CN104270201A - Two-channel compact type high-speed SFP optical module, system and signal processing method of system - Google Patents
Two-channel compact type high-speed SFP optical module, system and signal processing method of system Download PDFInfo
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- CN104270201A CN104270201A CN201410564385.4A CN201410564385A CN104270201A CN 104270201 A CN104270201 A CN 104270201A CN 201410564385 A CN201410564385 A CN 201410564385A CN 104270201 A CN104270201 A CN 104270201A
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Abstract
The invention discloses a two-channel compact type high-speed SFP optical module which comprises a first transceiving channel unit, a second transceiving channel unit and a microcontroller for monitoring relevant parameters of the first transceiving channel unit and the second transceiving channel unit in real time. The first transceiving channel unit and the second transceiving channel unit each comprise a laser driving and amplitude limiting amplifier unit and an optical transceiving assembly BOSA, wherein the laser driving and amplitude limiting amplifier unit and the optical transceiving assembly BOSA are connected in sequence. The invention further discloses an optical communication system with the SFP optical module and a signal processing method corresponding to the optical communication system. According to the two-channel compact type high-speed SFP optical module, compared with an existing SFP optical module, the data communication traffic volume is improved by two times under the same module size, the data communication traffic volume is large, high-speed application is supported, and the ever-growing data traffic requirement is met.
Description
Technical field
The present invention relates to optical module field, particularly a kind of binary channels compact high speed sfp optical module, system and signal processing method thereof.
Background technology
Nowadays optical-fibre communications field is towards high density, and two-forty field is developed.System equipment business wishes in the minimum device space, to realize maximum data transfers to meet growing business demand.Traditional SFP optical module can not meet the demand of client.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, a kind of data traffic is large, support high-speed applications binary channels compact high speed sfp optical module, system and signal processing method thereof are provided.
The invention provides a kind of binary channels compact high speed sfp optical module, comprise the first transceiver channel unit, the second transceiver channel unit and the microcontroller for carrying out monitoring in real time to the relevant parameter of described first transceiver channel unit and the second transceiver channel unit, described first transceiver channel unit and the second transceiver channel unit include the laser driving and limiting amplifier unit and light transmitting-receiving subassembly BOSA that are connected successively.
First aspect, described first transceiver channel unit and the second transceiver channel unit also comprise physical medium associated layers interface respectively, and described physical medium associated layers interface drives with described laser and limiting amplifier unit is connected.
Further, described physical medium associated layers Interface integration is in described optical module or to be connected to described optical module outside.
Second aspect, described first transceiver channel unit and the second transceiver channel unit also comprise clock data recovery unit CDR respectively, and described clock data recovery unit CDR drives with described laser and limiting amplifier unit is connected.
Further, described clock data recovery unit CDR is integrated in described optical module or is connected to described optical module outside.
Further, the data rate that described clock data recovery unit CDR supports is 6Gbps ~ 25Gbps.
Preferably, the data rate of described laser driving and the support of limiting amplifier unit is 6Gbps ~ 25Gbps.
Preferably, described microcontroller drives with described laser and limiting amplifier unit is connected, drive and limiting amplifier cell operation for controlling described laser according to the predetermined data transmission rate of setting, the driving of described laser and limiting amplifier unit are worked under described predetermined data transmission rate.
Preferably, described microcontroller also by communication interface and external host real-time communication, initiatively or the passive relevant parameter reporting optical module; And/or according to the instruction that external host issues, carry out the control operation of optical module, described control operation is at least relevant to one of described relevant parameter.
Further, described relevant parameter at least comprise the temperature of optical module, voltage, bias current, luminous power of making a start and receiving end luminous power one of them.
Preferably, this optical module also comprises the power management module for providing power supply for unit.
Preferably, described microcontroller is also for setting the state flag bit of described optical module.
Preferably, the two-way enable signal Tx_disable of described microcontroller also for inputting according to outside separately controls unlatching or the shutoff of the laser in the described BOSA of described first transceiver channel unit and the second transceiver channel unit.
