CN201243290Y - Inserting/pulling type light transmit-receive integrated module for Ether passive optical network - Google Patents
Inserting/pulling type light transmit-receive integrated module for Ether passive optical network Download PDFInfo
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- CN201243290Y CN201243290Y CNU2008200258672U CN200820025867U CN201243290Y CN 201243290 Y CN201243290 Y CN 201243290Y CN U2008200258672 U CNU2008200258672 U CN U2008200258672U CN 200820025867 U CN200820025867 U CN 200820025867U CN 201243290 Y CN201243290 Y CN 201243290Y
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Abstract
The utility model discloses a pluggable optical transceiver integrated module for the Ethernet passive optical network, which comprises an optical component, a transmitter circuit, a receiver circuit and a module interface; the module interface adopts the pluggable golden finger; the module interface includes function pins for data transmission signals, bus line signals, control signals and power signals; and the function pin is respectively and correspondingly connected with the corresponding function circuits in the optical module. Utilizing the pluggable module interface can realize the reliable, stable and rapid communication between the various application environments and the optical transceiver integrated module, meet the actual demands for different users, improve the university and the reliability of the optical transceiver integrated module, and the optical transceiver integrated module can support electric hot-swap so as to improve the module performance.
Description
Technical field
The utility model relates to a kind of integrated module of optical transceiver, specifically, relates to a kind of integrated module of optical transceiver based on the ethernet passive optical network transmission, belongs to the optical communication technique field.
Background technology
The notion of EPON (PON) is of long duration, because it has the fiber resource, transparent to procotol of saving, is playing the part of more and more important role in optical access network.Simultaneously, ethernet technology with its simple and practical, cheap characteristic, has almost completely been ruled local area network (LAN) through the development of two more than ten years, and at the optimum carrier that in fact is proved to be to carry the IP packet.Along with IP operation shared ratio in metropolitan area and primary transmission constantly rises, Ethernet makes Ethernet permeate on access, metropolitan area even backbone network gradually in the improvement by aspects such as transmission rate, manageabilitys.And Ethernet combines with PON, has just produced ethernet passive optical network (EPON).EPON stability and reliability height can provide the remote access of maximum 20KM and the speed of up-downgoing symmetry 1Gbps, and network model is unrestricted, and saves a large amount of optical fiber and optical transceiver, reduces the interconnected cost of optical Ethernet.
In the actual use, for giving full play to above-mentioned advantage based on optical link local side (OLT) integrated module of optical transceiver of ethernet passive optical network EPON, must guarantee between user's actual application environment and the EPON OLT integrated module of optical transceiver reliably, communicate by letter easily, and lack this interface that communicates according to user's actual application environment in the prior art; In addition, the ethernet passive optical network integrated module of optical transceiver of the prior art does not have the function of quick received signal intensity indication (RSSI), thereby can not monitor the communication link of system.If realize monitoring, need extra operation and the maintenance cost that increases the system equipment merchant.
Summary of the invention
The module interface that one of the purpose of this utility model is to provide between a kind of user's of the realization actual application environment and the EPON OLT integrated module of optical transceiver reliably, conveniently communicates.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of plug-in ethernet passive optical network integrated module of optical transceiver comprises optical assembly, transmitter circuitry and receiver circuit, it is characterized in that, also comprises module interface, and described module interface adopts golden finger plug form; Described module interface includes the function pin of transmission of data signals, bus signals, control signal and power supply, described function pin respectively with the corresponding connection of corresponding function circuit in the optical module.
According to the utility model, the function pin of described transmission of data signals comprises a pair of emission data input pin and a pair of reception data output pin; Described emission data input pin and the corresponding connection of differential signal input in the described transmitter circuitry, described reception data output pin and the corresponding connection of differential signal output in the described receiver circuit.
According to the utility model, the function pin of described transfer bus signal comprises bus clock pin and bus data pin.
Preferably, described bus is I
2The C bus.
According to the utility model, the function pin of described transmission of control signals comprises transmitter failure indication pin, transmitter enable pin and does not have received signal indication pin; Described transmitter failure indication pin and transmitter enable pin respectively with described transmitter circuitry in be connected corresponding of failure indicating circuit with control circuit, described no received signal indicates pin to be connected with warning circuit in the described receiver circuit.
