CN112019267B - BOSA automatic calibration device and method - Google Patents
BOSA automatic calibration device and method Download PDFInfo
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- CN112019267B CN112019267B CN202010766236.1A CN202010766236A CN112019267B CN 112019267 B CN112019267 B CN 112019267B CN 202010766236 A CN202010766236 A CN 202010766236A CN 112019267 B CN112019267 B CN 112019267B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Abstract
The invention provides a BOSA automatic calibration device and a method in the technical field of optical fiber communication, wherein the device comprises: a server; a switch connected to the server; a computer connected to the switch; the extinction ratio tester is connected with the computer; the variable optical attenuator is connected with the computer; the coupler is respectively connected with the extinction ratio tester and the adjustable optical attenuator; one end of the OLT is connected with the switch, and the other end of the OLT is connected with the adjustable optical attenuator; one end of the ONU is connected with the switch, and the other end of the ONU is connected with the coupler; the ONU includes: a CPU; one end of the BOSA is connected with the CPU, and the other end of the BOSA is connected with the coupler; and one end of the network connector is connected with the CPU, and the other end of the network connector is connected with the switch. The invention has the advantages that: the realization carries out parameter automatic calibration to BOSA, very big promotion calibration efficiency, very big reduction the calibration cost.
Description
Technical Field
The invention relates to the technical field of optical fiber communication, in particular to a BOSA automatic calibration device and method.
Background
In the existing PON network (passive optical network) technology, an optical communication terminal mainly refers to an ONU (optical network unit), wherein a device responsible for ONU optical transceiving is called an optical module, and the optical module is composed of an optoelectronic device, a functional circuit, an optical interface, and the like; the optoelectronic device includes a transmitting and receiving device, and the like, a light emitting portion is called TOSA, a light receiving portion is called ROSA, and the TOSA and ROSA are collectively called BOSA (light emitting and receiving module).
BOSA parameters need to be calibrated in production due to differences of photoelectric components, functional circuits, optical interfaces, welding processes and the like of the BOSA. The parameters for BOSA calibration mainly include: the transmit optical power, extinction ratio, LOS level, DDMI (digital diagnostic function) transmit optical power calibration, DDMI receive optical power calibration, etc.
Aiming at the calibration of BOSA parameters, the traditional calibration device adopts an error code meter, an optical attenuator, an optical power meter, an optical splitter, an eye pattern meter, a BOB comprehensive tester, a PC (personal computer) and the like, so that a large amount of instrument equipment needs to be invested, the calibration cost is high, and the adopted instrument equipment generally does not have a data communication interface and cannot meet the requirement of automatic calibration; the traditional calibration method adopts a manual or semi-automatic method, parameter setting and calibration are carried out according to a mode of gradually approaching a target value, repeated trial and adjustment of parameters are needed, calibration and detection results need to be manually input, counted and reported, the operation flow is complex and easy to make mistakes, the production efficiency is low, production task statistics and defective product statistics cannot be rapidly and accurately completed, defective products easily flow into a qualified library, and intelligent production control is difficult to realize.
Therefore, how to provide a BOSA automatic calibration device and method to realize the automatic calibration of parameters of BOSA, improve calibration efficiency, and reduce calibration cost becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a BOSA automatic calibration device and method, which can realize the automatic calibration of parameters of the BOSA, improve the calibration efficiency and reduce the calibration cost.
In a first aspect, the present invention provides an automatic BOSA calibration apparatus, including:
a server;
a switch connected to the server;
a computer connected to the switch;
the extinction ratio tester is connected with the computer;
the variable optical attenuator is connected with the computer;
the coupler is respectively connected with the extinction ratio tester and the adjustable optical attenuator;
one end of the OLT is connected with the switch, and the other end of the OLT is connected with the adjustable optical attenuator;
one end of the ONU is connected with the switch, and the other end of the ONU is connected with the coupler;
the ONU includes:
CPU；
one end of the BOSA is connected with the CPU, and the other end of the BOSA is connected with the coupler;
and one end of the network connector is connected with the CPU, and the other end of the network connector is connected with the switch.
Further, the connection between the computer and the variable optical attenuator is specifically as follows:
the computer is connected with the variable optical attenuator through an RS232 interface.
Further, the connection of the computer and the extinction ratio tester specifically comprises:
the computer is connected with the extinction ratio tester through a USB interface.
Further, the network connector is an RJ45 connector.
