CN103391141B - E1 interface signal tester and method of testing thereof - Google Patents
E1 interface signal tester and method of testing thereof Download PDFInfo
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- CN103391141B CN103391141B CN201310310839.0A CN201310310839A CN103391141B CN 103391141 B CN103391141 B CN 103391141B CN 201310310839 A CN201310310839 A CN 201310310839A CN 103391141 B CN103391141 B CN 103391141B
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Abstract
The present invention is that a kind of E1 interface signal connects tester and method of testing thereof, adopts the one-way conduction characteristic of light emitting diode to realize the test of E1 interface signal stream.Its structure includes E1 interface union joint and direct-connected device, and union joint is connected with light emitting diode and direct-connected device respectively, and light emitting diode positive pole is connected with signal transmssion line, and light emitting diode negative pole is connected with shielding line；The outer surface of signal transmssion line is provided with inner sheath, and the outer surface of inner sheath is provided with outer conductor.The present invention can be implemented on DDF frame or transmission is directly docked in situation with business E1 interface, can quickly, accurately test the sending and receiving of E1 interface signal, it is achieved transmission and business side E1 interface signal rapid abutting joint and carry out the demand that equipment and cable fault judge, position.
Description
Technical field
The present invention relates to a kind of signal testing device, particularly relate to a kind of communication equipment and business E1 interface signal tester and method of testing thereof, be applied in the work in everies such as communication equipment construction, operational trials and maintenance.
Background technology
Along with Fast Construction and the development of power system, communication of power system industry has developed into the optical communication network based on optic communication and digital communication technology.And E1 interface is as the most basic rate interface of optic communication and data communication system, obtains in current communication system and be widely applied most.From office's center to center communications machine room of power system to each grade transformer substation communication equipment; whether scheduling, relay protection, telemechanical, electric quantity acquisition, data network and automated system; or the transmission of every communication services such as executive exchanger, dispatching exchange interconnection plane and the Internet connects, and will use E1 interface.When but transmission system is docked with the E1 interface of every business for a long time, whether the transmission of E1 signal is normal and judges that sending and receiving direction is all without fixing test instrumentation, can only first dock, if after business opens normal operation with transmission system equipment, E1 nonpassage of signal, then two E1 interface plugs are exchanged, if also obstructed, it is accomplished by checking that line is whether normal, or monitors transmission system with 2M BER tester and whether access network equipment system signal is normal.Thus bringing a lot of inconvenience to Contraction in Site, add operation intensity, sometimes a service fulfillment job, generally requires scene several times, coordinates test just can complete through each professional, also wants the test instrumentation of carrying noble.
Summary of the invention
The present invention is directed to Problems existing in above-mentioned existing real work, a kind of E1 interface signal tester is proposed, adopt characteristic and the operation principle of light emitting diode, utilize existing E1 interface union joint and direct-connected device, solve prior art cannot complete E1 interface signal sending and receiving joint connection in site, test problem.
Another object of the present invention is to provide the method for testing of a kind of E1 interface signal tester.
Technical scheme is as follows:
Including E1 interface union joint and direct-connected device, union joint is connected with light emitting diode and direct-connected device respectively, and light emitting diode positive pole is connected with signal transmssion line, and light emitting diode negative pole is connected with shielding line；The outer surface of signal transmssion line is provided with inner sheath, and the outer surface of inner sheath is provided with outer conductor.
Described signal transmssion line is heart yearn.
Described shielding line is line skin.
Described inner sheath is insulating barrier.
Described outer conductor is screen layer or signal ground；The outer surface of outer conductor is provided with oversheath.
Described union joint is connected with the E1 signal testing plug on DDF frame.
Described direct-connected device is connected with the E1 holding wire of transmission or business side equipment.
