CN105242169A - Determination apparatus for signal transmitting terminal and signal receiving terminal of distribution frame - Google Patents
Determination apparatus for signal transmitting terminal and signal receiving terminal of distribution frame Download PDFInfo
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- CN105242169A CN105242169A CN201510726823.7A CN201510726823A CN105242169A CN 105242169 A CN105242169 A CN 105242169A CN 201510726823 A CN201510726823 A CN 201510726823A CN 105242169 A CN105242169 A CN 105242169A
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Abstract
The invention provides a determination apparatus for a signal transmitting terminal and a signal receiving terminal of a distribution frame. The determination apparatus comprises a housing, a testing connector, and a detection determination module arranged in the housing. The testing connector that is connected by a lead and is arranged outside the housing is used for obtaining a real-time level value generated by a signal of a to-be-tested port. The detection determination module consists of a printed circuit board, a determination chip, a liquid crystal display screen, and a light-emitting diode; and a positive electrode and a negative electrode of the light-emitting diode are connected in parallel with a positive electrode and a negative electrode of the testing connector. The real-time level value is compared with a first threshold value and a second threshold value that are set inside the determination chip and thus a first sign or a second sign can be displayed on the liquid crystal display screen directly, thereby determining whether a port of a distribution frame is a signal transmitting terminal or a signal receiving terminal accurately and rapidly; and with the motion of the light-emitting diode, a visual way of displaying a determination result is realized.
Description
Technical field
The present invention relates to communication equipment field, relate to a kind of signal sending end and signal receiving end judgment means of distributing frame particularly.
Background technology
DDF is between digital multiplex equipment, distributing connection equipment between digital multiplex equipment and other professional equipments such as programme-controlled exchange or data service unit, more and more superiority is had in digital communication, it can make connecting into of the digital code stream of digital communication equipment as a whole, from the input of speed 2Mb/s ~ 155Mb/s signal, export all can terminating on DDF, this is that distribution, line transfer, switching, dilatation all bring very large dirigibility and convenience.DDF mainly provides signal port, and mostly be inside and outside two-layer, internal layer is commonly designated as transmission equipment side, and skin is commonly designated as exchange side, and the equipment that distributing frame two ends connect in other words is switching equipment and transmission equipment.
Send angle from transmitting terminal with signal, (1) switch is connected to signal the exchange side of the DDF of switching room; (2) be connected to the exchange side of the DDF of transmission room by junction line, then be connected to transmission equipment side by U-shaped frame; (3) signal is connected on the branch service veneer transmission equipment (as SDH) from the transmission equipment side of transmission room DDF by junction line; (4) for SDH, on tributary card, numerous signal multiplexing becomes 155M/622M/2.5G/10G, sends eventually through the tail optical fiber on wiring board.With regard to the angle that practical communication business is carried out, be then from the transmission channel being in end-to-end intermediary service first, the mode that the passage that transmission channel responsible official receives license increases newly or changes, the work such as the getting through of passage, allotment are carried out according to mode content, worked rear notice end office (EO) business responsible official, then carry out the debugging efforts of concrete business.After service channel has confirmed to open, terminal traffic personnel business has been exchanged in process, and what first will determine is exactly whether both sides' physical layer link is set up.This just must make the junction cable of oneself be connected to local terminal distributing frame, and ensures that the signal receiving end of business or signal sending end can not be put upside down.Namely the signal receiving end of local terminal corresponding service correspond to that local terminal distributing frame establishes signal sending end, the signal sending end of local terminal business corresponds to the signal receiving end that local terminal distributing frame establishes.In the process of this correspondence, often there is the situation of corresponding mistake, cause business not carry out in time.Common solution is exactly that terminal equipment side switches the signal sending end mouth or receiver port that are relayed to distributing frame, is confirmed whether it is cause link obstructed on the contrary because signal sending end mouth or receiver port connect.
This situation is in transmission, terminal traffic aspect open new business, or it is failture evacuation, very common in defect elimination work, if can not confirm that local terminal business is to the signal sending end mouth of local terminal distributing frame or receiver port whether exact connect ion, just cannot carry out exchanging jobs of next step, if carrying out again and again is exchanged jobs, there is following drawback:
As transmission network management misoperation easily affects the business run;
Coordination problem in reversed process between terminal projects teacher work;
Pulling bayonet joint easily makes joint virtual connection, affects oneself business own;
Careless touching or DDF port miscount situation more can affect other fortune equipment good operation, cause immeasurable loss.
On the other hand, between transmission responsible official and business responsible official, work coordination problem also can delay many time, waste a large amount of manpower and materials, the accurate method of testing of other, " the pocket watch test " such as often said, namely utilizes 2M code error tester to carry out input, then need comparatively complex apparatus, require higher to operating personnel's technical merit, at work and inapplicable, signal sending end or the signal receiving end of DDF port cannot be judged fast.
Summary of the invention
The test defect that the present invention exists in order to the Signal transmissions context of detection solving the above-mentioned existing DDF mentioned, there is provided a kind of signal sending end and signal receiving end judgment means of distributing frame, it just can carry out the detection of signal sending end on DDF or signal receiving end accurately and quickly by portable construction.
Particularly, the invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, it detection judge module comprising shell, test splice and be arranged in shell, described test splice is connected by wire and is arranged on outside described shell;
Described detection judge module comprises printed circuit board (PCB), judges chip, LCDs and light emitting diode, described printed circuit board (PCB) is fixedly installed on the inwall of described shell, described light emitting diode and judge chip setting on the printed circuit board, the outside surface that described LCDs is arranged on described shell connects with described judgement chip electrical;
Described test splice is electrically connected with described light emitting diode with described judgement chip respectively, and the positive pole of described light emitting diode and negative pole are connected in parallel with the positive pole of described test splice and negative pole respectively;
One end of described test splice connects described printed circuit board (PCB), and the other end of described test splice connects terminal cable port, and described terminal cable port is DDF port to be tested,
When the port to be tested of described DDF is signal sending end, the real-time level value that the signal that described test splice can obtain port to be tested produces, and described real-time level value be sent to respectively light emitting diode and judge chip, described judgement chip internal is provided with first threshold, when described real-time level value is positioned at the scope of described first threshold, described judgement chip sends to described LCDs and judges signal, described LCDs demonstrates the first mark to represent that it is for signal sending end, and described real-time level value can drive described light emitting diode to be in highlighted state, or
When the port to be tested of described DDF is signal receiving end, the real-time level value that the signal that described test splice can obtain port to be tested produces, and described real-time level value be sent to respectively light emitting diode and judge chip, described judgement chip internal is provided with Second Threshold, when described real-time level value is positioned at the scope of described Second Threshold, described judgement chip sends to described LCDs and judges signal, described LCDs demonstrates the second mark to represent that it is for signal sending end, and described light emitting diode is in OFF state.
Preferably, described first threshold is for being greater than 2.3V and being less than 2.6V; Described Second Threshold is for being more than or equal to 0V and being less than 0.5V.
Preferably, described shell is provided with the first through hole for installing described light emitting diode.
Preferably, described test splice is L9 joint or BNC connector.
Preferably, described light emitting diode is yellow light-emitting diode.
Preferably, the outer cover of described shell is provided with PVC insulating sheath.
Preferably, described shell is lip pencil structure, and it comprises nib, a body and top, and described test splice is arranged on nib side, and described light emitting diode is arranged on top place, and described LCDs is arranged on it pen.
The invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, it can identify that the port on connection is signal sending end or signal receiving end fast, and structure is simple, easy to use.When for detection signal, it is connected to terminal cable port, if light emitting diode often bright and/or LCDs display first mark, then judges that this port is signal sending end mouth; If light emitting diode does not work and/or LCDs display second mark, then judge that this port is receiver port.Therefore, it is possible to judge the signal sending end that DDF is corresponding or signal receiving end fast.
Accompanying drawing explanation
Fig. 1 is use schematic diagram of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is that the inner structure of detection judge module of the present invention splits schematic diagram;
Fig. 4 is the structural representation of shell of the present invention;
Fig. 5 is the process flow diagram that the signal of distribution frame end of the present invention identifies fast;
Fig. 6 is the structural representation of another embodiment of shell of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, structure and working principle of the present invention is further explained:
Particularly, the invention provides a kind of signal sending end and signal receiving end judgment means 1 of distributing frame, distributing frame is generally DDF, as shown in Figures 2 and 3, it comprises shell 10, test splice 3 and detects judge module 2, test splice 3 is arranged on the outside of shell 10, detects the inside that judge module 4 is arranged on shell 10.Shell 10 is plastic casing or metal shell.The outer cover of shell 10 is provided with insulating sheath, and insulating sheath is PVC sheath.
As shown in Figure 3, detect that judge module 2 comprises printed circuit board (PCB) 21, judges chip 22, LCDs 23 and light emitting diode 24, printed circuit board (PCB) 21 is fixed on the inwall of shell 10, light emitting diode 24 and judge that chip 22 is arranged on printed circuit board (PCB) 21, LCDs 23 is arranged on the outside surface of shell 10, and with judge that chip 22 is electrically connected.
Judge that chip 22 is electrically connected with test splice 3 respectively with light emitting diode 24, and the positive pole of light emitting diode 24 and negative pole are in parallel with the positive pole of test splice 3 and negative pole respectively.
One end of test splice 3 connects printed circuit board (PCB) 21, and the other end of test splice 3 connects terminal cable port 4, and terminal cable port 4 is DDF port one 00 to be tested.When connecting, can confirm that the signalling channel of distributing frame is in on-state, if namely DDF port one 00 to be tested is signal sending end, test splice 3 just can receive the signal that DDF port one 00 to be tested sends and a series of level values produced.
When the port one to be tested 00 of DDF is signal sending end, the real-time level value that the signal that test splice 3 can obtain port to be tested produces, and real-time level value be sent to respectively light emitting diode 24 and judge chip 22, judge that chip 22 inside is provided with first threshold, when real-time level value is positioned at the scope of described first threshold, judge that chip 22 sends to described LCDs 23 and judge signal, LCDs 23 demonstrates the first mark to represent that it is for signal sending end, and level value can drive described light emitting diode 24 to be in highlighted state in real time.Now the scope of level value is 2.35V-2.45V in real time, and first threshold is for being greater than 2.3V and being less than 2.6V.
Or when the port one to be tested 00 of DDF is signal receiving end, the real-time level value that the signal that test splice 3 can obtain port to be tested produces, and real-time level value be sent to respectively light emitting diode 24 and judge chip 22, now level value is actual is zero, judge that chip 22 inside is provided with Second Threshold, Second Threshold is for being more than or equal to 0V and being less than 0.5V.When real-time level value is positioned at the scope of described Second Threshold, judge that chip 22 sends to described LCDs and judge signal, LCDs 23 demonstrates the second mark to represent that it is for signal sending end, and light emitting diode 24 is in OFF state.
When DDF is connected with junction cable interface, terminal cable port 4 also can be digital junction cable interface, test splice 3 can be connected directly to digital junction cable interface, with the signal transmitting and receiving end of quick discriminating digit junction cable interface by switching is first-class.
Generally, test splice 3 is L9 joint, but when DDF port to be tested or digital junction cable interface can not connect L9 joint, test splice is that joint commonly used by BNC connector or other transmission equipments, test splice 3, according to the type of the joint of terminal cable port 4, can be changed accordingly.
As shown in Figure 1, it illustrates the use of signal transmitting and receiving end recognition device on DDF, it comprises DDF 5, digital communication equipment 6 and terminal device 7, it is when testing, test splice is utilized to connect power frame port one 00 to be tested, if signal transmission passage is open-minded, and light emitting diode 24 often bright and/or LCDs 23 show correct signal, then illustrate that this port is the signal sending end 101 of power frame port open wireless tunnel; If signalling channel is open-minded, and light emitting diode does not work and/or LCDs 23 shows rub-out signal, then illustrate that this port is signal receiving end 102.
As shown in Figure 4, shell 10 is provided with the first through hole 11 and the second through hole 12, the size shape of the first through hole 11 is mated with the size shape of light emitting diode 24, for appearing the light of light emitting diode 24 through light emitting diode 24, the second through hole 12 is for through the wire connecting test joint 3 and printed circuit board (PCB) 2.