In a second aspect, the present invention provides a BOSA automatic calibration method, including the following steps:
step S10, creating a configuration file for setting BOSA calibration parameters in a computer;
step S20, the computer opens the emission light source of the OLT output fixed light power through the exchanger, and issues the instruction of opening BOSA emission light and loading the pseudo-random bit stream to the ONU;
step S30, the computer adjusts the attenuation value of the variable optical attenuator based on the configuration file, and the BOSA is calibrated and tested by the extinction ratio tester and a calibration result is generated;
and step S40, the computer sends the calibration result to a server through a switch.
Further, in the step S10, the BOSA calibration parameters include a BOSA transmitted optical power target value, a BOSA transmitted optical power allowed deviation value, an extinction ratio target value, an extinction ratio allowed deviation value, a DDMI transmitted optical power calibration value, a DDMI transmitted optical power allowed deviation value, a DDMI third-gear received optical power calibration value, a DDMI received optical power allowed deviation value, an LOS level calibration value, and an LOS restoration level hysteresis value;
the DDMI three-gear receiving optical power calibration value comprises a DDMI low-gear receiving optical power calibration value, a DDMI middle-gear receiving optical power calibration value and a DDMI high-gear receiving optical power calibration value.
Further, the step S30 is specifically:
and the computer adjusts the attenuation value of the variable optical attenuator based on the configuration file, and carries out calibration tests on the BOSA by the extinction ratio tester on the transmitting optical power, the extinction ratio, the DDMI transmitting optical power calibration value, the DDMI receiving optical power calibration value and the LOS level, and generates a calibration result.
Further, the calibration test of the emitted light power and the extinction ratio of the BOSA is performed by the extinction ratio tester, and the generation of the calibration result specifically includes:
the computer reads the current BOSA transmitting optical power and the current extinction ratio of the BOSA sequentially through the extinction ratio tester and the coupler, judges whether the difference value between the current BOSA transmitting optical power and the BOSA transmitting optical power target value is smaller than the BOSA transmitting optical power allowable deviation value or not, and whether the difference value between the current extinction ratio and the extinction ratio target value is smaller than the extinction ratio allowable deviation value or not, if yes, the current BOSA transmitting optical power and the current extinction ratio of the BOSA are respectively adjusted to be the BOSA transmitting optical power target value and the extinction ratio target value, and a calibration result that the transmitting optical power and the extinction ratio calibration test are successful is generated; if not, the board number information of the BOSA and the light-emitting abnormal information are sent to the server through the switch, and a calibration result of failed calibration tests of the emitted light power and the extinction ratio is generated.
Further, the calibration test of the DDMI transmitted optical power calibration value and the DDMI received optical power calibration value is performed on the BOSA by the extinction ratio tester, and the generation of the calibration result specifically includes:
the computer reads the current BOSA transmitting optical power of the BOSA sequentially through the extinction ratio tester and the coupler, and calibrates the DDMI transmitting optical power of the BOSA based on the current BOSA transmitting optical power;
after DDMI emission optical power calibration is finished, the computer reads the current DDMI emission optical power of the BOSA, judges whether the difference value between the current DDMI emission optical power and the DDMI emission optical power calibration value is smaller than the DDMI emission optical power allowable deviation value or not, and generates a calibration result of successful DDMI emission optical power calibration value calibration test if the difference value is smaller than the DDMI emission optical power allowable deviation value; if not, generating a calibration result of the calibration test failure of the DDMI emitted optical power calibration value;
the computer issues an instruction for closing BOSA emitted light and a pseudorandom bit stream to the ONU, sequentially adjusts an attenuation value of the adjustable optical attenuator based on a DDMI low-grade receiving optical power calibration value, a DDMI middle-grade receiving optical power calibration value and a DDMI high-grade receiving optical power calibration value, sequentially reads the current DDMI receiving optical power of the BOSA, and sequentially judges whether the difference value between the current DDMI receiving optical power and the DDMI low-grade receiving optical power calibration value, the DDMI middle-grade receiving optical power calibration value and the DDMI high-grade receiving optical power calibration value is smaller than a DDMI receiving optical power allowable deviation value or not, if yes, a calibration result of successful calibration test of the MI receiving optical power calibration value is generated; and if not, generating a calibration result that the calibration test of the DDMI received optical power calibration value fails.