Preferably, described microcontroller is also for reporting the two-way LOS signal warned described first transceiver channel unit and the second transceiver channel cell signal receiving terminal channel status.
Preferably, described microcontroller is also for exporting the information whether whether in place or optical module of Mod NR signal reporting optical module has failure condition to occur.
Preferably, this optical module also comprises SFP connector.
The present invention also provides a kind of optical communication system, and comprise optical communication equipment and above-mentioned arbitrary described binary channels compact high speed sfp optical module, described optical communication equipment is connected with binary channels compact high speed sfp optical module described at least one.
Preferably, described optical communication equipment be optical line terminal OLT, passive optical network PON equipment, optical network unit ONU equipment, optical fiber switch and wavelength division multiplexer one of them.
The present invention also provides a kind of signal processing method of optical module, is applied to the binary channels compact high speed sfp optical module of above-mentioned first aspect, comprises the following steps:
External difference input electrical signal is input to described physical medium associated layers interface to carry out encoding or encryption, signal after process outputs to described laser and drives and limiting amplifier unit, driven and BOSA described in limiting amplifier unit drives by described laser, realize the signal of telecommunication and export to the conversion of light signal;
Described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described physical medium associated layers interface, exports after carrying out corresponding decoding or decryption processing by described physical medium associated layers interface.
The present invention also provides a kind of signal processing method of optical module, is applied to the binary channels compact high speed sfp optical module of above-mentioned second aspect, comprises the following steps:
External difference input electrical signal is input to described clock data recovery unit CDR and carries out clock and data recovery Shape correction, signal after process outputs to described laser and drives and limiting amplifier, to be driven by described laser and limiting amplifier drives described BOSA, realize the signal of telecommunication and export to the conversion of light signal;
Described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described clock data recovery unit CDR, exports after carrying out clock and data recovery Shape correction by described clock data recovery unit CDR.
compared with prior art, beneficial effect of the present invention:sFP optical module of the present invention comprises the first transceiver channel unit, the second transceiver channel unit and the microcontroller for carrying out monitoring in real time to the relevant parameter of described first Transmit-Receive Unit and the second Transmit-Receive Unit, and described first transceiver channel unit and the second Transmit-Receive Unit include the laser driving and limiting amplifier unit and light transmitting-receiving subassembly BOSA that are connected successively.Present invention achieves under identical module volume, promote relative to the data traffic of existing SFP optical module product 2 times, data traffic is large, supports high-speed applications, meets the demand of growing data service.
accompanying drawing illustrates:
Fig. 1 is the SFP optical module schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the optical communication system schematic diagram of the embodiment of the present invention 2.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
The present invention is in order to improve the data traffic of existing SFP optical module, support its high-speed applications, propose a kind of binary channels compact high speed sfp optical module, it is under identical module volume, have the data traffic of 2 times relative to existing SFP optical module product, data traffic significantly improves, and supports high-speed applications, meet the demand of growing data service, illustrate below in conjunction with accompanying drawing.
Be illustrated in figure 1 the binary channels compact high speed sfp optical module of the embodiment of the present invention 1, comprise the first transceiver channel unit (i.e. passage 1), the second transceiver channel unit (i.e. passage 2) and for the relevant parameter of described first Transmit-Receive Unit and the second Transmit-Receive Unit (as temperature, voltage, bias current, luminous power of making a start and receiving end luminous power etc.) carry out the real-time microcontroller monitored, described first transceiver channel unit and the second Transmit-Receive Unit include the laser driving and limiting amplifier unit (i.e. LDD/LA) and light transmitting-receiving subassembly BOSA that are connected successively.The present invention adopts existing SFP to encapsulate, and under identical module volume, have the data traffic of 2 times relative to existing SFP optical module product, data traffic significantly improves.
