CN101227237B - Apparatus and method for implementing synchronizing digital hierarchy instrument - Google Patents
Apparatus and method for implementing synchronizing digital hierarchy instrument Download PDFInfo
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- CN101227237B CN101227237B CN200810005259XA CN200810005259A CN101227237B CN 101227237 B CN101227237 B CN 101227237B CN 200810005259X A CN200810005259X A CN 200810005259XA CN 200810005259 A CN200810005259 A CN 200810005259A CN 101227237 B CN101227237 B CN 101227237B
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Abstract
The invention relates to a device for realizing a synchronous digital system instrument, which comprises at least one optical module which is used to transform synchronous digital system signals from a tested device into electrical signals to provide for a serial-parallel/ parallel-serial transforming part and to transform serial signals from the serial-parallel/ parallel-serial transforming part into optical signals to provide for the tested device, the serial-parallel/ parallel-serial transforming part which is used to transform electrical signals from at least one optical module into parallel signals to provide for a framer and to transform pseudo-random code data from the framer into the parallel signals to provide for the optical module, the framer which is used to send generated pseudo-random code signals to the serial-parallel/ parallel-serial transforming part and check alarms and performances of the synchronous digital system signals according to the parallel signals from the serial-parallel/ parallel-serial transforming part and a CPU control device which is used to control the serial-parallel/ parallel-serial transforming part and the framer to work. The invention also comprises a method for realizing the synchronous digital system instrument, thereby the cost can be lowered, the carrying is convenient, and the producing efficiency is increased.
Description
Technical field
The present invention relates to the implementation method of simple and easy SDH (SDH) instrument in a kind of optical transmission system.
Background technology
The SDH instrument is valuable instrument, moving then hundreds of thousands, in addition up to a million.Its method for using is as shown in Figure 1.But in the time of production test, in order to enhance productivity, when needing batch testing, need a large amount of SDH test instrumentations, if buying, the cost of research and development will increase greatly.Simultaneously, when the attendant goes on-site maintenance, for whether test service normally also needs the SDH test instrumentation.If these all need be with instrument to the scene, one is the inconvenience of carrying very, and another one is a cost height very.And the SDH instrument belongs to valuable instrument, and is fragile, does also improper like this.Therefore, need the present invention to come the function of the simple SDH of realization instrument, enhance productivity, reduce cost to utilize a veneer.
Summary of the invention
Consider the problems referred to above and make the present invention that for this reason, main purpose of the present invention is, a kind of apparatus and method that realize synchronizing digital hierarchy instrument are provided.
According to an aspect of the present invention, a kind of device of realizing synchronizing digital hierarchy instrument is provided, it comprises:
At least one optical module, be used for the SDH conversion of signals from tested device be the signal of telecommunication offer string also/parallel serial conversion part, and will from string also/serial signal of parallel serial conversion part converts light signal into to offer tested device;
The string also/parallel serial conversion part; Be used under the control of CPU control device; The electrical signal conversion that will come from least one optical module is a parallel signal offering framer, and the pseudo noise code data transaction that will come from framer is that serial signal is to offer optical module;
Framer is used under the control of CPU control device, with the pseudo noise code signal that generates send to string also/parallel serial conversion part, and according to from string also/parallel signal of parallel serial conversion part detects the alarm and the performance of SDH signal; And
The CPU control device, be used to control string also/work of parallel serial conversion part and framer.
This device can also comprise: display unit is used to represent the alarm of SDH signal.
Display unit can be lamp, when lamp detects the different alarm of SDH signal when framer, representes different alarms through different flashing light modes.
This lamp does not extinguish when framer detects the alarm of SDH signal.
At least one optical module can be connected respectively to the different paths of tested device, to detect the performance of different paths.
Framer is in the process of the device of initialization realization synchronizing digital hierarchy instrument, for each path provides the pseudo noise code signal.
According to a further aspect in the invention, a kind of method that realizes synchronizing digital hierarchy instrument is provided, it may further comprise the steps:
Step S202, under the control of CPU control device, the pseudo noise code signal that framer is generated send to string also/parallel serial conversion part, and be that serial signal is to offer at least one optical module with the pseudo noise code conversion of signals;
Step S204 offers tested device through optical module with serial signal, and tested device is offered at least one optical module according to the SDH signal that serial signal generates;
Step S206 is the signal of telecommunication through at least one optical module with the SDH conversion of signals, and under the control of CPU control device, through string also/parallel serial conversion part will be parallel signal from the SDH conversion of signals of optical module; And
Step S208, through the framer analysis from string also/parallel signal of parallel serial conversion part, to detect the alarm and the performance of SDH signal.
Can at least one optical module be connected respectively to the different paths of tested device, to detect the performance of different paths.
Can before step S202, carry out initialization step, comprise: the pseudo noise code that is generated by framer is provided for each path.
Through technique scheme, can reduce because buy rolling up and raising easy to carry, that can support the efficient of production line of cost that the SDH instrument causes.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the sketch map of the use of SDH instrument in the prior art;
Fig. 2 shows the schematic representation of apparatus according to realization synchronizing digital hierarchy instrument of the present invention;
Fig. 3 shows the flow chart according to the method for realization synchronizing digital hierarchy instrument of the present invention;
Fig. 4 shows the sketch map according to the use of the device of realization synchronizing digital hierarchy instrument of the present invention;
Fig. 5 shows the schematic representation of apparatus that realizes synchronizing digital hierarchy instrument according to the 2.5G of the embodiment of the invention; And
Fig. 6 shows the flow chart according to the method for the realization synchronizing digital hierarchy instrument of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 2 shows the schematic representation of apparatus according to realization synchronizing digital hierarchy instrument of the present invention.
With reference to Fig. 2, a kind of device of realizing synchronizing digital hierarchy instrument is provided, it comprises:
At least one optical module 101, be used for the SDH conversion of signals from tested device be the signal of telecommunication offer string also/parallel serial conversion part, and will from string also/serial signal of parallel serial conversion part 102 converts light signal into to offer tested device;
The string also/parallel serial conversion part 102; Be used under the control of CPU control device 104; The electrical signal conversion that will come from least one optical module 101 is a parallel signal offering framer 103, and the pseudo noise code data transaction that will come from framer 103 is that serial signal is to offer optical module 101;
CPU control device 104, be used to control string also/work of parallel serial conversion part 102 and framer 103.
This device can also comprise: display unit is used to represent the alarm of SDH signal.
Display unit can be lamp, when lamp detects the different alarm of SDH signal when framer 103, representes different alarms through different flashing light modes.
This lamp does not extinguish when framer 103 detects the alarm of SDH signal.
At least one optical module 101 can be connected respectively to the different paths of tested device, to detect the performance of different paths.
Fig. 3 shows the flow chart according to the method for realization synchronizing digital hierarchy instrument of the present invention.
With reference to Fig. 3, a kind of method that realizes synchronizing digital hierarchy instrument is provided, it may further comprise the steps:
Step S202, under the control of CPU control device, the pseudo noise code signal that framer is generated send to string also/parallel serial conversion part, and be that serial signal is to offer at least one optical module with the pseudo noise code conversion of signals;
Step S204 offers tested device through optical module with serial signal, and tested device is offered at least one optical module according to the SDH signal that serial signal generates;
Step S206 is the signal of telecommunication through at least one optical module with the SDH conversion of signals, and under the control of CPU control device, through string also/parallel serial conversion part will be parallel signal from the SDH conversion of signals of optical module; And
Step S208, through the framer analysis from string also/parallel signal of parallel serial conversion part, to detect the alarm and the performance of SDH signal.
Can at least one optical module be connected respectively to the different paths of tested device, to detect the performance of different paths.
Can before step S202, carry out initialization step, comprise: the pseudo noise code that is generated by framer is provided for each path.
Fig. 4 shows the sketch map of use of the device of realization synchronizing digital hierarchy instrument shown in Figure 2.
Fig. 5 shows the schematic representation of apparatus that realizes synchronizing digital hierarchy instrument according to the 2.5G of the embodiment of the invention; And Fig. 6 shows the flow chart according to the method for the realization synchronizing digital hierarchy instrument of the embodiment of the invention.
Illustrated among Fig. 5:
1, SFP optical module: the light/electricity, the electricity/light conversion that are used to realize SDH signal STM16;
2, string also/the parallel serial conversion part branch: the debit to converting SFP optical module electrical signal converted to parallel signal so that framer handle; Originating party is to converting the signal of telecommunication to serial signal from the parallel signal that framer comes out;
3, framer part: the alarm and the performance that are used to detect the SDH signal; Transmitting terminal is used for giving birth to title PRBS pseudo noise code signal.
With reference to Fig. 6, realize that the method for synchronizing digital hierarchy instrument comprises: the laser of opening the SFP optical module; Carry out the initialization of chip, this comprises business initial is turned to the 2.5G business, and it is professional to generate the transmission of PRBS pseudo noise code analogue instrument at transmit port simultaneously; Reception is from the SDH signal of equipment under test, and judges whether have the LOS/LOF alarm in this SDH signal, if alarm is arranged then represent through the bright lamp of branch road; Judge in this SDH signal whether have the B1/B2 error code then, if error code is arranged then represent, if do not have error code then represent through the lamp that extinguishes branch road through the bright lamp of branch road.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a device of realizing synchronizing digital hierarchy instrument is characterized in that, comprising:
At least one optical module, be used for the SDH conversion of signals from tested device be the signal of telecommunication offer string also/parallel serial conversion part, and will from said string also/serial signal of parallel serial conversion part converts light signal into to offer said tested device;
Said string also/parallel serial conversion part; Be used under the control of CPU control device; The said electrical signal conversion that will come from said at least one optical module is a parallel signal offering framer, and the pseudo noise code conversion of signals that will come from said framer is that said serial signal is to offer said optical module;
Said framer; Be used under the control of said CPU control device; With the said pseudo noise code signal that generates send to said string also/parallel serial conversion part, and according to from said string also/the said parallel signal of parallel serial conversion part detects the alarm and the performance of said SDH signal; And
The CPU control device, be used to control said string also/work of parallel serial conversion part and said framer.
2. device according to claim 1 is characterized in that, also comprises: display unit is used to represent the alarm of said SDH signal.
3. device according to claim 2 is characterized in that, said display unit is a lamp, when said lamp detects the different alarm of said SDH signal when said framer, representes said different alarm through different flashing light modes.
4. device according to claim 3 is characterized in that said lamp does not extinguish when said framer detects the alarm of said SDH signal.
5. device according to claim 1 is characterized in that, said at least one optical module is connected respectively to the different paths of said tested device, to detect the performance of said different paths.
6. device according to claim 5 is characterized in that, said framer is in the process of the device of the said realization synchronizing digital hierarchy instrument of initialization, for each path provides said pseudo noise code signal.
7. a method that realizes synchronizing digital hierarchy instrument is characterized in that, may further comprise the steps:
Step S202, under the control of CPU control device, the pseudo noise code signal that framer is generated send to string also/parallel serial conversion part, and be that serial signal is to offer at least one optical module with said pseudo noise code conversion of signals;
Step S204 offers tested device through said optical module with said serial signal, and said tested device is offered said at least one optical module according to the SDH signal that said serial signal generates;
Step S206; Is the signal of telecommunication through said at least one optical module with said SDH conversion of signals; And under the control of said CPU control device, through said string also/parallel serial conversion part will be a parallel signal from the said SDH conversion of signals of said optical module; And
Step S208, through said framer analysis from said string also/the said parallel signal of parallel serial conversion part, with alarm and the performance that detects said SDH signal.
8. method according to claim 7 is characterized in that, said at least one optical module is connected respectively to the different paths of said tested device, to detect the performance of said different paths.
9. method according to claim 8 is characterized in that, before said step S202, carries out initialization step, comprising: the said pseudo noise code signal that is generated by said framer is provided for each path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810005259XA CN101227237B (en) | 2008-01-31 | 2008-01-31 | Apparatus and method for implementing synchronizing digital hierarchy instrument |
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| CN200810005259XA CN101227237B (en) | 2008-01-31 | 2008-01-31 | Apparatus and method for implementing synchronizing digital hierarchy instrument |
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| CN101227237A CN101227237A (en) | 2008-07-23 |
| CN101227237B true CN101227237B (en) | 2012-02-08 |
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| CN200810005259XA Expired - Fee Related CN101227237B (en) | 2008-01-31 | 2008-01-31 | Apparatus and method for implementing synchronizing digital hierarchy instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108415357A (en) * | 2018-02-09 | 2018-08-17 | 上海欣诺通信技术股份有限公司 | A kind of optical transmission device effectively reducing power consumption |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595845A (en) * | 2004-06-24 | 2005-03-16 | 烽火通信科技股份有限公司 | A 40G optical transmission system bit error rate detection method and apparatus |
| CN1791033A (en) * | 2004-12-15 | 2006-06-21 | 华为技术有限公司 | System for realizing SDH logic test and its method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595845A (en) * | 2004-06-24 | 2005-03-16 | 烽火通信科技股份有限公司 | A 40G optical transmission system bit error rate detection method and apparatus |
| CN1791033A (en) * | 2004-12-15 | 2006-06-21 | 华为技术有限公司 | System for realizing SDH logic test and its method |
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Granted publication date: 20120208 Termination date: 20190131 |