CN104518830B - Light R-T unit - Google Patents
Light R-T unit Download PDFInfo
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- CN104518830B CN104518830B CN201310444433.1A CN201310444433A CN104518830B CN 104518830 B CN104518830 B CN 104518830B CN 201310444433 A CN201310444433 A CN 201310444433A CN 104518830 B CN104518830 B CN 104518830B
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Abstract
The present invention provides a kind of light R-T unit, mainly including photoelectric conversion module, light path handover module and switching control module, to provide network communication services for first, second optical network unit.Photoelectric conversion module has the integrated chip for being integrated with multiple photoelectric conversion units, for carrying out opto-electronic conversion processing.Online equipment and light path handover module is electrically connected in switching control module, and for the light path switch signal exported according to online equipment, control light path handover module performs corresponding light path handover operation.The present invention has simple in structure compared with traditional light R-T unit, volume smaller and the more flexible advantage of light path switching.
Description
Technical field
The present invention relates to a kind of light R-T unit, more particularly to a kind of small volume and light simple in structure transmitting-receiving dress
Put.
Background technology
With the fast development of network technology, Fibre Optical Communication Technology is because fast with transmission speed, and transmission range length can anti-electricity
Magnetic disturbance, and it is safe many advantages, such as, become the communication technology of modern main development already.
Light R-T unit is mainly by photoelectric converter, light path switching switch and optical transceiver module institute structure in the prior art
Into.
For the photoelectric converter, it is mainly responsible for the mutual conversion process of optical signal and electric signal, the prior art
Middle photoelectric converter is mostly independently to be mounted in the form of parts in light R-T unit, since single photoelectric converter is carried
The signal transmission channel quantity of confession is limited, therefore, when light R-T unit connects multiple optical network units at the same time, that is, needs group to set
Multiple photoelectric converters, so as to cause the maximization of photoelectric conversion module, cause R-T unit of the prior art in wherein
Volume is larger.
In addition, the optical signal transmission between light path switching switch and optical transceiver module in light R-T unit is by fiber optic cable
Line and reach, due to optical signal be in Connectorized fiber optic cabling using light refraction and total reflection and transmit, therefore for transmit light letter
Number Connectorized fiber optic cabling must just have a degree of bending radius (Bending Radius：According to 568 specifications of EAI/TIA, multimode
Cable runs bending radius must not be less than 25mm) passed so that optical signal is continued in Connectorized fiber optic cabling unattenuated in the case of
Pass.Cause volume not to be reduced in this way, the inside of light R-T unit just needs headspace to accommodate Connectorized fiber optic cabling, and can not reach
Into the development trend of light R-T unit miniaturization.
In view of this, the volume of the light R-T unit in conventional art how is reduced, is present invention technology to be solved
Problem.
The content of the invention
In view of the foregoing deficiencies of prior art, the light it is an object of the invention to provide a kind of volume smaller receives and dispatches dress
Put.
In order to achieve the above objects and other related objects, the present invention provides a kind of light R-T unit, connects first respectively, the
Two optical network units and online equipment, network is provided with construction fiber optic network for first, second optical network unit
Communication service, the light R-T unit include：Photoelectric conversion module, its integrated chip institute by integrating multiple photoelectric conversion units
Form, the parallel channel of a plurality of full duplex transmission is integrated with the integrated chip, for receiving optical signal parallel, and will be connect
The optical signal of receipts is converted to electric signal, and the electric signal changed is passed to the online equipment；Or for receive it is described
The electric signal of line equipment, and the electric signal received is converted into optical signal；Opto-electronic conversion control module, be electrically connected it is described
Line equipment, for receiving the opto-electronic conversion control signal of the online equipment output, to control the photoelectric conversion module to integrate
Each photoelectric conversion unit of chip performs corresponding opto-electronic conversion operation；Optical guided wave device, the light of optical signal is loaded with for changing
The direction of traveling；Light path handover module, there is photoswitch to be used to performing the handover operations of path channels, optics coupling described the
First, the second optical network unit, to receive and dispatch the optical signal of first, second optical network unit, and by the optical guided wave
Device optics couples the photoelectric conversion module, with the transmission with the photoelectric conversion module into traveling optical signal；Switching control module,
The online equipment and the light path handover module are electrically connected, for receiving the light path switch letter of the online equipment output
Number, control the light path handover module to perform corresponding path channels handover operation according to this.
Preferably, the light R-T unit further includes optical signal coupling device, and optics couples first, second optical fiber respectively
The network equipment and the light path handover module, to carry out coupling processing to the optical signal of equipment and intermodule transmission.
Preferably, the online equipment passes through I2C buses connect the opto-electronic conversion control module and described cut respectively
Change control module；Divided duplexing equipment is set between the photoelectric conversion module and light path handover module.
