CN103746748B - Optical network terminal and digital integrated optical assembly - Google Patents
Optical network terminal and digital integrated optical assembly Download PDFInfo
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- CN103746748B CN103746748B CN201310533342.5A CN201310533342A CN103746748B CN 103746748 B CN103746748 B CN 103746748B CN 201310533342 A CN201310533342 A CN 201310533342A CN 103746748 B CN103746748 B CN 103746748B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 63
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims 1
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Abstract
The invention discloses an optical network terminal (ONT). The optical network terminal comprises a subscriber line interface circuit which is used for receiving a signal from a user terminal and sending the signal to a system on an ONT chip, and a digital integrated optical assembly which is packaged with a metal shell and used for processing information from the system on the ONT chip and sending out the information through an optical fiber and for processing received information and sending the processed information to the system on the ONT chip. The digital integrated optical assembly comprises a laser driver, a limiting amplifier, a laser, a detector, a trans-impedance amplifier, a wavelength division multiplexing filter, a controller and a common substrate, wherein the laser driver, the limiting amplifier, the laser, the detector, the trans-impedance amplifier, the wavelength division multiplexing filter (WDM filter) and the controller are all packaged in the metal shell, under the control of the controller, the laser driver drives the laser to send information from the system on the ONT chip to the optical fiber via the WDM filter, the trans-impedance amplifier amplifies receives signals, and under the control of the controller, the limiting amplifier carries out amplitude limiting amplification on the signals. The optical network terminal can reduce cost of light transmit-receive equipment, reduces electromagnetic interference inside an optical assembly and improves reliability of products.
Description
Technical field
The present invention relates to communication technical field is and in particular to a kind of ONT Optical Network Terminal and digital integrated optical assembly.
Background technology
" light entering and copper back " has become as the development trend of broadband access, intelligent acess (fiber to the x, fttx) and
Multimedia Large Copacity information processing fast-developing so that ONT Optical Network Terminal (optical network terminal, ont)
Or equipment has good development prospect to optical network unit (optical network unit, onu), but current ont/
Onu equipment cost is of a relatively high, and what's new needs optical module part to coordinate, and limits the development of soft exchange.
Content of the invention
The embodiment of the present invention provides a kind of ONT Optical Network Terminal optical network terminal, ont, comprising:
User side interface, for receiving the signal of user terminal and being sent to ont SOC(system on a chip)；
The digital integrated optical assembly of packed by metal casing, for carrying out processing simultaneously to the information from ont SOC(system on a chip)
After processing, information is sent by optical fiber；And on optical fiber receive information processed and by process after information
It is sent to ont SOC(system on a chip)；
The digital integrated optical assembly of this packed by metal casing includes laser driver, the limit being encapsulated in metal shell
Width amplifier, laser instrument, detector, trans-impedance amplifier, wave-division multiplexer filter and controller and their common substrates, its
In, laser driver under the control of the controller, drives laser instrument to filter the information from ont SOC(system on a chip) via wdm
Device is sent on optical fiber；Trans-impedance amplifier is put through the signal from optical fiber that wdm wave filter receives to described detector
Greatly, limiting amplifier under the control of the controller, carries out limited range enlargement to the signal from trans-impedance amplifier.
A kind of digital integrated optical assembly, including the laser driver being encapsulated in metal shell, limiting amplifier, swashs
Light device, detector, trans-impedance amplifier, wave-division multiplexer filter and controller and their common substrates, wherein, described laser instrument
Driver, under the control of described controller, drives described laser instrument by the information from ont SOC(system on a chip) via wdm wave filter
It is sent on optical fiber；Described trans-impedance amplifier is put through the signal from optical fiber that described wdm receives to described detector
Greatly, described limiting amplifier, under the control of described controller, carries out limited range enlargement to the signal from described trans-impedance amplifier.
ONT Optical Network Terminal provided in an embodiment of the present invention and digital integrated optical assembly, using integrated on a common substrate
Laser driver, limiting amplifier, laser instrument, detector, trans-impedance amplifier, wave-division multiplexer filter and controller, form
The digital integrated optical assembly of packed by metal casing, thus the production Manufacturing cost of optical transmit-receive device can be reduced；Reduce light group
Electromagnetic interference problem within part improves the reliability of product；Further, since optical module function is included in ont device inside, newly
Increase function to coordinate without exterior light module section, be conducive to the development of soft exchange technology.
Brief description
Fig. 1 is the structural representation of the ont that one embodiment of the invention provides；
Fig. 2 is the structural representation of the ont that one embodiment of the invention provides；
Fig. 3 is the structural representation of the digital integrated optical assembly that one embodiment of the invention provides.
Specific embodiment
The embodiment of the present invention provides a kind of ONT Optical Network Terminal optical network terminal, ont, as accompanying drawing 1 institute
Show, ont is by Master control chip ont SOC(system on a chip) ont soc, memorizer such as flash memory, Double Data Rate synchronous dynamic random
Memorizer (double data rate synchronous dynamic random access memory, ddr sdram),
User side interface (subscriber line interface circuits, slic) such as physical layer device (physical
Layer device, phy), Plain Old Telephone Service interface (plain old telephone service, pots) etc., gold
The digital integrated optical assembly belonging to shell encapsulation is constituted, and phy gives ont soc after processing data communications, slic will be general
Information on services of taking on the telephone gives ont soc after processing, and ont soc will give digital Integrated Light group after the signal processing collected
Part, has little time the part of cache processing in memorizer.Digital integrated optical assembly includes laser driver such as laser driver
Chip, controller, limiting amplifier such as limiting amplifier chip (or transmitting-receiving unification chip), trans-impedance amplifier, transmitter
(transmitter, tx) such as laser instrument, receiver (receiver, rx) such as detector and wavelength division multiplexer (wavelength-
Division multiplexing, wdm), these devices have common substrate, and are all directly placed on pcb.Ont is also
Comprise power pack, the input of power pack can adopt the DC source of 12v, 1a, output has many kinds of electricity of 3.3v, 2.5v and 1.2v
Source.
Specifically, as shown in Figure 2, ont Core Feature part provided in an embodiment of the present invention (does not comprise power supply and storage
Part) can be divided into including digital integrated optical assembly, protocol conversion module, interface three part.Wherein, protocol conversion module
Be equivalent to the ont SOC(system on a chip) in accompanying drawing 1, be responsible for carrying out protocol conversion data process；Interface is equivalent to the user in accompanying drawing 1
Side interface, specifically can comprise data communication lan interface and Plain Old Telephone Service pots interface, and this two interfaces can divide
Other receiving data business and speech business.In conjunction with accompanying drawing 1, it is described in detail below:
User side interface, for receiving the signal of user terminal and being sent to ont SOC(system on a chip)；Packed by metal casing
Digital integrated optical assembly, for information after the information from ont SOC(system on a chip) being processed and processing pass through optical fiber
Send；And on optical fiber receive information processed and by process after information be sent to ont SOC(system on a chip).Gold
Belong to the laser driver that the digital integrated optical assembly of shell encapsulation includes being encapsulated in metal shell, limiting amplifier, swash
Light device, detector, trans-impedance amplifier, wave-division multiplexer filter and controller and their common substrates, wherein, Laser Drive
Device under the control of the controller, drives laser instrument that via wdm wave filter, the information from ont SOC(system on a chip) is sent to optical fiber
On；Trans-impedance amplifier is amplified through the signal from optical fiber that wdm wave filter receives to detector, and limiting amplifier is in control
Under the control of device processed, limited range enlargement is carried out to the signal from trans-impedance amplifier.By using light provided in an embodiment of the present invention
The network terminal, using integration laser driver on a common substrate, limiting amplifier, laser instrument, detector, amplifies across resistance
Device, wave-division multiplexer filter and controller, form the digital integrated optical assembly of packed by metal casing, thus light transmitting-receiving can be reduced
The production Manufacturing cost of equipment；Reduce the reliability that the electromagnetic interference problem within optical assembly improves product, further, since light
Functions of modules is included in ont device inside, and what's new coordinates without exterior light module section, is conducive to sending out of soft exchange technology
Exhibition.
