CN103475415A - Method for transmitting optical module low-speed signals - Google Patents
Method for transmitting optical module low-speed signals Download PDFInfo
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- CN103475415A CN103475415A CN2013104429740A CN201310442974A CN103475415A CN 103475415 A CN103475415 A CN 103475415A CN 2013104429740 A CN2013104429740 A CN 2013104429740A CN 201310442974 A CN201310442974 A CN 201310442974A CN 103475415 A CN103475415 A CN 103475415A
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Abstract
The invention discloses a method for transmitting optical module low-speed signals. An optical module is connected with an opposite-end optical module through an optical fiber, sets transmitting average optical power as Pt1 to express the transmitting low-speed signal 1 and sets transmitting average power as Pt0 to express the transmitting low-speed signal 0, the PT1 reaches the opposite-end optical module after attenuation through an optical fiber link, and the receiving optical power of the opposite-end optical module is Pr1 to express the reception of the low-speed signal 1; the Pt0 reaches the opposite-end optical module after attenuation through the optical fiber link, and the receiving optical power of the opposite-end optical module is Pr0 to express the reception of the low-speed signal 0. According to the method, a channel is provided for low-speed signal transmission between the optical modules and is logically independent to a high-speed data communication channel, and transmission of the optical module low-speed signals can be achieved under the conditions that high-speed data transmission is not influenced.
Description
Technical field
The present invention relates to optical communication field, particularly a kind of optical module low speed signal transmission method.
Background technology
Optical module is a kind of electrooptical device, be widely used in communication, optical module generally includes Optical Transmit Unit and light receiving unit, the high-speed data of the constant bit rate that Optical Transmit Unit will transmit is from the light signal of signal of telecommunication phase code rate, by optical fiber, launch, light receiving unit receives by the high-speed optical signal of a constant bit rate of Optical Fiber Transmission, and is converted to the signal of telecommunication of phase code rate.Optical module is connected by optical fiber with the opposite end optical module, for the long Distance Transmission of high-speed data, if but optical module need to be understood the information of opposite end optical module, product type for example, and manufacturer, operating state etc., current technology still can not solve.
Summary of the invention
The present invention proposes a kind of optical module low speed signal transmission method, solved the problem that in above-mentioned prior art, optical module exists, the transmission that the method is low speed signal between optical module provides a channel, this channel is independent of the high-speed data communication channel in logic, can in the situation that do not affect high speed data transfer, realize the transmission of optical module low speed signal.
Technical scheme of the present invention is achieved in that
Optical module low speed signal transmission method, it is that optical module is connected by optical fiber with the opposite end optical module, described optical module is set emission average light power Pt1, mean transmission low speed signal " 1 ", it is Pt0 that described optical module is set the emission average power, means transmission low speed signal " 0 ", Pt1 is after the optical fiber link decay, arrive described opposite end optical module, its received optical power is Pr1, means to receive low speed signal " 1 "; Pt0, after the optical fiber link decay, arrives described opposite end optical module, and its received optical power is Pr0, means to receive low speed signal " 0 ".
Described optical module and opposite end optical module form by Optical Transmit Unit, light receiving unit and monitoring unit, the described Optical Transmit Unit reception signal of telecommunication converts light signal to and launches, light receiving unit is converted to the signal of telecommunication by the light signal of reception, and described monitoring unit is controlled the emission average light power by the bias current of adjusting luminescent device.
Further, self-defined or utilize existing serial communication protocol, realize the low-speed serial transmission of signal between optical module by this serial communication protocol.
In order not affect the transmission of high-speed data, described optical module emission average light power can not have saltus step, while therefore transmitting low speed signal, must progressively adjust stably the bias current of described optical module.
The invention has the beneficial effects as follows, the present invention proposes a kind of optical module low speed signal transmission method, for the transmission of low speed signal between optical module provides a channel, this channel is independent of the high-speed data communication channel in logic, can in the situation that do not affect high speed data transfer, realize the transmission of low speed signal between optical module.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
With reference to Fig. 1, optical module low speed signal transmission method, it is that optical module is connected by optical fiber with the opposite end optical module, and described optical module is set emission average light power Pt1, means transmission low speed signal " 1 ", it is Pt0 that described optical module is set the emission average power, mean transmission low speed signal " 0 ", Pt1, after the optical fiber link decay, arrives described opposite end optical module, its received optical power is Pr1, means to receive low speed signal " 1 "; Pt0, after the optical fiber link decay, arrives described opposite end optical module, and its received optical power is Pr0, means to receive low speed signal " 0 ".
