CN106685531A - Optical module - Google Patents
Optical module Download PDFInfo
- Publication number
- CN106685531A CN106685531A CN201611155794.4A CN201611155794A CN106685531A CN 106685531 A CN106685531 A CN 106685531A CN 201611155794 A CN201611155794 A CN 201611155794A CN 106685531 A CN106685531 A CN 106685531A
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- CN
- China
- Prior art keywords
- optical
- optical module
- pin
- golden finger
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention discloses an optical module. The optical module comprises a single-chip microcomputer, four optical emitters and four optical receivers which are connected with the single-chip microcomputer, and a golden finger configured to allow the interior of the optical module to communicate with an external device. The golden finger comprises four control base pins configured to send control signals to the four optical emitters to respectively control the switching of the four optical emitters. The single-chip microcomputer is configured to generate notification signals and transmit the notification signals to the external device through the setting base pins of the golden finger when any one of the four optical receivers does not receive the optical signals. The single-chip microcomputer reports the signals of notification that the optical signals are not received through the setting base pins and does not need to occupy a plurality of base pins to perform report when each optical receiver does not receive the optical signals to allow the idle base pins to transmit the control signals in four ways to respectively control the switching of the four optical emitters so as to satisfy the usage requirement of the optical module of access network 100G PON ONU.
Description
Technical field
The present invention relates to communication technical field, espespecially a kind of optical module.
Background technology
Optical module (optical module) is made up of, opto-electronic device opto-electronic device, functional circuit and optical interface etc.
Including transmitting and reception two parts.The effect of optical module is exactly opto-electronic conversion, for the carrier transmitted between switch and equipment,
Transmitting terminal converts electrical signals into optical signal, and after optical fiber is transmitted, receiving terminal is converted into the signal of telecommunication optical signal again.Optical module
Transceiver is compared with higher efficiency and safety.
As 40Gb/s dense wavelength divisions optical transmission system is in the extensive application of carrier core optical-fiber network, based on standardized
Dense wavelength division optical communications module has also won accepting extensively for the high interest of optic communication industry and market.As user is to online
The raising of rate requirement, access network field proposes 100G luminous source optical fiber networks (Passive Optical Network, abbreviation
PON) the demand of optical network unit (Optical Network Unit, abbreviation ONU), 100G PON ONU are sent out by 4 road 25G
Penetrate and receive to realize with 4 road 25G.Therefore for current routine SFP+ packing forms cannot support 100G PON
The demand of ONU, therefore Ethernet 100G optical modules propose that, using CFP4 packing forms, the golden finger of this kind of packing forms includes 56
Individual pin, each pin is connected according to its function definition with corresponding circuit.But Ethernet 100G optical modules and access network 100G
PON ONU optical modules are obvious differences, for Ethernet 100G optical modules, are realized using 4 road 25G transmittings,
But the transmitting of four tunnels is uniformly controlled simply by the control signals of TX_DISABLE all the way of golden finger, i.e., simply by golden finger
The unification of signal all the way close transmitting or open transmitting, and for access network 100G PON ONU optical modules, due to needing reality
Existing partial wave is long, time-sharing multiplex, needs quick control switching transmitting respectively, therefore the optical module of existing CFP4 encapsulation is
No longer it is suitable for.
The content of the invention
For the problems referred to above, the embodiment of the present invention provides a kind of optical module, by redefining to pin, realizes branch
The switching of quick control optical transmitting set.
Embodiment of the present invention provides a kind of optical module, including：Single-chip microcomputer, four tunnels being connected with the single-chip microcomputer respectively
Optical transmitting set and No. four optical receivers, and for optical module inside and the golden finger of external device communication；The golden handss
Finger includes that four are opened for sending control signal to optical transmitting set described in four tunnels to control the luminous emitter of four road light respectively
Or the control pin closed；
When arbitrary Lu Wei that the single-chip microcomputer is used in optical receiver described in four tunnels receives optical signal, generate and notify letter
Number transmitted to the external equipment by the setting pin of the golden finger.
In certain embodiments of the present invention, the golden finger also includes management data clock pin；The single-chip microcomputer
Transmitted to the external equipment by the management data clock pin when the notification signal is generated.
In certain embodiments of the present invention, the control signal enables signal for burst.
In certain embodiments of the present invention, the control pin is used to be superimposed described dashing forward when transmitting enables signal
Send out and enable signal.
In certain embodiments of the present invention, the golden finger also includes：Four pairs of transmission signal input pins and four pairs
Receiving data output pin.
In certain embodiments of the present invention, the golden finger also includes：Power pin, the power pin includes light
Emitter power pin, optical receiver power pin and ground pin.
In certain embodiments of the present invention, the optical module is the optical mode based on passive optical-fiber network optical network unit
Block.
