CN109120349A - Golden finger module reuse circuit and optical module - Google Patents
Golden finger module reuse circuit and optical module Download PDFInfo
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- CN109120349A CN109120349A CN201811292084.5A CN201811292084A CN109120349A CN 109120349 A CN109120349 A CN 109120349A CN 201811292084 A CN201811292084 A CN 201811292084A CN 109120349 A CN109120349 A CN 109120349A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
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Abstract
The present invention discloses a kind of golden finger module reuse circuit and optical module, wherein, golden finger module reuse circuit includes golden finger module, switch chip and control unit, golden finger module is plugged on external communication device, switch chip includes the first common signal end, first signal output end and second signal output end, first common signal end of switch chip is connect with the signal multiplexing pin of golden finger module, first controlled end of switch chip and the first control terminal of control unit connect, control unit outputs control signals to switch chip, it is connected between the first common signal end and the first signal output end with controlling, or it is connected between the first common signal end of control and second signal output end, to realize that originator cut-off signals and receiving end sampled signal carry out signal transmission by signal multiplexing pin and external communication device.To realize the pin multiplexing of golden finger module, the utilization rate of optical module pin is improved.
Description
Technical field
The present invention relates to technical field of photo communication, in particular to a kind of golden finger module reuse circuit and optical module.
Background technique
SFP optical module is the small-sized hot plug optical module for meeting MSA agreement, and bi-directional data is provided in optical communication system and is passed
Defeated function has the characteristics that transmission rate height, small in size, individual producers of definition and agreement due to to(for) module golden finger
Difference increases the requirement of single two multiplexing functions of golden finger pin.But since individual producers are for module golden finger
Definition is different from agreement, and the electric function of the pin of SFP optical module all defines, and cannot change, which has limited optical modules
Flexible use.
Summary of the invention
The main object of the present invention is to provide a kind of golden finger module reuse circuit, it is intended to improve the utilization of optical module pin
Rate.
To achieve the above object, golden finger module reuse circuit proposed by the present invention, the golden finger module reuse circuit are used
In the originator cut-off signals and the signal multiplexing of receiving end sampled signal for realizing optical module include golden finger module, switch chip and control
Unit processed, the golden finger module are plugged on external communication device, and the switch chip includes the first common signal end, first
Signal output end and second signal output end, the first common signal end of the switch chip and the signal of the golden finger module
It is multiplexed foot connection, the first controlled end of the switch chip and the first control terminal of described control unit connect；
Described control unit, for outputing control signals to the switch chip, to control first common signal end
Be connected between first signal output end, or control first common signal end and the second signal output end it
Between be connected, with realize the originator cut-off signals and the receiving end sampled signal pass through the signal multiplexing pin transmit.
Preferably, the switch chip further includes the second controlled end, the second common signal end, third signal output end,
Second control terminal of four signal output ends, ground terminal and power end, second controlled end and described control unit connects, described
Second common signal end is in parallel with the second signal output end, and the third signal output end is grounded with the ground terminal,
The fourth signal output end is hanging, and the power end is connect with operating voltage input terminal.
Preferably, described control unit also further includes controlled end, the first letter of the controlled end and the golden finger module
The connection of number pin.
Preferably, the golden finger module reuse circuit further includes light emission component, light-receiving component and sample circuit, institute
It states light emission component to connect with the second signal output end of the switch chip, the controlled end of the sample circuit and the switch
First signal output end of chip connects, and the sampling end of the sample circuit is connect with the signal end of the light-receiving component.
Preferably, the light emission component is laser, and the light-receiving component is photodiode.
Preferably, described control unit is microprocessor.
The present invention also proposes a kind of optical module, including golden finger module reuse circuit as described above.