In another embodiment, as shown in Figure 6, shell 10 is lip pencil structure, it comprises nib 20, nib 30 and a body 40, and test splice 3 is arranged on nib 30 place, and light emitting diode 24 is arranged on written 20 places, LCDs 23 is arranged on a body 40 place, and this kind of structure is more convenient to carry.
Preferably, light emitting diode 24 is yellow light-emitting diode.Level value scope due to signal is 2.35 ~ 2.45V, therefore, uses yellow light emitting diode just in time can meet the lighting requirements under this level value.In use, printed circuit board (PCB) also can be welded with current-limiting resistance, changes magnitude of voltage, and light emitting diode 24 is connected with current-limiting resistance, and now light emitting diode 24 can adopt the light emitting diode of other corresponding colors.
Preferably, also provide a kind of DDF port signal method for quickly identifying, as shown in Figure 5, it comprises the following steps its workflow:
S1, test splice 3 is connected to terminal cable port 4;
If S2 light emitting diode 24 often bright and/or LCDs 23 shows the first mark, then judge that this port is signal sending end mouth;
If S3 light emitting diode 24 does not work and/or LCDs 23 shows the second mark, then judge that this port is receiver port.
Its principle of work is as described below:
When DDF port to be tested is not in operation the business of continuing, junction traffic to be opened, or when causing for various reasons ais alarm signal occurs, this alarm code is inserted by port transmission equipment, after transmission equipment, E1 transfer encoding according to standard: HDB3 code or AMI code are sent to distributing frame corresponding port, its coding rule: in 1 transmission code in 0 message code in 0 transmission code in message code+1 ,-1 alternately.Corresponding to complete 1 warning information that AIS code sends, will positive and negative level alarm signal alternately be produced, signal frequency fs>=8000 (HZ).
When port opens junction traffic, the practical business signal that opposite end sends now can be received in DDF corresponding port, E1 transfer encoding according to standard: HDB3 code or AMI code, irregular positive and negative level traffic message signale will be produced, signal frequency fs>=8000 (HZ).The level value received meet telecommunication standard G.703 nonequilibrium 75ohm time, output digit signals waveform peak normal voltage 2.37V.
Therefore, if DDF port to be tested is signal sending end, its signal total energy produces a series of level value, positive level in this series of level value can trigger the one-way conduction characteristic of light emitting diode, and positive negative level change frequency is far longer than the resolution strobing frequency of human eye in its signal, therefore, the light emitting diode that people see is in normal bright state always, thus, just can infer, when test splice 3 is communicated with DDF port to be tested, if light emitting diode 24 is in highlighted state and LCDs 23 shows the first mark, then this DDF test port is signal sending end.
Otherwise, if DDF port to be tested is signal receiving end, just can not produce a series of level value, light emitting diode cannot conducting, and it is in OFF state, and LCDs 23 shows the second mark, thus, just can infer, when test splice 3 is communicated with DDF port to be tested, if light emitting diode 24 is in the state of not working, then this DDF test port is signal receiving end.
The invention provides a kind of signal sending end and signal receiving end judgment means of distributing frame, it can identify that the port on connection is signal sending end or signal receiving end fast, and structure is simple, easy to use.When for detection signal, it is connected to terminal cable port, if light emitting diode often bright and/or LCDs display first mark, then judges that this port is signal sending end mouth; If light emitting diode does not work and/or LCDs display second mark, then judge that this port is receiver port.Therefore, it is possible to judge the signal sending end that DDF is corresponding or signal receiving end fast.