Concrete, in one example, described first transceiver channel unit and the second transceiver channel unit also comprise physical medium associated layers interface PMD(Physical Media Dependent respectively), described physical medium associated layers interface drives with described laser and limiting amplifier unit is connected.During work, transmitting terminal external difference input electrical signal is input to described physical medium associated layers interface to carry out encoding or encrypting (certainly may also be other yard of shape process operation), signal after process outputs to described laser and drives and limiting amplifier unit, driven and BOSA described in limiting amplifier unit drives by described laser, realize the signal of telecommunication and export to the conversion of light signal.Corresponding receiving terminal is decoded or decryption processing to signal.Described physical medium associated layers Interface integration in described optical module, or is individual devices, is connected to described optical module outside, specifically can selects by the needs different according to client, add the flexibility of module embody rule.
In another example, described first transceiver channel unit and the second transceiver channel unit also comprise clock data recovery unit CDR respectively, and described clock data recovery unit CDR drives with described laser and limiting amplifier unit is connected.During work, transmitting terminal: external difference input electrical signal is input to described clock data recovery unit CDR and carries out clock and data recovery Shape correction, signal after process outputs to described laser and drives and limiting amplifier unit, driven and BOSA described in limiting amplifier unit drives by described laser, realize the signal of telecommunication and export to the conversion of light signal; Receiving terminal: described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described clock data recovery unit CDR, exports after carrying out clock and data recovery Shape correction by described clock data recovery unit CDR.Described clock data recovery unit CDR is integrated in described optical module or as individual devices and is connected to described optical module outside, specifically can select by the needs different according to client, adds the flexibility of module embody rule.
The data rate that described clock data recovery unit CDR supports is 6Gbps ~ 25Gbps.Same, described laser drives and the data rate of limiting amplifier support is 6Gbps ~ 25Gbps, and this laser drives and integrated clipping amplifier LA and laser diode drive LDD in limiting amplifier unit, reduces taking up room in module.Preferably, described microcontroller drives with described laser and limiting amplifier unit is connected (as connected by control interface), for according to setting predetermined data transmission rate (as arbitrary value between 6Gbps ~ 25Gbps) control as described in laser drive and limiting amplifier cell operation, the driving of described laser and limiting amplifier unit are worked under described predetermined data transmission rate, supports high-speed applications.Described predetermined data transmission rate can set according to customer requirement, and those skilled in the art can set as the case may be, can expand the range of application of optical module like this.
In a preferred exemplary, described microcontroller also passes through communication interface (as IIC interface) and external host real-time communication, active or the passive relevant parameter reporting optical module; And/or according to the instruction that external host issues, carry out the control operation of optical module, described control operation is at least relevant to one of described relevant parameter.Described relevant parameter at least comprise the temperature of optical module, voltage, bias current, luminous power of making a start and receiving end luminous power one of them.Such as, external host is by issuing transmission power adjustment instruction to the microcontroller in optical module, and microcontroller carries out control operation adjustment utilizing emitted light power (realizing by regulating the drive current of laser driving and limiting amplifier) according to this instruction.Again such as, the memory cell of the instruction access microcontroller that optical module issues according to external host passively, reads relevant parameter described at least one (as temperature) and reports external host, or initiatively separated in time reports relevant parameter described at least one.
In a preferred exemplary, this optical module also comprises the power management module for providing power supply for unit, and power management module is connected with external power source, rationally can power according to unit working condition, saves electricity consumption.
In a preferred exemplary, this optical module also comprises SFP connector (as 20 PIN SPF+ connectors), and described clock data recovery unit CDR or the physical medium associated layers interface of described power management module, microcontroller and described first Transmit-Receive Unit and the second Transmit-Receive Unit are connected with described SFP connector respectively.Described microcontroller and described clock data recovery unit CDR or physical medium associated layers interface all realize inputing or outputing of associated electrical signals by SFP connector.