In certain embodiments of the present invention, the optical transmitting set is laser instrument.
The present invention has following Advantageous Effects：
The optical module that embodiment of the present invention is provided, including single-chip microcomputer, No. four optical transmitting sets for being connected with single-chip microcomputer respectively
With No. four optical receivers, and for the golden finger of optical module inside and external device communication；Wherein, golden finger includes four use
Yu Xiang No. tetra- optical transmitting sets send control signal to control the control pin that the luminous emitter of four road light is turned on and off respectively；Monolithic
When arbitrary Lu Wei that machine is used in No. four optical receivers receives optical signal, setting pipe of the notification signal by golden finger is generated
Foot is transmitted to external equipment.The notification signal for not receiving optical signal is reported by single-chip microcomputer by setting pin, it is not necessary to take
Multiple pins are reported respectively when each road optical receiver does not receive optical signal, so as to make the pin point four for leaving unused
Road transmission of control signals controls respectively being turned on and off for No. four optical transmitting sets.
Description of the drawings
Fig. 1 is the structural representation of optical module provided in an embodiment of the present invention；
Fig. 2 is the golden finger schematic layout pattern of optical module provided in an embodiment of the present invention.
Specific embodiment
For the problems referred to above, the embodiment of the present invention provides a kind of optical module, by the reasonable distribution of docking port, realizes branch
The switching of quick control optical transmitting set.
As shown in figure 1, optical module provided in an embodiment of the present invention, including：Single-chip microcomputer 11, respectively it is connected with single-chip microcomputer 11
No. four optical transmitting sets 12 and No. four optical receivers 13, and for optical module inside and the golden finger 14 of external device communication.
Wherein, golden finger 14 includes that four are used to send control signal to control four road light respectively to No. four optical transmitting set 12
The control pin that luminous emitter 12 is turned on and off.
Single-chip microcomputer 11, when receiving optical signal for the arbitrary Lu Wei in No. four optical receivers 13, generates notification signal
Transmitted to external equipment by the setting pin of golden finger 14.
Above-mentioned optical module provided in an embodiment of the present invention may be based on the optical module of CFP4 packing forms, can meet 100G
PON ONU optical modules are realized being divided into the opening and closing that 4 tunnels control respectively optical transmitting set to 4 road 25G transmittings.100G modules are encapsulated
From initial CFP to CFP4, compared with CFP encapsulation CFP2 are encapsulated, the volume of CFP4 optical modules is the half of CFP2, is CFP width
The 1/4 of degree.Due to volume reduce CFP4 optical modules power consumption decline to a great extent, can also using when by port density increase by one
Times.And in above-mentioned optical module provided in an embodiment of the present invention, the pin of its golden finger is redefined, will originally only by
All the way pin signal control optical transmitting set is changed into and distinguishes transmission of control signals by four pins, so as to control optical transmitting set respectively
Opening and closing.
In concrete application, external equipment with the golden finger of above-mentioned optical module provided in an embodiment of the present invention by being led to
News, from external equipment to four tunnel control pipe human hair combing wastes of golden finger control signal is sent, and the control signal is low and high level signal, so as to
Optical transmitting set is controlled according to the level branch of control signal to be turned on and off, for example, when control signal is high level, light transmitting
Device is opened；When control signal is low level, optical transmitting set is closed.Need to outside when optical receiver does not receive optical signal
Equipment sends a notification signal, and the signal can be RX_LOS signals, and No. four optical receivers are respectively necessary for a pin to transmit
The RX_LOS signals, the number of pins of occupancy is more, and RX_LOS signals are relatively low to time requirement, provided in an embodiment of the present invention
In above-mentioned optical module, the optical signal of four kinds of optical receivers, the arbitrary road in four kinds of optical receivers are monitored simultaneously using single-chip microcomputer
When not receiving optical signal, RX_LOS signals are generated by a setting pin by the RX_LOS signal transmissions to external equipment, by
This can would sit idle for being used as above-mentioned control pin, with transmission of control signals controlling unlatching and the pass of No. four optical transmitting sets respectively
Close.
Further, the golden finger in above-mentioned optical module provided in an embodiment of the present invention also includes management data clock pipe
Foot；Single-chip microcomputer can be reported when above-mentioned notification signal (RX_LOS signals) is generated by managing data clock pin.Additionally,
Also can be communicated with transmitting notification signal (RX_LOS signals), the present invention to external equipment with external equipment by other pins
Embodiment is not limited thereof.
In the specific implementation, the above-mentioned control signal being transmitted respectively by four road pins can enable signal for burst.
