CN203951485U - Universal port and cable tester - Google Patents
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- CN203951485U CN203951485U CN201420237184.9U CN201420237184U CN203951485U CN 203951485 U CN203951485 U CN 203951485U CN 201420237184 U CN201420237184 U CN 201420237184U CN 203951485 U CN203951485 U CN 203951485U
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Abstract
The utility model relates to communication test Instrument technology field, is a kind of universal port and cable tester, comprises main tester and subtest device; The outside of main tester is fixed with main RJ45/RJ11 slot, main RJ11 slot, main BNC connector and RJ11 function diverter switch, is provided with call test module, high frequency four line earphone test modules, main twisted-pair feeder test module and power module in main tester.The utility model reasonable and compact in structure; easy to use; it can be widely used in 2M, audio frequency, the four line cap signal testings of the multiplexing or international standard that expands such as any communication equipment, the network equipment, protocol converter, protection multiple devices; and the twisted-pair feeder of equipment and the on off test of coaxial cable such as network, sound, video; whether receive opposite equip. signal by connecting test; to distinguish the Transmitting and Receiving End of 2M, four line caps; the state of audio port, and the break-make situation of twisted-pair feeder, coaxial cable.
Description
Technical field
the utility model relates to communication test Instrument technology field, is a kind of universal port and cable tester.
Background technology
room management personnel are in the time processing the work such as 2M, four lines, audio port reiving/transmitting state and twisted-pair feeder, coaxial cable break-make at present, all need to use special testing tool, its function singleness, cannot meet the detection of various ports and cable, make attendant need to carry multiple types of tools, carry inconvenience, and need change at any time instrument in the time of test, waste time and energy, testing efficiency is low.And mostly also there is following problem in conventional multiple testing tool: unclear due to 2M in early stage equipment, circuit installation process, four lines, voice-grade channel mark, and cause room management personnel to have no way of doing it in the time finding passage, cause misconnection, passage cannot be got through; The 2M BER tester that is widely used on the market test is expensive, affect buying in a large number and applying of enterprise, cause device resource anxiety, and its operation is relatively loaded down with trivial details, and volume is larger, is unfavorable for carrying, in the time that the place that there is no AC power is used, its battery flying power is short slab, can only depot repair and expensive in the time that equipment breaks down, affect greatly attendant's operating efficiency; And the equipment that is applied at present four lines, voice-grade channel test also exists the problem that is similar to 2M testing equipment, though testing telephone test is simply efficient, function is too simple, cannot be competent at more test assignments; The cable tester of extensive use at present only possesses the basic test function of twisted-pair feeder, coaxial cable, and function is relatively single, does not possess Port detecting and testing telephone function, cannot reach a tractor serves several purposes object.
Summary of the invention
the utility model provides a kind of universal port and cable tester, overcome the deficiency of above-mentioned prior art, it can effectively solve existing special testing tool function singleness, cannot meet the detection of various ports and cable, make attendant need to carry multiple types of tools, carry inconvenience, and need change at any time instrument in the time of test, waste time and energy, the problem that testing efficiency is low.