Technical solution of the present invention forms golden finger module reuse circuit, the gold hand by using switch chip and control unit
Refer to module reuse circuit for realizing the signal multiplexing of the originator cut-off signals and receiving end sampled signal of optical module, golden finger module
It is plugged on external communication device, switch chip includes the first common signal end, the first signal output end and second signal output
End, the first common signal end of switch chip are connect with the signal multiplexing pin of golden finger module, and the first of switch chip is controlled
End is connect with the first control terminal of control unit, and control unit outputs control signals to switch chip, to control the first public letter
Number end and the first signal output end between be connected, or control the first common signal end and second signal output end between be connected,
To realize that originator cut-off signals and receiving end sampled signal carry out signal transmission by signal multiplexing pin and external communication device.From
And realize the pin multiplexing of golden finger module, improve the utilization rate of optical module pin.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the module diagram of one embodiment of golden finger module reuse circuit of the present invention；
Fig. 2 is the module diagram of another embodiment of golden finger module reuse circuit of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the "and/or" occurred in full text contains
Justice are as follows: including three schemes arranged side by side, by taking " A/B " as an example, including the scheme that A scheme or B scheme or A and B meet simultaneously, separately
Outside, the technical solution between each embodiment can be combined with each other, can be real with those of ordinary skill in the art but must be
Based on existing, the combination of this technical solution will be understood that not when conflicting or cannot achieve when occurs in the combination of technical solution
In the presence of, also not the present invention claims protection scope within.
The present invention proposes a kind of golden finger module reuse circuit, it is intended to improve the utilization rate of optical module pin.
As shown in FIG. 1, FIG. 1 is the module diagram of one embodiment of golden finger module reuse circuit of the present invention, the golden fingers
Signal multiplexing of the module reuse circuit for realizing originator the cut-off signals TX_DIS and receiving end sampled signal RSSI of optical module, packet
Golden finger module 10, switch chip 20 and control unit 30 are included, the golden finger module 10 is plugged on external communication device, and (figure is not
Show) on, the switch chip 20 includes that the first common signal end COM1, the first signal output end NO1 and second signal export
Hold NC1, the first common signal end COM1 of the switch chip 20 and the signal multiplexing foot TX_DIS/ of the golden finger module 10
RSSI connection, the first controlled end IN1 of the switch chip 20 are connect with the first control terminal Ctr1 of described control unit 30；
Described control unit 30, for outputing control signals to the switch chip 20, to control the described first public letter
Number end COM1 and the first signal output end NO1 between be connected, or control first common signal end COM1 with it is described
It is connected between second signal output end NC1, to realize the originator cut-off signals TX_DIS and the receiving end sampled signal RSSI
It is transmitted by the signal multiplexing pin.
In the present embodiment, optical module includes originator and receiving end, is respectively used to send optical signal and receives optical signal, originator closes
Break signal TX_DIS is for the shutdown of control originator or opens, and receiving end sampled signal RSSI works for controlling sample circuit 50,
Sample circuit 50 receives the intensity sampling of progress receiving end optical signal after receiving end sampled signal RSSI, and start cut-off signals TX_DIS
It is not interfere with each other with receiving end sampled signal RSSI, it therefore, can be by same optical mode when in order to realize wherein some signal transmission
Block pin, the i.e. same pin of golden finger module 10, so as to be transmitted by the way of multiplexing.
When optical module works, external communication device, which passes through, to send instructions under IIC to optical module, in confirmation golden finger module 10
When the signal multiplexing foot function to be realized of TX_DIS/RSSI, the control unit 30 of optical module is according to the register readback of optical module
Value output control signals to switch chip 20, the output state of the I/O port of rapid configuration switch chip 20, then PERCOM peripheral communication
Equipment, which passes through, to send instructions under signal multiplexing foot TX_DIS/RSSI through switch chip 20, and is sent to corresponding inside optical module
Module, switch chip 20 are pure hardware circuit, receive fast reaction after signal, control unit 30 is not involved in the place of any signal
Reason, golden finger module reuse circuit response speed is quick, is delayed shorter, and only has switch chip 20 to join in signals transmission
Fidelity transmission may be implemented, for example, in signal so that the signal of input and the signal of output are consistent with signal processing
Receiving end sampled signal RSSI is a square wave in transmission, is also the same square wave by the output of switch chip 20.
When the signal multiplexing foot TX_DIS/RSSI of golden finger module 10 carries out originator cut-off signals TX_DIS transmission, control
Unit 30 processed exports first control signal to switch chip 20, and the second signal output end NC1 of switch chip 20 and first is public
Signal end COM1 conducting, originator signal multiplexing foot of the cut-off signals TX_DIS through golden finger module 10 that external communication device issues
TX_DIS/RSSI and switch chip 20 are sent to the light emission component 40 inside optical module, and then control light emission component 40
Shutdown is opened.