As shown in Figure 3, the digital integrated optical assembly of one kind provided in an embodiment of the present invention, by by wdm wave filter, swash
Light device, detector, trans-impedance amplifier, laser driver, limiting amplifier, controller (including but not limited to Data Control, electricity
Voltage-controlled system, temperature control) it is integrated to form an assembly on a common substrate, wherein, laser driver is in described controller
Control under, drive laser instrument the information from ont SOC(system on a chip) is sent on optical fiber via wdm wave filter；Amplify across resistance
Device is amplified through the signal from optical fiber that wdm receives to detector, limiting amplifier under the control of the controller, to come
Carry out limited range enlargement from the signal of trans-impedance amplifier.From another viewpoint, the digital voltage signal coming from ont SOC(system on a chip) passes through
Laser driver is changed into analog current signal and drives laser instrument, and analog current signal is changed into optical signal by laser instrument to be passed through
Wdm wave filter enters optical fiber；From the next optical signal of optical fiber through wdm wave filter, enter detector and be changed into analog current signal, electricity
Stream signal is converted to voltage signal through trans-impedance amplifier, then is converted to digital voltage signal entrance ont piece through limiting amplifier
Upper system；Controller is used for controlling the electrical chip normal work such as laser driver, limiting amplifier, trans-impedance amplifier and to ont
SOC(system on a chip) reports the working condition of the optical chips such as laser instrument and detector.Optical device output signal after encapsulation is by original mould
Intend signal and become digital signal, be placed directly on and give the process of ont SOC(system on a chip) by digital signal on veneer.The embodiment of the present invention
It is also integrated with electric capacity, for electromagnetism to this digital integrated optical assembly is reduced or eliminated on the digital integrated optical assembly disclosing
Interference.By using ONT Optical Network Terminal provided in an embodiment of the present invention and digital integrated optical assembly, collecting on a common substrate
Become laser driver, limiting amplifier, laser instrument, detector, trans-impedance amplifier, wave-division multiplexer filter and controller, shape
Become the digital integrated optical assembly of packed by metal casing, thus the production Manufacturing cost of optical transmit-receive device can be reduced；Reduce light
The electromagnetic interference problem of component internal improves the reliability of product.
The ONT Optical Network Terminal ont referring in the embodiment of the present invention can be equally optical network unit (optical network
Unit, onu) or there is network devices or the equipment of similar functions, skilled artisans appreciate that equally can enter on onu
The design of the row embodiment of the present invention come to realize reduce optical transmit-receive device production Manufacturing cost；Reduce the electromagnetism within optical assembly
Interference problem improves the beneficial effect of the reliability of product, further, since optical module function is included in inside optical assembly, newly-increased work(
Can coordinate without exterior light module section, be conducive to the development of soft exchange technology.
Those of ordinary skill in the art are it is to be appreciated that combine the list of each example of the embodiments described herein description
Unit, can be with electronic hardware such as computer processor, cpu, computer software or the two be implemented in combination in, in order to clearly
The interchangeability of hardware and software is described, in the above description according to function generally describe each example composition and
Step.These functions to be executed with hardware or software mode actually, the application-specific depending on technical scheme and design constraint
Condition.Professional and technical personnel can use different methods to each specific application realize described function, but this
Kind realize it is not considered that beyond the scope of this invention.
Each device in conjunction with the embodiments described herein description can use the software module of hardware, computing device,
Or the combination of the two is implementing.Software module can be placed in random access memory (ram), internal memory, read only memory (rom), electricity
Known in programmable rom, electrically erasable rom, depositor, hard disk, moveable magnetic disc, cd-rom or technical field
Any other form of storage medium in.The ONT Optical Network Terminal above embodiment of the present invention being provided and digital Integrated Light
Assembly is described in detail, and specific case used herein is set forth to the principle of the present invention and embodiment, with
The explanation of upper embodiment is only intended to help and understands the method for the present invention and its core concept, should not be construed as the limit to the present invention
System.
