CN106603154A - Optical connection controller using passive optical element - Google Patents
Optical connection controller using passive optical element Download PDFInfo
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- CN106603154A CN106603154A CN201510666428.4A CN201510666428A CN106603154A CN 106603154 A CN106603154 A CN 106603154A CN 201510666428 A CN201510666428 A CN 201510666428A CN 106603154 A CN106603154 A CN 106603154A
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- optical signal
- optical
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- signal
- controller
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Classifications
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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
- H04B10/40—Transceivers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
Abstract
The invention provides an optical connection controller using passive optical elements. The optical connection controller disclosed by the invention comprises an optical splitter, an optical combiner, an optical reception unit, an optical transmission unit and a communication control unit. The optical splitter splits an optically received downstream optical signal into a branched optical signal and a passing optical signal. The optical combiner optically combines a transmission optical signal and an upstream optical signal into a combined upstream optical signal. The optical reception unit receives the branched optical signal, converts the branched optical signal into a reception electrical signal, and transmits the reception electrical signal. The optical transmission unit receives a transmission electric signal, and converts the transmission electric signal into the transmission optical signal. The communication control unit decrypts an address, outputs a control command or data or discards an reception electric signal, generates the transmission electric signal, and outputs the generated transmission electric signal.
Description
Technical field
The present invention relates to a kind of optics connects controller.
Background technology
Traditional EIA-485/422 telecommunication standards are widely used as 1：N or N：N numerals are logical
The telecommunication standard of letter.EIA-485/422 standards use differential signal, therefore they have robustness to noise
And the high speed of relatively even long range (for example, the distance of about 1.5Km) can be supported in a way
Data communication.EIA-485 standards are made at any time using the half-duplex method using two strands of transmission lines
Can only send or receive.Conversely, EIA-422 standards use the full duplex using at least four strands of transmission lines
Method, makes both send at any time or receive.However, in EIA-485/422 standards, often
Secondary only one device can exclusively occupy order wire.
Although can be increase connection by this way according to recommending that most 32 devices can be connected
The number of device：It is connected more than 32 devices, or a device is used as gateway, then additionally connects
32 slave units, so as to connect and using substantial amounts of device in actually station.
Up to date, the automated network based on EIA-485/422 standards or Ethernet is answered various
Used in (for example, building, factory, family, extensive composite building, venue etc.).
However, be originally intended for use in that tens devices are controlled based on the network of EIA-485/422 standards, but mesh
Before be used as such：Hundreds of device is connected by the electric wire with most long a few kms.More than use connect
The problem of situation be：It is to individual terminal installation transmission data or non-from individual terminal installation transmission data
It is often slow, and the possibility of loss of data is very big.Specifically, when data are lost, data are sent
Device cannot realize whether data lose, and data receiver cannot realize itself send data thing
It is real.Therefore, it is not possible to resend, and the reliability of system can be deteriorated significantly.
Specifically, in the correct and very important system of reliability in real time (for example, fire and theft report
Alarm system) in, the low speed that caused by the configuration of large scale network and the difference caused by loss of data it is reliable
Property is key issue.
Meanwhile, passive planar fiber waveguide (PLC) element and passive fused biconical taper (FBT) element are to use
The optical element of directional couple waveguide or Y shape branch waveguide for example based on optical transition phenomenon is (for example,
Optical splitter or optical combiner).PLC elements are manufactured using the method for forming waveguide and covered using photoetching method
Substrate, FBT elements are used by making optical fiber gradually tapered when heat is applied to optical fiber and melting come shape
The method manufacture of Cheng Shuanla cone-shapeds.
Although compared with for the active component for converting electrical signals to optical signal, passive optical component has
Simple structure and some coupling losses are must endure as, but they can be manufactured with low cost, and
And can separate signal or composite signal in the case of not extra consumed energy.
The content of the invention
At least one embodiment of the present invention is intended to provide a kind of optics connection control of use passive optical component
Device processed.
At least one embodiment of the present invention is intended to provide a kind of with simple structure and not expensive use
The optics connection controller of passive optical component.