Another purpose of the present utility model is to provide quick received signal intensity deixis, for realizing this purpose, the described integrated module of optical transceiver also comprises received signal intensity supervisory circuit, described supervisory circuit receives the signal of telecommunication of described optical assembly, and the receiving signal intensity indication signal that is associated with the described signal of telecommunication of output.
Preferably, the described signal of telecommunication is the bias current signal of optical assembly.
According to the utility model, the function pin of described transmission of control signals also comprises received signal intensity indication pin, and described received signal intensity indication pin is connected with the output of described supervisory circuit.
According to the utility model, the function pin of described transmission power supply comprises transmitter power supply pin, receiver power supply pin and several ground pin.
According to the utility model, the described integrated module of optical transceiver adopts SFP miniaturization pin package form.
Compared with prior art, advantage of the present utility model and good effect are:
1, the utility model is provided with golden finger plug-in module interface in the ethernet passive optical network integrated module of optical transceiver, and module interface defined, can satisfy the actual demand of different user, improve the versatility and the reliability of the integrated module of optical transceiver; And the plug of described integrated module of optical transceiver tenaculum electric heating, improved the performance of module.
2, by the received signal intensity supervisory circuit in the utility model integrated module of optical transceiver, can make system equipment accurately read light signal strength from each OLT user, thereby Optical Distribution Network (ODN) state is monitored in real time and diagnosed, reduce system equipment merchant's operation and operation costs to greatest extent.
Description of drawings
Fig. 1 is the schematic block circuit diagram of an embodiment of the utility model EPON OLT integrated module of optical transceiver;
Fig. 2 is the contour structures schematic diagram of the integrated module of optical transceiver shown in Figure 1;
Fig. 3 is the package layout schematic diagram of module interface pin among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 shows the schematic block circuit diagram of an embodiment of the utility model EPON OLT integrated module of optical transceiver.The described integrated module of optical transceiver comprises continuous mode data transmitter circuit I, burst mode data receiver circuit I I and is connected OLT single fiber bi-directional optical assembly III between two parts.In described transmitter circuitry I, include transmitting terminal driving, modulation circuit and APC/ATC automated power and auto thermal compensation circuit.The electric signal input end of transmitter circuitry I connects signal source, output connects described OLT optical assembly III, the signal of telecommunication from signal source inputs among the transmitter circuitry I, through transmitting terminal drive, modulation circuit is to optical assembly III output drive signal, the laser that drives OLT optical assembly III is luminous, realize the conversion of the signal of telecommunication, and light signal is launched by OLT optical assembly III to light signal.Utilize APC/ATC automated power and auto thermal compensation circuit among the transmitter circuitry I, can realize the online dynamic control of luminous power and the on-line automatic compensation of temperature.
Include amplitude limiting amplifier circuit among the receiver circuit II, OLT optical assembly III converts the light signal that receives to the input that inputs to described amplitude limiting amplifier circuit behind the signal of telecommunication, after amplitude limiting amplifier circuit carries out amplitude limit, processing and amplifying, export by the receiver electrical signal.Voltage signal amplitude in OLT optical assembly III output is low excessively, promptly thinks when not having the light signal input, needs alarm signal of EPON OLT module output.Therefore, the decision signal output connection at amplitude limiting amplifier circuit has or not received signal Rx_Los warning circuit, outputting alarm signal when the signal of telecommunication that receives is lower than its threshold voltage.
Support received signal intensity indication RSSI function in order to make the EPON OLT integrated module of optical transceiver, OLT optical assembly III also is connected with the RSSI supervisory circuit, by the sample circuit in the RSSI supervisory circuit bias current of OLT optical assembly III is sampled, export a RSSI signal relevant then with received signal intensity.
RSSI also can sample to the signal of telecommunication amplitude of not having impedance amplifier (TIA) output among the OLT optical assembly III except that the bias current of sampling OLT optical assembly III, output RSSI signal.