Preferably, the online equipment further includes control signal output unit, it is by the I2C buses connect institute respectively
Opto-electronic conversion control module and the switching control module are stated, for exporting the opto-electronic conversion control signal to the photoelectricity
Shift control module, and the light path switch signal is exported to the switching control module.
Preferably, the online equipment connects the switching control module through GPIO interface, is opened with exporting the light path
OFF signal is to the switching control module.
Preferably, the light path handover module extends to form the optical guided wave device or by MPO connector light by one end
Learn and couple the optical guided wave device.
Preferably, the photoswitch of the light path handover module includes：Light input end, inputs the optical transceiver module and is sent
It is loaded with the light of optical signal；Light output end, output are loaded with the light of optical signal so that the optical transceiver module receives；Light path is empty
Between, there is provided the path channels that the light of the light input end and the light output end is advanced；Optical module, for switch light in
The path channels advanced in the optical path space；And driving unit, the optical module is connected, and be electrically connected the switching
Control module, the light path switch signal exported for receiving the switching control module, to control the optical module to move into
Or it is moved away from the optical path space；Wherein, the light input end is located at the homonymy of the light path handover module with the light output end,
And when the driving unit controls the optical module to move into the optical path space, the light of the light input end input can be by
Reflected to the influence of the optical module, the passage that light is advanced can be switched to described by the path channels of the light input end
The path channels of light output end.
Preferably, the optical module is at least while the total reflection mirror with V-type or W type mirror surfaces；The light is defeated
The path channels and the path channels of the light output end for entering end are parallel to each other.
The present invention also provides a kind of light R-T unit, for connecting first, second optical network unit respectively with setting online
It is standby, with construction fiber optic network network communication services, the light R-T unit are provided for first, second optical network unit
Including：Photoelectric conversion module, it is made of integrated chip, and multiple photoelectric conversion units are integrated with the integrated chip, are divided
The parallel channel of wave multiplexer and a plurality of full duplex transmission, turns for receiving optical signal parallel, and by the optical signal received
Electric signal is changed to, and the electric signal changed is passed into the online equipment；Or for receiving the telecommunications of the online equipment
Number, and the electric signal received is converted into optical signal；Opto-electronic conversion control module, is electrically connected the online equipment, is used for
The opto-electronic conversion control signal of the online equipment output is received, controls each light of the photoelectric conversion module integrated chip according to this
Electric converting unit performs corresponding opto-electronic conversion operation；Light path handover module, there is photoswitch to be used to perform cutting for path channels
Operation is changed, optics couples first, second optical network unit, to receive and dispatch the light of first, second optical network unit
Signal, and the photoelectric conversion module is connected by the divided duplexing equipment, with the photoelectric conversion module into traveling optical signal
Transmission；And switching control module, it is electrically connected the online equipment and the light path handover module, for receiving
The light path switch signal of online equipment output is stated, controls the light path handover module to perform corresponding path channels switching behaviour according to this
Make.
The present invention provides a kind of light R-T unit again, for connecting first, second optical network unit respectively with setting online
It is standby, with construction fiber optic network network communication services, the light R-T unit are provided for first, second optical network unit
Including：Photoelectric conversion module, it is at least made of the integrated chip for integrating multiple photoelectric conversion units, in the integrated chip
The parallel channel of a plurality of full duplex transmission is integrated with, for receiving optical signal parallel, and the optical signal received is converted into electricity
Signal, and the electric signal changed is passed into the online equipment；Or for receiving the electric signal of the online equipment, and will
The electric signal received is converted to optical signal；Opto-electronic conversion control module, is electrically connected the online equipment, described for receiving
The opto-electronic conversion control signal of online equipment output, controls each opto-electronic conversion list of the photoelectric conversion module integrated chip according to this
Member performs corresponding opto-electronic conversion operation；Divided duplexing equipment, one end are coupled with the photoelectric conversion module optics；Light path switches mould
Block, there is photoswitch to be used for the handover operation for performing path channels, and optics couples first, second optical network unit, with
The optical signal of first, second optical network unit is received and dispatched, and the opto-electronic conversion mould is connected by the divided duplexing equipment
Block, with the transmission with the photoelectric conversion module into traveling optical signal；And switching control module, it is electrically connected and described sets online
Standby and described light path handover module, for receiving the light path switch signal of the online equipment output, controls the light according to this
Road handover module performs corresponding path channels handover operation.
As described above, compared to the prior art, light R-T unit provided by the present invention, through by multiple opto-electronic conversion lists
Member is integrated in an integrated chip to form integrated photoelectric conversion module, is used and is reduced prior art photoelectric conversion module
Volume.In addition, light path handover module provided by the present invention can utilize minute surface total reflection principle switching-over light path channel, and make light path
The light output of handover module, which enters end, can be provided close to the side of optical transceiver module, thus light output enter end optical fiber can without around feelings
Connect optical transceiver module under condition so that the light R-T unit just needn't headspace supply optical fiber coiling, so can be into
One step reduces the overall volume of light R-T unit.