Further, the performing of the calibration test of the LOS level on the BOSA by the extinction ratio tester specifically includes:
the computer reads the LOS level calibration value and the LOS recovery level hysteresis value in the configuration file and sends the LOS level calibration value and the LOS recovery level hysteresis value to the ONU;
the computer adjusts the attenuation value of the variable optical attenuator based on the LOS level calibration value;
and the ONU adjusts the LOS level and the LOS recovery level according to the current receiving level, the LOS level calibration value and the LOS recovery level hysteresis value.
The invention has the advantages that:
by arranging the server, the switch, the computer, the extinction ratio tester, the variable optical attenuator, the coupler and the OLT, a configuration file for setting BOSA calibration parameters is created through the computer, the configuration file can be used for automatically carrying out parameter calibration test on the BOSA, the calibration result is automatically sent to the server, compared with the traditional method that the calibration and detection results need to be manually input for statistics and reporting, the calibration efficiency is greatly improved, the calibration device is simple in structure, a large amount of instrument equipment does not need to be input, the calibration cost is greatly reduced, the calibration result is sent to the server for unified management, production task statistics and defective product statistics can be rapidly and accurately completed, defective products are prevented from flowing into a qualified library, and intelligent production management and control are realized.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of a BOSA automatic calibration device according to the present invention.
FIG. 2 is a flow chart of a BOSA auto-calibration method according to the present invention.
Description of the labeling:
100-a BOSA automatic calibration device, 1-server, 2-switch, 3-computer, 4-extinction ratio tester, 5-variable optical attenuator, 6-coupler, 7-OLT, 8-ONU, 81-CPU, 82-BOSA, 83-network connector.
Detailed Description
Referring to fig. 1 to fig. 2, a preferred embodiment of a BOSA automatic calibration apparatus 100 according to the present invention includes:
a server 1; the server 1 is an MES server, namely a server 1 for operating a generation management control system and is used for uniformly managing the calibration result uploaded by a computer 3;
a switch 2 connected to the server 1 for communication among the server 1, the computer 3, the OLT7, and the ONU 8;
a computer 3 connected to the switch 2 for controlling the calibration apparatus 100, for example, controlling the attenuation value of the variable optical attenuator 5, controlling the switching of the OLT7, reading the test data of the extinction ratio tester 4, and controlling the operation of the ONU 8;
the extinction ratio tester 4 is connected with the computer 3 and is used for measuring the emitted light power and the extinction ratio of the BOSA 82; the extinction ratio refers to the ratio of the optical power P1 of the laser when emitting all '1' codes to the optical power P0 of the laser when emitting all '0' codes;
the variable optical attenuator 5 is connected with the computer 3 and used for adjusting the attenuation value of the optical fiber link to realize received optical power calibration and LOS level calibration;
the coupler 6 is respectively connected with the extinction ratio tester 4 and the adjustable optical attenuator 5 through optical fibers (not shown), and is used for coupling a path of test optical signal from the BOSA82 to the extinction ratio tester 4 for testing;
an OLT (optical line terminal) 7, one end of which is connected to the switch 2 through an optical fiber and the other end of which is connected to the variable optical attenuator 5 through an optical fiber, is a local side device in the PON network, can output a transmitting light source with fixed optical power, and is used for LOS level calibration and received optical power calibration value calibration;
an ONU8 having one end connected to the switch 2 and the other end connected to the coupler 6 via an optical fiber;
the ONU8 comprises:
a CPU81 for receiving the instruction from the computer 3 and controlling the light transmission and reception of BOSA82, and it is not limited to what type of CPU can be selected from the prior art, such as the one of the core series of intel corporation, and the control program is well known to those skilled in the art, and it is available to those skilled in the art without creative work;
BOSA82, one end of which is connected with the CPU81 and the other end of which is connected with the coupler 6;
and a network connector 83 having one end connected to the CPU81 and the other end connected to the switch 2, for communicating with the computer 3 through the switch 2.
The connection between the computer 3 and the variable optical attenuator 5 specifically comprises:
the computer 3 is connected to the variable optical attenuator 5 via an RS232 interface (not shown).
The connection between the computer 3 and the extinction ratio tester 4 is specifically as follows:
the computer 3 and the extinction ratio tester 4 are connected via a USB interface (not shown).
The network connector 83 is an RJ45 connector.
The invention discloses a preferred embodiment of a BOSA automatic calibration method, which comprises the following steps:
step S10, creating a configuration file for setting BOSA calibration parameters in a computer;
step S20, the computer opens the emission light source of the OLT output fixed light power through the exchanger, and issues the instruction of opening BOSA emission light and loading the pseudo-random bit stream to the ONU; namely, the BOSA light power is controlled to be emitted outwards;
step S30, the computer adjusts the attenuation value of the variable optical attenuator based on the configuration file, and the BOSA is calibrated and tested by the extinction ratio tester and a calibration result is generated;
and step S40, the computer sends the calibration result to a server through a switch.
