CN201260170Y - Electric interface and optical module having the electric interface - Google Patents
Electric interface and optical module having the electric interface Download PDFInfo
- Publication number
- CN201260170Y CN201260170Y CNU2008201727422U CN200820172742U CN201260170Y CN 201260170 Y CN201260170 Y CN 201260170Y CN U2008201727422 U CNU2008201727422 U CN U2008201727422U CN 200820172742 U CN200820172742 U CN 200820172742U CN 201260170 Y CN201260170 Y CN 201260170Y
- Authority
- CN
- China
- Prior art keywords
- optical module
- electrical interface
- main system
- signal
- pin
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses an electrical interface and an optical module with the electrical interface, which comprises an optical module, a main system and electrical interfaces respectively arranged on the optical module and the main system, wherein the electrical interface comprises functional pins for transmitting transmission signals, reception signals, enable control signals and emergency reception reset signals, and the functional pins are respectively and correspondingly connected with corresponding functional circuits on the optical module and the main system. The electrical interface is not only provided with an information transmitting pin capable of transmitting electrical signals of different velocities, but is also provided with the enable-control signal input pin for transmitting signals. The utility model realizes the emergency reception reset function required by the 10G EPON OLT optical module. Moreover, a received signal strength indicator output pin is arranged in the electrical interface so as to transmit the strength information of received optical signals to the main system, and consequently, the main system accurately reads the optical signal strength of each ONT user from the main system so as to carry out real-time monitor and diagnosis on ODN states.
Description
Technical field
The utility model belongs to the optical communication technology field, specifically, relates to a kind of electrical interface of the 10G of being applicable to EPONOLT optical module and uses the optical module of 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, be based on all at present that riches all the way and penetrate He Yilu and receive, only be used to transmit the signal of telecommunication of 10Gb/S speed, and the control signal input pin that enables that enables to control to transmitting also only includes one the tunnel, and do not have based on the needed burst reception of the optical module of passive optical network PON system or ethernet passive optical network EPON system reset signal input pin, therefore, receive (1G) for needing two-way emission (being respectively 1G and 10G) and a tunnel at present, and can not be suitable for the 10G EPON OLT optical module (promptly based on 10,000,000,000 ethernet passive optical network optical line terminal optical modules) that receives (BurstReceiver Reset) function that resets that needs to happen suddenly.
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 optical line terminal, and to satisfy the request signal transmission between optical module and the main system, the burst of the receiving end that achieves a butt joint receives the function that resets.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of electrical interface, comprise optical module, main system and be separately positioned on optical module and main system on electrical interface; In described electrical interface, comprise being used to transmit transmitting, received signal, enabling the function pin that control signal and burst receive reset signal, respectively with described optical module and main system on corresponding connection of corresponding function circuit.
Further, comprise that in described electrical interface the strength information that is used for light signal that optical module is received transfers to the receiving signal intensity indication signal output pin of main system.
Further again, comprise that in described electrical interface two groups are used for the difference that main system produces transmitted and transfer to transmit input pin and at least one group of received signal output pin that is used for the differential received signal that optical module receives is transferred to main system of optical module.
Transmit correspondingly with two groups of difference, in described electrical interface, be used to transmit the input pin that enables control signal and comprise two-way, transmit respectively transmitting of two kinds of different rates required enable control signal.
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 passive optical network optical line terminal.
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 passive optical network optical line terminal, by the electrical interface that is connected communication on it with main system is redesigned, make it possess to transmit and transmit, received signal, enable the function pin of control signal and burst reception reset signal, not only having satisfied the needed two-way of optical module transmits, and can to two-way transmit enable respectively control, burst to receiving terminal receives the control that resets, and can directly be applied in the 10G EPON OLT 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 the signal transmission pin that can transmit the different rates signal of telecommunication, and provide the PON system the needed control signal input pin that enables, realized that the needed burst of 10G EPON OLT optical module receives reset function.In addition, the index signal output pin that transmits by the strength information that in electrical interface, is provided for to received signal, can make main system read light signal strength exactly from each ONT (the associated light network terminal) user, thereby the state to ODN (optical distribution) is monitored in real time, is diagnosed, and has reduced primary system component merchant's O﹠M cost to greatest extent.
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 enables to require and burst reception reset function in order to satisfy based on PON system in the optical module of passive optical network optical line terminal is needed, selection has adopted a 30pin golden finger and the connector supporting with it to form electrical interface, be installed in respectively 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 received signal and the function pin that transmits, receive the function pin that reset signal and multichannel enable control signal but also possessed transmitting burst, therefore, can directly apply in the 10G EPON OLT 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 OLT 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 OLT optical module, need send the signal of telecommunication of two kinds of different rates simultaneously and receive a kind of light signal of speed, such as the signal of telecommunication of needs emissions 10G, two kinds of speed of 1G and receive the light signal of 1G speed, 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 to transmit the input pin that the input pin and a tunnel that enables control signal is used for transmitting burst reception reset signal Burst Receiver Reset.Wherein, the speed that is produced by main system 3 is that transmit TX2_P, TX2_N of the difference of 1G enters in the optical module 2 by the 1G input pin 1,2 that transmits, be converted into light signal by optical module 2 and launch, for ONT (the associated light network terminal) the user reception of far-end; And the 1G light signal that is emitted by ONT user is after optical module 2 receives, convert differential received signal RD2_N, RD2_P that speed is 1G to, be sent in the main system 3 by 1G received signal output pin 20,21, and then realized optical fiber communication between far-end ONT user and the main system 3.In like manner, the speed that is produced by main system 3 is that transmit TX1_N, TX1_P of the difference of 10G enters in the optical module 2 by the 10G input pin 28,29 that transmits, be converted into light signal by optical module 2 and be transmitted into far-end ONT user, and then realize that the 10G EPON OLT needed two-way emission of optical module (1G, 10G) and a tunnel receives (1G) function.
Consider later function expansion, in the electrical interface of present embodiment, reserved other one group of received signal output pin 17,18 that is used to transmit differential received signal RD1_N, RD1_P simultaneously.
The needed two-way of PON system enables control signal TX_DIS_10, TX_DIS_1 and is input in the optical module 2 by main system 3 by enabling control signal input pin 4,5 respectively in the optical module 2, is that the two-way of 10G and 1G transmits and enables control to speed respectively.The needed burst reception of PON system reset signal Burst Receiver Reset is then inputed in the optical module 2 by 13 pins of main system 3 by electrical interface 1 in the optical module 2.By to reset signal RX_RST of optical module 2 inputs, can the burst reception of 1G end be resetted.
In addition, can know light signal strength exactly in order to make primary system component from each ONT user, thereby the ODN state is monitored in real time, diagnosed, in described electrical interface 1, also defined the index signal output pin 12 of received signal intensity, made main system 3 can monitor the intensity of the light signal that optical module 2 receives in real time.
ODN is an optical distribution, between OLT and ONT, it is made up of optical fiber and passive optical splitters or connector, is used to realize the connection and the scheduling of optical cable, optical fiber, mainly is applicable between optical transport network and the optical transmission device and the point of the Optical cross connects between the optical user optical cable in the Access Network.
In addition, in described electrical interface 1, also defined following function pin:
Pin 6 is 5V power supply input pin VCC5;
Pin 7 is Mod_DeSel signal output pins, 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, this module is not used temporarily, the usefulness of upgrading after can be used as;
Pin one 4 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 two 4 is reference clock input pin REFCLK, and this module is not used temporarily, the usefulness of upgrading after can be used as;
Pin two 5 is-5V power supply input pin VEE5 that this module is not used temporarily, the usefulness of upgrading after can be used as.
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, comprise optical module, main system and be separately positioned on optical module and main system on electrical interface, it is characterized in that: in described electrical interface, comprise being used to transmit transmitting, received signal, enabling the function pin that control signal and burst receive reset signal, respectively with described optical module and main system on corresponding connection of corresponding function circuit.
2, electrical interface according to claim 1 is characterized in that: comprise that in described electrical interface the strength information that is used for light signal that optical module is received transfers to the receiving signal intensity indication signal output pin of main system.
3, electrical interface according to claim 1 and 2 is characterized in that: comprise that in described electrical interface two groups are used for the difference that main system produces transmitted and transfer to transmit input pin and at least one group of received signal output pin that is used for the differential received signal that optical module receives is transferred to main system of optical module.
4, electrical interface according to claim 3 is characterized in that: in described electrical interface, comprise two-way be used for transmitting respectively transmitting of two kinds of different rates required enable control signal enable the control signal input pin.
5, electrical interface 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, electrical interface according to claim 5 is characterized in that: described optical module is based on the optical module of passive optical network optical line terminal.
7, a kind of optical module, described optical module is based on the optical module of passive optical network optical line terminal, it is provided with the electrical interface that can be connected communication with main system, it is characterized in that: in described electrical interface, comprise being used to transmit transmitting, received signal, enabling the function pin that control signal and burst receive reset signal, respectively with described optical module and main system on corresponding connection of corresponding function circuit.
8, optical module according to claim 7 is characterized in that: comprise that in described electrical interface the strength information that is used for light signal that optical module is received transfers to the receiving signal intensity indication signal output pin of main system.
9, according to claim 7 or 8 described optical modules, it is characterized in that: comprise that in described electrical interface two groups are used for the difference that main system produces transmitted and transfer to transmit input pin and at least one group of received signal output pin that is used for the differential received signal that optical module receives is transferred to main system of optical module; In described electrical interface, comprise two-way be used for transmitting respectively transmitting of two kinds of different rates required enable control signal enable the control signal input pin.
10, optical module according to claim 9 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201727422U CN201260170Y (en) | 2008-09-28 | 2008-09-28 | Electric interface and optical module having the electric interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201727422U CN201260170Y (en) | 2008-09-28 | 2008-09-28 | Electric interface and optical module having the electric interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260170Y true CN201260170Y (en) | 2009-06-17 |
Family
ID=40774408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201727422U Expired - Lifetime CN201260170Y (en) | 2008-09-28 | 2008-09-28 | Electric interface and optical module having the electric interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201260170Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980158A (en) * | 2016-01-19 | 2017-07-25 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
-
2008
- 2008-09-28 CN CNU2008201727422U patent/CN201260170Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980158A (en) * | 2016-01-19 | 2017-07-25 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| US10624203B2 (en) | 2016-01-19 | 2020-04-14 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1348273B1 (en) | Network transceiver for extending the bandwidth of optical fiber-based network infrastructure | |
| CN101442385B (en) | Test device of digital communication error rate | |
| CN105634611A (en) | Optical module and signal processing method | |
| CN203838375U (en) | Single-fiber passive single-mode and multi-mode transmission converter and optical fiber transmission system | |
| CN103259599A (en) | Passive optical network and double-system optical line terminal optical module | |
| CN201985864U (en) | Optical network unit debugging system based on bosa on board (BOB) | |
| CN111901039A (en) | Semi-active base station forward transmission system with line protection and based on miniature wavelength division | |
| CN103580748A (en) | Optical line terminal with OTDR function and optical module thereof | |
| CN201260169Y (en) | Electric interface used for optical module and optical module having the electric interface | |
| CN201293853Y (en) | Optical module capable of transmitting multipath optical signals | |
| CN201260170Y (en) | Electric interface and optical module having the electric interface | |
| CN109521535A (en) | The photoelectric integral rotary transfer system and rotary transfer implementation method of high speed RapidIo signal | |
| CN102244540A (en) | Optical module and method for protecting optical layer | |
| CN104468131A (en) | High-speed FC optical fiber unified network interconnection system under anti-adverse environment | |
| CN202444492U (en) | GBIC (Giga Bitrate Interface Converter) optical module circuit | |
| CN106353865A (en) | Optical module | |
| US10505632B1 (en) | Fiber bus extender embedment | |
| CN103684619A (en) | Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment | |
| CN203166928U (en) | Two-way optical transmit-receive one-piece module based on SFP encapsulation | |
| CN202353686U (en) | 10-gigabit receiving optical module for video transmission | |
| CN103067078B (en) | Optical line terminal optical module and Ethernet passive optical network breakpoint detection system | |
| CN203554441U (en) | Optical line terminator optical module with optical time domain reflectometer (OTDR) function | |
| CN210297706U (en) | Active fiber multiplier and system | |
| CN113162683A (en) | Airborne FC communication link fault detection method | |
| US8714837B2 (en) | Optical fiber connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |