CN102751602A - E1 cable connector, cable type detection circuit board and method - Google Patents
E1 cable connector, cable type detection circuit board and method Download PDFInfo
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- CN102751602A CN102751602A CN2012102154819A CN201210215481A CN102751602A CN 102751602 A CN102751602 A CN 102751602A CN 2012102154819 A CN2012102154819 A CN 2012102154819A CN 201210215481 A CN201210215481 A CN 201210215481A CN 102751602 A CN102751602 A CN 102751602A
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- 238000001514 detection method Methods 0.000 title claims abstract description 251
- 238000000034 method Methods 0.000 title description 10
- 230000005283 ground state Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 101100190527 Arabidopsis thaliana PIN5 gene Proteins 0.000 description 4
- 101100190528 Arabidopsis thaliana PIN6 gene Proteins 0.000 description 4
- 101100190530 Arabidopsis thaliana PIN8 gene Proteins 0.000 description 4
- 108010059419 NIMA-Interacting Peptidylprolyl Isomerase Proteins 0.000 description 4
- 101150087393 PIN3 gene Proteins 0.000 description 4
- 108010037490 Peptidyl-Prolyl Cis-Trans Isomerase NIMA-Interacting 4 Proteins 0.000 description 4
- 102100026114 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 Human genes 0.000 description 4
- 102100031653 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 4 Human genes 0.000 description 4
- 102000007315 Telomeric Repeat Binding Protein 1 Human genes 0.000 description 4
- 108010033711 Telomeric Repeat Binding Protein 1 Proteins 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 2
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 2
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
- G01R31/60—Identification of wires in a multicore cable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The embodiment of the invention provides an E1 cable connector, an E1 cable type detection circuit board and an E1 cable type detection method. The E1 cable connector comprises a connector pin group and a detection pin group, wherein the connector pin group is used for being connected with an E1 cable, and the detection pin group is used for being connected with the detection circuit board and indicating the type of the E1 cable, so that after detecting the type of the E1 cable indicated by the detection pin group, the detection circuit board identifies the type of the E1 cable connected with the connector pin group. According to the E1 cable connector, the E1cable type detection circuit board and the E1cable type detection method provided by the embodiment, the type of the E1 cable is identified, the problems of heavy workload and low efficiency caused by determining matched E1 veneer and E1 cable through repeated attempts can be solved, and the identification efficiency is improved.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of E1 cable connector, type of cable testing circuit plate and method.
Background technology
The E1 interface is to use one of user interface very widely, and at ITU-T G.703 in the standard, the transmitting physical layer protocol of E1 interface is divided into two kinds of 75 ohm of transmission modes of E1 and 120 ohm of transmission modes of E1.In 75 ohm of transmission modes of E1, chip operation pattern, PCB circuit and transmission cable all are 75 ohmages, and in 120 ohm of transmission modes of E1, chip operation pattern, PCB circuit and transmission cable all are 120 ohmages.Therefore, the pairing E1 veneer of the cable of different impedance operators is also different.The E1 cable is provided with the E1 cable connector, and the E1 veneer also is provided with the E1 veneer connector, and E1 cable connector and E1 veneer connector are to after inserting, and realization E1 cable is connected with E1 veneer internal circuit.
With E1 cable and E1 veneer the time, need understand the impedance operator of E1 cable in advance, insert the E1 veneer of associative mode again.Because the E1 cable of 75 ohm E1 cables and 120 ohm in appearance, and the E1 cable connector is the same in form, is difficult to discern.Therefore, under the situation of not knowing type of cable and E1 veneer in advance, must the E1 veneer of two kinds of patterns be connected with the E1 cable respectively, make repeated attempts could confirm the E1 veneer and with the corresponding E1 cable of this E1 veneer, increased workload greatly, efficient is very low.
Summary of the invention
The embodiment of the invention provides a kind of E1 cable connector, type of cable testing circuit plate and method, to realize the identification to the type of cable of E1 cable, improves recognition efficiency.
The embodiment of the invention provides a kind of E1 cable connector, comprising:
Connect the pin group, be used for linking to each other with the E1 cable;
Detect the pin group; Be used for linking to each other with the testing circuit plate; And indicate the type of cable of said E1 cable, make that the testing circuit plate detects the type of cable of said E1 cable of said detection pin group-indicate after, identification and said is connected the type of the E1 cable that the pin group links to each other.
The embodiment of the invention provides a kind of E1 type of cable testing circuit plate, comprising:
Detect interface, be used for linking to each other, wherein with the E1 cable connector; Said E1 cable connector comprises and connects the pin group and detect the pin group; Said connection pin group is used for linking to each other with the E1 cable, and said detection pin group is used for linking to each other with the testing circuit plate, and indicates the type of cable of said E1 cable;
Testing circuit links to each other with said detection interface, be used to detect the type of cable of said E1 cable of said detection pin group-indicate after, identification and said is connected the type of the E1 cable that the pin group links to each other.
The embodiment of the invention provides a kind of E1 type of cable detection method, comprising:
Detection pin group to the E1 cable connector detects, and wherein, said E1 cable connector comprises and connect the pin group and detect the pin group that said connection pin group is used for linking to each other with the E1 cable, and said detection pin group is used to indicate the type of cable of said E1 cable;
After detecting the type of cable of said E1 cable of said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other.
Can know by technique scheme; The E1 cable connector that the embodiment of the invention provides, type of cable testing circuit plate and method; Said detection pin group to the E1 cable connector detects, the type of cable of the E1 cable that identification is connected with the E1 cable connector according to detection signal.Detection through detection pin that the E1 cable connector is provided with in advance; Can discern dissimilar E1 cables; Realized identification to the type of cable of E1 cable; Avoided confirming the big and inefficient problem of workload that the E1 veneer causes, improved recognition efficiency through the mode that makes repeated attempts.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
First kind of E1 cable connector structural representation that Fig. 1 provides for the embodiment of the invention;
Second kind of E1 cable connector structural representation that Fig. 2 provides for the embodiment of the invention;
The third E1 cable connector structural representation that Fig. 3 provides for the embodiment of the invention;
The 4th kind of E1 cable connector structural representation that Fig. 4 provides for the embodiment of the invention;
A kind of E1 type of cable testing circuit plate structure sketch map that Fig. 5 provides for the embodiment of the invention;
The another kind of E1 type of cable testing circuit plate structure sketch map that Fig. 6 provides for the embodiment of the invention;
A kind of testing circuit structural representation that Fig. 7 provides for the embodiment of the invention;
The another kind of testing circuit structural representation that Fig. 8 provides for the embodiment of the invention;
The E1 type of cable detection method flow chart that Fig. 9 provides for the embodiment of the invention;
The another kind of E1 type of cable detection method flow chart that Figure 10 provides for the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of E1 cable connector, and this E1 cable connector comprises and connects the pin group and detect the pin group.Connecting the pin group is used for linking to each other with the E1 cable.Detecting the pin group is used for linking to each other with the testing circuit plate; And indicate the type of cable of said E1 cable; After making that the testing circuit plate detects the type of cable of said E1 cable of said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other.
Particularly, the connection pin group of E1 cable connector links to each other with the E1 cable, and after the connector of E1 cable connector and E1 veneer was pegged graft, the E1 cable realized that with the E1 veneer signal is connected.The E1 cable connector can be used as public head, has a plurality of pins, and for example the E1 cable connector is the DB25 interface, then has 25 pins.Correspondingly, the E1 veneer connector is female head, has the jack of equal number.At least two pins in the E1 cable connector are used for linking to each other with the E1 cable, and the idle pin of at least one in the E1 cable connector is set to detect pin, form to detect the pin group.In order to make the testing process to the type of cable of E1 cable have unified standard, the number of pin and the position that are set to detect pin in the dissimilar E1 cable connectors all should be identical.
In order to distinguish dissimilar E1 cables, need the detection pin group of E1 cable connector be provided with in advance, detection pin group can be indicated the type of cable with the E1 cable that is connected the connection of pin group.When an idle pin is set to detect pin; In a kind of implementation; Can be with the detection pin ground connection of the E1 cable connector that is connected with 75 ohm E1 cable, the detection pin of the E1 cable connector that will be connected with 120 ohm E1 cable is unsettled, does not promptly carry out any processing.For convenience, the E1 cable connector that below will be connected with 75 ohm E1 cable abbreviates 75 ohm of E1 cable connectors as, and the E1 cable connector that will be connected with 120 ohm E1 cable abbreviates 120 ohm of E1 cable connectors as.In the another kind of implementation, also can be with ground connection behind the resistance of the little resistance of detection pin serial connection of 75 ohm of E1 cable connectors, with ground connection behind the resistance of the big resistance of detection pin serial connection of 120 ohm of E1 cable connectors.When two idle pins are set to detect pin, also can adopt multiple mode to be provided with and detect pin so that dissimilar E1 cables is distinguished, owing to more than the implementation existence, do not enumerate one by one at this.
When the type of the E1 cable that connects for the E1 cable connector through the testing circuit plate detects; The testing circuit plate detects the detection pin group to the E1 cable connector; After detecting the type of cable of the E1 cable that detects the pin group-indicate, the type of the E1 cable that identification is continuous with being connected the pin group.Because the E1 cable of different model, the detection pin group of its E1 cable connector is provided with difference, and then the testing circuit plate detects detecting pin, can identify the type of cable of the E1 cable that is connected with this E1 cable connector.
The E1 cable connector that present embodiment provides; Through detecting the setting of pin group; This detection pin group is used to indicate the type of cable of the E1 cable continuous with being connected the pin group, and this detection pin group is detected, and can realize the identification to the type of cable of E1 cable; Avoided confirming the big and inefficient problem of workload that the E1 veneer causes, improved recognition efficiency through the mode that makes repeated attempts.
First kind of E1 cable connector structural representation that Fig. 1 provides for the embodiment of the invention.As shown in Figure 1, in the present embodiment, said detection pin group comprises that first detects the pin PIN1 and the second detection pin PIN2, and said first detects pin PIN1 and said second detects pin PIN2 short circuit.
Particularly; Under a kind of implementation; Can first of the E1 cable connector of preset mode be detected pin PIN1 and second and detect pin PIN2 short circuit, to detect pin PIN2 short circuit status detection, the type of cable of identification E1 cable through detecting pin PIN1 and second to first.
Second kind of E1 cable connector structural representation that Fig. 2 provides for the embodiment of the invention.As shown in Figure 2, said detection pin group comprises that the 3rd detects pin PIN3 and the 4th detection pin PIN4, and said the 3rd detection pin PIN3 and the said the 4th detects between the pin PIN4 and is connected with first resistance R 1.
Particularly; Under another kind of implementation; Can the 3rd of the E1 cable connector of preset mode be detected pin PIN3 and the 4th detects and connects first resistance R 1 between the pin PIN4; To detect the detection that pin PIN3 and the 4th detects pin current in loop that PIN4 is constituted size through testing circuit and the 3rd, the cable model of identification E1 cable.
The third E1 cable connector structural representation that Fig. 3 provides for the embodiment of the invention.As shown in Figure 3, said detection pin group comprises that the 5th detects pin PIN5, and the said the 5th detects pin PIN5 is connected with the first ground contacts GND1.
Particularly, under another kind of implementation, can the 5th of the E1 cable connector of preset mode be detected pin PIN5 ground connection, with through to the 5th detect pin PIN5 ground state detection, the cable model of identification E1 cable.
The 4th kind of E1 cable connector structural representation that Fig. 4 provides for the embodiment of the invention.As shown in Figure 4, said detection pin group comprises that the 6th detects pin PIN6, and the said the 6th detects pin PIN6 is connected with the second ground contacts GND2.
Particularly; Under another kind of implementation; Can the 6th of the E1 cable connector of preset mode be detected between pin PIN6 and the second ground contacts GND2 and be connected second resistance R 2; To detect the detection of pin current in loop that PIN6 is constituted size, the cable model of identification E1 cable through testing circuit and the 6th.
It will be appreciated by persons skilled in the art that the foregoing description has only provided the structure of several kinds of E1 cable connectors that are easy to realize, but the present invention is not as limit.Can also be provided with through other modes and detect the pin group, indicate the purpose of the type of cable of E1 cable to get final product with realization.
A kind of E1 type of cable testing circuit plate structure sketch map that Fig. 5 provides for the embodiment of the invention.As shown in Figure 5, in the present embodiment, this E1 type of cable testing circuit plate comprises detection interface 11 and testing circuit 12.Detecting interface 11 is used for linking to each other with the E1 cable connector; Wherein, said E1 cable connector comprises and connects the pin group and detect the pin group that said connection pin group is used for linking to each other with the E1 cable; Said detection pin group is used for linking to each other with the testing circuit plate, and indicates the type of cable of said E1 cable.Testing circuit 12 links to each other with said detection interface 11, be used to detect the type of cable of said E1 cable of said detection pin group-indicate after, identification and said is connected the type of the E1 cable that the pin group links to each other.
Particularly, this E1 type of cable testing circuit plate specifically can be arranged on the E1 veneer, also can be provided with separately.When E1 type of cable testing circuit plate was arranged on the E1 veneer, this detection interface 11 can be realized through the connector of E1 veneer.
The E1 type of cable testing circuit plate that present embodiment provides; Testing circuit 12 can detect the detection pin group of E1 cable connector; This detection pin group is used to indicate the type of cable that is connected the E1 cable that the pin group links to each other with this E1 cable connector, through this detection pin group is detected, can realize the identification to the type of cable of E1 cable; Avoided confirming the big and inefficient problem of workload that the E1 veneer causes, improved recognition efficiency through the mode that makes repeated attempts.
The another kind of E1 type of cable testing circuit plate structure sketch map that Fig. 6 provides for the embodiment of the invention.As shown in Figure 6; This E1 type of cable testing circuit plate; Further can also comprise configuration circuit 13, configuration circuit 13 is used for linking to each other with the E1 veneer, according to the type of cable of said E1 cable the E1 veneer is configured to the mode of operation with the type of cable coupling of said E1 cable.
When the E1 veneer is configurable veneer, can this E1 veneer be configured according to the type of cable of detected E1 cable, so that the E1 veneer is configured to the mode of operation corresponding with this type of cable, realize the automatic configuration of E1 veneer.
In the present embodiment, said detection pin group comprises that first detects the pin and the second detection pin, and said first detects pin and said second detects the pin short circuit;
Correspondingly; Said testing circuit also is used for the said first detection pin of said E1 cable connector and the said second detection pin are detected; Generate first detection signal; Recognize said first according to said first detection signal and detect pin and the said second detection pin short circuit, detect the type of cable that pin and said second detects the definite E1 cable that is connected with said E1 cable connector of pin short circuit state according to said first.
A kind of testing circuit structural representation that Fig. 7 provides for the embodiment of the invention.As shown in Figure 7, in the present embodiment, said testing circuit comprises control switch Q1, the 3rd resistance R 3 and the 4th resistance R 4.The control end of said control switch Q1 links to each other with first end of said first detection pin and said the 3rd resistance R 3 respectively, and second end of said the 3rd resistance R 3 links to each other with the first power supply VCC1.First end of first end of said control switch Q1 and said the 4th resistance R 4, second end of said the 4th resistance R 4 links to each other with the said first power supply VCC1.Second end of said control switch Q1 links to each other with the 3rd ground contacts GND3 with the said second detection pin respectively.When also being provided with identification circuit in the E1 type of cable testing circuit plate, first end of said control switch Q1 also links to each other with said identification circuit.
Control switch Q1 can realize that specifically control switch Q1 is closed or disconnection under the control of the voltage of its control end through multiple modes such as triode or FETs.Concrete operation principle is: when first detects the pin and the second detection pin short circuit; Control switch Q1 is closed; First detection signal that generates is a low level, detects pin and second and detects pin when unsettled when first, and control switch Q1 breaks off; First detection signal that generates is a high level, then can discern the type of cable of E1 cable according to the difference of first detection signal.For example; First of preset 75 ohm of E1 cable connectors detect pin and second and detect the pin short circuit; First of 120 ohm of E1 cable connectors detect pin and the second detection pin is unsettled; Then ought recognize first detection signal is low level, can confirm that the cable that is connected with this E1 cable connector is 75 ohm an E1 cable.
For obtaining suitable voltage, can also connect suitable resistance element between each device of technique scheme, then a kind of preferred concrete annexation is: said testing circuit also comprises the 5th resistance R 5, the 6th resistance R 6, the 7th resistance and capacitor C.First end of said the 5th resistance R 5 links to each other with the control end of said control switch Q1, and second end of said the 5th resistance R 5 links to each other with first end of said the 3rd resistance R 3 and first end of said capacitor C respectively.First end of said the 6th resistance R 6 links to each other with first end of said the 3rd resistance R 3, and second end of said the 6th resistance R 6 and said first detects pin and links to each other.Second end of said capacitor C links to each other with said the 3rd ground contacts GND3.First end of said the 7th resistance links to each other with first end of said control switch Q1.When also being provided with identification circuit in the E1 type of cable testing circuit plate, second end of said the 7th resistance links to each other with said identification circuit.Through the setting of capacitor C, can improve the stability of testing circuit to realizing Filtering Processing.
The another kind of testing circuit structural representation that Fig. 8 provides for the embodiment of the invention.As shown in Figure 8, in the present embodiment, said testing circuit comprises relay S1, the 8th resistance R 8 and the 9th resistance R 9.First control end of said relay S1 and said first detects pin and links to each other; Second control end of said relay S1 links to each other with second source VCC2 through said the 8th resistance R 8; First output of said relay S1 detects pin with the 4th ground contacts GND4 and said second respectively and links to each other, and second output of said relay S1 links to each other through said the 9th resistance R 9 said second source VCC2.When also being provided with identification circuit in the E1 type of cable testing circuit plate, second output of said relay S1 links to each other with said identification circuit through said the 9th resistance R 9.
Relay S1 is the electronic switch of Electromagnetic Control, relay S1 conducting or disconnection under the control of its first control end and the second control end voltage.Concrete operation principle is: when first detects the pin and the second detection pin short circuit; Relay S1 is closed; First detection signal that generates is a low level, detects pin and second and detects pin when unsettled when first, and relay S1 breaks off; First detection signal that generates is a high level, then can discern the type of cable of E1 cable according to the difference of first detection signal.For example; First of preset 75 ohm of E1 cable connectors detect pin and second and detect the pin short circuit; First of 120 ohm of E1 cable connectors detect pin and the second detection pin is unsettled; Then ought recognize first detection signal is low level, can confirm that the cable that is connected with this E1 cable connector is 75 ohm an E1 cable.
In side circuit was used, the 8th resistance R 8 can also be connected first and detect between first control end of pin and relay S1.When also being provided with identification circuit in the E1 type of cable testing circuit plate, second output of relay S1 can also link to each other with identification circuit through the tenth resistance R 10.
Preferably, this E1 type of cable testing circuit plate also comprises protective circuit, is connected between said testing circuit and the said detection pin group, avoids when testing circuit is connected with detection pin group the damage that interference voltage causes testing circuit.
In the present embodiment, this protective circuit specifically can be voltage stabilizing didoe, and is as shown in Figure 5, and this voltage stabilizing didoe is connected across first and detects between the pin and the second detection pin.Protective circuit can also adopt other forms, gets final product with the protection of realization to testing circuit, does not exceed with present embodiment.
In the present embodiment, said detection pin group comprises that said detection pin group comprises that the 5th detects pin, and the said the 5th detects pin is connected with first ground contacts; Correspondingly; Said testing circuit is used for that also the said the 5th of said E1 cable connector is detected pin and detects; Generate the 3rd detection signal; Recognize the said the 5th according to said the 3rd detection signal and detect pin and is connected, according to the type of cable of the definite E1 cable that is connected with said E1 cable connector of ground state of said the 5th detection pin with said first ground contacts.
Particularly, when the E1 cable that links to each other with this E1 cable connector is connected with chassis shell when being grounded, first ground contacts can be the screen of E1 cable, and the 5th detection pin is connected with the screen of E1 cable, to realize the ground connection of the 5th detection pin.When the 5th detection pin is detected; Testing circuit also can adopt and the similar circuit structure of the foregoing description; In testing circuit shown in Figure 7, second end of control switch Q1 only links to each other with the 3rd ground contacts GND3, and the 5th detects pin detects pin as first; Concrete operation principle is similar, and this repeats no more.In testing circuit shown in Figure 8, first output of relay S1 only links to each other with the 4th ground contacts GND4, and the 6th detects pin detects pin as first, concrete operation principle also class this, this repeats no more.
In the present embodiment, said detection pin group comprises that the 3rd detects pin and the 4th detection pin, and said the 3rd detection pin and the said the 4th detects between the pin and is connected with first resistance.Correspondingly; Said testing circuit also is used for said the 3rd detection pin of said E1 cable connector and said the 4th detection pin are detected; Generate second detection signal; According to said second detection signal first look-up table is searched, the type of cable that said second detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
Particularly; When testing circuit and the 3rd detection pin and the 4th detection pin link to each other, form the loop, because the resistance value of first resistance is different; This current in loop value is also inequality; Collection as second detection signal, can reflect the resistance situation of first resistance with this current value, to realize the identification to the type of cable of E1 cable.
In the present embodiment, said detection pin group comprises that the 6th detects pin, and the said the 6th detects pin is connected with second ground contacts through second resistance.Correspondingly; Said testing circuit is used for that also the said the 6th of said E1 cable connector is detected pin and detects; Generate the 4th detection signal; According to said the 4th detection signal identification second look-up table is searched, the type of cable that said the 4th detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
To the 6th detect pin detection method with above-mentioned to detect the detection method of pin and the 4th detection pin to the 3rd similar, this repeats no more.
It will be understood by those skilled in the art that; Be directed to the detection pin group of the E1 cable connector of different modes setting; Can be through the firm and hard detection that shows the type of cable of E1 cable of corresponding E1 type of cable testing circuit; The foregoing description is just listed the implementation of having lifted several kinds of E1 type of cable testing circuit plates, but the present invention is not as limit.
The E1 type of cable detection method flow chart that Fig. 9 provides for the embodiment of the invention.As shown in Figure 9, the E1 type of cable detection method that present embodiment provides specifically comprises:
The E1 type of cable detection method that present embodiment provides; Can the detection pin group of E1 cable connector be detected; This detection pin group is used to indicate the type of cable that is connected the E1 cable that the pin group links to each other with this E1 cable connector, through this detection pin group is detected, can realize the identification to the type of cable of E1 cable; Avoided confirming the big and inefficient problem of workload that the E1 veneer causes, improved recognition efficiency through the mode that makes repeated attempts.
The another kind of E1 type of cable detection method flow chart that Figure 10 provides for the embodiment of the invention.Shown in figure 10, in the present embodiment,, after said identification and the said type that is connected the E1 cable that the pin group links to each other, can also comprise in step 20:
In the present embodiment, said detection pin group comprises that first detects the pin and the second detection pin, and said first detects pin and said second detects the pin short circuit;
Correspondingly, step 10, said detection pin group to the E1 cable connector detects, and specifically can comprise:
Said first detection pin and the said second detection pin to said E1 cable connector detect, and generate first detection signal;
After the type of cable of step 20, the said said E1 cable that detects said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other, and specifically can comprise:
Recognize said first according to said first detection signal and detect pin and the said second detection pin short circuit, detect the type of cable that pin and said second detects the definite E1 cable that is connected with said E1 cable connector of pin short circuit state according to said first.
In one implementation, detect the pin group and comprise that first detects pin and second and detect pin, promptly on 75 ohm of E1 cable connectors and 120 ohm of E1 cable connectors, be provided with respectively and should detect the pin group.In advance first of 75 ohm of E1 cable connectors are detected pin and second and detect the pin short circuit; The first detection pin and second detector tube of 120 ohm of E1 cable connectors is unsettled; Promptly do not carry out any processing; Or the first detection pin and the second detection pin of 75 ohm of E1 cable connectors is unsettled, promptly do not carry out any processing, first of 120 ohm of E1 cable connectors are detected the pin and the second detector tube short circuit.
Detect the pin short circuit first of 75 ohm of E1 cable connectors are detected pin and second, detecting pin and second detector tube first of 120 ohm of E1 cable connectors unsettled is example.First of E1 cable connector to be identified is detected pin to E1 type of cable testing circuit plate and the second detection pin detects; Generate first detection signal; Recognize first according to this first detection signal and detect the short circuit state that pin and second detects pin, then can recognize what be connected with this E1 cable connector is 75 ohm of E1 cables.Detect the vacant state that pin and second detects pin if recognize first according to this first detection signal, then can recognize what be connected with this E1 cable connector is 120 ohm of E1 cables.
Through first of a kind of E1 cable connector of pattern being detected pin and the second detector tube short circuit is provided with; To distinguish the E1 cable connector of another kind of pattern; Can realize identification, implement simply that identifying also realizes easily to the type of cable of E1 cable.
In the present embodiment, said detection pin group comprises that the 3rd detects pin and the 4th detection pin, and said the 3rd detection pin and the said the 4th detects between the pin and is connected with first resistance;
Correspondingly, step 10, said detection pin group to the E1 cable connector detects, and specifically can comprise:
Said the 3rd detection pin and said the 4th detection pin to said E1 cable connector detect, and generate second detection signal;
According to said second detection signal first look-up table is searched, the type of cable that said second detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
In another kind of implementation, detect the pin group and comprise that the 3rd detects pin and the 4th and detect pin, promptly on 75 ohm of E1 cable connectors and 120 ohm of E1 cable connectors, be provided with respectively and should detect the pin group.Detect pin and the 4th at the 3rd of 75 ohm of E1 cable connectors in advance and detect serial connection first resistance between the pin weak point, or detect pin and the 4th at the 3rd of 120 ohm of E1 cable connectors and detect serial connection first resistance between the pin.The resistance of first resistance is different, and when E1 type of cable testing circuit plate detected pin and the 4th and detects pin and detect the 3rd, the numerical value of second detection signal of generation was also different.First look-up table can be set in advance, comprise the corresponding relation of second detection signal and type of cable in first look-up table.First look-up table is searched the type of cable that to confirm the E1 cable according to this second detection signal.
In the present embodiment, said detection pin group comprises that the 5th detects pin, and the said the 5th detects pin is connected with first ground contacts;
Correspondingly, step 10, said detection pin group to the E1 cable connector detects, and specifically can comprise:
The said the 5th of said E1 cable connector is detected pin detect, generate the 3rd detection signal;
Recognize the said the 5th according to said the 3rd detection signal and detect pin and is connected, according to the type of cable of the definite E1 cable that is connected with said E1 cable connector of ground state of said the 5th detection pin with said first ground contacts.
In another kind of implementation, detect the pin group and comprise that the 5th detects pin, promptly on 75 ohm of E1 cable connectors and 120 ohm of E1 cable connectors, be provided with respectively and should detect the pin group.In advance the 5th of 75 ohm of E1 cable connectors being detected pin is connected with first ground contacts; It is unsettled that the 5th of 120 ohm of E1 cable connectors are detected pin; Promptly do not carry out any processing; Or it is unsettled that the 5th of 75 ohm of E1 cable connectors are detected pin, the 5th of 120 ohm of E1 cable connectors detected pin be connected with first ground contacts.
Be connected with first ground contacts so that the 5th of 75 ohm of E1 cable connectors are detected pin, detecting pin the 5th of 120 ohm of E1 cable connectors unsettled is example.E1 type of cable testing circuit plate detects pin to the 5th of E1 cable connector to be identified and detects; Generate the 3rd detection signal; According to the 3rd detection signal recognize the 5th detect pin ground state, then can recognize what be connected with this E1 cable connector is 75 ohm of E1 cables.If according to the 3rd detection signal recognize the 5th detect pin vacant state, then can recognize what be connected with this E1 cable connector is 120 ohm of E1 cables.
In the present embodiment, said detection pin group comprises that the 6th detects pin, and the said the 6th detects pin is connected with second ground contacts through second resistance;
Correspondingly, step 10, said detection pin group to the E1 cable connector detects, and specifically can comprise:
The said the 6th of said E1 cable connector is detected pin detect, generate the 4th detection signal;
According to said the 4th detection signal identification second look-up table is searched, the type of cable that said the 4th detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
In another kind of implementation, detect the pin group and comprise that the 6th detects pin, promptly on 75 ohm of E1 cable connectors and 120 ohm of E1 cable connectors, be provided with respectively and should detect the pin group.In advance the 6th of 75 ohm of E1 cable connectors are detected pin and be connected with second ground contacts, or the 6th detection pin of 120 ohm of E1 cable connectors is connected with second ground contacts through second resistance through second resistance.The resistance of second resistance is different, and when E1 type of cable testing circuit plate detected the 6th detection pin, the numerical value that generates the 4th detection signal was also different.Second look-up table can be set in advance, comprise the corresponding relation of the 4th detection signal and type of cable in the second look-up table.Second look-up table is searched the type of cable that to confirm the E1 cable according to the 4th detection signal.
Should be understood that first in the embodiment of the invention detects pin to the 6th, first to the tenth resistance, first to fourth detection signal, first to the 3rd earth point, first and second power supplys have been merely differentiation, and the meaning of indefinite order.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (22)
1. an E1 cable connector is characterized in that, comprising:
Connect the pin group, be used for linking to each other with the E1 cable;
Detect the pin group; Be used for linking to each other with the testing circuit plate; And indicate the type of cable of said E1 cable, make that the testing circuit plate detects the type of cable of said E1 cable of said detection pin group-indicate after, identification and said is connected the type of the E1 cable that the pin group links to each other.
2. E1 cable connector according to claim 1 is characterized in that, said detection pin group comprises that first detects the pin and the second detection pin, and said first detects pin and said second detects the pin short circuit.
3. E1 cable connector according to claim 1 is characterized in that:
Said detection pin group comprises that the 3rd detects pin and the 4th detection pin, and said the 3rd detection pin and the said the 4th detects between the pin and is connected with first resistance.
4. E1 cable connector according to claim 1 is characterized in that:
Said detection pin group comprises that the 5th detects pin, and the said the 5th detects pin is connected with first ground contacts.
5. E1 cable connector according to claim 1 is characterized in that:
Said detection pin group comprises that the 6th detects pin, and the said the 6th detects pin is connected with second ground contacts.
6. an E1 type of cable testing circuit plate is characterized in that, comprising:
Detect interface, be used for linking to each other, wherein with the E1 cable connector; Said E1 cable connector comprises and connects the pin group and detect the pin group; Said connection pin group is used for linking to each other with the E1 cable, and said detection pin group is used for linking to each other with the testing circuit plate, and indicates the type of cable of said E1 cable;
Testing circuit links to each other with said detection interface, be used to detect the type of cable of said E1 cable of said detection pin group-indicate after, identification and said is connected the type of the E1 cable that the pin group links to each other.
7. E1 type of cable testing circuit plate according to claim 6 is characterized in that, also comprises:
Configuration circuit is used for linking to each other with the E1 veneer, according to the type of cable of said E1 cable the E1 veneer is configured to the mode of operation with the type of cable coupling of said E1 cable.
8. E1 type of cable testing circuit plate according to claim 6 is characterized in that:
Said detection pin group comprises that first detects the pin and the second detection pin, and said first detects pin and said second detects the pin short circuit;
Correspondingly; Said testing circuit also is used for the said first detection pin of said E1 cable connector and the said second detection pin are detected; Generate first detection signal; Recognize said first according to said first detection signal and detect pin and the said second detection pin short circuit, detect the type of cable that pin and said second detects the definite E1 cable that is connected with said E1 cable connector of pin short circuit state according to said first.
9. E1 type of cable testing circuit plate according to claim 6 is characterized in that: said detection pin group comprises that the 3rd detects pin and the 4th detection pin, and said the 3rd detection pin and the said the 4th detects between the pin and is connected with first resistance;
Correspondingly; Said testing circuit also is used for said the 3rd detection pin of said E1 cable connector and said the 4th detection pin are detected; Generate second detection signal; According to said second detection signal first look-up table is searched, the type of cable that said second detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
10. E1 type of cable testing circuit plate according to claim 6 is characterized in that: said detection pin group comprises that the 5th detects pin, and the said the 5th detects pin is connected with first ground contacts;
Correspondingly; Said testing circuit is used for that also the said the 5th of said E1 cable connector is detected pin and detects; Generate the 3rd detection signal; Recognize the said the 5th according to said the 3rd detection signal and detect pin and is connected, according to the type of cable of the definite E1 cable that is connected with said E1 cable connector of ground state of said the 5th detection pin with said first ground contacts.
11. E1 type of cable testing circuit plate according to claim 6 is characterized in that: said detection pin group comprises that the 6th detects pin, and the said the 6th detects pin is connected with second ground contacts through second resistance;
Correspondingly; Said testing circuit is used for that also the said the 6th of said E1 cable connector is detected pin and detects; Generate the 4th detection signal; According to said the 4th detection signal identification second look-up table is searched, the type of cable that said the 4th detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
12. E1 type of cable testing circuit plate according to claim 6 is characterized in that: said detection pin group comprises at least one the 7th detection pin, and said at least one the 7th detection pin is unsettled;
Correspondingly; Said testing circuit also is used for said at least one the 7th detection pin to said E1 cable connector; Generate the 5th detection signal; According to said the 5th detection signal recognize said at least one the 7th detect pin when unsettled, according to said at least one the 7th detect pin the type of cable of the vacant state E1 cable confirming to be connected with said E1 cable connector.
13. E1 type of cable testing circuit plate according to claim 6 is characterized in that:
Said testing circuit comprises control switch, the 3rd resistance and the 4th resistance;
The control end of said control switch links to each other with first end of said first detection pin and said the 3rd resistance respectively, and second end of said the 3rd resistance links to each other with first power supply;
First end of said control switch links to each other with first end of said the 4th resistance, and second end of said the 4th resistance links to each other with said first power supply;
Second end of said control switch links to each other with the 3rd ground contacts with the said second detection pin respectively.
14. E1 type of cable testing circuit plate according to claim 13 is characterized in that:
Said testing circuit also comprises the 5th resistance, the 6th resistance, the 7th resistance and electric capacity;
First end of said the 5th resistance links to each other with the control end of said control switch, and second end of said the 5th resistance links to each other with first end of said the 3rd resistance and first end of said electric capacity respectively;
First end of said the 6th resistance links to each other with first end of said the 3rd resistance, and second end of said the 6th resistance and said first detects pin and links to each other;
Second end of said electric capacity links to each other with said the 3rd ground contacts;
First end of said the 7th resistance links to each other with first end of said control switch.
15. E1 type of cable testing circuit plate according to claim 6 is characterized in that:
Said testing circuit comprises relay, the 8th resistance and the 9th resistance;
First control end of said relay and said first detects pin and links to each other; Second control end of said relay links to each other with second source through said the 8th resistance; First output of said relay detects pin with the 4th ground contacts and said second respectively and links to each other, and second output of said relay links to each other with said second source through said the 9th resistance.
16. E1 type of cable testing circuit plate according to claim 6 is characterized in that, also comprises:
Protective circuit is connected between said testing circuit and the said detection pin group.
17. an E1 type of cable detection method is characterized in that, comprising:
Detection pin group to the E1 cable connector detects; Wherein, Said E1 cable connector comprises connection pin group and said detection pin group, and said connection pin group is used for linking to each other with the E1 cable, and said detection pin group is used to indicate the type of cable of said E1 cable;
After detecting the type of cable of said E1 cable of said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other.
18. E1 type of cable detection method according to claim 17 is characterized in that, after said identification and the said type that is connected the E1 cable that the pin group links to each other, also comprises:
According to the type of cable of said E1 cable the E1 veneer is configured to the mode of operation with the type of cable coupling of said E1 cable.
19. E1 type of cable detection method according to claim 17 is characterized in that: said detection pin group comprises that first detects the pin and the second detection pin, and said first detects pin and said second detects the pin short circuit;
Correspondingly, said detection pin group to the E1 cable connector detects, and comprising:
Said first detection pin and the said second detection pin to said E1 cable connector detect, and generate first detection signal;
After the type of cable of the said said E1 cable that detects said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other, and comprising:
Recognize said first according to said first detection signal and detect pin and the said second detection pin short circuit, detect the type of cable that pin and said second detects the definite E1 cable that is connected with said E1 cable connector of pin short circuit state according to said first.
20. E1 type of cable detection method according to claim 17 is characterized in that: said detection pin group comprises that the 3rd detects pin and the 4th detection pin, and said the 3rd detection pin and the said the 4th detects between the pin and is connected with first resistance;
Correspondingly, said detection pin group to the E1 cable connector detects, and comprising:
Said the 3rd detection pin and said the 4th detection pin to said E1 cable connector detect, and generate second detection signal;
After the type of cable of the said said E1 cable that detects said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other, and comprising:
According to said second detection signal first look-up table is searched, the type of cable that said second detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
21. E1 type of cable detection method according to claim 17 is characterized in that: said detection pin group comprises that the 5th detects pin, and the said the 5th detects pin is connected with first ground contacts;
Correspondingly, said detection pin group to the E1 cable connector detects, and comprising:
The said the 5th of said E1 cable connector is detected pin detect, generate the 3rd detection signal;
After the type of cable of the said said E1 cable that detects said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other, and comprising:
Recognize the said the 5th according to said the 3rd detection signal and detect pin and is connected, according to the type of cable of the definite E1 cable that is connected with said E1 cable connector of ground state of said the 5th detection pin with said first ground contacts.
22. E1 type of cable detection method according to claim 17 is characterized in that: said detection pin group comprises that the 6th detects pin, and the said the 6th detects pin is connected with second ground contacts through second resistance;
Correspondingly, said detection pin group to the E1 cable connector detects, and comprising:
The said the 6th of said E1 cable connector is detected pin detect, generate the 4th detection signal;
After the type of cable of the said said E1 cable that detects said detection pin group-indicate, identification and said is connected the type of the E1 cable that the pin group links to each other, and comprising:
According to said the 4th detection signal identification second look-up table is searched, the type of cable that said the 4th detection signal is corresponding is confirmed as the type of cable of the E1 cable that is connected with said E1 cable connector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102154819A CN102751602A (en) | 2012-06-27 | 2012-06-27 | E1 cable connector, cable type detection circuit board and method |
| PCT/CN2013/078424 WO2014000695A1 (en) | 2012-06-27 | 2013-06-28 | E1 cable connector, cable type detection circuit board and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102154819A CN102751602A (en) | 2012-06-27 | 2012-06-27 | E1 cable connector, cable type detection circuit board and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102751602A true CN102751602A (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102154819A Pending CN102751602A (en) | 2012-06-27 | 2012-06-27 | E1 cable connector, cable type detection circuit board and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102751602A (en) |
| WO (1) | WO2014000695A1 (en) |
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| WO2014000695A1 (en) * | 2012-06-27 | 2014-01-03 | 华为技术有限公司 | E1 cable connector, cable type detection circuit board and method |
| CN103823146A (en) * | 2014-03-19 | 2014-05-28 | 国家电网公司 | E1 cable joint diagnosis device |
| CN104469347A (en) * | 2014-12-08 | 2015-03-25 | 硅谷数模半导体（北京）有限公司 | Detection circuit of video transmission cable and video output chip |
| CN104518819A (en) * | 2013-09-30 | 2015-04-15 | 华为技术有限公司 | Twisted pair category identification method and twisted pair category identification equipment |
| CN107861007A (en) * | 2017-12-19 | 2018-03-30 | 北京品驰医疗设备有限公司 | A kind of method, apparatus and system for identifying different test cables |
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| DE102015103454A1 (en) * | 2015-03-10 | 2016-09-15 | Albrecht Jung Gmbh & Co. Kg | An installation device for a building services electrical installation system and method for detecting a secondary module connected to a primary module of such an installation |
| CN105591758A (en) * | 2016-01-28 | 2016-05-18 | 重庆金美通信有限责任公司 | Relay control E1 interface impedance characteristic circuit |
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Also Published As
| Publication number | Publication date |
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| WO2014000695A1 (en) | 2014-01-03 |
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