According to an aspect of the present invention, there is provided a kind of optics connects controller, including：
Optical splitter, the downlink optical signal for being configured to optically to receive is separated into separation optical signal and passes through
Optical signal；
Optical combiner, be configured to will by the optics connect transmission optical signal that controller produces with from another
The uplink optical signal that one optics connection controller is optically received optically is combined as combining uplink optical signal；
Light receiving unit, is configured to receive separation optical signal, will separate optical signal and is converted to reception telecommunications
Number, and electric signal transmission will be received to communication control unit；
Light transmitting element, is configured to from communication control unit receive send electric signal, and will send telecommunications
Number be converted to transmission optical signal；
Communication control unit, is configured to interpret and is included in the address received in electric signal, according to described
Location exports from the control command or data for receiving electric signal extraction via local communication interface or abandons reception
Electric signal, is produced based on the data transmitted via local communication interface and sends electric signal, and sending out generation
Electric signals output is to light transmitting element.
Optical splitter may include：
Descending input waveguide, is configured to receive downlink optical signal；
Separative element, be configured to be applied to descending input waveguide downlink optical signal be optically separated for
Separate optical signal and by optical signal；
Output waveguide is separated, is configured to separate optical signal output to light receiving unit；
By output waveguide, output is configured to by optical signal.
Optical combiner may include：
Up input waveguide, is configured to receive the up light letter for connecting controller transmission via another optics
Number；
Input waveguide is sent, is configured to from light transmitting element receive send optical signal；
Assembled unit, is configured to be applied to the uplink optical signal of up input waveguide and sends optical signal
Optically it is combined as combining uplink optical signal；
Combination output waveguide, is configured to output combination uplink optical signal.
Optical splitter or optical combiner can be implemented as based on planar optical waveguide (PLC) or fused biconical taper (FBT)
Passive optical component.
Optical splitter or optical combiner can be implemented as y-shaped waveguide or directional couple combiner.
Downlink optical signal can be produced by least one master device, and directly or via at least one other light
The optical splitter for learning connection controller is applied to the optical splitter that corresponding optics connects controller；
Combination uplink optical signal can connect the light combination of controller directly or via at least one other optics
Device is sent at least one master device.
According to an aspect of the present invention, there is provided a kind of multiple spot master-slave system, including：
Master server, is configured to be operated as the master device of multidrop network；
It is multiple to connect controller from optics, master is connected to Multipoint weighting via descending optical cable and up optical cable
Server,
Wherein, each includes from optics connection controller：
Optical splitter, is configured to for the downlink optical signal received via descending optical cable to be separated into separation
Optical signal and by optical signal；
Optical combiner, be configured to by by from optics connect controller produce transmission optical signal with via upper
Row optical cable is optically combined as combination from another uplink optical signal optically received from optics connection controller
Uplink optical signal；
Light receiving unit, is configured to receive separation optical signal, will separate optical signal and is converted to reception telecommunications
Number, and electric signal transmission will be received to communication control unit；
Light transmitting element, is configured to from communication control unit receive send electric signal, and will send telecommunications
Number be converted to transmission optical signal；
Communication control unit, is configured to interpret and is included in the address received in electric signal, according to described
Location exports from the control command or data for receiving electric signal extraction via local communication interface or abandons reception
Electric signal, is produced based on the data transmitted via local communication interface and sends electric signal, and sending out generation
Electric signals output is to light transmitting element.
Master server and from optics connection controller can be operated under time synchronized state according to time-division method,
Wherein, any one from optics connection controller according to predetermined decimation-in-time algorithm in each time interval via
Up optical cable is by uplink optical signal output to master server.
Master server and from optics connection controller can be operated according to polling method, wherein, master server root
According to predetermined polling algorithm call it is specific from optics connect controller, and it is invoked it is specific from optics connection
Controller is via up optical cable by uplink optical signal output to master server.
Master server and can be operated according to interrupt method from optics connection controller, wherein, when having occurred and that
The specific generation from optics connection controller of event interrupts and optically exports the interruption of generation to main service
During device, master server is received and the corresponding uplink optical signal of interruption, and by including under data is activation license
Traveling optical signal is sent to and has produced the described specific from optics connection controller of interruption, has been received by number
According to send license it is described specific from optics connection controller via up optical cable by uplink optical signal export to
Master server.
Description of the drawings
By the detailed description for carrying out below in conjunction with the accompanying drawings, above and other objects of the present invention, feature and
Advantage will be more clearly understood, wherein：
Fig. 1 is the schematic diagram for illustrating optics connection controller according to an embodiment of the invention；
Fig. 2 illustrates that connecting controller by the multiple optics of connection according to an embodiment of the invention forms
The diagram of multiple spot master-slave system.
Specific embodiment
With regard to the embodiment of the present invention disclosed herein, only for illustrating the purpose of embodiments of the invention and
Provide specific 26S Proteasome Structure and Function description.Embodiments of the invention can be carried out in a variety of manners, and
The present invention should not be construed as limited to the embodiment disclosed herein.