Claims (5)
1. a kind of ONT Optical Network Terminal optical network terminal, ont are it is characterised in that include:
User side interface, for receiving the signal of user terminal and being sent to ont SOC(system on a chip)；
The digital integrated optical assembly of packed by metal casing, for being processed to the information from ont SOC(system on a chip) and will be located
After reason, information is sent by optical fiber；And the information receiving on optical fiber is processed and the information after processing is sent
To ont SOC(system on a chip)；
The digital integrated optical assembly of described packed by metal casing includes laser driver, the amplitude limit being encapsulated in metal shell
Amplifier, laser instrument, detector, trans-impedance amplifier, wave-division multiplexer filter and controller and their common substrates, wherein,
Described laser driver, under the control of described controller, drives described laser instrument by the information warp from ont SOC(system on a chip)
It is sent on optical fiber by wdm wave filter；Described trans-impedance amplifier is to described detector through being derived from that described wdm wave filter receives
The signal of optical fiber is amplified, described limiting amplifier under the control of described controller, to from described trans-impedance amplifier
Signal carries out limited range enlargement.
2. ont according to claim 1 is it is characterised in that also include the memorizer being connected with described ont SOC(system on a chip),
For data storage in described ont processing procedure；And the power supply powered for described ont.
3. ont according to claim 1 and 2 is it is characterised in that described user side interface includes data communication lan interface
With Plain Old Telephone Service pots interface.
4. a kind of digital integrated optical assembly, including the laser driver being encapsulated in metal shell, limiting amplifier, laser
Device, detector, trans-impedance amplifier, wave-division multiplexer filter and controller and their common substrates, wherein, described laser instrument drives
Dynamic device, under the control of described controller, drives described laser instrument to send out the information from ont SOC(system on a chip) via wdm wave filter
Deliver on optical fiber；Described trans-impedance amplifier is amplified through the signal from optical fiber that described wdm receives to described detector,
Described limiting amplifier, under the control of described controller, carries out limited range enlargement to the signal from described trans-impedance amplifier.
5. digital integrated optical assembly according to claim 4 is it is characterised in that described Integrated Light assembly is integrated with electricity
Hold, for reducing the electromagnetic interference to described digital integrated optical assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533342.5A CN103746748B (en) | 2013-10-31 | 2013-10-31 | Optical network terminal and digital integrated optical assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533342.5A CN103746748B (en) | 2013-10-31 | 2013-10-31 | Optical network terminal and digital integrated optical assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103746748A CN103746748A (en) | 2014-04-23 |
| CN103746748B true CN103746748B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533342.5A Active CN103746748B (en) | 2013-10-31 | 2013-10-31 | Optical network terminal and digital integrated optical assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817161A (en) * | 2016-12-06 | 2017-06-09 | 无锡路通视信网络股份有限公司 | A kind of hardware detection method of EPON terminals |
| CN108768534A (en) * | 2018-06-27 | 2018-11-06 | 湖北自贸区东芯科技有限公司 | An optical transceiver integrated component |
| CN114389713A (en) | 2019-06-21 | 2022-04-22 | 华为技术有限公司 | Optical receiving module, optical transmitting and receiving module, optical module and optical network equipment |
| CN111193547A (en) * | 2020-03-05 | 2020-05-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114078Y (en) * | 2007-10-24 | 2008-09-10 | 深圳华为通信技术有限公司 | Passive optical network terminal |
| CN101427170A (en) * | 2006-03-13 | 2009-05-06 | 英国电讯有限公司 | network termination equipment |
| CN201563205U (en) * | 2009-12-11 | 2010-08-25 | 华为技术有限公司 | Optical terminal equipment and chip |
| CN103229434A (en) * | 2012-12-28 | 2013-07-31 | 华为技术有限公司 | Sending and receiving optical component and optical module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070116466A1 (en) * | 2005-11-18 | 2007-05-24 | Broadlight Ltd. | Optical network unit (ONU) circuit |
-
2013
- 2013-10-31 CN CN201310533342.5A patent/CN103746748B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101427170A (en) * | 2006-03-13 | 2009-05-06 | 英国电讯有限公司 | network termination equipment |
| CN201114078Y (en) * | 2007-10-24 | 2008-09-10 | 深圳华为通信技术有限公司 | Passive optical network terminal |
| CN201563205U (en) * | 2009-12-11 | 2010-08-25 | 华为技术有限公司 | Optical terminal equipment and chip |
| CN103229434A (en) * | 2012-12-28 | 2013-07-31 | 华为技术有限公司 | Sending and receiving optical component and optical module |
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| CN103746748A (en) | 2014-04-23 |
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