18 and be in non-powered state, described first optical module 3 is in cease operation state owing to not obtaining power supply, control command is assigned to second source 20 by the 5th control interface 21 by described first processor 1 simultaneously, make it open and be supplied to described second optical module 4 with the power supply normally worked, so far described second optical module 4 enters normal operating conditions by stand-by state.
As further preferred embodiment, please continue to refer to Fig. 2 to Fig. 5, described optical network device also comprises:
First Peripheral Interface 5, for being arranged at the Peripheral Interface on described first processor 1, the first Peripheral Interface 5 is such as: SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface;
One DDR (Double Data Rate Double Data Rate synchronous DRAM) interface 6, is arranged at described first processor 1, for belonging to the coffret of described first processor 1;
First flash memory (flash) 7, is connected to first processor 1 by the first Peripheral Interface 5, and described first flash memory 7 stores the program providing system normally to run;
One DDR8, is connected to first processor 1 by the first ddr interface 6, and a described DDR8 provides the region of an interim storage program and data;
First crystal oscillator 9, is connected to first processor 1, for the clock signal providing first processor 1 normally to work.
As further preferred embodiment, please refer to Fig. 6, described optical network device also comprises:
Second processor 1a, be connected by bus between described first processor 1 and described second processor 1a, the second processor 1a is such as: CPU, and bus is such as: data/address bus, address bus, control bus etc.;
3rd coffret 2a, is arranged on described second processor 1a, for described second processor 1a carrying out the coffret of data communication with optical module;
3rd optical module 3a, is connected to described second processor 1a by described 3rd coffret 2a; , described second processor 1a carries out data communication by described 3rd coffret 2a and described 3rd optical module 3a;
Wherein, upstream data transfers to optical line terminal by described first optical module 3 and described 3rd optical module 3a, such as: adopt and transfer to optical line terminal according to the time division multiplexing access way of PON agreement; Downlink data is transferred to described first processor 1 by described first optical module 3 by described optical line terminal, and described downlink data is transferred to described second processor 1a by described 3rd optical module 3a.
By such scheme, the transmission rate of optical network device can be expanded, or when linked network port transmission rate remains unchanged under optical network device, add the quantity of network interface, provide more user to access.
In this case, as further preferred embodiment, please refer to Fig. 7, described optical network device also comprises:
Second Peripheral Interface 5a, is arranged at described second processor 1a, and be the Peripheral Interface of described second processor 1a, the second Peripheral Interface 5a is such as: SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface;
Second ddr interface 6a, is arranged at described second processor 1a, for belonging to the coffret of described second processor 1a;
Second flash memory 7a, is connected to the second processor 1a by the second Peripheral Interface 5a, and described second flash memory 7a stores the program providing system normally to run;
2nd DDR8a, is connected to the second processor 1a by the second ddr interface 6a, and described 2nd DDR8a provides the region of an interim storage program and data;
Second crystal oscillator 9a, is connected to the second processor 1a, for the clock signal providing the second processor 1a normally to work.
, will introduce the advantage of this optical network device relative to optical network device of the prior art below, certainly, following examples process is as just a citing, and not as restriction, it specifically comprises the following steps:
(1) optical network device that the embodiment of the present invention is introduced is registered on optical network line;
(2) test speed of download and the uploading rate of this optical network device respectively, after testing, it is 2 times of the speed of optical network device of the prior art.
, will introduce the registration process of this optical network device below, certainly, following registration process is as just citing, and not as restriction, it specifically comprises the following steps:
(1) prepare 2 optical modules, 1 is the optical module that can normally work, and 1 for existing the optical module of fault;
(2) first the optical module that there is fault is placed on the first optical module position of the optical network device that the embodiment of the present invention is introduced;
(3) this optical network device can not on optical link equipment successful registration;
(4) close optical network device, the optical module that there is fault is placed in the second optical module position of the optical network device that the embodiment of the present invention is introduced;
(5) this optical network device can not on optical link equipment successful registration;
(6) on the first optical module these two optical modules being placed in respectively the optical network device that the embodiment of the present invention is introduced and position corresponding to the second optical module;
(7) this optical network device successful registration on optical link equipment;
(8) close optical network device, exchange this 2 optical module positions, optical network device is plugged in again; This optical network device is successful registration on optical link equipment.
The one or more embodiment of the present invention, at least has following beneficial effect:
Due in embodiments of the present invention, provide a kind of optical network device, comprising: first processor; First coffret, is arranged on described first processor; First optical module, is connected to described first processor by described first coffret, and described first processor carries out data communication by described first coffret and described first optical module; Second optical module, is connected to described first processor; Wherein, described first processor is used for, and when described first optical module is in running order, controls described second optical module and is in closed condition; When described first optical module is in malfunction, controls described second optical module and be in described operating state.Namely optical network device comprises at least two optical modules, when an optical module breaks down wherein, another optical module can be switched to, even if thus reach part optical module and break down, also can ensure that optical network device is in the technique effect of normal operating conditions; And then optical module failure problems can be solved in time, avoid the proper communication affecting user, cause unnecessary economic loss.
In addition, in the further preferred embodiment of the present invention, also provide the solution of expansion transmission rate, adopt at least two optical modules to carry out transfer of data, original transmission rate is improved at least 2 times.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the embodiment of the present invention.Like this, if these amendments of the embodiment of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. an optical network device, is characterized in that, comprising:
First processor;
First coffret, is arranged on described first processor;
First optical module, is connected to described first processor by described first coffret, and described first processor carries out data communication by described first coffret and described first optical module;
Second optical module, is connected to described first processor;
Wherein, described first processor is used for, and when described first optical module is in running order, controls described second optical module and is in closed condition; When described first optical module is in malfunction, controls described second optical module and be in described operating state.
2. optical network device as claimed in claim 1, it is characterized in that, described optical network device, also comprises:
Second coffret, is arranged on described first processor;
Micro-control unit, is connected to described second coffret;
Described second optical module, is connected to described first processor by described second coffret and described micro-control unit;
Wherein, described first processor is used for, and is in described closed condition or operating state by the second optical module described in described micro-control unit controls.
3. optical network device as claimed in claim 1, it is characterized in that, described optical network device, also comprises:
First electric switch, the not moved end of described first electric switch is connected to described first coffret;
First control interface, is arranged on described first processor, is connected to described first electric switch;
Second electric switch, the not moved end of described second electric switch is connected to described first coffret;
Second control interface, is arranged on described first processor, is connected to described second electric switch;
Described first processor, specifically for: when described first optical module is in described operating state, the free end controlling described first electric switch by described first control interface is connected to described first optical module, and the free end controlling described second electric switch by described second control interface is connected to described first optical module; And
When described first optical module is in described malfunction, the free end controlling described first electric switch by described first control interface switches to described second optical module; The free end controlling described second electric switch by described second control interface switches to described second optical module.
4. optical network device as claimed in claim 1, it is characterized in that, described optical network device, also comprises:
Optical switch, the stiff end of described optical switch by Fiber connection in optical line terminal;
3rd control interface, is arranged on described first processor, is connected to described optical switch;
Described first processor is used for, when described first optical module is in described operating state, and the communication link described in the free end conducting being controlled described optical switch by described 3rd control interface between the first optical module and described optical line terminal; When described first optical module is in described malfunction, the communication link described in the free end conducting being controlled described optical switch by described 3rd control interface between the second optical module and described optical line terminal.
5. optical network device as claimed in claim 1, it is characterized in that, described optical network device, also comprises:
First power supply, is connected to described first optical module, powers for giving described first optical module;
4th control interface, is arranged on described first processor, is connected to described first power supply;
Second source, is connected to described second optical module, powers for giving described second optical module;
5th control interface, is arranged on described first processor, is connected to described second source;
Described first processor is used for, and when described first optical module is in described operating state, controls described first power supply and is in power supply state, control described second source be in non-powered state by described 5th control interface by described 4th control interface; When described first optical module is in described malfunction, controls described first power supply by described 4th control interface and be in described non-powered state, control described second source by described 5th control interface and be in described power supply state.
6. the optical network device as described in claim as arbitrary in claim 1-5, is characterized in that, described optical network device, also comprises:
Second processor, is connected by bus between described first processor and described second processor;
3rd coffret, is arranged on described second processor;
3rd optical module, is connected to described second processor by described 3rd coffret, and described second processor carries out data communication by described 3rd coffret and described 3rd optical module;
Wherein, upstream data transfers to optical line terminal by described first optical module and described 3rd optical module; Downlink data is transferred to described first processor by described first optical module by described optical line terminal, and described downlink data is transferred to described second processor by described 3rd optical module.
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| CN201510271459.XA CN104836621A (en) | 2015-05-25 | 2015-05-25 | Optical network equipment |
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| CN201510271459.XA CN104836621A (en) | 2015-05-25 | 2015-05-25 | Optical network equipment |
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| CN201510271459.XA Pending CN104836621A (en) | 2015-05-25 | 2015-05-25 | Optical network equipment |
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