Brief description of the drawings
Fig. 1 is shown as the system architecture diagram of the light R-T unit of first embodiment of the invention.
Fig. 2 is shown as the system architecture diagram of the light R-T unit of second embodiment of the invention.
Fig. 3 is shown as the system architecture diagram of the light R-T unit of third embodiment of the invention.
Fig. 4 is shown as the system architecture diagram of the light R-T unit of fourth embodiment of the invention.
Fig. 5 A to Fig. 5 C are shown as the different switching state schematic diagrames of the light path handover module of the present invention.
Fig. 6 A and Fig. 6 B are shown as the different of the optical module of the present invention and implement state diagram.
Fig. 7 is shown as the view that the present invention forms the light path handover module of system-wide reflection photoswitch.
Fig. 8 is shown as the block diagram that light R-T unit of the present invention is connected with four 10G optical network units.
Fig. 9 is shown as the block diagram that light R-T unit of the present invention is connected with two 40G optical network units.
Figure 10 is shown as the block diagram that light R-T unit of the present invention is connected with multi-section 10G optical network units.
Figure 11 is shown as light R-T unit of the present invention and passes through the implementation that splitter arrangement is connected with multi-section optical network unit
View.
Figure 12 is shown as light R-T unit of the present invention and passes through another reality that splitter arrangement is connected with multi-section optical network unit
Apply view.
The photoelectric conversion module that Figure 13 is shown as in light R-T unit of the present invention is arranged at single core with light path handover module
The implementation view of piece.
Component label instructions
1 light R-T unit
11 photoelectric conversion modules
111st, 112 integrated chip
12 optical guided wave device devices
13 light path handover modules
131st, 132,133,134 photoswitch
1311 light input ends
1312 light output ends
1313 optical path spaces
1314 optical modules
1315 driving units
14 switching control modules
15 optical transceiver modules
151st, 152 MPO connector
16 opto-electronic conversion control modules
17 optical signal coupling devices
18 divided duplexing equipments
19 light paths switch and photoelectric conversion chip
191 photoelectric conversion modules
192 light path handover modules
2nd, 2 ', 2 ", 2 " ', 21 ", 22 ", 23 ", 24 " first optical network units
3rd, 3 ', 3 ", 3 " ', 31 ", 32 ", 33 ", 34 " second optical network units
4 online equipments
41 control signal output units
411 GPIO interfaces
5 splitter arrangements
6 optical fiber ribbon cables
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
In this embodiment, please refer to Fig.1 to Figure 13.It should be clear that structure depicted in this specification institute accompanying drawings,
Ratio, size etc., only to coordinate the revealed content of specification, so that those skilled in the art understands and reads, and
It is not used to limit the enforceable qualifications of the present invention, therefore does not have technical essential meaning, the modification of any structure, ratio is closed
The change of system or the adjustment of size, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall
In the range of disclosed technology contents are obtained and can covered.Meanwhile in this specification it is cited as " on ", " under ",
The term of "left", "right", " centre " and " one " etc., is merely convenient to understanding for narration, and is not used to limit the present invention and can implement
Scope, its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable model of the present invention
Farmland.
Please refer to Fig.1 to Fig.4, be the system architecture diagram of each embodiment of light R-T unit of the present invention, wherein, in each embodiment
Identical or approximate component is represented with identical or approximate element numbers, and omits detailed narration, so that the technology of this case is said
It is bright apparent understandable.As shown in Figure 1, the light R-T unit 1 of the present invention connects the first optical network unit 2, the second light respectively
The fine network equipment 3 and online equipment 4, are the first optical network unit 2 and the second fiber optic network for building a fiber optic network
Equipment 3 provides the service function of network service etc..Light R-T unit 1 includes at least photoelectric conversion module 11, optical guided wave device 12, light
Road handover module 13, switching control module 14, optical transceiver module 15 and opto-electronic conversion control module 16.Photoelectric conversion module 11
A monomer can be integrated into opto-electronic conversion control module 16 or is provided separately.Similarly, light path handover module 13 and switching control mould
Block 14 can be integrated into a monomer or be provided separately.Also referring to Figure 13, light R-T unit 1 is provided with light path as shown in fig. 13 that
Just there is photoelectric conversion module 191 and light path to switch for switching and photoelectric conversion chip 19, light path switching and photoelectric conversion chip 19
Module 192, and above-mentioned photoelectric conversion module 11 and light path handover module 13 can be substituted, it will so make the body of light R-T unit 1
Product more reduces, and can also avoid optical fiber winding process complicated between photoelectric conversion module 11 and light path handover module 13.Light
Road switches and photoelectric conversion chip 19 can for example using planar waveguide circuit, (Planar Lightwave Circuit, can abridge
For PLC) formed with micro electronmechanical (Micro Electro Mechanical System, MEMS can be abbreviated as), without should be with this
It is limited.