In one example, described microcontroller, also for setting the state flag bit of described optical module, realizes state flag bit setting (can with reference to the related definition of SFF-8472, SFF-8431 agreement) by arranging therein register.In addition, the two-way enable signal Tx_disable (Tx_disable1, Tx_disable2) of described microcontroller also for inputting according to outside separately controls unlatching or the shutoff of the laser in the described BOSA of described first transceiver channel unit and the second transceiver channel unit.Described microcontroller is also for reporting two-way LOS(LOS1, LOS2 of warning described first transceiver channel unit and the second transceiver channel cell signal receiving terminal channel status) signal.When multiple optical module and external device communication, described microcontroller is also for exporting the information whether whether in place or optical module of Mod NR signal reporting optical module has failure condition to occur.More than embody rule environmental selection can set as required, improve the function strengthening optical module.
The high speed sfp optical module of binary channels compact of the present invention realizes two-way independently bi-directional data link in existing SFP optical module, that is in same speed, realizes double message volume in identical spatial dimension.Its data rate supported is 6Gbps ~ 25Gbps simultaneously, significantly increases the message volume of unit volume unit interval, improves the performance of product.
The embodiment of the present invention 2 provides a kind of optical communication system, as shown in Figure 2, comprise optical communication equipment and above-described embodiment 1 arbitrary binary channels compact high speed sfp optical module, described optical communication equipment is connected with binary channels compact high speed sfp optical module described at least one (as electric mortiser connects or Fiber connection etc.).Described optical communication equipment be optical line terminal OLT, passive optical network PON equipment, optical network unit ONU equipment, optical fiber switch and wavelength division multiplexer one of them, can certainly be other any equipment carrying out optical fiber communication, the present invention be not construed as limiting this.
Optical communication system of the present invention has the high speed sfp optical module of binary channels compact, and it realizes two-way independently bi-directional data link in existing SFP optical module, that is in same speed, realizes double message volume in identical spatial dimension.Its data rate supported is 6Gbps ~ 25Gbps simultaneously, significantly increases the message volume of unit volume unit interval, improves the performance of product, namely improve the message volume of optical communication system.
The embodiment of the present invention 3 provides a kind of signal processing method of optical module, be applied to the binary channels compact high speed sfp optical module with clock data recovery unit CDR of above-described embodiment 1, comprise the following steps: transmitting terminal: external difference input electrical signal is input to described clock data recovery unit CDR and carries out clock and data recovery and Shape correction, signal after process outputs to described laser and drives and limiting amplifier, to be driven by described laser and limiting amplifier drives described BOSA, realize the signal of telecommunication and export to the conversion of light signal.
Receiving terminal: described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier carries out limited range enlargement process, after process, output signal is to described clock data recovery unit CDR, exports after carrying out clock and data recovery and Shape correction by described clock data recovery unit CDR.
The associated description of described SFP optical module please refer to the associated description in embodiment 1, no longer describes in detail here.Above-mentioned steps can be carried out in two transceiver channel unit simultaneously, makes SFP optical module of the present invention realize two-way independently bi-directional data link, that is in same speed, realizes double message volume in identical spatial dimension.Its data rate supported can be 6Gbps ~ 25Gbps simultaneously, significantly increases the message volume of unit volume unit interval, meets growing business demand.
The embodiment of the present invention 4 provides a kind of signal processing method of optical module, be applied in above-described embodiment 1 the binary channels compact high speed sfp optical module with physical medium associated layers interface, comprise the following steps: transmitting terminal: external difference input electrical signal is input to described physical medium associated layers interface to carry out encoding or encrypt (certainly may also be other yard of shape process operation etc.) process, signal after process outputs to described laser and drives and limiting amplifier unit, driven and BOSA described in limiting amplifier unit drives by described laser, realize the signal of telecommunication to export to the conversion of light signal.
Receiving terminal: described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described physical medium associated layers interface, exports after carrying out corresponding decoding or decryption processing by described physical medium associated layers interface.
The associated description of described SFP optical module please refer to the associated description in embodiment 1, no longer describes in detail here.Above-mentioned steps can be carried out in two transceiver channel unit simultaneously, makes SFP optical module of the present invention realize two-way independently bi-directional data link, that is in same speed, realizes double message volume in identical spatial dimension.Its data rate supported can be 6Gbps ~ 25Gbps simultaneously, significantly increases the message volume of unit volume unit interval, meets growing business demand.
