CN201260169Y - Electric interface used for optical module and optical module having the electric interface - Google Patents
Electric interface used for optical module and optical module having the electric interface Download PDFInfo
- Publication number
- CN201260169Y CN201260169Y CNU2008201727418U CN200820172741U CN201260169Y CN 201260169 Y CN201260169 Y CN 201260169Y CN U2008201727418 U CNU2008201727418 U CN U2008201727418U CN 200820172741 U CN200820172741 U CN 200820172741U CN 201260169 Y CN201260169 Y CN 201260169Y
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- optical module
- electrical interface
- main system
- input pin
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Abstract
The utility model discloses an electrical interface for an optical module and a light module with the electrical interface, which comprises a light module, a main system and electrical interfaces, wherein the electrical interfaces are respectively arranged on the light module and the main system, and the electrical interface comprises a transmission signal input pin transmitting transmission signals generated by the main system to the optical module, a reception signal output pin transmitting signals received by the light module to the main system, and an emergency enable-control signal input pin transmitting emergency enable-control signals generated by the main system to the light module. The electrical interface of the utility model not only can realize the symmetrical transmission of two paths of transmission signals and two paths of reception signals, but also provides the emergency enable-control signal input pin required by a PON system, and thereby meeting the requirements of ONU emergency of the PON system in the light module of a light network unit based on a passive optical network. The utility model can be directly used in a 10G EPON ONU optical system so as to promote the development of a Gigabit Ethernet passive optical network.
Description
Technical field
The utility model belongs to the optical communication technology field, specifically, relates to a kind of optical module that is used for the electrical interface of optical module and uses this electrical interface.
Background technology
In present optical signal transceiver module, generally all be to adopt conventional XFP standard electric interface to realize the transmitted in both directions of signal between optical module and the main system.XFP standard electric interface is based on the small size plug type electrical interface of 10Gb/S speed, is separately positioned on optical module and the main system, when optical module receives the light signal of 10Gb/S speed, is converted into the signal of telecommunication and is transferred in the main system by the XFP electrical interface; And need be when remote equipment sends signal in main system, by the XFP electrical interface signal of telecommunication is sent in the optical module, is that the light signal of 10Gb/S speed is launched by optical module with electrical signal conversion, thereby realizes the Optical Fiber Transmission of signal between main system and the remote equipment.
For existing XFP electrical interface, at present only be used to transmit the signal of 10Gb/S speed, and have only that riches all the way and penetrate He Yilu and receive, and lack the needed Burst Enable of passive optical network PON system or ethernet passive optical network EPON system signal (enable signal promptly happens suddenly) input pin, therefore, can't transmit Burst Enable signal, to satisfy the burst requirement of PON system or the ONU of EPON system optical network unit, thereby can not directly be applied in the 10G EPON ONU optical module, particularly need in the 10G EPON ONU optical module of two-way emission and two-way reception.
The utility model content
The purpose of this utility model is to provide a kind of optical module electrical interface based on passive optical network, with the burst requirement of satisfying passive optical network ONU optical network unit and the request signal transmission between optical module and the main system.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of electrical interface that is used for optical module comprises optical module, main system and electrical interface; Described electrical interface is separately positioned on optical module and the main system, comprises that the input pin that transmits that transfers to optical module that transmits that main system is produced, the signal that optical module is received transfer to the received signal output pin of main system and the burst enable signal input pin that the burst enable signal that main system produces is transferred to optical module.
Further, in described electrical interface, comprise two groups of transmit input pin and two group of received signal output pins, to transmit transmitting and received signal of two kinds of speed.
Wherein, described transmit and received signal is differential signal carried out symmetry and transmitted by transmit input pin and two-way received signal output pin of two-way respectively.
Further again, in described electrical interface, comprise two-way burst enable signal input pin, the burst enable signal that the two-way different rates transmits required is controlled in transmission respectively.
Further again, in described electrical interface, also comprise the output pin of power supply input pin, grounding leg, bus signal transmission pin, reference clock input pin and Received Loss Of Signal sign.
Further, described optical module is based on the optical module of EPON optical network unit.
Based on above-mentioned electrical interface structure, the utility model provides a kind of optical module with described electrical interface again, described optical module is a kind of optical module based on the EPON optical network unit, by the electrical interface that is connected communication on it with main system is redesigned, make it possess can transmit transmit, the function pin of received signal and burst enable signal, thereby satisfied the burst requirement of PON passive optical network ONU optical network unit in the optical module, can directly be applied in the 10G EPON ONU optical module.