Optical transceiver module 15 connects first optical network unit 2, the second optical network unit 3 and light path and cuts respectively
Block 13 is changed the mold, with into the transmitting-receiving process of traveling optical signal.Embodiment as shown in Figure 2, light R-T unit 1 further may include that light is believed
Number coupler 17, optics coupling optical transceiver module 15 and light path handover module 13 respectively, to be cut to optical transceiver module 15 with light path
The optical signal transmitted between mold changing block 13 carries out coupling processing, and the optical signal of transmission is carried out in a manner of equal proportion or non-equal proportion
Difference, and exterior monitoring device 5 is provided to judge that the optical signal of 15 import and export of optical transceiver module has without exception, that is, execution light is believed
Number difference pattern（Split Mode）Or integration pattern（Aggregation Mode）Detection.It is noted that optical signal coupling
Clutch 17 can be by welding or casing (Ferrule with the coupling of the optics of optical transceiver module 15 and light path handover module 13
Sleeve optical fiber that mode) continues and reach.
Photoelectric conversion module 11 provided by the present invention is by least one integrated chip for being integrated with multiple photoelectric conversion units
111 are formed, and photoelectric conversion module 11 can receive the light from the first optical network unit 2, the second optical network unit 3 parallel
Signal, and the optical signal received is converted into electric signal, and the electric signal changed is passed into online equipment 4, for
Line equipment 4 receives and processes.Received in addition, online equipment 4 can also provide electric signal to photoelectric conversion module 11, opto-electronic conversion mould
The electric signal received can be converted into optical signal by block 11, and be delivered separately to the first optical network unit 2, the second fiber optic network
Equipment 3.In the present invention, the integrated chip 111 in the photoelectric conversion module 11 can be to be integrated with 4 full duplex transmissions
（full duplex transmitting）Parallel channel and 4 groups of photoelectric conversion units four channel SFP+ interfaces (QSFP
+) chip.It should be noted that the parallel channel and opto-electronic conversion list of the integrated chip in photoelectric conversion module of the present invention
The quantity of member is not limited with above-mentioned, also can be according to the design improvement that actual demand is increased and decreased.
Opto-electronic conversion control module 16 can be by I2C buses are electrically connected the online equipment 4, to receive online equipment 4
The opto-electronic conversion control signal of output, controls each photoelectric conversion unit in integrated chip 111 to perform the place of opto-electronic conversion according to this
Reason.The optical signal that the opto-electronic conversion handles will be received is converted to electric signal, or received electric signal is turned
It is changed to optical signal.
Including at least one in the upper light path handover module 13 has bypass functionality（Bypass Function）Or system-wide
Function（Full Function）Photoswitch, for performing the handover operation of path channels, wherein, light path handover module 13 can
Photoelectric conversion module 11 is coupled by 12 optics of optical guided wave device, to reach the transmission of optical signal.The optical guided wave device 12 is can
For changing the device for the light going direction for being loaded with optical signal.Light path handover module 13 can be coupled by MPO connector optics
Optical guided wave device 12.Light path handover module 13 passes through switching-over light path channel to switch its operational mode, including at least general modfel
（Normal Mode）And bypass mode（Bypass Mode）（It please be detailed later）.
Switching control module 14 is electrically connected online equipment 4 and light path handover module 13, is controlled for receiving online equipment 4
Signal output unit 41 processed is opened through the light path of universal import and export (General Purpose I/O, GPIO) pin 411 output
OFF signal, controls light path handover module 13 to perform corresponding light path handover operation according to this.Switching control module 14 can be to expose outside
Pin, control logic circuit or the microprocessor of light R-T unit 1.
As illustrated in the exemplary embodiment of figure 3, the output of 4 light path switch signal of online equipment can pass through control signal output unit 41
I2C buses are reached, and specifically, the control signal output unit 41 of online equipment 4 can pass through I2C buses connect switching control
Module 14, light path switch signal is transmitted to switching control module 14 by control signal output unit 41.Similarly, control signal
Output unit 41 also can be by I2C buses transmit opto-electronic conversion control signal to opto-electronic conversion control module 16.
In addition, as shown in the embodiment depicted in fig. 4, photoelectric conversion module 11 and the light path switching mould of light R-T unit 1 of the present invention
Divided duplexing equipment (WDM, Wavelength Division Mutiplexer) 18 can be also set between block 13, by a variety of different ripples
Long optical signal merges together, and then using being transmitted in same fibre circuit, in this way, photoelectric conversion module can be reduced
11 number of fibers coupled with 13 optics of light path handover module, photoswitch setting quantity in light path handover module 13 is saved to reach
Purpose, and then more reduce volume shared by light R-T unit 1 of the present invention.Furthermore it also may be selected divided duplexing equipment 18 being arranged at
In photoelectric conversion module 11, the purpose of volume-diminished can also achieve.