the technical solution of the utility model realizes by following measures: a kind of universal port and cable tester, comprise main tester and subtest device; The outside of main tester is fixed with main RJ45/RJ11 slot, main RJ11 slot, main BNC connector and RJ11 function diverter switch, is provided with call test module, high frequency four line earphone test modules, main twisted-pair feeder test module and power module in main tester; Main RJ45/RJ11 slot and main twisted-pair feeder test module are electrically connected, main twisted-pair feeder test module comprises two twisted-pair feeder feeder ears, two wiring pins of main BNC connector are electrically connected with two twisted-pair feeder feeder ears respectively and have formed two power supply nodes, between one of them wiring pin of main BNC connector and corresponding power supply node, be in series with main protection resistance, two power supply nodes are connected on respectively positive terminal and the negative pole end of power module; RJ11 function diverter switch comprises two inputs and two pairs of outputs, and two wiring pins of main RJ11 slot are electrically connected with two inputs respectively, and call test module and high frequency four line earphone test modules are electrically connected with two pairs of outputs respectively; High frequency four line earphone test modules comprise the ear speaker device of energy sounding, on the main tester of corresponding ear speaker device position, are distributed with penetrable sound hole; The outside of subtest device is fixed with auxiliary RJ45/RJ11 slot and auxiliary BNC connector, is provided with coaxial line and 2M line test conversion circuit and auxiliary twisted-pair feeder test module in subtest device; Auxiliary RJ45/RJ11 slot and auxiliary twisted-pair feeder test module are electrically connected, coaxial line and 2M line test conversion circuit comprise the 2M line function diverter switch of stirring position and be positioned at subtest device outside, auxiliary BNC connector and coaxial line and the 2M line test conversion circuit that can realize respectively by switching 2M line function diverter switch coaxial line and the test of 2M line.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
above-mentioned call test module can comprise keyboard circuit, head circuit, display screen circuit, microphone circuit and testing telephone main circuit, keyboard circuit, head circuit, display screen circuit and microphone circuit are all connected on testing telephone main circuit, testing telephone main circuit and pair of output are electrically connected, keyboard circuit comprises that button is positioned at the numeric keypad in main tester outside, display screen circuit comprises that display window is positioned at the display screen in main tester outside, head circuit comprises the ear speaker device of energy sounding, microphone circuit comprises the microphone equipment of energy acoustic, on the main tester of corresponding ear speaker device and microphone equipment position, be distributed with penetrable sound hole.
the above-mentioned one end that can be provided with in main RJ11 slot can be accessed the sound of main RJ11 slot and joins latch, and sound is joined and on latch, is electrically connected with wire clamp.
above-mentioned main twisted-pair feeder test module can comprise test chip module and eight groups of main diode groups, every group of main diode group includes a primary LED and a non-light-emitting diode of master, the negative pole end of the positive terminal of primary LED and main non-light-emitting diode is electrically connected and forms the first major node, the positive terminal of the negative pole end of primary LED and main non-light-emitting diode is electrically connected and forms the second major node, eight the first major nodes are all electrically connected by wire and test chip module, eight binding posts of main RJ45/RJ11 slot are electrically connected with eight the second major nodes respectively, auxiliary twisted-pair feeder test module includes eight groups of auxiliary diode groups, every group of auxiliary diode group includes an auxiliary light-emitting diode and an auxiliary non-light-emitting diode, the positive terminal of auxiliary light-emitting diode and the negative pole end of auxiliary non-light-emitting diode are electrically connected and form the first auxiliary node, the negative pole end of auxiliary light-emitting diode and the positive terminal of auxiliary non-light-emitting diode are electrically connected and form the second auxiliary node, eight binding posts of auxiliary RJ45/RJ11 slot are electrically connected with eight the first auxiliary nodes respectively, and eight the second auxiliary nodes are all electrically connected by wire, on the main tester of corresponding primary LED position and on the subtest device of corresponding auxiliary light-emitting diode position, be distributed with can printing opacity window.
above-mentioned coaxial line and 2M line test conversion circuit also can comprise test light-emitting diode and auxiliary protective resistance, 2M line function diverter switch comprises main electrical scheme end and two switching terminals, two terminals of auxiliary bnc interface are electrically connected by wire with a positive terminal that switches terminals and test light-emitting diode respectively, negative pole end and the main electrical scheme end of test light-emitting diode are electrically connected, and between two switching terminals, are in series with auxiliary protective resistance; On the subtest device of corresponding test light-emitting diode position, be distributed with the window of energy printing opacity.
above-mentioned power module can be 9V laminated cell, and 9V laminated cell is positioned at main tester inner side, on the main tester of corresponding 9V laminated cell position, has battery altering window, and the cell rear cover that can load and unload is installed on battery altering window.
between the outside of the outside of above-mentioned main tester and subtest device, can be installed with the combined sliding rail that can take apart and can merge.
the utility model reasonable and compact in structure, easy to use, it is by being connected multiple line cable test module, can meet the test of multiple different port, structure is small and exquisite and application is strong, low the making it easy to of cost promoted, it can be widely used in any communication equipment, the network equipment, protocol converter, the 2M of the multiplexing or international standard that expands of protection multiple devices etc., audio frequency, four line cap signal testings, and network, sound, the twisted-pair feeder of the equipment such as video and the on off test of coaxial cable, whether receive opposite equip. signal by connecting test, to distinguish 2M, the receipts of four line caps, make a start, the state of audio port, and twisted-pair feeder, the break-make situation of coaxial cable.