The method of testing of the present invention comprises the steps:
The direct-connected device part of described E1 interface signal tester is taken off, before being only directly inserted in DDF frame by its main part, the required E1 interface testing plug tested or socket are tested, when the signal lamp person of glowing is sending out of E1 signal, not luminous person is the receipts of E1 signal；If the two of an E1 signal interfaces are not luminous or all luminous, illustrate that the tributary signal that transmission equipment or business device side are brought is abnormal, it is necessary to inspection processes.
The method of testing of the present invention comprises the steps:
E1 signal wire jumper is connected with equipment 2M cable side of sending out on DDF frame, described E1 interface signal tester is used to test at wire jumper opposite side, if it is indicated that lamp is bright normal for wire jumper, if it is indicated that lamp does not work, illustrate that wire jumper soldering is bad, it is necessary to again process.
The method of testing of the present invention comprises the steps:
The E1 holding wire that the direct-connected device of described E1 interface signal tester is sent here with transmission equipment and business device both sides is used to be connected, if it is indicated that device luminescence person is E1 signal hair line, not luminous person's take-up, sending out of transmission equipment side should be connected with the receipts of business device side, the receipts of transmission equipment side are connected with sending out of business device side, could realize the reliable docking of signal；If finding during test that transmission equipment side or two, business device side line are all luminous or unglazed, illustrate that transmission equipment or business device side apparatus break down, distribution occurs that mistake or cable are bad, then abort situation place is judged at scene, processes at once.
Advantages of the present invention effect is: adopt the one-way conduction characteristic of light emitting diode to realize the measurement of E1 interface signal stream.The blank area of E1 interface testing line is connected respectively with the positive and negative electrode of light emitting diode, and coordinates with the direct-connected device of E1 interface, be made for the E1 signal testing device of the present invention.Feature specific as follows:
1, using test accuracy high, on-the-spot application is strong.
2, cost is low, volume is little, lightweight, use swift to operate, be easy to carry.
3, test connects flexible, and operational approach is simple.
4, the test of various E1 interface signal it is adapted to, widely applicable.
5, practical, applied range, improves work efficiency.
6, communication network troubleshooting speed is improved, it is ensured that safe operation.
7, work efficiency can be improved, save and come and go cost used by working site, convenient test, quick,
Improve communication network device and traffic failure processing speed.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is on-line testing embodiment of the method connection diagram of the present invention.
In figure, 1, signal transmssion line, 2, shielding line, 3, light emitting diode, 4, inner sheath, 5, outer conductor, 6, direct-connected device, 7, oversheath；8, transmission equipment, 9, DDF frame, 10, business device, 11, E1 interface signal tester, 12, E1 signal transmssion line, 13, E1 signal service line, 14, transmission and business E1 signal junction point.
Detailed description of the invention
Referring to accompanying drawing, in conjunction with specific embodiments, the detailed description present invention.
Embodiment
As it is shown in figure 1, include E1 interface union joint and direct-connected device 6, union joint is connected with light emitting diode 3 and direct-connected device 6 respectively, and light emitting diode 3 positive pole is connected with signal transmssion line 1, and light emitting diode 3 negative pole is connected with shielding line 2；The outer surface of signal transmssion line 1 is provided with inner sheath 4, and the outer surface of inner sheath 4 is provided with outer conductor 5.Union joint is connected with the E1 signal testing plug on DDF frame, and direct-connected device is connected with the E1 holding wire of transmission or business side equipment.
Described signal transmssion line is heart yearn.
Described shielding line is line skin.
Described inner sheath is insulating barrier.
Described outer conductor is screen layer or signal ground.
The outer surface of described outer conductor is provided with oversheath.
The operation principle of the present invention is as follows:
Frame structure principle according to E1 interface knows that an E1 is the link of 2.048M, and with pcm encoder, the frame length of E1 is 256 bit, is divided into 32 time slots, and a time slot is 8 bit, and the frame having 8k E1 per second passes through interface, and namely interface rate is 2048kbit/s.So, time normal, E1 interface sending side has signal code and passes through.And the characteristic of light emitting diode (being called for short LED) is forward conduction, reversely ends, be operated in forward bias condition, when there being forward current to pass through, LED can convert electrical energy into luminous energy and luminous, and its forward running voltage is usually no more than 2V, and forward current is about 10mA.So the signal sending end of E1 interface being connected with light emitting diode in test E1 interface, sending light emitting diode under normal circumstances in device signal and luminous, and when being connected with receiving terminal, because of do not have signal stream by and not luminous.
Method of testing of the present invention is implemented mainly to divide three types as follows.
1, on DDF distributing frame, carry out the test of E1 signal, as shown in Figure 2, on DDF frame 9 during test, the direct-connected device part of E1 interface signal tester 11 of the present invention can be taken off, before being only directly inserted in DDF frame by its main part, the required E1 interface testing plug tested or socket are tested, when the signal lamp person of glowing is sending out of E1 signal, not luminous person is the receipts of E1 signal.If the two of an E1 signal interfaces are not luminous or all luminous, illustrate that the tributary signal that transmission equipment 8 or business device 10 side are brought is abnormal.Needs inspection processes.
2, on test DDF frame, whether E1 signal wire jumper is normal, as shown in Figure 2, E1 signal wire jumper can be connected with equipment 2M cable side of sending out on DDF frame, tester of the present invention is used to test at wire jumper opposite side, if it is indicated that lamp is bright normal for wire jumper, if it is indicated that lamp does not work, illustrate that wire jumper welding etc. processes bad, it is necessary to again process.
3, without DDF frame time, transmission equipment 8 side or business device 10 are surveyed E1 interface signal test, shown in Fig. 2, the E1 holding wire that the direct-connected device of the present invention is sent here with transmission equipment 8 and business device 10 both sides is used to be connected, if it is indicated that device luminescence person is E1 signal hair line, not luminous person's take-up, sending out of transmission equipment 8 side should be connected with the receipts of business device 10 side, the receipts of transmission equipment 8 side are connected with sending out of business device 10 side, could realize the reliable docking of signal.If finding during test that transmission equipment 8 side or two, business device 10 side line are all luminous or unglazed, illustrate that transmission equipment 8 or business device 10 side apparatus break down, distribution occurs that mistake or cable are bad, then can judge abort situation place in scene, process at once.
From above embodiment it can be seen that E1 signal testing utensil has onsite application test accurate, easy to connect, operational approach is simple, it is possible to various E1 interface connecting tests, use flexible operation, volume is little, be easy to carry.We are widely used in communication equipment construction and the work in every such as operational trials, operation maintenance, work efficiency can be improved, save the cost come and gone used by working site, convenient test, quick, improve communication network device and traffic failure processing speed, it is ensured that communication network is safe and reliable, stable operation。
The above is specific embodiments of the invention and the know-why used, any based on the equivalent transformation on technical solution of the present invention basis, belongs within protection scope of the present invention.
Claims (4)
1.E1 interface signal tester, including E1 interface union joint and direct-connected device, it is characterised in that union joint is connected with light emitting diode and direct-connected device respectively, light emitting diode positive pole is connected with signal transmssion line, and light emitting diode negative pole is connected with shielding line；The outer surface of signal transmssion line is provided with inner sheath, and the outer surface of inner sheath is provided with outer conductor；Described signal transmssion line is heart yearn, and described shielding line is line skin, and described inner sheath is insulating barrier, and described outer conductor is screen layer or signal ground；The outer surface of outer conductor is provided with oversheath, and described union joint is connected with the E1 signal testing plug on DDF frame, and described direct-connected device is connected with the E1 holding wire of transmission or business side equipment.
2. the method for testing of E1 interface signal tester according to claim 1, it is characterized in that comprising the steps: that the direct-connected device part by described E1 interface signal tester is taken off, before being only directly inserted in DDF frame by its main part, the required E1 interface testing plug tested or socket are tested, when the signal lamp person of glowing is sending out of E1 signal, not luminous person is the receipts of 1 signal；If the two of an E1 signal interfaces are not luminous or all luminous, illustrate that the tributary signal that transmission equipment or business device side are brought is abnormal, it is necessary to inspection processes.