During practical application, the two reference clock pins reserved in optical module can be used to be used for transmission burst and to enable signal.Further,
Control pin can be superimposed the burst when transmitting enables signal and enable letter, so as to control to No. four optical transmitting sets respectively
System.
In actual applications, the golden finger of above-mentioned optical module provided in an embodiment of the present invention also includes：Four pairs of transmission signals
Input pin and four pairs of reception data out pin.Additionally, above-mentioned golden finger also includes：Power pin, power pin includes light
Emitter power pin, optical receiver power pin and ground pin etc..
As shown in Fig. 2 the package layout for each pin in the golden finger of above-mentioned optical module provided in an embodiment of the present invention is shown
It is intended to.In order that above-mentioned optical module provided in an embodiment of the present invention can be divided into the opening and closing that four tunnels control optical transmitting set, can
Using interface definition as shown in the table.
As can be seen from the above table, pin pin11, pin12, pin42 and pin43 is respectively used to transmit the burst of four tunnels and enable believe
Number Burst0, Burst1, Burst2 and Burst3, are respectively used to control the opening and closing of optical transmitting set.Specifically, above-mentioned light
Emitter can adopt laser instrument, the alternatively equipment such as laser chip, light emitting diode；Optical receiver can adopt photo-detector, light
Electric diode etc..In actual applications, the laser instrument drive circuit corresponding with photo-detector is connected, each pipe of golden finger
Foot connects with corresponding circuit.For pin11 is multiplexed original TX_DISABLE signal pins, it is applied to transmit Burst0 signals, control
Make the quick opening and closing of No. 0th laser instrument.Pin12 indicates pin for former no reception signal, does not connect in No. four photo-detectors
When receiving optical signal, RX_LOS signals are exported respectively by corresponding pin by the drive circuit of photo-detector, of the invention real
During the optical module of example offer is provided, pin12 is changed to transmit Burst1 signals, controls quick unlatching and the pass of No. 1st laser instrument
Close.By the road RX_LOS signal conditions of microcomputer monitoring four, by the management data clock MDC pin communication uploaded states of pin17.
It is reference clock pin in former pin definitions, it is contemplated that the two pins are not applied at present for pin42 and pin43,
Therefore Burst2 signals are transmitted using pin43, controls the quick opening and closing of No. 2nd laser instrument, transmitted using pin42
Burst3 signals, control the quick opening and closing of No. 3rd laser instrument.Thus, the pin in optical module is redefined, respectively
By four pin transmission of control signals (Burst signals), and realized to 4 tunnel quick control optical transmitting sets according to control signal
Judge and open, so as to meet the use demand of access network 100G PON ONU optical modules.
In addition to above-mentioned pin11, pin12, pin42 and pin43, optical module provided in an embodiment of the present invention also includes it
Its pin, and be connected with corresponding function circuit.
Pin28, pin28, pin29, pin32, pin35, pin38, pin41, pin44, pin47, pin50, pin53 and
Pin56 is power ground GND.
Pin1, pin2, pin7 and pin8 are defeated ground pin 3.3_GND of power supply.
Pin3, pin4, pin5 and pin6 are power input pin.
Pin30, pin31, pin33, pin34, pin36, pin37, pin39 and pin40 are four pairs of reception data outputs
Foot.
Pin45, pin46, pin48, pin49, pin51, pin52, pin54 and pin55 are four pairs of transmitting data input pipes
Foot.
It should be noted that each pin length is inconsistent in above-mentioned optical module provided in an embodiment of the present invention, so as to insert
Each pin has certain insertion sequence when entering the communication interface of external equipment, as shown in the table：
Can ensure that optical module connects ground by above-mentioned insertion sequence, reconnect power supply, so as to prevent circuit problem mould is caused
Block burns out, more safety.
Above-mentioned optical module provided in an embodiment of the present invention, including single-chip microcomputer, the four road light transmittings that are connected with single-chip microcomputer respectively
Qi He No. tetra- optical receivers, and for optical module inside and the golden finger of external device communication；Wherein, golden finger includes four
For sending control signal to No. four optical transmitting sets to control the control pin that the luminous emitter of four road light is turned on and off respectively；It is single
When arbitrary Lu Wei that piece machine is used in No. four optical receivers receives optical signal, setting of the notification signal by golden finger is generated
Pin is transmitted to external equipment.The notification signal for not receiving optical signal is reported by single-chip microcomputer by setting pin, it is not necessary to account for
Reported when each road optical receiver does not receive optical signal respectively with multiple pins, so as to the pin point for leaving unused can be made
Four road transmission of control signals control respectively being turned on and off for No. four optical transmitting sets, so as to meet access network 100G PON ONU light
The use demand of module.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (8)
1. a kind of optical module, including：Single-chip microcomputer, No. four optical transmitting sets being connected with the single-chip microcomputer respectively and four road light-receivings
Device, and for optical module inside and the golden finger of external device communication；Characterized in that, the golden finger includes four
For sending control signal to optical transmitting set described in four tunnels to control the control that light luminous emitter in four road is turned on and off respectively
Tubulation foot；
When arbitrary Lu Wei that the single-chip microcomputer is used in optical receiver described in four tunnels receives optical signal, generate notification signal and lead to
The setting pin for crossing the golden finger is transmitted to the external equipment.