By reference to the accompanying drawings the specific embodiment of the present invention is described in detail above, but the present invention is not restricted to above-mentioned execution mode, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (20)
1. a binary channels compact high speed sfp optical module, it is characterized in that, comprise the first transceiver channel unit, the second transceiver channel unit and the microcontroller for carrying out monitoring in real time to the relevant parameter of described first transceiver channel unit and the second transceiver channel unit, described first transceiver channel unit and the second transceiver channel unit include the laser driving and limiting amplifier unit and light transmitting-receiving subassembly BOSA that are connected successively.
2. binary channels compact high speed sfp optical module according to claim 1, it is characterized in that, described first transceiver channel unit and the second transceiver channel unit also comprise physical medium associated layers interface respectively, and described physical medium associated layers interface drives with described laser and limiting amplifier unit is connected.
3. binary channels compact high speed sfp optical module according to claim 2, is characterized in that, described physical medium associated layers Interface integration is in described optical module or be connected to described optical module outside.
4. binary channels compact high speed sfp optical module according to claim 1, it is characterized in that, described first transceiver channel unit and the second transceiver channel unit also comprise clock data recovery unit CDR respectively, and described clock data recovery unit CDR drives with described laser and limiting amplifier unit is connected.
5. binary channels compact high speed sfp optical module according to claim 4, is characterized in that, described clock data recovery unit CDR is integrated in described optical module or is connected to described optical module outside.
6. binary channels compact high speed sfp optical module according to claim 4, is characterized in that, the data rate that described clock data recovery unit CDR supports is 6Gbps ~ 25Gbps.
7. binary channels compact high speed sfp optical module according to claim 1, is characterized in that, described laser drives and the data rate of limiting amplifier unit support is 6Gbps ~ 25Gbps.
8. binary channels compact high speed sfp optical module according to claim 7, it is characterized in that, described microcontroller drives with described laser and limiting amplifier unit is connected, drive and limiting amplifier cell operation for controlling described laser according to the predetermined data transmission rate of setting, the driving of described laser and limiting amplifier unit are worked under described predetermined data transmission rate.
9. the binary channels compact high speed sfp optical module according to any one of claim 1-8, is characterized in that, described microcontroller also by communication interface and external host real-time communication, initiatively or the passive relevant parameter reporting optical module; And/or according to the instruction that external host issues, carry out the control operation of optical module, described control operation is at least relevant to one of described relevant parameter.
10. binary channels compact high speed sfp optical module according to claim 9, is characterized in that, described relevant parameter at least comprise the temperature of optical module, voltage, bias current, luminous power of making a start and receiving end luminous power one of them.
11. binary channels compact high speed sfp optical modules according to claim 9, it is characterized in that, this optical module also comprises the power management module for providing power supply for unit.
12. binary channels compact high speed sfp optical modules according to claim 9, it is characterized in that, described microcontroller is also for setting the state flag bit of described optical module.
13. binary channels compact high speed sfp optical modules according to claim 9, it is characterized in that, the two-way enable signal Tx_disable of described microcontroller also for inputting according to outside separately controls unlatching or the shutoff of the laser in the described BOSA of described first transceiver channel unit and the second transceiver channel unit.
14. binary channels compact high speed sfp optical modules according to claim 9, it is characterized in that, described microcontroller is also for reporting the two-way LOS signal warned described first transceiver channel unit and the second transceiver channel cell signal receiving terminal channel status.
15. binary channels compact high speed sfp optical modules according to claim 9, is characterized in that, described microcontroller is also for exporting the information whether whether in place or optical module of Mod NR signal reporting optical module has failure condition to occur.
16. binary channels compact high speed sfp optical modules according to any one of claim 9, it is characterized in that, this optical module also comprises SFP connector.
17. 1 kinds of optical communication systems, is characterized in that, comprise optical communication equipment and the binary channels compact high speed sfp optical module described in any one of the claims 1-16, described optical communication equipment is connected with binary channels compact high speed sfp optical module described at least one.
18. optical communication systems according to claim 17, is characterized in that, described optical communication equipment be optical line terminal OLT, passive optical network PON equipment, optical network unit ONU equipment, optical fiber switch and wavelength division multiplexer one of them.
The signal processing method of 19. 1 kinds of optical modules, is applied to the arbitrary described binary channels compact high speed sfp optical module of the claims 2-3, it is characterized in that, comprise the following steps:
External difference input electrical signal is input to described physical medium associated layers interface to carry out encoding or encryption, signal after process outputs to described laser and drives and limiting amplifier unit, driven and BOSA described in limiting amplifier unit drives by described laser, realize the signal of telecommunication and export to the conversion of light signal;
Described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described physical medium associated layers interface, exports after carrying out corresponding decoding or decryption processing by described physical medium associated layers interface.
The signal processing method of 20. 1 kinds of optical modules, is applied to the arbitrary described binary channels compact high speed sfp optical module of the claims 4-6, it is characterized in that, comprise the following steps:
External difference input electrical signal is input to described clock data recovery unit CDR and carries out clock and data recovery Shape correction, signal after process outputs to described laser and drives and limiting amplifier, to be driven by described laser and limiting amplifier drives described BOSA, realize the signal of telecommunication and export to the conversion of light signal;
Described BOSA is input to the driving of described laser after the light signal received is changed into the signal of telecommunication and limiting amplifier unit carries out limited range enlargement process, after process, output signal is to described clock data recovery unit CDR, exports after carrying out clock and data recovery Shape correction by described clock data recovery unit CDR.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104702337A (en) * | 2015-02-15 | 2015-06-10 | 无锡市中新光通信技术有限公司 | 2.5 Gbps-speed long-span optical communication transmission device |
| CN106253990A (en) * | 2016-09-05 | 2016-12-21 | 飞昂通讯科技南通有限公司 | A kind of high-speed low-power-consumption light transceiving chip |
| CN107635157A (en) * | 2017-10-27 | 2018-01-26 | 四川天邑康和通信股份有限公司 | A kind of circuit for effectively shortening GPON ONU time bursts |
| CN107818059A (en) * | 2017-10-27 | 2018-03-20 | 四川天邑康和通信股份有限公司 | The circuit without plug-in EEPROM based on optical drive UX3320 |
| CN108494500A (en) * | 2018-02-28 | 2018-09-04 | 浙江恒捷通信科技有限公司 | One kind being based on E1 interface 1+1 protection type PCM comprehensive multiplexing device circuits |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104702337A (en) * | 2015-02-15 | 2015-06-10 | 无锡市中新光通信技术有限公司 | 2.5 Gbps-speed long-span optical communication transmission device |
| CN106253990A (en) * | 2016-09-05 | 2016-12-21 | 飞昂通讯科技南通有限公司 | A kind of high-speed low-power-consumption light transceiving chip |
| CN106253990B (en) * | 2016-09-05 | 2019-07-16 | 飞昂创新科技南通有限公司 | A kind of high-speed low-power-consumption light transceiving chip |
| CN107635157A (en) * | 2017-10-27 | 2018-01-26 | 四川天邑康和通信股份有限公司 | A kind of circuit for effectively shortening GPON ONU time bursts |
| CN107818059A (en) * | 2017-10-27 | 2018-03-20 | 四川天邑康和通信股份有限公司 | The circuit without plug-in EEPROM based on optical drive UX3320 |
| CN107635157B (en) * | 2017-10-27 | 2023-08-15 | 四川天邑康和通信股份有限公司 | Circuit for effectively shortening GPON ONU burst time |
| CN107818059B (en) * | 2017-10-27 | 2023-08-25 | 四川天邑康和通信股份有限公司 | Circuit based on optical drive UX3320 does not have plug-in EEPROM |
| CN108494500A (en) * | 2018-02-28 | 2018-09-04 | 浙江恒捷通信科技有限公司 | One kind being based on E1 interface 1+1 protection type PCM comprehensive multiplexing device circuits |
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Application publication date: 20150107 |