In step S10, the BOSA calibration parameters include a BOSA transmitted optical power target value, a BOSA transmitted optical power allowed deviation value, an extinction ratio target value, an extinction ratio allowed deviation value, a DDMI transmitted optical power calibration value, a DDMI transmitted optical power allowed deviation value, a DDMI third-gear received optical power calibration value, a DDMI received optical power allowed deviation value, an LOS level calibration value, and an LOS recovery level hysteresis value;
the DDMI three-gear receiving optical power calibration value comprises a DDMI low-gear receiving optical power calibration value, a DDMI middle-gear receiving optical power calibration value and a DDMI high-gear receiving optical power calibration value. The DDMI low-grade receiving optical power calibration value is preferably less than-30 dbm; the received optical power calibration value of the DDMI middle gear is preferably-20 dbm to-10 dbm; the DDMI high-grade receiving optical power calibration value is preferably larger than-10 dbm.
The LOS level calibration value, i.e., the low level alarm, i.e., the LOS level calibration value and the LOS recovery level hysteresis value are parameters for testing the optical fiber, and the remaining parameters are parameters for testing whether the BOSA is qualified or not.
The step S30 specifically includes:
and the computer adjusts the attenuation value of the variable optical attenuator based on the configuration file, and carries out calibration tests on the BOSA by the extinction ratio tester on the transmitting optical power, the extinction ratio, the DDMI transmitting optical power calibration value, the DDMI receiving optical power calibration value and the LOS level, and generates a calibration result.
The BOSA is subjected to calibration test of the emitted light power and the extinction ratio through the extinction ratio tester, and the generated calibration result specifically comprises the following steps:
the computer reads the current BOSA transmitting optical power and the current extinction ratio of the BOSA sequentially through the extinction ratio tester and the coupler, judges whether the difference value between the current BOSA transmitting optical power and the BOSA transmitting optical power target value is smaller than the BOSA transmitting optical power allowable deviation value or not, and whether the difference value between the current extinction ratio and the extinction ratio target value is smaller than the extinction ratio allowable deviation value or not, if yes, the current BOSA transmitting optical power and the current extinction ratio of the BOSA are respectively adjusted to be the BOSA transmitting optical power target value and the extinction ratio target value, and a calibration result that the transmitting optical power and the extinction ratio calibration test are successful is generated; if not, the board number information of the BOSA and the light-emitting abnormal information are sent to the server through the switch, and a calibration result of failed calibration tests of the emitted light power and the extinction ratio is generated.
The calibration test of the DDMI transmitted optical power calibration value and the DDMI received optical power calibration value is carried out on the BOSA by the extinction ratio tester, and the generated calibration result is specifically as follows:
the computer reads the current BOSA transmitting optical power of the BOSA sequentially through the extinction ratio tester and the coupler, and calibrates the DDMI transmitting optical power of the BOSA based on the current BOSA transmitting optical power;
after DDMI emission optical power calibration is finished, the computer reads the current DDMI emission optical power of the BOSA, judges whether the difference value between the current DDMI emission optical power and the DDMI emission optical power calibration value is smaller than the DDMI emission optical power allowable deviation value or not, and generates a calibration result of successful DDMI emission optical power calibration value calibration test if the difference value is smaller than the DDMI emission optical power allowable deviation value; if not, generating a calibration result of the calibration test failure of the DDMI emitted optical power calibration value;
the computer issues an instruction for closing BOSA emitted light and a pseudorandom bit stream to the ONU, sequentially adjusts an attenuation value of the adjustable optical attenuator based on a DDMI low-grade receiving optical power calibration value, a DDMI middle-grade receiving optical power calibration value and a DDMI high-grade receiving optical power calibration value, sequentially reads the current DDMI receiving optical power of the BOSA, and sequentially judges whether the difference value between the current DDMI receiving optical power and the DDMI low-grade receiving optical power calibration value, the DDMI middle-grade receiving optical power calibration value and the DDMI high-grade receiving optical power calibration value is smaller than a DDMI receiving optical power allowable deviation value or not, if yes, a calibration result of successful calibration test of the MI receiving optical power calibration value is generated; and if not, generating a calibration result that the calibration test of the DDMI received optical power calibration value fails.
The LOS level calibration test of the BOSA by the extinction ratio tester specifically comprises the following steps:
the computer reads the LOS level calibration value and the LOS recovery level hysteresis value in the configuration file and sends the LOS level calibration value and the LOS recovery level hysteresis value to the ONU;
the computer adjusts the attenuation value of the variable optical attenuator based on the LOS level calibration value;
and the ONU adjusts the LOS level and the LOS recovery level according to the current receiving level, the LOS level calibration value and the LOS recovery level hysteresis value. The LOS recovery level hysteresis value refers to that when an ONU generates an optical signal LOSs alarm (LOS alarm), if the LOS alarm is to be eliminated, the receiving level of the ONU needs to increase a level of the hysteresis value on the basis of the LOS level, so as to avoid a jitter phenomenon that the LOS level edge generates a short alarm and the short alarm disappears.
In summary, the invention has the advantages that:
by arranging the server, the switch, the computer, the extinction ratio tester, the variable optical attenuator, the coupler and the OLT, a configuration file for setting BOSA calibration parameters is created through the computer, the configuration file can be used for automatically carrying out parameter calibration test on the BOSA, the calibration result is automatically sent to the server, compared with the traditional method that the calibration and detection results need to be manually input for statistics and reporting, the calibration efficiency is greatly improved, the calibration device is simple in structure, a large amount of instrument equipment does not need to be input, the calibration cost is greatly reduced, the calibration result is sent to the server for unified management, production task statistics and defective product statistics can be rapidly and accurately completed, defective products are prevented from flowing into a qualified library, and intelligent production management and control are realized.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (3)
1. A BOSA automatic calibration method is characterized in that: the method requires the use of a calibration device comprising:
a server;
a switch connected to the server;
a computer connected to the switch;
the extinction ratio tester is connected with the computer through a USB interface;
the variable optical attenuator is connected with the computer through an RS232 interface;
the coupler is respectively connected with the extinction ratio tester and the adjustable optical attenuator;
one end of the OLT is connected with the switch, and the other end of the OLT is connected with the adjustable optical attenuator;
one end of the ONU is connected with the switch, and the other end of the ONU is connected with the coupler;
the ONU includes:
CPU；
one end of the BOSA is connected with the CPU, and the other end of the BOSA is connected with the coupler;
one end of the network connector is connected with the CPU, and the other end of the network connector is connected with the switch; the network connector is an RJ45 connector;
the method comprises the following steps:
step S10, creating a configuration file for setting BOSA calibration parameters in a computer; the BOSA calibration parameters comprise a BOSA transmitting optical power target value, a BOSA transmitting optical power allowed deviation value, an extinction ratio target value, an extinction ratio allowed deviation value, a DDMI transmitting optical power calibration value, a DDMI transmitting optical power allowed deviation value, a DDMI third-gear receiving optical power calibration value, a DDMI receiving optical power allowed deviation value, an LOS level calibration value and an LOS recovery level hysteresis value;
the DDMI three-gear receiving optical power calibration value comprises a DDMI low-gear receiving optical power calibration value, a DDMI middle-gear receiving optical power calibration value and a DDMI high-gear receiving optical power calibration value;
step S20, the computer opens the emission light source of the OLT output fixed light power through the exchanger, and issues the instruction of opening BOSA emission light and loading the pseudo-random bit stream to the ONU;
step S30, the computer adjusts the attenuation value of the variable optical attenuator based on the configuration file, and the BOSA is subjected to calibration tests of the transmitting optical power, the extinction ratio, the DDMI transmitting optical power calibration value, the DDMI receiving optical power calibration value and the LOS level through the extinction ratio tester to generate a calibration result;
step S40, the computer sends the calibration result to a server through a switch;
in step S30, the calibration test of the DDMI transmitted optical power calibration value and the DDMI received optical power calibration value is performed on the BOSA by the extinction ratio tester, and the generation of the calibration result specifically includes:
the computer reads the current BOSA transmitting optical power of the BOSA sequentially through the extinction ratio tester and the coupler, and calibrates the DDMI transmitting optical power of the BOSA based on the current BOSA transmitting optical power;
after DDMI emission optical power calibration is finished, the computer reads the current DDMI emission optical power of the BOSA, judges whether the difference value between the current DDMI emission optical power and the DDMI emission optical power calibration value is smaller than the DDMI emission optical power allowable deviation value or not, and generates a calibration result of successful DDMI emission optical power calibration value calibration test if the difference value is smaller than the DDMI emission optical power allowable deviation value; if not, generating a calibration result of the calibration test failure of the DDMI emitted optical power calibration value;
the computer issues an instruction for closing BOSA emitted light and a pseudorandom bit stream to the ONU, sequentially adjusts an attenuation value of the adjustable optical attenuator based on a DDMI low-grade receiving optical power calibration value, a DDMI middle-grade receiving optical power calibration value and a DDMI high-grade receiving optical power calibration value, sequentially reads the current DDMI receiving optical power of the BOSA, and sequentially judges whether the difference value between the current DDMI receiving optical power and the DDMI low-grade receiving optical power calibration value, the DDMI middle-grade receiving optical power calibration value and the DDMI high-grade receiving optical power calibration value is smaller than a DDMI receiving optical power allowable deviation value or not, if yes, a calibration result of successful calibration test of the MI receiving optical power calibration value is generated; and if not, generating a calibration result that the calibration test of the DDMI received optical power calibration value fails.
2. The method of claim 1, wherein the BOSA auto-calibration method comprises: the BOSA is subjected to calibration test of the emitted light power and the extinction ratio through the extinction ratio tester, and the generated calibration result specifically comprises the following steps:
the computer reads the current BOSA transmitting optical power and the current extinction ratio of the BOSA sequentially through the extinction ratio tester and the coupler, judges whether the difference value between the current BOSA transmitting optical power and the BOSA transmitting optical power target value is smaller than the BOSA transmitting optical power allowable deviation value or not, and whether the difference value between the current extinction ratio and the extinction ratio target value is smaller than the extinction ratio allowable deviation value or not, if yes, the current BOSA transmitting optical power and the current extinction ratio of the BOSA are respectively adjusted to be the BOSA transmitting optical power target value and the extinction ratio target value, and a calibration result that the transmitting optical power and the extinction ratio calibration test are successful is generated; if not, the board number information of the BOSA and the light-emitting abnormal information are sent to the server through the switch, and a calibration result of failed calibration tests of the emitted light power and the extinction ratio is generated.
3. The method of claim 1, wherein the BOSA auto-calibration method comprises: the LOS level calibration test of the BOSA by the extinction ratio tester specifically comprises the following steps:
the computer reads the LOS level calibration value and the LOS recovery level hysteresis value in the configuration file and sends the LOS level calibration value and the LOS recovery level hysteresis value to the ONU;
the computer adjusts the attenuation value of the variable optical attenuator based on the LOS level calibration value;
and the ONU adjusts the LOS level and the LOS recovery level according to the current receiving level, the LOS level calibration value and the LOS recovery level hysteresis value.
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| CN116801143B (en) * | 2023-08-23 | 2023-12-01 | 宜宾市华迅光通信有限公司 | Method and system for using BOB (BOB) by downstream optical port of FTTR (fiber to the Home) main gateway |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977079A (en) * | 2010-10-29 | 2011-02-16 | 中兴通讯股份有限公司 | Method and system for implementing automatic test of indexes of optical module |
| CN105515648A (en) * | 2015-12-18 | 2016-04-20 | 成都广达新网科技股份有限公司 | BOSA ON BOARD ONU module parameter calibration platform and working method thereof |
| CN206402231U (en) * | 2016-11-30 | 2017-08-11 | 深圳市迈腾电子有限公司 | A kind of ONU multichannels integrated correction and test equipment |
| CN109039447A (en) * | 2018-08-09 | 2018-12-18 | 东莞首翔电子有限公司 | ONT Optical Network Terminal BOB integrated correction test macro and its method |
-
2020
- 2020-08-03 CN CN202010766236.1A patent/CN112019267B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977079A (en) * | 2010-10-29 | 2011-02-16 | 中兴通讯股份有限公司 | Method and system for implementing automatic test of indexes of optical module |
| CN105515648A (en) * | 2015-12-18 | 2016-04-20 | 成都广达新网科技股份有限公司 | BOSA ON BOARD ONU module parameter calibration platform and working method thereof |
| CN206402231U (en) * | 2016-11-30 | 2017-08-11 | 深圳市迈腾电子有限公司 | A kind of ONU multichannels integrated correction and test equipment |
| CN109039447A (en) * | 2018-08-09 | 2018-12-18 | 东莞首翔电子有限公司 | ONT Optical Network Terminal BOB integrated correction test macro and its method |
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