Brief description of the drawings
accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
accompanying drawing 2 is the circuit diagram of accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is main tester, 2 is subtest device, 3 is main RJ45/RJ11 slot, 4 is main RJ11 slot, 5 is main BNC connector, 6 is RJ11 function diverter switch, 7 is high frequency four line earphone test modules, 8 is power supply node, 9 is main protection resistance, 10 is auxiliary RJ45/RJ11 slot, 11 is auxiliary BNC connector, 12 is 2M line function diverter switch, 13 is keyboard circuit, 14 is head circuit, 15 is display screen circuit, 16 is microphone circuit, 17 is testing telephone main circuit, 18 is numeric keypad, 19 is display screen, 20 join latch for sound, 21 is wire clamp, 22 is 9V laminated cell, 23 is test chip module, 24 is primary LED, 25 is main non-light-emitting diode, 26 is the first major node, 27 is combined sliding rail, 28 is the second major node, 29 is auxiliary light-emitting diode, 30 is auxiliary non-light-emitting diode, 31 is the first auxiliary node, 32 is the second auxiliary node, 33 is test light-emitting diode, 34 is auxiliary protective resistance, 35 is main electrical scheme end, 36 for switching terminals.
Embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete execution mode according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, this universal port and cable tester comprise main tester 1 and subtest device 2; The outside of main tester 1 is fixed with main RJ45/RJ11 slot 3, main RJ11 slot 4, main BNC connector 5 and RJ11 function diverter switch 6, is provided with call test module, high frequency four line earphone test modules 7, main twisted-pair feeder test module and power module in main tester 1; Main RJ45/RJ11 slot 3 is electrically connected with main twisted-pair feeder test module, main twisted-pair feeder test module comprises two twisted-pair feeder feeder ears, two wiring pins of main BNC connector 5 are electrically connected with two twisted-pair feeder feeder ears respectively and have formed two power supply nodes 8, between one of them wiring pin of main BNC connector 5 and corresponding power supply node 8, be in series with positive terminal and negative pole end that 9, two power supply nodes 8 of main protection resistance are connected on respectively power module; RJ11 function diverter switch 6 comprises two inputs and two pairs of outputs, two wiring pins of main RJ11 slot 4 are electrically connected with two inputs respectively, and call test module and high frequency four line earphone test modules 7 are electrically connected with two pairs of outputs respectively; High frequency four line earphone test modules 7 comprise the ear speaker device of energy sounding, on the main tester 1 of corresponding ear speaker device position, are distributed with penetrable sound hole; The outside of subtest device 2 is fixed with auxiliary RJ45/RJ11 slot 10 and auxiliary BNC connector 11, is provided with coaxial line and 2M line test conversion circuit and auxiliary twisted-pair feeder test module in subtest device 2; Auxiliary RJ45/RJ11 slot 10 is electrically connected with auxiliary twisted-pair feeder test module, coaxial line and 2M line test conversion circuit comprise the 2M line function diverter switch 12 of stirring position and be positioned at subtest device 2 outsides, auxiliary BNC connector 11 and coaxial line and the 2M line test conversion circuit that can realize respectively by switching 2M line function diverter switch 12 coaxial line and the test of 2M line.According to demand, RJ11 function diverter switch 6 can be two grades spacing, it will remain that two inputs and pair of output are conducting state, when stirring RJ11 function diverter switch 6 while switching its gear, it will make two inputs and another pair of output conducting; It is spacing that RJ11 function diverter switch 6 also can be third gear, on two grades of spacing bases, increases a neutral spacing, in the time that it is positioned at neutral, and two inputs and all not conductings of any pair of output; High frequency four line earphone test modules 7 and power module can adopt existing known technology.In use, the two ends of twisted-pair feeder or tone frequency channel wire can be inserted respectively to main RJ45/RJ11 slot 3 and auxiliary RJ45/RJ11 slot 10, judge the break-make situation of this twisted-pair feeder or tone frequency channel wire by main twisted-pair feeder test module and auxiliary twisted-pair feeder test module; Audio port can be accessed to main RJ11 slot 4, and stir RJ11 function diverter switch 6 and make two inputs and call test module be conducting state, can test thus this audio port whether have signal and this signal whether abnormal; Whether simulation four line caps can be accessed to main RJ11 slot 4, and stir RJ11 function diverter switch 6 and make two inputs and high frequency four line earphone test modules 7 be conducting state, can test thus these simulation four line caps has signal; The two ends of coaxial line can be accessed respectively to main BNC connector 5 and auxiliary BNC connector 11, and be stirred 2M line function diverter switch 12 and make coaxial line and 2M line test conversion circuit in testing the state of coaxial line, now can judge the break-make of this coaxial line; Also can be by auxiliary 2M line cap access BNC connector 11, and stir 2M line function diverter switch 12 and make coaxial line and 2M line test conversion circuit in testing the state of 2M line, whether now can test this 2M line has signal.