Please refer to Fig. 5 A and Fig. 5 C, the photoswitch of its light path handover module of the present invention is in the signal of different switching states
Figure.As shown in the figure, the photoswitch 131 of light path handover module 13 of the present invention further includes light input end 1311, light output end 1312, light
Road space 1313, optical module 1314, and driving unit 1315, wherein, light input end 1311 is for input by optical transceiver module
15 transmit the light for being loaded with optical signal, and light output end 1312 is used to export the light for being loaded with optical signal for optical transceiver module 15
Receiving, light input end 1311 is located at homonymy of the light path handover module 13 close to optical transceiver module 15 with light output end 1312,
And the coil winding machine meeting of optics coupling light path handover module 13 and the optical fiber of optical transceiver module 15 can be reduced, and then light receipts are greatly decreased
The volume taken needed for transmitting apparatus 1.Optical path space 1313 is a without hindrance space, for providing the path channels of light traveling.
Optical module 1314 is used to provide light reflection, to switch light in the path channels advanced in optical path space 1313.Driving is single
Member 1315 then connects optical module 1314, and is electrically connected switching control module 14, defeated for receiving the institute of switching control module 14
The light path switch signal gone out, controls optical module 1314 to move into or be moved away from optical path space 1313 according to this.
Fig. 5 A are referred to, when driving unit 1315 controls optical module 1314 to be moved away from optical path space 1313, light path switching
The photoswitch 131 of module 13 runs general modfel（Normal Mode）, under this operational mode, the input of light input end 1311
Light sequentially can be transferred to photoelectric conversion module 11 by optical path space 133, optical guided wave device 12；Photoelectric conversion module 11 is carried
The light of confession sequentially can be delivered to light output end 1312 by optical guided wave device 12, optical path space 133.
Please continue to refer to Fig. 5 B, when driving unit 1315 controls optical module 1314 to move into optical path space 1313, make light
Road handover module 13 runs bypass mode (Bypass Mode), under this operational mode, is inputted and is loaded with by light input end 1311
For the light of optical signal after the total reflection of optical module 1314, the passage that light is advanced can be by the light path of light input end 1311
Passage is switched to the path channels of light output end 1312, and such light can be in the case of not via online equipment 4, directly by light
Output terminal 1312 exports.That is, the first optical network unit 2 and the second optical fiber can be made in the case of not via online equipment 4
The network equipment 3 can be by 13 mutual communicating optical signals of light path handover module, so as to fulfill the first optical network unit 2 and the second light
Unremitting optical signal transmission between the fine network equipment 3.
In addition, as shown in Figure 5 C, a smooth switching switch can be also set in each path channels of light path handover module 13.When
When the smooth switching switch is off, make the pattern of the operation bypass forbidden energy of light path handover module 13（Bypass
Disabled Mode）, specifically, manager can pass through control signal output unit 411（It refer to Fig. 1）Input light path is opened
OFF signal, and control light path handover module 13 to perform corresponding light path handover operation via switching control module 14, with by each
Light switching switch in path channels disconnects the optical signal transmission between the first optical network unit 2 and the second optical network unit 3.
In other words, above-mentioned smooth switching switch can control the open/close states of each path channels in light path handover module 13, to dash forward for network
Hair event（Such as virus or hacker attacks network system）There is provided by effective coping mechanism, such as forbidden energy light path handover module 13
The operation of road pattern, so as to improve the security of network transmission.
As shown in Fig. 6 A and Fig. 6 B, the optical module 1314 of the application is, for example, at least while having V-type or W type speculums
The total reflection mirror in face, the path channels of the light input end 1311 and the path channels of the light output end 1312 are parallel to each other.
It is preferred that optical module 1314 also can select V-type or W type speculums with V-type or W type mirror surfaces, visual actual demand
Face receives the light inputted by light input end 1311, so that the light path switching state of light path handover module 13 of the present invention is more more
Member.It should be noted that optical module 1314 still prism (Prism) can be used to be formed with plane mirror (Mirror), more than answering
The person of stating is limited.
Also referring to Fig. 7, the both sides of optical module 1314 towards optical transceiver module 15 and optical guided wave device 12 can have V respectively
Type or W type mirror surfaces, so that light path handover module 13 forms system-wide reflection photoswitch (Full OSW) so that online equipment 4
Can be when light path handover module 13 run bypass mode, the speculum by optical module 1314 towards 12 one side of optical guided wave device
Face, reflected light signal performs self detection (Loop back detections), independently to judge whether exception.
Light R-T unit of the present invention can be applied to set with 10G fiber optic networks or the connection of 40G optical network units, in this regard, please
In the lump with reference to Fig. 8, Fig. 9, Figure 10.In the embodiment shown in Fig. 8, optical transceiver module 15 is provided with MPO connector 151, and light
Road handover module 13 is provided with photoswitch 131,132, and the MPO connector 151 provides port, to provide the first light of grafting 10G
The fine network equipment 2 ", 2 " ' with the second optical network units of 10G 3 ", 3 " ', and complete above-mentioned first, second fiber optic networks of 10G and set
Standby 2 ", 3 ", 2 " ', 3 " ' optics respectively with photoswitch 131,132 couple.Above-mentioned photoswitch 131,132 can run bypass mode,
With in the case of not via online equipment 4, make the first optical network units of 10G 2 ", 2 " ' optical signal be directly delivered to second
Optical network unit 3 ", 3 " '.Furthermore photoswitch 131,132 can also run general modfel, by the first optical network units of 10G
2 ", 2 " ' optical signal be delivered to the integrated chip 111 of photoelectric conversion module 11 and carry out opto-electronic conversion, and will be obtained after conversion
Electric signal passes to online equipment 4.In addition, it should be noted that photoelectric conversion module 11 can also turn the electric signal of online equipment 4
Be changed to optical signal, and be delivered separately to first, second optical network unit 2 of above-mentioned 10G ", 3 ", 2 " ', 3 " '.
Shown in implementation block diagram in Fig. 9, light R-T unit 1 is for the first optical network units of grafting 40G 2 ' and 40G second
Optical network unit 3 ', to carry out the transmitting-receiving of two 40G optical network units, 2 ', 3 ' optical signal.In this regard, optical transceiver module
15 are provided with two MPO connectors 151,152；It is described and light path handover module 13 is provided with photoswitch 131,132,133,134
Two MPO connectors 151 be provided with grafting port, for the first optical network units of grafting 40G 2 ' and 40G second respectively
Optical network unit 3 ', and complete above-mentioned first, second optical network units 2 ', 3 ' of 40G respectively with photoswitch 131,132,
133rd, 134 optics coupling.Above-mentioned photoswitch 131,132,133,134 can run bypass mode at the same time, with not via online
In the case of equipment 4, the optical signal of the first optical network units 2 ' of 40G is made to be directly delivered to the second optical network unit 3 '.Light
Switch 131,132,133,134 can also run general modfel, and the optical signal of the first optical network units 2 ' of 40G is delivered to light
The integrated chip 111,112 of electric modular converter 11 carries out opto-electronic conversion, and the electric signal obtained after conversion is passed to and is set online
Standby 4.
In addition, it should be noted that photoelectric conversion module 11 also can pass through integrated chip 111,112 by the electricity of online equipment 4
Signal is converted to optical signal, and is delivered separately to the first optical network units of 40G 2 ' and the second optical network units 3 ' of 40G.Again
Refer to Figure 10, light R-T unit 1 provided by the present invention also can grafting multi-section optical network unit 21 ", 31 ", 22 at the same time ",
32 ", 23 ", 33 ", 24 ", 34 ", take construction fiber optic network as the optical network unit 21 ", 31 ", 22 ", 32 ", 23 ",
33 ", 24 ", 34 " provide the services of network service.It should be noted that the light path handover module 13 shown in Fig. 9, Figure 10 is identical, according to
This is it can be appreciated that the light path handover module of same hardware specification can be selected in the various embodiments of light R-T unit of the present invention, such as
This is to save the stock cost of light path handover module.
The mode that the connection of the light R-T unit and optical network unit of the present invention also can pass through non-MPO connector is reached,
Figure 11 and Figure 12 is refer to, as shown in the schema of institute's reference, light R-T unit 1 can pass through what is extended from light path handover module 13
Optical fiber ribbon cable 6 (Ribbon Fiber) external splitter arrangement 5（As shown in figure 11）, or directly make external point of light path handover module 13
Line equipment 5（As shown in figure 12）, in order to complete with multi-section optical network unit 2 ", 3 ", 2 " ', 3 " ' connection, in this way, light transmitting-receiving dress
The setting of optical transceiver module can be omitted by putting, in order to volume shared by light R-T unit is greatly decreased.In addition, the light shown in Figure 11 and Figure 12
Electric modular converter 11 may be selected to be the chip of QSFP+, and light R-T unit is directly plugged in online equipment, make in order to increase
Convenience.
In conclusion the light R-T unit of the present invention at least has the following advantages that and characteristic：
1) multiple photoelectric conversion units are integrated into an integrated chip, to make photoelectric conversion module tend to miniaturization, into
And reduce the volume of light R-T unit.
2) light path handover module can utilize minute surface total reflection principle switching-over light path channel, and make the light of light path handover module defeated
Access port can be arranged on the side of optical transceiver module, therefore the optical fiber that light output enters end can connect light transmitting-receiving in the case where reducing coiling
Module, so as to achieve the purpose that the overall volume for reducing light R-T unit.