Embodiments of the invention are described in detail hereinafter with reference to accompanying drawing.Through accompanying drawing, identical reference number
Identical component will be used to indicate, and the redundancy description of same components will be omitted.
Fig. 1 is the schematic diagram for illustrating optics connection controller 10 according to an embodiment of the invention.
With reference to Fig. 1, optics connection controller 10 may include：Optical splitter 11, optical combiner 12, light connect
Receive unit 13, light transmitting element 14, communication control unit 15, local communication interface 16 and configuration interface
17。
Optics connection controller 10 can directly or via at least one other optics connect controller to
A few master device optically receives downlink optical signal, or can be directly or via at least one other light
Transmission optical signal or connect controller optically via another optics that connection controller produces itself
The uplink optical signal of reception is optically sent at least one master device.
Additionally, optics connection controller 10 can at least one master device be used as multiple other from device
Optical signal is relayed between optics connection controller.
More particularly, optical splitter 11 and optical combiner 12 are based on planar optical waveguide (PLC) or molten
Melt the passive optical component for drawing cone (FBT).
Optical splitter 11 will directly or via at least one other optics connect controller (not shown) to
The downlink optical signal DNO that a few master device (not shown) is optically received is separated into separation optical signal
ORx and by optical signal TDNO.
More particularly, optical splitter 11 receives downlink optical signal DNO from descending input waveguide 111,
Downlink optical signal DNO is separated into separation optical signal ORx and by optical signal by separative element 114
TDNO, the output of output waveguide 112 is separated optical signal ORx is separated, and by output waveguide 113
Output passes through optical signal TDNO.
The latter linked another optics that can be used as by optical signal TDNO connects the descending light of controller
Signal.
Optical splitter 11 may include separative element 114, it is possible to separate the intensity of optical signal ORx and lead to
The intensity ratio for crossing optical signal TDNO is such as 1：The uneven split ratio of N is separating downlink optical signal
DNO, wherein, separative element 114 is so configured：The core width of two separation waveguides is differed (i.e.,
It is configured to asymmetric).In this case, split ratio can be confirmed as to receiving by optical signal
Other optics connection controllers 10 of TDNO be enough to receive the split ratio of the optical signal with sufficient intensity.
Separative element 114 can be implemented as y-shaped waveguide or directional couple combiner.
Separate optical signal ORx be imported into separate with optical splitter 11 optics of output waveguide 112 connection it is (excellent
Selection of land, is directly connected to) light receiving unit 13, by optical signal TDNO passing through from optical splitter 11
Output waveguide 113 is optically exported.
Light receiving unit 13 from the optics of light receiving unit 13 be connected (preferably, be directly connected to) point
Receive from output waveguide 112 and separate optical signal ORx, optical signal ORx will be separated and be converted to reception electric signal
Rx, and it is transferred to communication control unit 15 by electric signal Rx is received.
Meanwhile, optical combiner 12 will connect the transmission optical signal OTx that controller 10 itself is produced by optics
It is connected uplink optical signal UPO that controller (not shown) optically receives optically with via another optics
It is combined as combining uplink optical signal CUPO, and can be by the combination uplink optical signal CUPO for producing directly
Or it is sent at least one master device (not via at least one other optics connection controller (not shown)
Illustrate).
More particularly, optical combiner 12 is received in up input waveguide 121 and controlled via the connection of another optics
The uplink optical signal UPO of device transmission processed, input waveguide 122 is sent transmission optical signal OTx is received,
The assembled unit 124 of such as Y shape optically combines uplink optical signal UPO with optical signal OTx is sent
To combine uplink optical signal CUPO, and in the combination output combination uplink optical signal of output waveguide 123
CUPO。
Optical combiner 12 may include assembled unit 124, wherein, in assembled unit 124, it is combined
The core width of two waveguides is identical, i.e. assembled unit 124 is symmetrical.
Assembled unit 124 can be implemented as y-shaped waveguide or directional couple combiner.
In one embodiment, it is controlled to from the optics connection controller 10 of device operation as multiple
Speech (is changed in non-competing mode during preset time section after being called by master device using polling method
It, exclusively) communicate with master device, so as to excluding uplink optical signal UPO and sending optical signal OTx
The possibility for being applied simultaneously and being mixed by optics in optical combiner 12.
In one embodiment, it is controlled to from the optics connection controller 10 of device operation as multiple
When scheduled event occurs using generation from interrupt method to master device notification event, and for master device permit
Perhaps time period is communicated in non-competing mode (in other words, exclusively) with master device.
In this case, substantially, term " combination uplink optical signal CUPO " is only for and applies
The term that the uplink optical signal UPO of up input waveguide 121 makes a distinction is added to, rather than refers to up light
The optical signal that the light wave of signal UPO has mixed with the light wave for sending optical signal OTx, and can be considered
Represent the uplink optical signal UPO produced in the case of without superposition and send appointing in optical signal OTx
The term of what one.
Optical splitter 11 and optical combiner 12 are passive optical components, although therefore respective optical connection control
Device 10 is stopped operation due to power failure or battery saving mode, also can be by downlink optical signal or uplink optical signal
It is sent to another optics connection controller or master device.
Additionally, when electric signal is changed into heliogram after converting optical signals to electric signal, and upper
The conventional method of row or downlink transfer optical signal is compared, and use optical splitter 11 of the invention and light are combined
The optics connection controller 10 of device 12 seldom has time delay.
Light transmitting element 14 can be received from communication control unit 15 and send electric signal Tx, can will send telecommunications
Number Tx is converted to transmission optical signal OTx, and can send optical signal OTx and be applied to and light transmitting element
The transmission input waveguide 122 of the optical combiner 12 of 14 optics connection (preferably, being directly connected to).
Communication control unit 15 is interpreted in the reception telecommunications being input into via optical splitter 11 and light receiving unit 13
Address, control command and data that number Rx includes, and, if it is determined that the address of interpretation be with accordingly
Optics connection controller 10 corresponding address, then export from receiving telecommunications via local communication interface 16
Number extract control command or data., whereas if the address of interpretation connects controller with corresponding optics
10 is uncorrelated, then the control command and data of reception is ignored and abandoned to communication control unit 15.
Communication control unit 15 can be produced based on the generation data transmitted via local communication interface 16 to be sent out
Electric signals Tx, and can be according to from the transmission license relevant control life for receiving the control command that electric signal is extracted
Order is sent to light transmitting element 14 by electric signal Tx is sent.
In one embodiment, communication control unit 15 is designed to support full duplex/half as needed
Duplex communication method or synchronous/asynchronous communication means with for example with traditional multiple spot EIA-485/422 nets
The compatibility of network.
Local communication interface 16 could be for intercommunicating internal bus or can be with PERCOM peripheral communication
Suitable for supporting wire communication specification (for example, RS-232C, EIA-485, EIA-422, Ethernet etc.)
Or the communication interface of radio communication specification (for example, direct-connected, ZigBee of bluetooth, WiFi etc.).
Configuration interface 17 can be switched etc. using dual-inline package (DIP) and is carried out.User can be via
Configuration interface 17 arranges communication control unit 15 by address for referring to etc..
Fig. 2 illustrates that connecting controller by the multiple optics of connection according to an embodiment of the invention forms
The diagram of multiple spot master-slave system.
Multiple spot master-slave system 20 may include：Master server 21, descending optical cable 22, the and of up optical cable 23
Connect controller 24 from optics with what Multipoint weighting connected.
Can be connected using full-duplex/half-duplex type multipoint iterationses from optics connection controller 24.
The descending light letter for connecting controller 24 from optics with particular address is exported by master server 21
Number along descending optical cable 22 be applied to from optics connect controller 24 optical splitter descending input waveguide.
Each connects controller 24 and separates light letter from downlink optical signal is detached from by electricity conversion from optics
Number reception electric signal for being obtained extracts address, also, if the address extracted is correspondingly with itself
Location, then process and be included in the control command or data received in electric signal, if it is not, then abandon receiving
Electric signal.
Additionally, connecting the uplink optical signal that exports of controller 24 via up optical cable 23 from optics by each
It is applied to from the upper of the optical combiner of optics connection controller 24 along the path for being upwardly into master server 21
Row input waveguide.
In this case, when uplink optical signal is applied to from optics the optical combiner for connecting controller 24
Up input waveguide when, uplink optical signal is immediately via the combination output waveguide output of optical combiner to upper
Row optical cable 23.Therefore, do not exist and connect controller 24 to the special execution of uplink optical signal by from optics
Process operation.
Simultaneously as connecting controller 24 from optics can not realize the presence of the uplink optical signal through it,
Therefore competing method can not be adopted from optics connection controller 24, and can be using non-competing method (for example,
Time-division communication method, polling method or interrupt method) as media access control (MAC) method.