can according to actual needs, above-mentioned universal port and cable tester be made further optimization and/or improvements:
as accompanying drawing 1, shown in 2, call test module comprises keyboard circuit 13, head circuit 14, display screen circuit 15, microphone circuit 16 and testing telephone main circuit 17, keyboard circuit 13, head circuit 14, display screen circuit 15 and microphone circuit 16 are all connected on testing telephone main circuit 17, testing telephone main circuit 17 and pair of output are electrically connected, keyboard circuit 13 comprises that button is positioned at the numeric keypad 18 in main tester 1 outside, display screen circuit 15 comprises that display window is positioned at the display screen 19 in main tester 1 outside, head circuit 14 comprises the ear speaker device of energy sounding, microphone circuit 16 comprises the microphone equipment of energy acoustic, on the main tester 1 of corresponding ear speaker device and microphone equipment position, be distributed with penetrable sound hole.According to demand, high frequency four line earphone test modules 7 are electrically connected with another pair of output.Can make thus the utility model possess the function that phone is tested, can possess the function such as audio signal and code service of test port, cable.According to demand, keyboard circuit 13, head circuit 14, display screen circuit 15, microphone circuit 16 and testing telephone main circuit 17 all can adopt existing known technology.
as shown in accompanying drawing 1,2, one end is installed in main RJ11 slot 4 and can accesses the sound of main RJ11 slot 4 and join latch 20, sound is joined and on latch 20, is electrically connected with wire clamp 21.Sound joins that latch 20 can be used for being connected tested audio frequency cable joint with wire clamp 21 or sound is joined port, when use, can use according to demand sound to join latch 20 or wire clamp 21, or it is extracted in main RJ11 slot 4, directly use main RJ11 slot 4, can be applicable to thus the connection of multiple joint, thereby improve its testing efficiency.
as accompanying drawing 1, shown in 2, main twisted-pair feeder test module comprises test chip module 23 and eight groups of main diode groups, every group of main diode group includes a primary LED 24 and a non-light-emitting diode 25 of master, the negative pole end of the positive terminal of primary LED 24 and main non-light-emitting diode 25 is electrically connected and forms the first major node 26, the positive terminal of the negative pole end of primary LED 24 and main non-light-emitting diode 25 is electrically connected and forms the second major node 28, eight the first major nodes 26 are all electrically connected by wire and test chip module 23, eight binding posts of main RJ45/RJ11 slot 3 are electrically connected with eight the second major nodes 28 respectively, auxiliary twisted-pair feeder test module includes eight groups of auxiliary diode groups, every group of auxiliary diode group includes an auxiliary light-emitting diode 29 and an auxiliary non-light-emitting diode 30, the negative pole end of the positive terminal of auxiliary light-emitting diode 29 and auxiliary non-light-emitting diode 30 is electrically connected and forms the first auxiliary node 31, the positive terminal of the negative pole end of auxiliary light-emitting diode 29 and auxiliary non-light-emitting diode 30 is electrically connected and forms the second auxiliary node 32, eight binding posts of auxiliary RJ45/RJ11 slot 10 are electrically connected with eight the first auxiliary nodes 31 respectively, eight the second auxiliary nodes 32 are all electrically connected by wire, on the main tester 1 of corresponding primary LED 24 positions and on the subtest device 2 of corresponding auxiliary light-emitting diode 29 positions, be distributed with can printing opacity window.According to demand, test chip module 23 can adopt existing known technology, it can be made up of NE555 and two chips of CD4017, NE555 chip is to CD4017 provider's wave impulse, pulse triggers the each Y port of CD4017 (Y0-Y9) signal and only has a high level to occur while being high voltage, all the other are low level, can realize the phenomenon that eight road signals are exported one by one, simultaneously 8 contact pins of two RJ45/RJ11 ports respectively with master, 8 binding posts of auxiliary function module circuit are connected respectively, by by tested multiple twin, tone frequency channel wire is connected in master, two RJ45/RJ11 ports of auxiliary module, realize the measurement of cable, test results lamp shows.