3) light path handover module is provided the visual actual demand of optical module and switch to V-type or W type speculums
The speculum in face, to convert light path switching channel, so that light path handover operation is more flexible.
4) it can pass through external splitter arrangement with the connection of optical network unit and complete, and omit setting for optical transceiver module
Put, in order to the volume for reducing light R-T unit entirety.
5) active light bypass cable (Active Optical Bypass Cable, or can be described as Active be can be made into
Optical Cable with Bypass Function)。
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of light R-T unit, connects first, second optical network unit and online equipment respectively, with construction fiber optic network
Network communication services are provided for first, second optical network unit, it is characterised in that the light R-T unit includes：
Photoelectric conversion module, it is made of the integrated chip for integrating multiple photoelectric conversion units, is integrated in the integrated chip
There is the parallel channel of a plurality of full duplex transmission, for receiving optical signal parallel, and the optical signal received be converted into electric signal,
And the electric signal changed is passed into the online equipment；Or for receiving the electric signal of the online equipment, and will be connect
The electric signal of receipts is converted to optical signal；
Opto-electronic conversion control module, is electrically connected the online equipment, for receiving the opto-electronic conversion of the online equipment output
Control signal, is grasped with controlling each photoelectric conversion unit of the photoelectric conversion module integrated chip to perform corresponding opto-electronic conversion
Make；
Optical guided wave device, the direction that the light of optical signal is advanced is loaded with for changing；
Light path handover module, there is photoswitch to be used for the handover operation for performing path channels, pass through an optical transceiver module optics coupling
First, second optical network unit is connect, to receive and dispatch the optical signal of first, second optical network unit, and by institute
State optical guided wave device optics and couple the photoelectric conversion module, with the transmission with the photoelectric conversion module into traveling optical signal；It is described
Light path handover module extends to form the optical guided wave device by one end or couples the optical guided wave device by MPO connector optics；
Switching control module, is electrically connected the online equipment and the light path handover module, described is set online for receiving
The light path switch signal of standby output, controls the light path handover module to perform corresponding path channels handover operation according to this；
Wherein, the photoswitch of the light path handover module includes：
Light input end, inputs the light for being loaded with optical signal that the optical transceiver module is sent；The optical transceiver module connects respectively
First optical network unit, the second optical network unit and light path handover module are connect, at the transmitting-receiving into traveling optical signal
Reason；
Light output end, output are loaded with the light of optical signal so that the optical transceiver module receives；
Optical path space, there is provided the path channels that the light of the light input end and the light output end is advanced；
Optical module, for switching light in the path channels advanced in the optical path space；And
Driving unit, connects the optical module, and is electrically connected the switching control module, for receiving the switching control
The light path switch signal that module is exported, to control the optical module to move into or be moved away from the optical path space.
2. light R-T unit according to claim 1, it is characterised in that further include optical signal coupling device, respectively optics coupling
The optical transceiver module and the light path handover module are connect, with to being transmitted between the optical transceiver module and the light path handover module
Optical signal carry out coupling processing.
3. light R-T unit according to claim 1, it is characterised in that the online equipment passes through I2C buses connect respectively
The opto-electronic conversion control module and the switching control module；Set between the photoelectric conversion module and light path handover module
Divided duplexing equipment.
4. light R-T unit according to claim 3, it is characterised in that the online equipment further includes control signal output
Unit, it is by the I2C buses connect the opto-electronic conversion control module and the switching control module respectively, for defeated
Go out the opto-electronic conversion control signal to the opto-electronic conversion control module, and the output light path switch signal to cut to described
Change control module.
5. light R-T unit according to claim 1, it is characterised in that the online equipment is through GPIO interface connection institute
Switching control module is stated, to export the light path switch signal to the switching control module.
6. light R-T unit according to claim 1, it is characterised in that the light input end is located at the light output end
The homonymy of the light path handover module, and when the driving unit controls the optical module to move into the optical path space, institute
The influence of the optical module can be subject to and reflect by stating the light of light input end input, and the passage that light is advanced can be defeated by the light
The path channels for entering end are switched to the path channels of the light output end.
7. light R-T unit according to claim 6, it is characterised in that the optical module is at least while having V-type
Or the total reflection mirror of W type mirror surfaces；The path channels of the light input end and the path channels of the light output end are mutually flat
OK.
A kind of 8. light R-T unit, for connecting first, second optical network unit and online equipment respectively, with construction optical networking
Network and provide network communication services for first, second optical network unit, it is characterised in that the light R-T unit bag
Include：
Photoelectric conversion module, it is made of integrated chip, and multiple photoelectric conversion units, partial wave are integrated with the integrated chip
The parallel channel of multiplexer and a plurality of full duplex transmission, is changed for receiving optical signal parallel, and by the optical signal received
For electric signal, and the electric signal changed is passed into the online equipment；Or for receiving the electric signal of the online equipment,
And the electric signal received is converted into optical signal；
Opto-electronic conversion control module, is electrically connected the online equipment, for receiving the opto-electronic conversion of the online equipment output
Control signal, controls each photoelectric conversion unit of the photoelectric conversion module integrated chip to perform corresponding opto-electronic conversion behaviour according to this
Make；
Light path handover module, there is photoswitch to be used for the handover operation for performing path channels, pass through an optical transceiver module optics coupling
First, second optical network unit is connect, to receive and dispatch the optical signal of first, second optical network unit, and passes through institute
State divided duplexing equipment and connect the photoelectric conversion module, with the transmission with the photoelectric conversion module into traveling optical signal；And
Switching control module, it is electrically connected the online equipment and the light path handover module, described online for receiving
The light path switch signal of equipment output, controls the light path handover module to perform corresponding path channels handover operation according to this；
Wherein, the photoswitch of the light path handover module includes：
Light input end, inputs the light for being loaded with optical signal that the optical transceiver module is sent；The optical transceiver module connects respectively
First optical network unit, the second optical network unit and light path handover module are connect, at the transmitting-receiving into traveling optical signal
Reason；
Light output end, output are loaded with the light of optical signal so that the optical transceiver module receives；
Optical path space, there is provided the path channels that the light of the light input end and the light output end is advanced；
Optical module, for switching light in the path channels advanced in the optical path space；And
Driving unit, connects the optical module, and is electrically connected the switching control module, for receiving the switching control
The light path switch signal that module is exported, to control the optical module to move into or be moved away from the optical path space.
A kind of 9. light R-T unit, for connecting first, second optical network unit and online equipment respectively, with construction optical networking
Network and provide network communication services for first, second optical network unit, it is characterised in that the light R-T unit bag
Include：
Photoelectric conversion module, it is at least made of the integrated chip for integrating multiple photoelectric conversion units, in the integrated chip
The parallel channel of a plurality of full duplex transmission is integrated with, for receiving optical signal parallel, and the optical signal received is converted into electricity
Signal, and the electric signal changed is passed into the online equipment；Or for receiving the electric signal of the online equipment, and will
The electric signal received is converted to optical signal；
Opto-electronic conversion control module, is electrically connected the online equipment, for receiving the opto-electronic conversion of the online equipment output
Control signal, controls each photoelectric conversion unit of the photoelectric conversion module integrated chip to perform corresponding opto-electronic conversion behaviour according to this
Make；
Divided duplexing equipment, one end are coupled with the photoelectric conversion module optics；
Light path handover module, there is photoswitch to be used for the handover operation for performing path channels, pass through an optical transceiver module optics coupling
First, second optical network unit is connect, to receive and dispatch the optical signal of first, second optical network unit, and passes through institute
State divided duplexing equipment and connect the photoelectric conversion module, with the transmission with the photoelectric conversion module into traveling optical signal；And
Switching control module, it is electrically connected the online equipment and the light path handover module, described online for receiving
The light path switch signal of equipment output, controls the light path handover module to perform corresponding path channels handover operation according to this；
Wherein, the photoswitch of the light path handover module includes：
Light input end, inputs the light for being loaded with optical signal that the optical transceiver module is sent；The optical transceiver module connects respectively
First optical network unit, the second optical network unit and light path handover module are connect, at the transmitting-receiving into traveling optical signal
Reason；
Light output end, output are loaded with the light of optical signal so that the optical transceiver module receives；
Optical path space, there is provided the path channels that the light of the light input end and the light output end is advanced；
Optical module, for switching light in the path channels advanced in the optical path space；And driving unit, described in connection
Optical module, and the switching control module is electrically connected, the light path switch exported for receiving the switching control module
Signal, to control the optical module to move into or be moved away from the optical path space.
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| CN201310444433.1A CN104518830B (en) | 2013-09-26 | 2013-09-26 | Light R-T unit |
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| CN104518830B true CN104518830B (en) | 2018-04-24 |
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| CN106470074B (en) * | 2015-08-14 | 2019-01-08 | 传承光电股份有限公司 | Light R-T unit |
| CN106470073B (en) * | 2015-08-14 | 2019-01-08 | 传承光电股份有限公司 | Optical transmit-receive device |
| CN109031240A (en) * | 2018-04-27 | 2018-12-18 | 深圳市速腾聚创科技有限公司 | Laser radar and laser radar control method |
| TWI687020B (en) * | 2019-03-14 | 2020-03-01 | 永滐投資有限公司 | Network and Power Sharing Device |
| CN110011726A (en) * | 2019-04-18 | 2019-07-12 | 深圳市欧凌克光电科技有限公司 | Realize optoelectronic transceiver module, the system and method for optical path auto-switch |
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