Compared with prior art, advantage of the present utility model and good effect are: electrical interface of the present utility model is by redesigning the XFP standard electric interface that is connected between optical module and the main system, not only possessed can symmetry transmission different rates signal the transmission pin, and provide PON system needed burst enable signal input pin, thereby satisfied burst requirement based on the ONU of PON system in the optical module of EPON optical network unit, can directly be applied in the 10G EPON ONU optical module, to promote the development of 10,000,000,000 ethernet passive optical networks.
Description of drawings
The structural representation of Fig. 1 a kind of embodiment that to be the electrical interface that proposes of the utility model be connected between optical module and main system.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
The utility model is in order to satisfy the burst requirement based on the ONU of PON system in the optical module of EPON optical network unit, selection has adopted a 30pin golden finger and the connector supporting with it to form electrical interface, be separately positioned on optical module and the main system, define by the content and the opering characteristic of electric apparatus electrical interface comprehensively, make it not only have multichannel and be used to transmit the function pin that receives and transmit, but also possessed the function pin of transmitting burst enable signal, therefore, can directly apply in the 10G EPON ONU optical module, to promote the development of 10,000,000,000 ethernet passive optical networks.
Be the concrete composition structure of setting forth described electrical interface of example to be applied in the 10G EPON ONU optical module below.
Embodiment one, and as shown in Figure 1, in the present embodiment, described electrical interface 1 is made up of a 30pin golden finger XS101 and the connector XS102 supporting with it.Golden finger XS101 directly is made on the optical module 2, end face 15pin, bottom surface 15pin (not shown in figure 1); Connector XS102 is arranged on the main system 3.By golden finger XS101 is inserted on the connector XS102, to realize the communication that is connected between optical module 2 and the main system 3.
Consider in some present 10G EPON ONU optical module, need receive and send the signal of telecommunication of two kinds of different rates simultaneously, such as needs realize 10G, the 1G two-way transmits and 10G, the transmission of 1G two-way received signal symmetry, therefore, aspect electrical specification of interface, adopted interface definition as shown in table 1.
Table 1
Can clearly be seen that by table 1: in described electrical interface 1, defined two groups and be used to transmit the function pin that receives and send the signal of telecommunication, and two-way is used for the function pin of transmitting burst enable signal Burst Enable.Wherein, the speed that is produced by main system 3 is that transmit TX_10G-, TX_10G+ of the difference of 10G enters in the optical module 2 by the 10G input pin 1,2 that transmits, and is converted into light signal by optical module 2 and launches, and receives for remote equipment; And the 10G light signal that is emitted by remote equipment is after optical module 2 receives, convert differential received signal RD_10G-, RD_10G+ that speed is 10G to, be sent in the main system 3 by 10G received signal output pin 17,18, and then realized optical fiber communication between remote equipment and the main system 3.In like manner, the speed that is produced by main system 3 is that transmit TX_1G-, TX_1G+ of the difference of 1G enters in the optical module 2 by the 1G input pin 28,29 that transmits, and is converted into light signal by optical module 2 and is transmitted into remote equipment; And the 1G light signal that is emitted by remote equipment converts differential received signal RD_1G-, RD_1G+ that speed is 1G to after optical module 2 receives, and is sent in the main system 3 by 1G received signal output pin 21,22.And burst enable signal Burst_1G, the Burst_10G of the emission of the needed 1G of PON system and 10G two-way are input in the optical module 2 by main system 3 by burst enable signal input pin 4,5 respectively in the optical module 2, enable control to realize 1G and 10G two-way transmitted.
In addition, in described electrical interface 1, also defined following function pin:
Pin the 3,7,15,16,19,20,23,26,27, the 30th, power supply ground GND;
Pin 6 is 5V power supply input pin VCC5, and this module is not used temporarily, the usefulness of upgrading after can be used as;
Pin 8 and 9 is 3.3V power supply input pin VCC3;
Pin one 0 and 11 is respectively I
2Serial clock signal transmission pin SCL that the C bus communication is used and serial data signal transmission pin SDA;
Pin one 2 is Mod_Abs signal output pins;
Pin one 3 is output pin RX_LOS_1G of the pairing Received Loss Of Signal sign of 1G signal, i.e. " Receiver Loss of Signal Indicator " (RX_LOS) signal pins;
Pin one 4 is output pin RX_LOS_10G of the pairing Received Loss Of Signal sign of 10G signal, i.e. " Receiver Loss of Signal Indicator " (RX_LOS) signal pins;
Pin two 4 and 25 is reference clock input pin REFCLK+, REFCLK-.
Electrical interface 1 of the present utility model can be realized the symmetry transmission that 1G, the emission of 10G two paths of signals and 1G, 10G two paths of signals receive easily in an optical module, and provide the needed Burst Enable of PON system signal input tube pin, can satisfy the requirement of PON system better, thereby improved the integrated level of system, promoted the development of ten thousand megabit ethernet passive optical networks.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection range of the present utility model.
Claims (10)
1, a kind of electrical interface that is used for optical module, comprise optical module, main system and electrical interface, it is characterized in that: described electrical interface is separately positioned on optical module and the main system, comprises that the input pin that transmits that transfers to optical module that transmits that main system is produced, the signal that optical module is received transfer to the received signal output pin of main system and the burst enable signal input pin that the burst enable signal that main system produces is transferred to optical module.
2, the electrical interface that is used for optical module according to claim 1 is characterized in that: comprise two groups of transmit input pin and two group of received signal output pins in described electrical interface.
3, the electrical interface that is used for optical module according to claim 2 is characterized in that: described input pin and the received signal output pin of transmitting is the differential signal transmission pin.
4, the electrical interface that is used for optical module according to claim 2 is characterized in that: comprise two-way burst enable signal input pin in described electrical interface, the burst enable signal that the two-way different rates transmits required is controlled in transmission respectively.
5, the electrical interface that is used for optical module according to claim 4 is characterized in that: the output pin that also comprises power supply input pin, grounding leg, bus signal transmission pin, reference clock input pin and Received Loss Of Signal sign in described electrical interface.
6, according to each described electrical interface that is used for optical module in the claim 1 to 5, it is characterized in that: described optical module is based on the optical module of EPON optical network unit.
7, a kind of optical module, described optical module is based on the optical module of EPON optical network unit, it is provided with the electrical interface that can be connected communication with main system, it is characterized in that: comprise that in described electrical interface the input pin that transmits that transfers to optical module that transmits that main system is produced, the signal that optical module is received transfer to the received signal output pin of main system and the burst enable signal input pin that the burst enable signal that main system produces is transferred to optical module.
8, optical module according to claim 7 is characterized in that: comprise two groups of difference transmit input pin and two groups of differential received signal output pins in described electrical interface.
9, optical module according to claim 8 is characterized in that: comprise two-way burst enable signal input pin in described electrical interface, the burst enable signal that the two-way different rates transmits required is controlled in transmission respectively.
10, according to each described optical module in the claim 7 to 9, it is characterized in that: the output pin that in described electrical interface, also comprises power supply input pin, grounding leg, bus signal transmission pin, reference clock input pin and Received Loss Of Signal sign.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201727418U CN201260169Y (en) | 2008-09-28 | 2008-09-28 | Electric interface used for optical module and optical module having the electric interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201727418U CN201260169Y (en) | 2008-09-28 | 2008-09-28 | Electric interface used for optical module and optical module having the electric interface |
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| Publication Number | Publication Date |
|---|---|
| CN201260169Y true CN201260169Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201727418U Expired - Lifetime CN201260169Y (en) | 2008-09-28 | 2008-09-28 | Electric interface used for optical module and optical module having the electric interface |
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| CN (1) | CN201260169Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546028A (en) * | 2012-03-05 | 2012-07-04 | 深圳市共进电子股份有限公司 | Discretely designed 10G burst transmitter |
| CN102594454A (en) * | 2012-02-15 | 2012-07-18 | 烽火通信科技股份有限公司 | Universal interface method for 10 GEPON (Gigabit Passive Optical Network) or XG-PON (XG-Passive Optical Network) OLT (Optical Line Terminal) or ONU (Optical Network Unit) SERDES (Serializer-Deserializer) |
| CN113346955A (en) * | 2021-08-05 | 2021-09-03 | 深圳市迅特通信技术股份有限公司 | ONU module used in passive optical network above 50G |
-
2008
- 2008-09-28 CN CNU2008201727418U patent/CN201260169Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594454A (en) * | 2012-02-15 | 2012-07-18 | 烽火通信科技股份有限公司 | Universal interface method for 10 GEPON (Gigabit Passive Optical Network) or XG-PON (XG-Passive Optical Network) OLT (Optical Line Terminal) or ONU (Optical Network Unit) SERDES (Serializer-Deserializer) |
| CN102546028A (en) * | 2012-03-05 | 2012-07-04 | 深圳市共进电子股份有限公司 | Discretely designed 10G burst transmitter |
| CN102546028B (en) * | 2012-03-05 | 2014-07-30 | 深圳市共进电子股份有限公司 | Discretely designed 10G burst transmitter |
| CN113346955A (en) * | 2021-08-05 | 2021-09-03 | 深圳市迅特通信技术股份有限公司 | ONU module used in passive optical network above 50G |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20090617 |