When the signal multiplexing foot TX_DIS/RSSI of golden finger module 10 carries out receiving end sampled signal RSSI transmission, control
Unit 30 exports second control signal to switch chip 20, the first signal output end NO1 and the first public letter of switch chip 20
Number end COM1 conducting, external communication device issue signal multiplexing foot TX_ of the receiving end sampled signal RSSI through golden finger module 10
DIS/RSSI and switch chip 20 are sent to the sample circuit 50 inside optical module, and then carry out signal to receiving end optical signal and adopt
Sample.
Control unit 30 works for exporting control Signal-controlled switch chip 20, microprocessor can be used, signal occurs
Device or level shifting circuit etc., herein with no restrictions, control unit 30 can be connect by conversion circuit with golden finger module 10,
Or directly connect with golden finger module 10, trigger button can also be set on optical module, when carrying out signal multiplexing, control
Unit 30 processed receives the trigger signal that golden finger module 10 issues or the corresponding output control of the trigger signal that trigger button issues
Signal, and then the internal switch switching of control switch chip 20, to realize originator cut-off signals TX_DIS and receiving end sampled signal
The multiplexing of RSSI.
Technical solution of the present invention forms 10 multiplex circuit of golden finger module by using switch chip 20 and control unit 30,
10 multiplex circuit of golden finger module starts cut-off signals TX_DIS's and receiving end sampled signal RSSI for realizing optical module
Signal multiplexing, golden finger module 10 are plugged on external communication device, and switch chip 20 includes the first common signal end COM1, the
One signal output end NO1 and second signal output end NC1, the first common signal end COM1 and golden finger module of switch chip 20
10 signal multiplexing pin connection, the first controlled end IN1 of switch chip 20 and the first control terminal Ctr1 of control unit 30 connect
It connects, control unit 30 outputs control signals to switch chip 20, is exported with controlling the first common signal end COM1 and the first signal
It is connected between the NO1 of end, or is connected between control the first common signal end COM1 and second signal output end NC1, to realize hair
Cut-off signals TX_DIS and receiving end sampled signal RSSI is held to carry out signal transmission by signal multiplexing pin and external communication device.
To realize the pin multiplexing of golden finger module 10, the utilization rate of optical module pin is improved.
In a preferred embodiment, the switch chip 20 further includes the second controlled end IN2, the second common signal end
COM2, third signal output end NO2, fourth signal output end NC2, ground terminal GND and power end V+, second controlled end
IN2 is connect with the second control terminal Ctr2 of described control unit 30, second common signal end COM2 and the second signal
Output end NC1 is in parallel, and the third signal output end NO2 is grounded with the ground terminal GND, and the fourth signal output end is outstanding
Sky, the power end V+ are connect with operating voltage input terminal.
In the present embodiment, normally switch between originator cut-off signals TX_DIS and receiving end sampled signal RSSI to realize,
Switch chip 20 further includes that the second controlled end IN2, the second common signal end COM2, third signal output end NO2, fourth signal are defeated
Outlet NC2, ground terminal GND and power end V+.
As shown in table 1,0 low level is indicated, 1 indicates high level, as 10 signal multiplexing foot TX_DIS/RSSI of golden finger module
When selecting originator cut-off signals TX_DIS function, the first control terminal Ctr1 of control unit 30 exports low level to switch chip
20, the first common signal end COM1 to second signal output end NC1 conducting, the second control terminal Ctr2 of control unit 30 are also exported
To switch chip 20, the second common signal end COM2 to fourth signal output end NC2 is connected low level, because fourth signal exports
Hold NC2 hanging, external communication device can be reached control originator and be beaten by the level height of control originator cut-off signals TX_DIS
The disconnected purpose of on or off.
When signal multiplexing foot TX_DIS/RSSI selects receiving end sampled signal RSSI function, the second control of control unit 30
End Ctr2 processed first exports high level to switch chip 20, and the second common signal end COM2 to third signal output end NO2 is connected, because
For third signal output end NO2 ground connection, so originator can keep always on, then the first control terminal Ctr1 of control unit 30
High level is exported again to switch chip 20, and the first common signal end COM1 is connected to the first signal output end NO1, realizes that originator is adopted
The switching of sample semiotic function.
Similarly, it when to postback end cut-off signals TX_DIS function from receiving end sampled signal RSSI function switch, first to allow
First control terminal Ctr1 of control unit 30 first exports low level, then the second control terminal Ctr2 of control unit 30 is allowed to export low electricity
It is flat, guarantee that originator will not be turned off because of function switch.
| IN1 | IN2 | TX_DIS | RSSI |
| 0 | 0 | √ | × |
| 0 | 1 | GND | × |
| 1 | 1 | GND | √ |
| 0 | 1 | GND | × |
| 0 | 0 | √ | × |
Table 1
In an alternative embodiment, described control unit 30 also further includes controlled end, the controlled end and the golden finger
First signal pins PIN1 connection of module 10.
In the present embodiment, 30 controlled end of control unit receives the control signal that golden finger module 10 issues and then corresponding from the
One control terminal Ctr1 and the second control terminal Ctr2 output control signal, in the 10 signal multiplexing foot of golden finger module for needing optical module
When TX_DIS/RSSI realizes originator cut-off signals TX_DIS function, external communication device passes through other the one of golden finger module 10
A pin exports low level/high level to control unit 30, and control unit 30 is controlled from the first control terminal Ctr1 and second respectively
End Ctr2 exports low level to switch chip 20, to realize the transmission of originator cut-off signals TX_DIS respectively.
Receiving end sampled signal RSSI function is realized in the 10 signal multiplexing foot TX_DIS/RSSI of golden finger module for needing optical module
Can when, external communication device exports high level/low level to control unit 30 by another pin of golden finger module 10,
Control unit 30 exports high level to switch chip 20 from the first control terminal Ctr1 and the second control terminal Ctr2 respectively respectively, thus
Realize the transmission of receiving end sampled signal RSSI.
As shown in Fig. 2, Fig. 2 is the module diagram of another embodiment of 10 multiplex circuit of golden finger module of the present invention, it is described
10 multiplex circuit of golden finger module further includes light emission component 40, light-receiving component 60 and sample circuit 50, the light emitting group
Part 40 is connected with the second signal output end NC1 of the switch chip 20, the controlled end and the switch of the sample circuit 50
First signal output end NO1 connection of chip 20, the signal of the sampling end of the sample circuit 50 and the light-receiving component 60
End connection.
In the present embodiment, switch chip 20 is connect with light emission component 40 and sample circuit 50 respectively, and sample circuit 50 is used
In carrying out signal sampling and corresponding output feedback signal to light-receiving component 60,60 receiving end light of light-receiving component is believed with realizing
Number intensity detected, 30 control switch chip 20 of control unit the first common signal end COM1 and second signal export
When holding NC1 conducting, light emission component 40 receives originator cut-off signals TX_DIS, and external communication device can control originator shutdown
The level height and then control light emission component 40 of signal TX_DIS works or stops working.
In an alternative embodiment, the light emission component 40 is laser, and the light-receiving component 60 is two pole of photoelectricity
Pipe.
Laser is the device that can emit laser, and is worked according to the originator cut-off signals TX_DIS received, is swashed
Light device includes a variety of, such as solid state laser, liquid laser, gas laser, semiconductor laser etc., is not done herein specific
Limitation.
Photodiode is the optoelectronic sensor that optical signal is converted into electric signal, the signal end of photodiode and sampling
The signal end of circuit 50 connects, and sample circuit 50 exports feedback signal according to the received light signal strength of photodiode is corresponding,
Feedback signal can the pin Jing Guo golden finger module 10 export to external communication device.
In an alternative embodiment, described control unit 30 is microprocessor.
In the present embodiment, the first signal end of microprocessor is the first control terminal Ctr1 of control unit 30, microprocessor
Second signal end be control unit 30 the second control terminal Ctr2, the third signal end of microprocessor be control unit 30 by
End is controlled, control unit 30 is needed the function of realizing correspondence to output control signals to switch chip 20, opened with control according to optical module
Close transmission and switching that chip 20 works and carries out signal.
The present invention also proposes a kind of optical module, including 10 multiplex circuit of golden finger module as described above.
The present invention also proposes a kind of optical module, which includes 10 multiplex circuit of golden finger module, the golden finger module
The specific structure of 10 multiplex circuits is referring to above-described embodiment, since this optical module uses whole technologies of above-mentioned all embodiments
Scheme, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (7)
1. a kind of golden finger module reuse circuit, for realizing the signal of the originator cut-off signals and receiving end sampled signal of optical module
Multiplexing, which is characterized in that including golden finger module, switch chip and control unit, the golden finger module is plugged on external logical
Believe in equipment, the switch chip includes the first common signal end, the first signal output end and second signal output end, described to open
The the first common signal end for closing chip is connect with the signal multiplexing foot of the golden finger module, and the first of the switch chip is controlled
End is connect with the first control terminal of described control unit；
Described control unit, for outputing control signals to the switch chip, to control first common signal end and institute
It states and is connected between the first signal output end, or led between control first common signal end and the second signal output end
It is logical, to realize that the originator cut-off signals and the receiving end sampled signal are transmitted by the signal multiplexing pin.
2. golden finger module reuse circuit as described in claim 1, which is characterized in that the switch chip further include second by
End, the second common signal end, third signal output end, fourth signal output end, ground terminal and power end are controlled, described second is controlled
End is connect with the second control terminal of described control unit, and second common signal end is in parallel with the second signal output end,
The third signal output end is grounded with the ground terminal, and the fourth signal output end is hanging, the power end and work
Voltage input end connection.
3. golden finger module reuse circuit as claimed in claim 2, which is characterized in that described control unit also further includes controlled
End, the controlled end are connect with the first signal pins of the golden finger module.
4. golden finger module reuse circuit as claimed in claim 3, which is characterized in that the golden finger module reuse circuit is also
Including light emission component, light-receiving component and sample circuit, the second signal of the light emission component and the switch chip is defeated
Outlet connection, the controlled end of the sample circuit are connect with the first signal output end of the switch chip, the sample circuit
Sampling end connect with the signal end of the light-receiving component.
5. golden finger module reuse circuit as claimed in claim 4, which is characterized in that the light emission component is laser,
The light-receiving component is photodiode.
6. golden finger module reuse circuit as described in claim 1, which is characterized in that described control unit is microprocessor.
7. a kind of optical module, which is characterized in that including golden finger module reuse electricity as claimed in any one of claims 1 to 6
Road.
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| CN201811292084.5A CN109120349A (en) | 2018-10-31 | 2018-10-31 | Golden finger module reuse circuit and optical module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292084.5A CN109120349A (en) | 2018-10-31 | 2018-10-31 | Golden finger module reuse circuit and optical module |
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| CN109120349A true CN109120349A (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698582A (en) * | 2020-05-20 | 2020-09-22 | 烽火通信科技股份有限公司 | COMBO optical module and multimode PON system |
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|---|---|---|---|---|
| CN102868439A (en) * | 2012-09-26 | 2013-01-09 | 索尔思光电（成都）有限公司 | Control system for realizing multiplexing of pin of OLT (optical line terminal) optical module |
| CN107171661A (en) * | 2017-05-18 | 2017-09-15 | 青岛海信宽带多媒体技术有限公司 | Pin multiplexing method and device, optical module and communication equipment |
| CN107332553A (en) * | 2017-07-24 | 2017-11-07 | 青岛海信宽带多媒体技术有限公司 | Method, device and the OLT optical modules of OLT optical module pin multiplexings |
-
2018
- 2018-10-31 CN CN201811292084.5A patent/CN109120349A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868439A (en) * | 2012-09-26 | 2013-01-09 | 索尔思光电（成都）有限公司 | Control system for realizing multiplexing of pin of OLT (optical line terminal) optical module |
| CN107171661A (en) * | 2017-05-18 | 2017-09-15 | 青岛海信宽带多媒体技术有限公司 | Pin multiplexing method and device, optical module and communication equipment |
| CN107332553A (en) * | 2017-07-24 | 2017-11-07 | 青岛海信宽带多媒体技术有限公司 | Method, device and the OLT optical modules of OLT optical module pin multiplexings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698582A (en) * | 2020-05-20 | 2020-09-22 | 烽火通信科技股份有限公司 | COMBO optical module and multimode PON system |
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