3. the method for testing of E1 interface signal tester according to claim 1, it is characterized in that comprising the steps: to be connected E1 signal wire jumper with equipment 2M cable side of sending out on DDF frame, described E1 interface signal tester is used to test at wire jumper opposite side, if it is indicated that lamp is bright normal for wire jumper, if it is indicated that lamp does not work, illustrate that wire jumper soldering is bad, it is necessary to again process.
4. the method for testing of E1 interface signal tester according to claim 1, it is characterized in that the E1 holding wire phase comprising the steps: to use the direct-connected device of described E1 interface signal tester to send here with transmission equipment and business device both sides, if it is indicated that device luminescence person is E1 signal hair line, not luminous person's take-up, sending out of transmission equipment side should be connected with the receipts of business device side, the receipts of transmission equipment side are connected with sending out of business device side, could realize the reliable docking of signal；If finding during test that transmission equipment side or two, business device side line are all luminous or unglazed, illustrate that transmission equipment or business device side apparatus are out of order, distribution occurs that mistake or cable are bad, then abort situation place is judged at scene, processes at once.
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| CN201310310839.0A CN103391141B (en) | 2013-07-23 | 2013-07-23 | E1 interface signal tester and method of testing thereof |
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| CN201310310839.0A CN103391141B (en) | 2013-07-23 | 2013-07-23 | E1 interface signal tester and method of testing thereof |
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| CN103391141B true CN103391141B (en) | 2016-07-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716205B (en) * | 2013-12-27 | 2018-05-04 | 国家电网公司 | Light emitting diode application process in communication operation and maintenance |
| CN103823146A (en) * | 2014-03-19 | 2014-05-28 | 国家电网公司 | E1 cable joint diagnosis device |
| CN107328985A (en) * | 2017-07-31 | 2017-11-07 | 国网甘肃省电力公司经济技术研究院 | A kind of new digital distributing frame signal testing device |
| CN107396210A (en) * | 2017-08-17 | 2017-11-24 | 国网江西省电力公司萍乡供电分公司 | 2M transmitting-receivings quickly judge indicator lamp |
| CN107703411A (en) * | 2017-10-27 | 2018-02-16 | 通号工程局集团北京研究设计实验中心有限公司 | A kind of quick apparatus and method for checking line quality in SDH Transmission systems |
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| CN201522519U (en) * | 2009-10-21 | 2010-07-07 | 河北省电力公司超高压输变电分公司 | G.7032Mbps digital signal testing lamp |
| CN102193064A (en) * | 2010-03-16 | 2011-09-21 | 英业达股份有限公司 | Signal test device for circuit boards |
| CN202841423U (en) * | 2012-09-26 | 2013-03-27 | 湖北省电力公司荆州供电公司 | Portable signal tester for digital distribution frame connector |
| CN203340089U (en) * | 2013-07-23 | 2013-12-11 | 国家电网公司 | E1 interface signal tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8558463B2 (en) * | 2011-01-11 | 2013-10-15 | Panasonic Corporation | LED matrix open/short detection apparatus and method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522519U (en) * | 2009-10-21 | 2010-07-07 | 河北省电力公司超高压输变电分公司 | G.7032Mbps digital signal testing lamp |
| CN102193064A (en) * | 2010-03-16 | 2011-09-21 | 英业达股份有限公司 | Signal test device for circuit boards |
| CN202841423U (en) * | 2012-09-26 | 2013-03-27 | 湖北省电力公司荆州供电公司 | Portable signal tester for digital distribution frame connector |
| CN203340089U (en) * | 2013-07-23 | 2013-12-11 | 国家电网公司 | E1 interface signal tester |
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