as shown in accompanying drawing 1,2, coaxial line and 2M line test conversion circuit also comprise test light-emitting diode 33 and auxiliary protective resistance 34,2M line function diverter switch 12 comprises main electrical scheme end 35 and two switching terminals 36, two terminals of auxiliary bnc interface are electrically connected by wire with a positive terminal that switches terminals 36 and test light-emitting diode 33 respectively, negative pole end and the main electrical scheme end 35 of test light-emitting diode 33 are electrically connected, and between two switching terminals 36, are in series with auxiliary protective resistance 34; On the subtest device 2 of corresponding test light-emitting diode 33 positions, be distributed with the window of energy printing opacity.When use, can make main electrical scheme end 35 and two one of them connections of switching in terminals 36 by switching 2M line function diverter switch 12, even auxiliary protective resistance 34 short circuits in this coaxial line and 2M line test conversion circuit or by its access, in the time that needs are surveyed 2M line, need this auxiliary protective resistance 34 to access, to prevent that LED from causing punch through damage because electric current is excessive, can judge whether 2M port has signal by the light on and off of LED thus; When by auxiliary protective resistance 34 short circuit, can make its port test coaxial line.
as shown in accompanying drawing 1,2, power module is 9V laminated cell 22, and 9V laminated cell 22 is positioned at main tester 1 inner side, on the main tester 1 of corresponding 9V laminated cell 22 positions, has battery altering window, and the cell rear cover that can load and unload is installed on battery altering window.Laminated cell is that common chemical dry cell is made into rectangular fritter, and multiple stack is cascaded, and becomes an independently battery, and it is high that it has the little output voltage of volume, and change feature easily.
as shown in accompanying drawing 1,2, between the outside of main tester 1 and the outside of subtest device 2, be installed with the combined sliding rail 27 that can take apart and can merge.Can make like this its use convenient, and be difficult for losing, be convenient to place; In the time that the two ends of tested cable lay respectively at diverse location, main tester 1 and subtest device 2 can be split into two by combined sliding rail 27 and detect.
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. universal port and a cable tester, is characterized in that comprising main tester and subtest device; The outside of main tester is fixed with main RJ45/RJ11 slot, main RJ11 slot, main BNC connector and RJ11 function diverter switch, is provided with call test module, high frequency four line earphone test modules, main twisted-pair feeder test module and power module in main tester; Main RJ45/RJ11 slot and main twisted-pair feeder test module are electrically connected, main twisted-pair feeder test module comprises two twisted-pair feeder feeder ears, two wiring pins of main BNC connector are electrically connected with two twisted-pair feeder feeder ears respectively and have formed two power supply nodes, between one of them wiring pin of main BNC connector and corresponding power supply node, be in series with main protection resistance, two power supply nodes are connected on respectively positive terminal and the negative pole end of power module; RJ11 function diverter switch comprises two inputs and two pairs of outputs, and two wiring pins of main RJ11 slot are electrically connected with two inputs respectively, and call test module and high frequency four line earphone test modules are electrically connected with two pairs of outputs respectively; High frequency four line earphone test modules comprise the ear speaker device of energy sounding, on the main tester of corresponding ear speaker device position, are distributed with penetrable sound hole; The outside of subtest device is fixed with auxiliary RJ45/RJ11 slot and auxiliary BNC connector, is provided with coaxial line and 2M line test conversion circuit and auxiliary twisted-pair feeder test module in subtest device; Auxiliary RJ45/RJ11 slot and auxiliary twisted-pair feeder test module are electrically connected, coaxial line and 2M line test conversion circuit comprise the 2M line function diverter switch of stirring position and be positioned at subtest device outside, auxiliary BNC connector and coaxial line and the 2M line test conversion circuit that can realize respectively by switching 2M line function diverter switch coaxial line and the test of 2M line.