Last it is noted that above-described each embodiment is only for illustration of technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or to wherein partly or entirely technical characteristic carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the signal sending end of distributing frame and a signal receiving end judgment means, it is characterized in that: it detection judge module comprising shell, test splice and be arranged in shell, described test splice is connected by wire and is arranged on outside described shell;
Described detection judge module comprises printed circuit board (PCB), judges chip, LCDs and light emitting diode, described printed circuit board (PCB) is fixedly installed on the inwall of described shell, described light emitting diode and judge chip setting on the printed circuit board, the outside surface that described LCDs is arranged on described shell connects with described judgement chip electrical;
Described test splice is electrically connected with described light emitting diode with described judgement chip respectively, and the positive pole of described light emitting diode and negative pole are connected in parallel with the positive pole of described test splice and negative pole respectively;
One end of described test splice connects described printed circuit board (PCB), and the other end of described test splice connects terminal cable port, and described terminal cable port is DDF port to be tested,
When the port to be tested of described DDF is signal sending end, the real-time level value that the signal that described test splice can obtain port to be tested produces, and described real-time level value be sent to respectively light emitting diode and judge chip, described judgement chip internal is provided with first threshold, when described real-time level value is positioned at the scope of described first threshold, described judgement chip sends to described LCDs and judges signal, described LCDs demonstrates the first mark to represent that it is for signal sending end, and described real-time level value can drive described light emitting diode to be in highlighted state, or
When the port to be tested of described DDF is signal receiving end, the real-time level value that the signal that described test splice can obtain port to be tested produces, and described real-time level value be sent to respectively light emitting diode and judge chip, described judgement chip internal is provided with Second Threshold, when described real-time level value is positioned at the scope of described Second Threshold, described judgement chip sends to described LCDs and judges signal, described LCDs demonstrates the second mark to represent that it is for signal sending end, and described light emitting diode is in OFF state.
2. the signal sending end of distributing frame according to claim 1 and signal receiving end judgment means, is characterized in that: described first threshold is for being greater than 2.3V and being less than 2.6V; Described Second Threshold is for being more than or equal to 0V and being less than 0.5V.
3. the signal sending end of distributing frame according to claim 2 and signal receiving end judgment means, is characterized in that: described shell is provided with the first through hole for installing described light emitting diode.
4. the signal sending end of distributing frame according to claim 1 and signal receiving end judgment means, is characterized in that: described test splice is L9 joint or BNC connector.
5. the signal sending end of distributing frame according to claim 1 and signal receiving end judgment means, is characterized in that: described light emitting diode is yellow light-emitting diode.
6. the signal sending end of distributing frame according to claim 5 and signal receiving end judgment means, is characterized in that: the outer cover of described shell is provided with PVC insulating sheath.
7. the signal sending end of distributing frame according to claim 5 and signal receiving end judgment means, it is characterized in that: described shell is lip pencil structure, it comprises nib, a body and top, described test splice is arranged on nib side, described light emitting diode is arranged on top place, and described LCDs is arranged on it pen.
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| CN201510726823.7A CN105242169B (en) | 2015-10-30 | 2015-10-30 | The signal sending end and signal receiving end judgment means of a kind of distributing frame |
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| CN105242169B CN105242169B (en) | 2018-02-09 |
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| CN108710058A (en) * | 2018-08-01 | 2018-10-26 | 中铁建电气化局集团南方工程有限公司 | Transmit the tester and test method of Digital 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 |
| CN109474334A (en) * | 2018-10-31 | 2019-03-15 | 国网四川省电力公司达州供电公司 | A kind of digital wiring unit with Air conduct measurement and fault location function |
| CN111277327A (en) * | 2020-01-21 | 2020-06-12 | 国网四川省电力公司 | Line protection communication channel fault area identification method |
| EP3709035A1 (en) | 2019-03-14 | 2020-09-16 | Rohde & Schwarz GmbH & Co. KG | System and method for real-time visualization of radiation pattern |
| CN112526407A (en) * | 2020-11-24 | 2021-03-19 | 国网新疆电力有限公司信息通信公司 | 2M port connecting device of electric power digital distribution frame and port testing method |
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| US10955450B2 (en) | 2019-03-14 | 2021-03-23 | Rohde & Schwarz Gmbh & Co. Kg | System and method for real-time visualization of radiation pattern |
| CN111277327A (en) * | 2020-01-21 | 2020-06-12 | 国网四川省电力公司 | Line protection communication channel fault area identification method |
| CN112526407A (en) * | 2020-11-24 | 2021-03-19 | 国网新疆电力有限公司信息通信公司 | 2M port connecting device of electric power digital distribution frame and port testing method |
| CN112526407B (en) * | 2020-11-24 | 2024-03-19 | 国网新疆电力有限公司信息通信公司 | 2M port connecting device and port testing method for electric power digital distribution frame |
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|---|---|
| CN105242169B (en) | 2018-02-09 |
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