2. optical module as claimed in claim 1, it is characterised in that the golden finger also includes management data clock pin；Institute
State single-chip microcomputer to transmit to the external equipment by the management data clock pin when the notification signal is generated.
3. optical module as claimed in claim 1, it is characterised in that the control signal enables signal for burst.
4. optical module as claimed in claim 3, it is characterised in that the control pin be used for transmitting enable it is folded during signal
Plus the burst enables signal.
5. optical module as claimed in claim 1, it is characterised in that the golden finger also includes：Four pairs of transmission signal input pipes
Foot and four pairs of reception data out pin.
6. optical module as claimed in claim 1, it is characterised in that the golden finger also includes：Power pin, the confession fulgurite
Foot includes optical transmitting set power pin, optical receiver power pin and ground pin.
7. the optical module as described in any one of claim 1-6, it is characterised in that the optical module is based on passive optical-fiber network
The optical module of optical network unit.
8. the optical module as described in any one of claim 1-6, it is characterised in that the optical transmitting set is laser instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155794.4A CN106685531A (en) | 2016-12-14 | 2016-12-14 | Optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155794.4A CN106685531A (en) | 2016-12-14 | 2016-12-14 | Optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106685531A true CN106685531A (en) | 2017-05-17 |
Family
ID=58868307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155794.4A Pending CN106685531A (en) | 2016-12-14 | 2016-12-14 | Optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106685531A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233702A (en) * | 2019-05-27 | 2019-09-13 | 深圳市迅特通信技术有限公司 | A kind of signal transmission method and optical mode block system based on optical module |
| WO2020108294A1 (en) * | 2018-11-28 | 2020-06-04 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| CN102625199A (en) * | 2012-04-23 | 2012-08-01 | 索尔思光电（成都）有限公司 | Dual-channel GEPON OLT CSFP (Gigabitcapable Passive Optical Network Optical Line Terminal Compact Small Form Factor Pluggable) optical module |
| CN202488463U (en) * | 2012-03-29 | 2012-10-10 | 成都新易盛通信技术股份有限公司 | Conversion circuit and converter for converting XENPAK (10 Gigabit EtherNet Transceiver PAcKage) into SFP+ (Small Form-factor Pluggable Plus) optical module |
| CN103650388A (en) * | 2013-07-29 | 2014-03-19 | 华为技术有限公司 | Optical component and passive optical network (PON) system |
| CN203773102U (en) * | 2014-03-26 | 2014-08-13 | 深圳新飞通光电子技术有限公司 | QSFP optical module |
| CN106130649A (en) * | 2016-07-12 | 2016-11-16 | 武汉电信器件有限公司 | A kind of QSFP+ optical module assembly |
-
2016
- 2016-12-14 CN CN201611155794.4A patent/CN106685531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488463U (en) * | 2012-03-29 | 2012-10-10 | 成都新易盛通信技术股份有限公司 | Conversion circuit and converter for converting XENPAK (10 Gigabit EtherNet Transceiver PAcKage) into SFP+ (Small Form-factor Pluggable Plus) optical module |
| CN102625199A (en) * | 2012-04-23 | 2012-08-01 | 索尔思光电（成都）有限公司 | Dual-channel GEPON OLT CSFP (Gigabitcapable Passive Optical Network Optical Line Terminal Compact Small Form Factor Pluggable) optical module |
| CN103650388A (en) * | 2013-07-29 | 2014-03-19 | 华为技术有限公司 | Optical component and passive optical network (PON) system |
| CN203773102U (en) * | 2014-03-26 | 2014-08-13 | 深圳新飞通光电子技术有限公司 | QSFP optical module |
| CN106130649A (en) * | 2016-07-12 | 2016-11-16 | 武汉电信器件有限公司 | A kind of QSFP+ optical module assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108294A1 (en) * | 2018-11-28 | 2020-06-04 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110233702A (en) * | 2019-05-27 | 2019-09-13 | 深圳市迅特通信技术有限公司 | A kind of signal transmission method and optical mode block system based on optical module |
| CN110233702B (en) * | 2019-05-27 | 2024-05-31 | 深圳市迅特通信技术股份有限公司 | Signaling transmission method based on optical module and optical module system |
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Application publication date: 20170517 |