Optical module and opposite end optical module form with monitoring unit 3 by Optical Transmit Unit 1, light receiving unit 2, the Optical Transmit Unit 1 reception signal of telecommunication converts light signal to and launches, light receiving unit 2 is converted to the signal of telecommunication by the light signal of reception, and monitoring unit 3 is controlled the emission average light power by the bias current of adjusting luminescent device.
In order not affect the transmission of high-speed data, described optical module emission average light power can not have saltus step, while therefore transmitting low speed signal, must progressively adjust stably the bias current of described optical module.
Further, take said method as basis, can be self-defined or utilize existing serial communication protocol, realize the low-speed serial transmission of signal between optical module by this serial communication protocol.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. optical module low speed signal transmission method, it is characterized in that, it is that optical module is connected by optical fiber with the opposite end optical module, and described optical module is set emission average light power Pt1, means transmission low speed signal " 1 ", it is Pt0 that described optical module is set the emission average power, mean transmission low speed signal " 0 ", Pt1, after the optical fiber link decay, arrives described opposite end optical module, its received optical power is Pr1, means to receive low speed signal " 1 "; Pt0, after the optical fiber link decay, arrives described opposite end optical module, and its received optical power is Pr0, means to receive low speed signal " 0 ".
2. optical module low speed signal transmission method as claimed in claim 1, it is characterized in that, described optical module and opposite end optical module form by Optical Transmit Unit, light receiving unit and monitoring unit, the described Optical Transmit Unit reception signal of telecommunication converts light signal to and launches, light receiving unit is converted to the signal of telecommunication by the light signal of reception, and described monitoring unit is controlled the emission average light power by the bias current of adjusting luminescent device.
3. optical module low speed signal transmission method as claimed in claim 1, is characterized in that, self-defined or utilize existing serial communication protocol, realizes the low-speed serial transmission of signal between optical module by described this serial communication protocol.
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| CN2013104429740A CN103475415A (en) | 2013-09-25 | 2013-09-25 | Method for transmitting optical module low-speed signals |
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| CN2013104429740A CN103475415A (en) | 2013-09-25 | 2013-09-25 | Method for transmitting optical module low-speed signals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224747A (en) * | 2018-03-02 | 2019-09-10 | 和硕联合科技股份有限公司 | The modification method of photoelectricity transmission power |
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| US20090103927A1 (en) * | 2007-10-17 | 2009-04-23 | David George Cunningham | fiber optic link, a transceiver for use in the link, and methods for designing and constructing fiber optic links and transceivers |
| US20090190931A1 (en) * | 2006-11-30 | 2009-07-30 | Fujitsu Limited | Optical line terminal |
| CN101610116A (en) * | 2009-07-17 | 2009-12-23 | 深圳市巨联光电技术有限公司 | Optical port self-adaptive ethernet optical fiber transceiver and adaptive approach thereof |
| CN102185658A (en) * | 2011-05-16 | 2011-09-14 | 浙江工业大学 | Intelligent light receiving and transmitting module capable of automatically adjusting emitted light power |
| CN202094897U (en) * | 2010-12-20 | 2011-12-28 | 武汉元创光电科技有限公司 | Long distance transmission system and transmit-receive device of low speed optical communication signal |
| CN202998098U (en) * | 2012-11-12 | 2013-06-12 | 中兴通讯股份有限公司 | Optical module port test device |
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2013
- 2013-09-25 CN CN2013104429740A patent/CN103475415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090190931A1 (en) * | 2006-11-30 | 2009-07-30 | Fujitsu Limited | Optical line terminal |
| US20090103927A1 (en) * | 2007-10-17 | 2009-04-23 | David George Cunningham | fiber optic link, a transceiver for use in the link, and methods for designing and constructing fiber optic links and transceivers |
| CN101610116A (en) * | 2009-07-17 | 2009-12-23 | 深圳市巨联光电技术有限公司 | Optical port self-adaptive ethernet optical fiber transceiver and adaptive approach thereof |
| CN202094897U (en) * | 2010-12-20 | 2011-12-28 | 武汉元创光电科技有限公司 | Long distance transmission system and transmit-receive device of low speed optical communication signal |
| CN102185658A (en) * | 2011-05-16 | 2011-09-14 | 浙江工业大学 | Intelligent light receiving and transmitting module capable of automatically adjusting emitted light power |
| CN202998098U (en) * | 2012-11-12 | 2013-06-12 | 中兴通讯股份有限公司 | Optical module port test device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110224747A (en) * | 2018-03-02 | 2019-09-10 | 和硕联合科技股份有限公司 | The modification method of photoelectricity transmission power |
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Application publication date: 20131225 |