CN103716205A - Method for applying light-emitting diode in communication operating maintaining - Google Patents
Method for applying light-emitting diode in communication operating maintaining Download PDFInfo
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- CN103716205A CN103716205A CN201310736931.3A CN201310736931A CN103716205A CN 103716205 A CN103716205 A CN 103716205A CN 201310736931 A CN201310736931 A CN 201310736931A CN 103716205 A CN103716205 A CN 103716205A
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Abstract
The invention relates to the positioning technology of 2M signal orientation in communication operating maintaining, in particular to a method for applying a light-emitting diode in communication operating maintaining. A signal sent by a 2M signal sending port serves as a source, and the light-emitting diode is a testing device; if the light-emitting diode head is turned on, the inserted 2M signal port is a signal output end; if the light-emitting diode head is not turned on, the inserted 2M signal port is a signal receiving end; if the inserted 2M signal end is the 2M signal output end, the light-emitting diode head is not turned on, and the communication line breaks down. The method overcomes the technology bias, and the simplest light-emitting diode is used for testing the 2M signal sending port. The light-emitting diode is an electronic component used frequently, the materials are convenient to obtain, cost is low, an external power source or a signal does not need to be added, and therefore the method is implemented without the limitation of the outside operating conditions, and operation is convenient and fast. Time and labor are saved, the workload is reduced, and working efficiency is improved.
Description
Technical field
The present invention relates to the location technology, particularly a kind of light-emitting diode application process of communicating by letter in operation maintenance of 2M signal trend in a kind of operation maintenance of communicating by letter.
Background technology
The transmission network of electric power system at present be take fairly large SDH optical fiber communication network as main body, mainly provides 2M passage to carry out business transmission, the 2M port that interface is standard.The O&M of 2M passage is operated in communication service work and accounts for very large ratio, therefore locate fast the trend of 2M signal, the operation and maintenance level of 2M passage is seemed to particularly important for communication maintainer and interface user, directly determined operating efficiency and work quality.
In order to locate the trend of 2M signal, traditional means is to utilize the mode of Error Detector or webmaster.But traditional mode is trouble comparatively in actual applications, is mainly need to use power supply when using Error Detector, if battery just cannot complete during without electricity or without alternating current; When using webmaster, at least need 2 people to coordinate, also to communicate by letter unimpeded.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, and propose a kind ofly without additional power source, operation is very convenient, simple and direct, is not subject to the light-emitting diode application process in the communication operation maintenance of extraneous communication condition restriction.
The present invention is achieved through the following channels:
Light-emitting diode application process in communication operation maintenance, its main points are, comprise the steps:
A kind of light-emitting diode is provided, and it comprises luminous tube head and two pins;
Light-emitting diode is made, is become test splice: a kind of 2M cable joint is provided, by the core end welding of pin of light-emitting diode and 2M cable joint, another pin with the ground end welding of 2M cable joint;
Test splice after making is inserted to corresponding 2M signal port,
Bright when luminous tube hair, represent that the 2M signal port of pegging graft is signal output part, if luminous tube head can be not shinny, represent that the 2M signal port of pegging graft is signal receiving end; If what insert is 2M signal output part or 2M signal docking passage, and luminous tube head can be not shinny, represents communication line fault.
At the transmitting terminal of the 2M of communication equipment and subscriber equipment port, understand the continuous signal of sending, yet in conventional art when testing, in order to guarantee accuracy and the sensitivity of test, conventionally the mode that adopts external signal to test, method as described in the background art, therefore the signal that never consideration directly adopts this 2M signal sending end mouth to send is tested, thereby formed a kind of technology prejudice, think that the transmitted signal of this signal sending end mouth is not suitable for test, result has also caused the inconvenience of a lot of tests, test loaded down with trivial details, efficiency is low.