In one embodiment, in order to prevent uplink optical signal and send the signal interference between optical signal,
Using time-division communication method, any one can be in master server 21 and from light from optics connection controller 24
In the state of learning the connection All Time synchronization of controller 24, according to predetermined decimation-in-time algorithm in each time
Using data as uplink optical signal output to master server 21 in interval.
In one embodiment, in order to prevent uplink optical signal and send the signal interference between optical signal,
Using polling method, master server 21 can call specific from optics connection controller according to predetermined polling algorithm
24, it is invoked it is specific from optics connect the exportable data of controller 24 as uplink optical signal.
In another embodiment, according to interrupt method, have occurred and that the specific of event controls from optics connection
Device 24 can produce interruption, and can optically export the interruption of generation.
In this case, master server 21 can be received and the corresponding uplink optical signal of interruption, and will can be wrapped
Include data is activation license downlink optical signal be sent to produced interruption from optics connect controller 24.
Only having been received by the specific of data is activation license can be allowed to export number from optics connection controller 24
According to as uplink optical signal.
The executable control of master server 21 so that send out in specific output from optics connection controller 24
Other connect from optics while sending optical signal and produce uplink optical signal in up optical cable 23
Controller does not export transmission optical signal.For example, due to downlink optical signal be transmitted in common to it is all from optics
Connection controller 24, therefore, connect controller 24 from optics except the specific of data is activation license is had been received by
Outside device can stop export optical signal.
If master server 21 is because the conflict of the uplink optical signal of reception is without sending ack signal,
Then when ack signal is not received by within a predetermined period of time, must be again from optics connection controller 24
It is new to send optical signal.In this case, because the transmission speed of optic communication is very fast, therefore send out again
Sending will not greatly affect overall transfer speed.
A kind of at least one embodiment of the invention, there is provided the optics connection of use passive optical component
Controller, wherein, the optics connection controller is only realized in optic communication using optical splitter and optical combiner
After function, so as to realize with simple structure and not expensive optics connection controller.
A kind of at least one embodiment of the invention, there is provided the optics connection of use passive optical component
Controller, wherein, the optics connection controller can be using optical input element or light output element rather than light
Input and output element, so as to realize not expensive optics connection controller.
Above example and accompanying drawing are meant only to be clearly shown that the portion of techniques spirit of the present invention, this area skill
Art personnel will be clear that：The modification that those skilled in the art can easily draw from the specification and drawings
It is included in the range of the right of the present invention with specific embodiment.
Claims (10)
1. a kind of optics connects controller, including：
Optical splitter, the downlink optical signal for being configured to optically to receive is separated into separation optical signal and passes through
Optical signal；
Optical combiner, be configured to will by the optics connect transmission optical signal that controller produces with from another
The uplink optical signal that one optics connection controller is optically received optically is combined as combining uplink optical signal；
Light receiving unit, is configured to receive separation optical signal, will separate optical signal and is converted to reception telecommunications
Number, and electric signal transmission will be received to communication control unit；
Light transmitting element, is configured to from communication control unit receive send electric signal, and will send telecommunications
Number be converted to transmission optical signal；
Communication control unit, is configured to interpret and is included in the address received in electric signal, according to described
Location exports from the control command or data for receiving electric signal extraction via local communication interface or abandons reception
Electric signal, is produced based on the data transmitted via local communication interface and sends electric signal, and sending out generation
Electric signals output is to light transmitting element.
2. optics as claimed in claim 1 connects controller, wherein, optical splitter includes：
Descending input waveguide, is configured to receive downlink optical signal；
Separative element, be configured to be applied to descending input waveguide downlink optical signal be optically separated for
Separate optical signal and by optical signal；
Output waveguide is separated, is configured to separate optical signal output to light receiving unit；
By output waveguide, output is configured to by optical signal.
3. optics as claimed in claim 1 connects controller, wherein, optical combiner includes：
Up input waveguide, is configured to receive the up light letter for connecting controller transmission via another optics
Number；
Input waveguide is sent, is configured to from light transmitting element receive send optical signal；
Assembled unit, is configured to be applied to the uplink optical signal of up input waveguide and sends optical signal
Optically it is combined as combining uplink optical signal；
Combination output waveguide, is configured to output combination uplink optical signal.
4. optics as claimed in claim 1 connects controller, wherein, optical splitter or optical combiner are by reality
It is passive optical component based on planar optical waveguide (PLC) or fused biconical taper (FBT) to apply.
5. optics as claimed in claim 4 connects controller, wherein, optical splitter or optical combiner are by reality
Apply as y-shaped waveguide or directional couple combiner.
6. optics as claimed in claim 1 connects controller, wherein：
Downlink optical signal is produced by least one master device, and directly or via at least one other optics
The optical splitter of connection controller is applied to the optical splitter that corresponding optics connects controller；
Combination uplink optical signal directly or via at least one other optics connects the optical combiner of controller
It is sent at least one master device.
7. a kind of multiple spot master-slave system, including：
Master server, is configured to be operated as the master device of multidrop network；
It is multiple to connect controller from optics, master is connected to Multipoint weighting via descending optical cable and up optical cable
Server,
Wherein, each includes from optics connection controller：
Optical splitter, is configured to for the downlink optical signal received via descending optical cable to be separated into separation
Optical signal and by optical signal；
Optical combiner, be configured to by by from optics connect controller produce transmission optical signal with via upper
Row optical cable is optically combined as combination from another uplink optical signal optically received from optics connection controller
Uplink optical signal；
Light receiving unit, is configured to receive separation optical signal, will separate optical signal and is converted to reception telecommunications
Number, and electric signal transmission will be received to communication control unit；
Light transmitting element, is configured to from communication control unit receive send electric signal, and will send telecommunications
Number be converted to transmission optical signal；
Communication control unit, is configured to interpret and is included in the address received in electric signal, according to described
Location exports from the control command or data for receiving electric signal extraction via local communication interface or abandons reception
Electric signal, is produced based on the data transmitted via local communication interface and sends electric signal, and sending out generation
Electric signals output is to light transmitting element.
8. multiple spot master-slave system as claimed in claim 7, wherein, master server and control from optics connection
Device processed is operated according to time-division method under time synchronized state, wherein, any one is controlled from optics connection
Uplink optical signal output is arrived master by device in each time interval according to predetermined decimation-in-time algorithm via up optical cable
Server.
9. multiple spot master-slave system as claimed in claim 7, wherein, master server and control from optics connection
Device processed is operated according to polling method, wherein, master server calls specific from optics according to predetermined polling algorithm
Connection controller, and it is invoked it is specific from optics connection controller up light is believed via up optical cable
Number output is to master server.
10. multiple spot master-slave system as claimed in claim 7, wherein, master server and from optics connection
Controller is operated according to interrupt method, wherein, specific when the event that has occurred and that connects controller from optics
When producing interruption and optically the interruption of generation being exported into master server, master server receives and interrupts phase
The uplink optical signal answered, and produced interruption by being sent to including the downlink optical signal of data is activation license
It is described specific from optics connect controller, have been received by data is activation license it is described specific from optics
Connection controller is via up optical cable by uplink optical signal output to master server.
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|---|---|---|---|
| CN201510666428.4A CN106603154A (en) | 2015-10-15 | 2015-10-15 | Optical connection controller using passive optical element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666428.4A CN106603154A (en) | 2015-10-15 | 2015-10-15 | Optical connection controller using passive optical element |
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| CN1658543A (en) * | 2004-02-17 | 2005-08-24 | 富士通株式会社 | Signal transceiving method for use in optical ring network and optical node for the same |
| CN102238441A (en) * | 2010-04-23 | 2011-11-09 | 美国博通公司 | Daisy chainable ONU |
| WO2015043871A1 (en) * | 2013-09-24 | 2015-04-02 | Alcatel Lucent | Optical ring network |
| CN104954898A (en) * | 2015-06-01 | 2015-09-30 | 桂林 | TWDM-PON (time division multiplexing-passive optical network) structure and TWDM-PON equipment for annular subnet extension and control method |
-
2015
- 2015-10-15 CN CN201510666428.4A patent/CN106603154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658543A (en) * | 2004-02-17 | 2005-08-24 | 富士通株式会社 | Signal transceiving method for use in optical ring network and optical node for the same |
| CN102238441A (en) * | 2010-04-23 | 2011-11-09 | 美国博通公司 | Daisy chainable ONU |
| WO2015043871A1 (en) * | 2013-09-24 | 2015-04-02 | Alcatel Lucent | Optical ring network |
| CN104954898A (en) * | 2015-06-01 | 2015-09-30 | 桂林 | TWDM-PON (time division multiplexing-passive optical network) structure and TWDM-PON equipment for annular subnet extension and control method |
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