2. universal port according to claim 1 and cable tester, it is characterized in that call test module comprises keyboard circuit, head circuit, display screen circuit, microphone circuit and testing telephone main circuit, keyboard circuit, head circuit, display screen circuit and microphone circuit are all connected on testing telephone main circuit, testing telephone main circuit and pair of output are electrically connected, keyboard circuit comprises that button is positioned at the numeric keypad in main tester outside, display screen circuit comprises that display window is positioned at the display screen in main tester outside, head circuit comprises the ear speaker device of energy sounding, microphone circuit comprises the microphone equipment of energy acoustic, on the main tester of corresponding ear speaker device and microphone equipment position, be distributed with penetrable sound hole.
3. universal port according to claim 1 and 2 and cable tester, is characterized in that being provided with one end in main RJ11 slot and can access the sound of main RJ11 slot and join latch, and sound is joined and on latch, is electrically connected with wire clamp.
4. universal port according to claim 1 and 2 and cable tester, it is characterized in that main twisted-pair feeder test module comprises test chip module and eight groups of main diode groups, every group of main diode group includes a primary LED and a non-light-emitting diode of master, the negative pole end of the positive terminal of primary LED and main non-light-emitting diode is electrically connected and forms the first major node, the positive terminal of the negative pole end of primary LED and main non-light-emitting diode is electrically connected and forms the second major node, eight the first major nodes are all electrically connected by wire and test chip module, eight binding posts of main RJ45/RJ11 slot are electrically connected with eight the second major nodes respectively, auxiliary twisted-pair feeder test module includes eight groups of auxiliary diode groups, every group of auxiliary diode group includes an auxiliary light-emitting diode and an auxiliary non-light-emitting diode, the positive terminal of auxiliary light-emitting diode and the negative pole end of auxiliary non-light-emitting diode are electrically connected and form the first auxiliary node, the negative pole end of auxiliary light-emitting diode and the positive terminal of auxiliary non-light-emitting diode are electrically connected and form the second auxiliary node, eight binding posts of auxiliary RJ45/RJ11 slot are electrically connected with eight the first auxiliary nodes respectively, and eight the second auxiliary nodes are all electrically connected by wire, on the main tester of corresponding primary LED position and on the subtest device of corresponding auxiliary light-emitting diode position, be distributed with can printing opacity window.
5. universal port according to claim 3 and cable tester, it is characterized in that main twisted-pair feeder test module comprises test chip module and eight groups of main diode groups, every group of main diode group includes a primary LED and a non-light-emitting diode of master, the negative pole end of the positive terminal of primary LED and main non-light-emitting diode is electrically connected and forms the first major node, the positive terminal of the negative pole end of primary LED and main non-light-emitting diode is electrically connected and forms the second major node, eight the first major nodes are all electrically connected by wire and test chip module, eight binding posts of main RJ45/RJ11 slot are electrically connected with eight the second major nodes respectively, auxiliary twisted-pair feeder test module includes eight groups of auxiliary diode groups, every group of auxiliary diode group includes an auxiliary light-emitting diode and an auxiliary non-light-emitting diode, the positive terminal of auxiliary light-emitting diode and the negative pole end of auxiliary non-light-emitting diode are electrically connected and form the first auxiliary node, the negative pole end of auxiliary light-emitting diode and the positive terminal of auxiliary non-light-emitting diode are electrically connected and form the second auxiliary node, eight binding posts of auxiliary RJ45/RJ11 slot are electrically connected with eight the first auxiliary nodes respectively, and eight the second auxiliary nodes are all electrically connected by wire, on the main tester of corresponding primary LED position and on the subtest device of corresponding auxiliary light-emitting diode position, be distributed with can printing opacity window.