For realizing between user and the EPON OLT integrated module of optical transceiver reliably, communicate by letter easily that the utility model also provides a kind of module interface.Fig. 2 shows the contour structures schematic diagram of the above-mentioned integrated module of optical transceiver, among the figure, module interface IV has 20 pins, adopts the golden finger form to be arranged on the integrated module of optical transceiver circuit board, and the overall optical receiver-transmitter integrated module adopts SFP miniaturization pin package form.
Figure 3 shows that the package layout schematic diagram of above-mentioned each pin of module interface IV, these pins include the function pin of transmission of data signals, bus signals, control signal and power supply, described function pin respectively with the corresponding connection of corresponding function circuit in the optical module.
Wherein, the function pin of described transmission of data signals comprises a pair of emission data input pin, be that Pin18 emission data input anode TD (+) and Pin19 emission data are imported negative terminal TD (-), this to pin respectively with the corresponding connection of differential signal input in the transmitter circuitry; Also comprise a pair of reception data output pin, promptly Pin12 receives data output negative terminal RD (-) and Pin13 reception data output plus terminal RD (+), this to pin respectively with the corresponding connection of differential signal output in the receiver circuit.
The function pin of described transfer bus signal is Pin4 I
2C bus data pin SDA and Pin5 I
2C bus clock pin SCL.
Described module interface IV also comprises the function pin of 4 transmission of control signals, is respectively the Pin2 transmitter failure indication pin Tx_FAULT that is connected with failure indicating circuit among the transmitter circuitry I, the Pin3 transmitter enable pin Tx_DIS that is connected with control circuit among the transmitter circuitry I, the Pin7 received signal intensity indication pin RSSI that is connected with RSSI supervisory circuit output reaches the Pin8 that is connected with warning circuit among the receiver circuit II does not have received signal and indicate pin Rx_LOS.
Except that above-mentioned each function pin, described module interface IV also comprises the function pin of several transmission power supplys, and Pin15 is receiver power supply pin VCCR, and Pin16 is transmitter supply pin VCCT.In addition, also comprise Pin9, Pin10, Pin11 and Pin14 totally four receiver ground function pin VEER, Pin1, Pin17 and Pin20 be totally three transmitter ground function pin VEET, and the module ground pin Ground of Pin6.
Utilize the module interface of above-mentioned definition, can realize between various different application environment and the EPON OLT integrated module of optical transceiver reliable, stable, communicate by letter easily, satisfy the user demand of different user, improve the versatility of module, thereby reduced system equipment merchant's operation and maintenance cost.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1, a kind of plug-in ethernet passive optical network integrated module of optical transceiver comprises optical assembly, transmitter circuitry and receiver circuit, it is characterized in that, also comprises module interface, and described module interface adopts golden finger plug form;
Described module interface includes the function pin of transmission of data signals, bus signals, control signal and power supply, described function pin respectively with the corresponding connection of corresponding function circuit in the optical module.
2, the integrated module of optical transceiver according to claim 1 is characterized in that, the function pin of described transmission of data signals comprises a pair of emission data input pin and a pair of reception data output pin; Described emission data input pin and the corresponding connection of differential signal input in the described transmitter circuitry, described reception data output pin and the corresponding connection of differential signal output in the described receiver circuit.
3, the integrated module of optical transceiver according to claim 1 is characterized in that, the function pin of described transfer bus signal comprises bus clock pin and bus data pin.
4, the integrated module of optical transceiver according to claim 3 is characterized in that, described bus is I
2The C bus.
5, the integrated module of optical transceiver according to claim 1 is characterized in that, the function pin of described transmission of control signals comprises transmitter failure indication pin, transmitter enable pin and do not have received signal indication pin; Described transmitter failure indication pin and transmitter enable pin respectively with described transmitter circuitry in be connected corresponding of failure indicating circuit with control circuit, described no received signal indicates pin to be connected with warning circuit in the described receiver circuit.
6, according to each described integrated module of optical transceiver in the claim 1 to 5, it is characterized in that, the described integrated module of optical transceiver also comprises received signal intensity supervisory circuit, described supervisory circuit receives the signal of telecommunication of described optical assembly, and the receiving signal intensity indication signal that is associated with the described signal of telecommunication of output.
7, the integrated module of optical transceiver according to claim 6 is characterized in that, the described signal of telecommunication is the bias current signal of optical assembly.
8, the integrated module of optical transceiver according to claim 7 is characterized in that, the function pin of described transmission of control signals also comprises received signal intensity indication pin, and described received signal intensity indication pin is connected with the output of described supervisory circuit.
9, the integrated module of optical transceiver according to claim 1 is characterized in that, the function pin of described transmission power supply comprises transmitter power supply pin, receiver power supply pin and several ground pin.
10, the integrated module of optical transceiver according to claim 1 is characterized in that, the described integrated module of optical transceiver adopts SFP miniaturization pin package form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200258672U CN201243290Y (en) | 2008-07-21 | 2008-07-21 | Inserting/pulling type light transmit-receive integrated module for Ether passive optical network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200258672U CN201243290Y (en) | 2008-07-21 | 2008-07-21 | Inserting/pulling type light transmit-receive integrated module for Ether passive optical network |
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| CN201243290Y true CN201243290Y (en) | 2009-05-20 |
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|---|---|---|---|
| CNU2008200258672U Expired - Lifetime CN201243290Y (en) | 2008-07-21 | 2008-07-21 | Inserting/pulling type light transmit-receive integrated module for Ether passive optical network |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124160A1 (en) * | 2010-04-09 | 2011-10-13 | Huawei Technologies Co., Ltd. | Fast transceiver control interface |
| CN102377078A (en) * | 2010-08-16 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN102404134A (en) * | 2010-09-15 | 2012-04-04 | 百维通（苏州）科技有限公司 | System and method for realizing Dying gasp signal uploading in communication network system with pluggable module |
| CN103475421A (en) * | 2013-08-21 | 2013-12-25 | 成都新易盛通信技术股份有限公司 | SFF2X10 optical transceiver 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 |
| CN103650388B (en) * | 2013-07-29 | 2016-11-30 | 华为技术有限公司 | Optical assembly and passive optical network PON system |
| EP2807768B1 (en) * | 2012-01-27 | 2018-06-06 | Telefonaktiebolaget LM Ericsson (publ) | Optical physical interface module |
| WO2022021048A1 (en) * | 2020-07-28 | 2022-02-03 | 华为技术有限公司 | Optical module and protection switching method |
-
2008
- 2008-07-21 CN CNU2008200258672U patent/CN201243290Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124160A1 (en) * | 2010-04-09 | 2011-10-13 | Huawei Technologies Co., Ltd. | Fast transceiver control interface |
| US8831431B2 (en) | 2010-04-09 | 2014-09-09 | Futurewei Technologies, Inc. | Fast transceiver control interface |
| CN102377078A (en) * | 2010-08-16 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN102377078B (en) * | 2010-08-16 | 2015-05-06 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN102404134A (en) * | 2010-09-15 | 2012-04-04 | 百维通（苏州）科技有限公司 | System and method for realizing Dying gasp signal uploading in communication network system with pluggable module |
| EP2807768B1 (en) * | 2012-01-27 | 2018-06-06 | Telefonaktiebolaget LM Ericsson (publ) | Optical physical interface 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 |
| WO2015013856A1 (en) * | 2013-07-29 | 2015-02-05 | 华为技术有限公司 | Optical assembly and passive optical network (pon) system |
| CN103650388B (en) * | 2013-07-29 | 2016-11-30 | 华为技术有限公司 | Optical assembly and passive optical network PON system |
| CN103475421A (en) * | 2013-08-21 | 2013-12-25 | 成都新易盛通信技术股份有限公司 | SFF2X10 optical transceiver module |
| CN103475421B (en) * | 2013-08-21 | 2016-08-10 | 成都新易盛通信技术股份有限公司 | A kind of SFF2X10 optical transceiver module |
| WO2022021048A1 (en) * | 2020-07-28 | 2022-02-03 | 华为技术有限公司 | Optical module and protection switching method |
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| CX01 | Expiry of patent term |
Granted publication date: 20090520 |
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| CX01 | Expiry of patent term |