The present inventor has broken through just and has overcome this technology prejudice, has adopted the simplest light-emitting diode to realize the test to 2M signal sending end mouth.First the signal drops scope that 2M signal sending end mouth sends is at 1.5 ~ 2.0 V, electric current approximately 12 ~ 18 mA; And light-emitting diode has unilateral conduction, when adding after forward voltage to light-emitting diode, the fluorescence of spontaneous radiation will be produced.Because the pressure drop of light-emitting diode is generally 1.5 ~ 2.0 V, its operating current is generally 10 ~ 20 mA; The signal just in time can adaptive 2M signal sending end mouth sending, is connected diode with the signal output part of 2M port, diode can be bright, and diode is connected with the signal receiving end of 2M port, and diode does not work.This has brought following technological innovation: first light-emitting diode is very conventional electronic component, and price is very cheap, the convenience, with low cost of therefore drawing materials; Secondly directly to take the signal of 2M port self be test signal to described light-emitting diode, without additional power source or signal, therefore not limited by extraneous operating condition, easy to operate, simple and direct; Last LED test 2M signal port only needs one-handed performance, without many people, coordinates, therefore time saving and energy saving, has reduced workload, has improved operating efficiency.
Embodiment
Most preferred embodiment:
Light-emitting diode application process in communication operation maintenance, first needs to provide a kind of light-emitting diode, and it comprises luminous tube head and two pins; Described light-emitting diode is made as to test splice, and most widely used according to current 2M interface type is L9 type and BNC type.Light-emitting diode and L9 type and BNC type cable joint are combined: by the core end welding of pin of light-emitting diode and 2M cable joint, another pin with the ground end welding of 2M cable joint.
Also the cable end combination of can getting along well in actual use, directly extends two pins by wire.But consider frequency of utilization and result of use, the light-emitting diode of preferred charged cable end, can guarantee the stability of connection and the property easy to carry of equipment like this; Emergency processing adopts pin to extend the light-emitting diode of form, but such simple process needs artificially light-emitting diode is plugged in 2M port, has the unsteadiness connecting, and may have influence on the accuracy of test.
In use, can also complete auxiliary connection by various existing auxiliary straight couplings, make described LED test joint can be applicable to more kinds of situations.Described auxiliary straight coupling comprises that the straight-through head of BNC threeway head, BNC, the straight-through head of L9, L9 turn the straight-through head of BNC and L9U type is first-class etc.
The concrete application of above-mentioned LED test joint is as follows:
1, by DDF, communication equipment is docked to judgement 2M channel signal trend with the 2M port of subscriber equipment:
1) for convenience, the standard and attractive in appearance of wiring, conventionally the 2M port unification of communication equipment is guided to special-purpose distributing frame DDF(digital distribution frame), all access user lines are also guided to the corresponding port of DDF, by U-shaped head, achieve a butt joint; Cannot move towards by intuitive judgment both sides signal,
2) on the 2M of communication equipment side and user equipment side port, sequentially insert LED test joint, when luminous tube hair bright, represent that the 2M signal port of pegging graft is signal output part, if luminous tube head can be not shinny, represent that the 2M signal port of pegging graft is signal receiving end; And indicate according to moving towards location;
3) finally carry out verification: the transmitting terminal of subscriber equipment docks with the receiving terminal of communication equipment, the receiving terminal of subscriber equipment docks with the transmitting terminal of communication equipment, connects and again carries out after U-shaped head and connect test.Test splice is connected on respectively to upper and lower two U-shaped heads, light-emitting diode is shinny again, confirms to connect correct.
2, communication equipment directly docks by coaxial cable with the 2M port of subscriber equipment, judgement 2M channel signal trend:
1) four cables, by the test splice of making, judge the trend of both sides' signal: in four cable head, sequentially insert LED test joint, when luminous tube hair bright, represent that the 2M signal port of pegging graft is signal output part, if luminous tube head can be not shinny, represent that the 2M signal port of pegging graft is signal receiving end; And indicate according to moving towards location;
2) verification: communication equipment is again undertaken by three-way pipe after docking with subscriber equipment and connects test, inserts after test splice, and two diodes are all bright, illustrate and connect correctly.
3, the fault point of judgement 2M link.When operating circuit occurs extremely, help by the following method fault point, location fast:
1) adopt U-shaped head to dock the 2M port of communication equipment side and the 2M port of user equipment side, then plug test splice, if light-emitting diode does not work, be judged as subscriber equipment signal and do not deliver to DDF;
2) again test splice is inserted to the signal sending end mouth of user equipment side, if light-emitting diode does not work, determine that being judged as subscriber equipment signal does not deliver to DDF;
3) if light-emitting diode can be bright, subscriber equipment port has signal output, and port is normal, and the transmitting terminal that fault point is subscriber equipment is to the cable fault between DDF port.Cable is carried out to check processing.
4) after fault is got rid of, utilize diode again to test, subscriber equipment signal is normal to DDF.Connect after U-shaped head, utilize diode to carry out and connect test, connect correctly, it is normal that 2M circuit recovers.
It is same as the prior art that the present invention does not state part.
Claims (1)
1. the light-emitting diode application process in communication operation maintenance, is characterized in that, comprises the steps:
1) provide a kind of light-emitting diode, it comprises luminous tube head and two pins;
2) light-emitting diode is made, is become test splice: a kind of 2M cable joint is provided, by the core end welding of pin of light-emitting diode and 2M cable joint, another pin with the ground end welding of 2M cable joint;
3) test splice after making is inserted to corresponding 2M signal port,
4) when luminous tube hair is bright, represent that the 2M signal port of pegging graft is signal output part, if luminous tube head can be not shinny, represent that the 2M signal port of pegging graft is signal receiving end; If what insert is 2M signal output part or 2M signal docking passage, and luminous tube head can be not shinny, represents communication line fault.
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CN201310736931.3A CN103716205B (en) | 2013-12-27 | 2013-12-27 | Light emitting diode application process in communication operation and maintenance |
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CN201310736931.3A CN103716205B (en) | 2013-12-27 | 2013-12-27 | Light emitting diode application process in communication operation and maintenance |
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CN103716205A true CN103716205A (en) | 2014-04-09 |
CN103716205B CN103716205B (en) | 2018-05-04 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103996946A (en) * | 2014-05-29 | 2014-08-20 | 国家电网公司 | Radio frequency coaxial cable signal calibrator |
CN105242169A (en) * | 2015-10-30 | 2016-01-13 | 北京博望华科科技有限公司 | Determination apparatus for signal transmitting terminal and signal receiving terminal of distribution frame |
CN108769839A (en) * | 2018-05-07 | 2018-11-06 | 国网福建省电力有限公司三明供电公司 | A kind of power communication DDF units |
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CN202103670U (en) * | 2011-06-16 | 2012-01-04 | 辽宁省电力有限公司丹东供电公司 | Fault testing device for optical transmission equipment |
CN102636725A (en) * | 2012-05-11 | 2012-08-15 | 辽宁省电力有限公司盘锦供电公司 | Radio frequency test method for 2M coaxial cable |
CN103217617A (en) * | 2013-04-12 | 2013-07-24 | 国家电网公司 | Data line detection method based on L9 type 2M head |
CN203117348U (en) * | 2013-02-28 | 2013-08-07 | 鸡西电业局 | Fault detector of 2M head and connected cable |
CN103391141A (en) * | 2013-07-23 | 2013-11-13 | 国家电网公司 | E1 interface signal tester and test method thereof |
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2013
- 2013-12-27 CN CN201310736931.3A patent/CN103716205B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202103670U (en) * | 2011-06-16 | 2012-01-04 | 辽宁省电力有限公司丹东供电公司 | Fault testing device for optical transmission equipment |
CN102636725A (en) * | 2012-05-11 | 2012-08-15 | 辽宁省电力有限公司盘锦供电公司 | Radio frequency test method for 2M coaxial cable |
CN203117348U (en) * | 2013-02-28 | 2013-08-07 | 鸡西电业局 | Fault detector of 2M head and connected cable |
CN103217617A (en) * | 2013-04-12 | 2013-07-24 | 国家电网公司 | Data line detection method based on L9 type 2M head |
CN103391141A (en) * | 2013-07-23 | 2013-11-13 | 国家电网公司 | E1 interface signal tester and test method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103996946A (en) * | 2014-05-29 | 2014-08-20 | 国家电网公司 | Radio frequency coaxial cable signal calibrator |
CN105242169A (en) * | 2015-10-30 | 2016-01-13 | 北京博望华科科技有限公司 | Determination apparatus for signal transmitting terminal and signal receiving terminal of distribution frame |
CN108769839A (en) * | 2018-05-07 | 2018-11-06 | 国网福建省电力有限公司三明供电公司 | A kind of power communication DDF units |
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