6. universal port according to claim 1 and 2 and cable tester, it is characterized in that coaxial line and 2M line test conversion circuit also comprise test light-emitting diode and auxiliary protective resistance, 2M line function diverter switch comprises main electrical scheme end and two switching terminals, two terminals of auxiliary bnc interface are electrically connected by wire with a positive terminal that switches terminals and test light-emitting diode respectively, negative pole end and the main electrical scheme end of test light-emitting diode are electrically connected, and between two switching terminals, are in series with auxiliary protective resistance; On the subtest device of corresponding test light-emitting diode position, be distributed with the window of energy printing opacity.
7. universal port according to claim 3 and cable tester, it is characterized in that coaxial line and 2M line test conversion circuit also comprise test light-emitting diode and auxiliary protective resistance, 2M line function diverter switch comprises main electrical scheme end and two switching terminals, two terminals of auxiliary bnc interface are electrically connected by wire with a positive terminal that switches terminals and test light-emitting diode respectively, negative pole end and the main electrical scheme end of test light-emitting diode are electrically connected, and between two switching terminals, are in series with auxiliary protective resistance; On the subtest device of corresponding test light-emitting diode position, be distributed with the window of energy printing opacity.
8. universal port according to claim 5 and cable tester, it is characterized in that coaxial line and 2M line test conversion circuit also comprise test light-emitting diode and auxiliary protective resistance, 2M line function diverter switch comprises main electrical scheme end and two switching terminals, two terminals of auxiliary bnc interface are electrically connected by wire with a positive terminal that switches terminals and test light-emitting diode respectively, negative pole end and the main electrical scheme end of test light-emitting diode are electrically connected, and between two switching terminals, are in series with auxiliary protective resistance; On the subtest device of corresponding test light-emitting diode position, be distributed with the window of energy printing opacity.
9. universal port according to claim 1 and 2 and cable tester, it is characterized in that power module is 9V laminated cell, 9V laminated cell is positioned at main tester inner side, on the main tester of corresponding 9V laminated cell position, there is battery altering window, the cell rear cover that can load and unload is installed on battery altering window; Or/and, between the outside of main tester and the outside of subtest device, be installed with the combined sliding rail that can take apart and can merge.
10. universal port according to claim 3 and cable tester, it is characterized in that power module is 9V laminated cell, 9V laminated cell is positioned at main tester inner side, on the main tester of corresponding 9V laminated cell position, there is battery altering window, the cell rear cover that can load and unload is installed on battery altering window; Or/and, between the outside of main tester and the outside of subtest device, be installed with the combined sliding rail that can take apart and can merge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237184.9U CN203951485U (en) | 2014-05-09 | 2014-05-09 | Universal port and cable tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237184.9U CN203951485U (en) | 2014-05-09 | 2014-05-09 | Universal port and cable tester |
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| CN203951485U true CN203951485U (en) | 2014-11-19 |
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| CN201420237184.9U Expired - Lifetime CN203951485U (en) | 2014-05-09 | 2014-05-09 | Universal port and cable tester |
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| CN110429956A (en) * | 2019-07-31 | 2019-11-08 | 国网天津市电力公司 | Portable multi-interface video cables test box |
| CN110568240A (en) * | 2018-06-05 | 2019-12-13 | 上海欧科微航天科技有限公司 | Multifunctional test equipment |
| CN111398861A (en) * | 2020-03-24 | 2020-07-10 | 广西电网有限责任公司梧州供电局 | 2M cable fault detection circuit |
-
2014
- 2014-05-09 CN CN201420237184.9U patent/CN203951485U/en not_active Expired - Lifetime
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| CN109541373B (en) * | 2018-11-27 | 2023-12-12 | 上海电子信息职业技术学院 | Quick twisted-pair cable on-off tester |
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| CN110429956A (en) * | 2019-07-31 | 2019-11-08 | 国网天津市电力公司 | Portable multi-interface video cables test box |
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| CN111398861A (en) * | 2020-03-24 | 2020-07-10 | 广西电网有限责任公司梧州供电局 | 2M cable fault detection circuit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |