A one-stop cable testing system

Abstract

This utility model relates to the field of cable testing technology, and in particular to a one-stop cable testing system, including multiple testing devices and multiple high-frequency coaxial switches. The multiple testing devices are electrically connected to the multiple high-frequency coaxial switches via cables. The multiple high-frequency coaxial switches include multiple primary switches, multiple secondary switches, and multiple tertiary switches. This utility model connects multiple testing devices to the throw terminals of the primary switches, utilizing the switching function of the primary switches to flexibly adapt to various testing items, solving the problems of traditional multi-station systems with many personnel and low equipment uptime. The common terminals of the primary and secondary switches are connected, the throw terminals of the secondary switches are connected to the common terminals of the tertiary switches, and the throw terminals of the tertiary switches are connected to the tested products. This hierarchical connection and switching design utilizes the rapid switching characteristics of high-frequency coaxial switches, allowing different products and testing contents to be completed at one station, eliminating the need for manual clamp and cable changes, avoiding clamp damage, saving calibration time, extending clamp life, reducing labor costs, and improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of cable testing technology, and in particular to a one-stop cable testing system. Background Technology

[0002] In the traditional field of DAC high-speed cable production and testing, there has always been a challenge in balancing efficiency and cost. Traditional testing methods distribute different test types and items across multiple workstations, each equipped with specialized equipment. This not only requires a large number of personnel operating at different workstations, leading to increased labor costs, but also results in low equipment uptime and wasted resources. Attempts to reduce the number of workstations necessitate frequent changes to fixtures and connecting cables when producing different types of products. Since high-speed products have extremely stringent requirements for connecting cable connections, repeated changes can easily damage test fixtures. Furthermore, each change requires a comprehensive system calibration, which is estimated to take about one hour, severely impacting production efficiency.

[0003] There is an urgent need for a testing system that can solve the problems of long product changeover time, easy fixture damage, and cumbersome system calibration in traditional testing methods. Therefore, it is necessary to improve it. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a one-stop cable testing system. This system connects multiple testing devices to the primary switch's throw terminal, leveraging the primary switch's switching function to flexibly adapt to diverse testing items. This solves the problems of traditional multi-station systems requiring numerous personnel and having low equipment uptime. The primary and secondary switches are connected to their common terminals, the secondary switch's throw terminal is connected to the tertiary switch's common terminal, and the tertiary switch's throw terminal is then connected to the tested product. This hierarchical connection and switching design utilizes the rapid switching characteristics of high-frequency coaxial switches, allowing different products and testing content to be completed at a single station. This eliminates the need for manual fixture and cable changes, avoids fixture damage, saves calibration time, extends fixture life, reduces labor costs, and improves production efficiency.

[0005] To achieve the above objectives, this utility model provides a one-stop cable testing system, comprising multiple testing devices and multiple high-frequency coaxial switches. Multiple test devices are electrically connected to multiple high-frequency coaxial switches via cables; The multiple high-frequency coaxial switches include multiple primary switches, multiple secondary switches, and multiple tertiary switches; Each of the aforementioned primary, secondary, and tertiary switches is provided with a common terminal and a throw terminal; Each of the aforementioned test devices is electrically connected to the throw terminal of each of the aforementioned primary switches; The common terminal of one of the primary switches is electrically connected to the common terminal of one of the secondary switches; The throwing terminal of each of the secondary switches is electrically connected to the common terminal of the plurality of tertiary switches; The throw terminals of the multiple three-stage switches are electrically connected to the test product.

[0006] Preferably, each of the aforementioned testing devices is provided with a first test port, a second test port, ..., an Nth test port; Each of the primary switches is provided with a first-level throwing port, a second-level throwing port, ..., an A-level throwing port; The first test port of each of the aforementioned test devices is electrically connected to the first-level throw port of each of the aforementioned first-level switches; The second test port of each of the aforementioned test devices is electrically connected to the second primary throw port of each of the aforementioned primary switches; ......; The Nth test port of each of the aforementioned test devices is electrically connected to the Ath primary throw port of each of the aforementioned primary switches.

[0007] Preferably, each of the secondary switches has a first secondary throwing port, a second secondary throwing port, ..., a Bth secondary throwing port at its throwing terminal; Each of the aforementioned three-level switches includes a first three-level switch, a second three-level switch, ..., a Cth three-level switch; The common terminal of each of the first and third level switches is electrically connected to the first and second level throw terminals of each of the second level switches. The common terminal of each of the second and third level switches is electrically connected to the second and second level throw terminals of each of the second level switches; ......; The common terminal of each of the C-level switches is electrically connected to the B-level throw terminal of each of the two-level switches.

[0008] Preferably, the throwing terminals of the first third-level switch, the second third-level switch, ..., the C third-level switch are all provided with a first third-level throwing port and a second third-level throwing port; The tested products include a type 1 product. The first and third level switches, the second and third level switches, ..., and the C level switch are all electrically connected to the first and second level throw ports of the product.

[0009] Preferably, the first-level switch, the second-level switch, ..., the C-level switch are divided into positive-type switches and negative-type switches. The test terminal of the first type of product is equipped with a positive contact and a negative contact; The positive type switch is electrically connected to the positive contact of the product, and the negative type switch is electrically connected to the negative contact of the product.

[0010] Preferably, each of the three-level switches is further provided with two four-level switches, each four-level switch having a common terminal and a throw terminal; The common terminals of the two four-level switches are electrically connected to the three-level switches via the first and second three-level throwing terminals, respectively, and the throwing terminals of the four-level switches are connected to the test product.

[0011] Preferably, each of the four-level switches has a first fourth-level throwing port, a second fourth-level throwing port, ..., a Dth fourth-level throwing port at its throwing terminal; The tested products include Type II, Type III, ..., and Type E products; The first fourth-level throwing port, the second fourth-level throwing port, ..., the D fourth-level throwing port are electrically connected to the test terminals of the Type II product, the Type III product, ..., and the Type E product, respectively.

[0012] Preferably, the first fourth-stage throwing port, the second fourth-stage throwing port, ..., the Dth fourth-stage throwing port are divided into positive-type switches and negative-type open-circuit switches; The test terminals of Type II, Type III, ..., and Type E products are equipped with positive and negative contacts; The positive-type switch is electrically connected to the positive contacts of the Type II, Type III, ..., and Type E products, respectively, while the negative-type switch is electrically connected to the negative contacts of the Type II, Type III, ..., and Type E products.

[0013] The beneficial effects of this utility model are as follows: By connecting multiple testing devices to the throw terminals of various primary switches, and utilizing the switching function between the common terminal and the throw terminal of the primary switches, it can flexibly adapt to the needs of diverse testing projects. This solves the problems of high personnel requirements and low equipment utilization caused by the dispersion of equipment and the segmentation of projects in traditional multi-station testing. One primary switch common terminal is connected to one secondary switch common terminal, and the secondary switch is then connected to multiple tertiary switch common terminals through its throw terminal. This hierarchical connection and switching design can accurately guide signal transmission to different paths. Combined with the connection between the tertiary switch throw terminal and the test product, and utilizing the rapid switching characteristics of high-frequency coaxial switches, different products and different test contents can be completed at one station without the need for frequent manual changes of fixtures and connecting wires. This avoids fixture damage caused by repeated changes and saves the approximately one-hour system calibration time after each change. At the same time, it extends the service life of fixtures, reduces labor maintenance costs, and effectively improves overall production efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] The reference numerals in the figures include: 1. Testing device; 2. High-frequency coaxial switch; 3. Primary switch; 4. Secondary switch; 5. Tertiary switch; 6. Quaternary switch. Detailed Implementation

[0016] The present invention will now be described in detail with reference to the accompanying drawings.

[0017] like Figure 1 As shown, this utility model discloses a one-stop cable testing system, which includes multiple testing devices 1 and multiple high-frequency coaxial switches 2. Multiple test devices 1 are electrically connected to multiple high-frequency coaxial switches 2 via cables; Multiple high-frequency coaxial switches 2 include multiple primary switches 3, multiple secondary switches 4, and multiple tertiary switches 5; Each primary switch 3, secondary switch 4, and tertiary switch 5 is equipped with a common terminal and a throw terminal; Multiple test devices 1 are electrically connected to the throw terminals of each primary switch 3; The common terminal of a primary switch 3 is electrically connected to the common terminal of a secondary switch 4; The throw terminals of each secondary switch 4 are electrically connected to the common terminal of multiple tertiary switches 5; The throw terminals of multiple three-stage switches 5 are electrically connected to the test product.

[0018] Multiple test devices 1 are electrically connected to the throw terminals of each primary switch 3. By utilizing the switching characteristics of the common terminal and the throw terminal of the primary switch 3, the corresponding test device 1 can be flexibly selected according to different test requirements, which can meet the diverse test project requirements.

[0019] The common terminal of a primary switch 3 is electrically connected to the common terminal of a secondary switch 4. This connection method forms a bridge between the test device 1 and subsequent switches, enabling smooth signal transmission and providing a basis for switching between different product tests.

[0020] Each secondary switch 4 has its throw terminal electrically connected to the common terminal of multiple tertiary switches 5. The secondary switches 4 further distribute and guide the signal. By combining the connection between the throw terminal of the secondary switch 4 and the common terminal of the tertiary switches 5, the test signal can be accurately guided to different paths, which is convenient for signal transmission control for different product types.

[0021] The throw terminals of multiple three-level switches 5 are electrically connected to the test products respectively. The three-level switches 5 complete the final signal connection switching according to different product types. Utilizing the fast switching function of the high-frequency coaxial switch 2, there is no need to manually change the fixtures. Different products and different test contents can be completed in one test station, eliminating product changeover time. At the same time, the fixtures do not need to be disassembled, extending the service life of the fixtures. The system operates stably and saves manpower maintenance costs.

[0022] Multiple testing devices 1 are electrically connected to the throw terminals of various primary switches 3. By utilizing the switching function between the common terminal and the throw terminal of the primary switches 3, they can flexibly adapt to the needs of various testing projects, solving the problems of high personnel requirements and low equipment utilization rate caused by the dispersion of equipment and the segmentation of projects in traditional multi-station testing. The common terminal of one primary switch 3 is connected to the common terminal of one secondary switch 4, and the secondary switch 4 is then connected to the common terminals of multiple tertiary switches 5 through its throw terminal. This hierarchical connection and switching design can accurately guide signal transmission to different paths. Combined with the connection between the throw terminal of the tertiary switches 5 and the test product, and utilizing the fast switching characteristics of the high-frequency coaxial switch 2, different products and different test contents can be completed at one station without the need for frequent manual changes of fixtures and connecting wires. This avoids fixture damage caused by repeated changes and saves the approximately one-hour system full calibration time after each change. At the same time, it extends the service life of the fixtures, reduces labor maintenance costs, and effectively improves overall production efficiency.

[0023] In use, first control the primary switch 3 to switch. If test device 1A is used for testing, the throw terminal of the primary switch 3 connected to test device 1A will be connected to its common terminal, thereby establishing a signal transmission path from the primary switch 3 to test device 1A, so that test device 1A is in a working state.

[0024] Next, the secondary switch 4 is switched. The common terminal of the secondary switch 4 is connected to the common terminal of the primary switch 3. After receiving the product type signal, the secondary switch 4 switches its common terminal to the throw terminal connected to the common terminal of the corresponding tertiary switch 5. This step plays a role in signal distribution and guidance, directing the signal from the primary switch 3 (i.e., the selected test device 1) to different subsequent paths according to different product types.

[0025] Finally, the control switch 5 is switched, with its common terminal connected to the throw terminal of the secondary switch 4, and the throw terminal of the secondary switch 5 connected to the test product. Depending on the specific test product type, the secondary switch 5 switches its common terminal to the throw terminal connected to that product, thus completing the entire signal transmission path from the test device 1 to the test product. For example, if the test product is type X, the throw terminal of the secondary switch 5 connected to type X will be connected to the common terminal of the secondary switch 5, ensuring that the test signal emitted by the test device 1 A can be accurately transmitted to the type X product for testing.

[0026] Each test device 1 in this embodiment is provided with a first test port, a second test port, ..., an Nth test port; Each primary switch 3 has a first-level throwing port, a second-level throwing port, ..., a first-level throwing port A. The first test port of each test device 1 is electrically connected to the first-stage throwing port of each first-stage switch 3; The second test port of each test device 1 is electrically connected to the second primary throw port of each primary switch 3; ......; The Nth test port of each test device 1 is electrically connected to the Ath primary throw port of each primary switch 3.

[0027] This one-to-one connection method establishes a multi-channel signal transmission path between the test device 1 and the primary switch 3. Each test port corresponds to a specific test function or parameter, while each primary switch port serves as a signal transmission node, which can be flexibly switched according to test requirements.

[0028] This allows the system to flexibly adapt to diverse testing needs. When faced with complex testing tasks involving different types of cables, it eliminates the need for a large number of personnel and equipment, as required by traditional multi-station testing due to dispersed equipment and segmented projects, which leads to high personnel demands and low equipment utilization. By switching on the first-level switch 3, the required test channel can be quickly selected, accurately transmitting the signal from the specific test device 1 to the subsequent testing stages. This allows for the efficient completion of multiple testing tasks at a single workstation, effectively improving testing efficiency and resource utilization.

[0029] In this embodiment, each of the secondary switches 4 is provided with a first secondary throwing port, a second secondary throwing port, ..., a Bth secondary throwing port; Each three-level switch 5 includes a first three-level switch 5, a second three-level switch 5, ..., a third three-level switch 5; The common terminal of each first and third-level switch 5 is electrically connected to the first and second-level throw terminals of each second-level switch 4; The common terminal of each second- and third-level switch 5 is electrically connected to the second- and second-level throw terminals of each second-level switch 4; ......; The common terminal of each C-level third-level switch 5 is electrically connected to the B-level second-level throw terminal of each of the second-level switches 4.

[0030] Through this orderly electrical connection method where the throw terminals of the secondary switch 4 correspond one-to-one with the common terminal of the tertiary switch 5, a hierarchical and flexible signal transmission network is constructed. Each throw terminal of the secondary switch 4 acts as a signal distribution node, accurately guiding the signal from the primary switch 3 to the corresponding common terminal of the tertiary switch 5 according to different test requirements; while the tertiary switch 5 further refines the signal distribution, accurately transmitting it to the specific port connected to the test product.

[0031] This effectively solves the problems of high personnel requirements and low equipment utilization rates caused by the dispersed nature of equipment and the segmentation of projects in traditional multi-station testing. During actual testing, operators no longer need to manually and frequently change fixtures and connecting cables. They can quickly and accurately transmit signals from different testing devices 1 to different test products simply by controlling the switching of secondary switch 4 and tertiary switch 5, enabling efficient completion of different products and test contents at a single station. This not only significantly shortens the testing cycle and improves production efficiency but also avoids fixture damage caused by repeated model changes, extends the lifespan of the fixtures, and eliminates the tedious system calibration time after each model change, reducing labor maintenance costs.

[0032] In this embodiment, the first third-level switch 5, the second third-level switch 5, ..., the C third-level switch 5 are all provided with first third-level throwing ports and second third-level throwing ports. The tested products include a type 1 product. The first and third level switches 5, the second and third level switches 5, ..., and the third level switch C 5 are all electrically connected to the first and third level throw ports and the second and third level throw ports of the product.

[0033] Two throw ports are provided for each three-stage switch 5, creating a multi-channel signal transmission path selection. With this design, when testing a product, the three-stage switch 5 can flexibly choose to establish an electrical connection with the product via either the first or second three-stage throw port, depending on different testing requirements. This enables signal transmission and testing of different test points or different test functions of the product.

[0034] This effectively solves the problem of insufficient testing flexibility caused by the single test channel in traditional testing methods. In actual testing, there is no need to frequently change test equipment or reconnect lines to test different functions or test points. By simply controlling the switching of the three-level switch's 5-throw port, the system can quickly adapt to multiple testing requirements for a single product, improving testing efficiency, reducing human error and equipment wear caused by frequent operations, lowering testing costs, and enhancing the overall practicality and reliability of the testing system.

[0035] In this embodiment, the first and third-level switches 5, the second and third-level switches 5, ..., and the third-level switch 5 of C are divided into positive-type switches and negative-type open-circuit switches; The test terminal of the first type of product is equipped with a positive contact and a negative contact; The positive type switch is electrically connected to the positive contact of the product, and the negative type switch is electrically connected to the negative contact of the product.

[0036] By classifying switches and corresponding them to the positive and negative contacts of the product, a precise signal transmission channel conforming to electrical principles is constructed. Positive switches are dedicated to transmitting positive signals, and negative switches are dedicated to transmitting negative signals, ensuring that positive and negative signals are independent and do not interfere with each other during transmission, thus guaranteeing the accuracy and stability of signal transmission.

[0037] This effectively solves the problems of positive and negative signal confusion and interference that may occur in traditional testing methods, improving the accuracy and reliability of testing. In actual testing, it can accurately transmit positive and negative signals to the corresponding pins of a product, avoiding test errors caused by signal interference or confusion, reducing troubleshooting and retesting, thereby improving overall testing efficiency, reducing testing costs, and enhancing the performance and quality of the testing system.

[0038] Each of the three-level switches 5 in this embodiment is also provided with two four-level switches 6, and the four-level switches 6 are provided with a common terminal and a throw terminal; The common terminals of the two quadruple switches 6 are electrically connected to the triple switch 5 through the first and second triple throw ports, respectively. The throw terminal of the quadruple switch 6 is connected to the test product.

[0039] By introducing a fourth-level switch 6 between the third-level switch 5 and the test product, a more refined and flexible signal transmission control hierarchy is constructed. The common terminal of the fourth-level switch 6 is connected to the third-level switch 5, receiving signals from it, while its throw terminal can be switched according to test requirements, thereby selecting to transmit signals to different parts of the test product or to achieve different test functions. This design makes the signal transmission path more controllable, enabling precise adjustments according to diverse test scenarios.

[0040] This effectively solves the problems of single signal transmission paths and insufficient flexibility in traditional testing systems. During actual testing, there is no need for large-scale rewiring or equipment replacement of the entire testing system. Simply by controlling the switching of the four-level switch 6, the signal transmission path can be quickly changed to meet the testing needs of different products and different test components. This not only significantly improves testing efficiency and reduces the time and manpower costs caused by frequent adjustments to the testing system, but also enhances the versatility and adaptability of the testing system, and reduces its complexity and maintenance difficulty.

[0041] In this embodiment, each of the four-level switches 6 is provided with a first fourth-level throwing port, a second fourth-level throwing port, ..., a Dth fourth-level throwing port; The tested products include Type II, Type III, ..., and Type E products; The first and fourth level throwing ports, the second and fourth level throwing ports, ..., and the fourth level throwing port D are respectively electrically connected to the test terminals of the Type II, Type III, ..., and Type E products.

[0042] By setting multiple different fourth-level throw terminals on the fourth-level switch 6 and connecting these terminals one-to-one with the test terminals of various different types of test products, a many-to-many signal transmission matching architecture is constructed. As a key node for signal transmission, the fourth-level switch 6's different throw terminals can precisely direct signals from the third-level switch 5 to the test terminals of specific types of test products connected to it, according to specific test requirements, achieving flexible switching and precise allocation of signal transmission paths.

[0043] This effectively solves the problems of poor system adaptability and cumbersome operation in traditional testing methods when dealing with various types of products. In actual testing scenarios, there is no need to rebuild test circuits or replace test equipment for different types of products. Simply by controlling the switching of the four-level switch's six-throw port, test signals can be quickly and accurately transmitted to the test terminal of the corresponding product type. This allows for efficient completion of testing tasks for multiple product types at a single test station. This not only significantly improves testing efficiency and shortens the testing cycle, but also reduces the risk of errors and failures that may be introduced by frequent changes in test equipment and circuits, improving the accuracy and reliability of test results. At the same time, it reduces manpower, material resources, and time costs, enhancing the versatility and practicality of the testing system.

[0044] In this embodiment, the first fourth-stage throwing port, the second fourth-stage throwing port, ..., the D fourth-stage throwing port are divided into positive polarity switches and negative polarity open-circuit switches; The test terminals of Type II, Type III, ..., and Type E products are equipped with positive and negative contacts; The positive-type switch is electrically connected to the positive contacts of the Type II, Type III, ..., and Type E products, respectively, while the negative-type switch is electrically connected to the negative contacts of the Type II, Type III, ..., and Type E products.

[0045] By classifying the four-stage switching terminals according to their positive and negative polarity and connecting them to the corresponding positive and negative contacts of the test products, a precise and orderly signal transmission system conforming to electrical characteristics is constructed. The positive-type switch is responsible for accurately transmitting the positive signal to the positive contact of each type of product, while the negative-type switch is responsible for accurately transmitting the negative signal to the negative contact of each type of product. This ensures that the positive and negative signals are independent and do not interfere with each other during transmission, guaranteeing the accuracy and stability of signal transmission and meeting the basic requirements of electrical testing.

[0046] This design effectively solves the problem of inaccurate test results caused by signal confusion and interference between positive and negative terminals, which can occur in traditional testing methods. During actual testing, it ensures that the positive and negative signals are accurately transmitted to the corresponding positive and negative contacts of the product, avoiding test errors caused by signal interference or confusion, and reducing troubleshooting and retesting. Furthermore, this design allows the test system to flexibly adapt to the testing needs of various product types without requiring the redesign of complex signal transmission lines for different products. This improves the versatility and practicality of the test system, thereby increasing overall testing efficiency and reducing testing costs.

[0047] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A one-stop cable testing system, characterized in that, It includes multiple test devices (1) and multiple high-frequency coaxial switches (2). Multiple test devices (1) are electrically connected to multiple high-frequency coaxial switches (2) via cables; The multiple high-frequency coaxial switches (2) include multiple primary switches (3), multiple secondary switches (4) and multiple tertiary switches (5); Each of the first-level switch (3), second-level switch (4) and third-level switch (5) is provided with a common terminal and a throw terminal; Each of the multiple test devices (1) is electrically connected to the throw terminal of each of the primary switches (3); The common terminal of one of the primary switches (3) is electrically connected to the common terminal of one of the secondary switches (4); The throwing terminals of each of the secondary switches (4) are electrically connected to the common terminals of the multiple tertiary switches (5); The throw terminals of the multiple three-level switches (5) are electrically connected to the test product.

2. The cable one-stop testing system according to claim 1, characterized in that, Each of the aforementioned test devices (1) is provided with a first test port, a second test port, ..., an Nth test port; Each of the primary switches (3) is provided with a first-level throwing port, a second-level throwing port, ..., an A-level throwing port; The first test port of each of the test devices (1) is electrically connected to the first-level throw port of each of the first-level switches (3); The second test port of each of the test devices (1) is electrically connected to the second primary throw port of each of the primary switches (3); ......； The Nth test port of each of the test devices (1) is electrically connected to the Ath primary throw port of each of the primary switches (3).

3. The cable one-stop testing system according to claim 1, characterized in that, Each of the secondary switches (4) is provided with a first secondary throwing port, a second secondary throwing port, ..., a B-th secondary throwing port; Each of the three-level switches (5) includes a first three-level switch (5), a second three-level switch (5), ..., a Cth three-level switch (5); The common terminal of each of the first and third level switches (5) is electrically connected to the first and second level throw terminals of each of the second level switches (4); The common terminal of each of the second and third level switches (5) is electrically connected to the second and second level throw terminals of each of the second level switches (4); ......； The common terminal of each of the C-level switches (5) is electrically connected to the B-level throw terminal of each of the two-level switches (4).

4. The cable one-stop testing system according to claim 3, characterized in that, The first third-level switch (5), the second third-level switch (5), ..., the C third-level switch (5) are all provided with a first third-level throwing port and a second third-level throwing port; The tested products include a type 1 product. The first third-level switch (5), the second third-level switch (5), ..., the C third-level switch (5) are all electrically connected to the first third-level throw port and the second third-level throw port of the product.

5. The cable one-stop testing system according to claim 4, characterized in that, The first third-level switch (5), the second third-level switch (5), ..., the C third-level switch (5) are divided into positive-type switches and negative-type switches; The test terminal of the first type of product is equipped with a positive contact and a negative contact; The positive type switch is electrically connected to the positive contact of the product, and the negative type switch is electrically connected to the negative contact of the product.

6. The cable one-stop testing system according to claim 4, characterized in that, Each of the three-level switches (5) is also provided with two four-level switches (6), each four-level switch (6) having a common terminal and a throw terminal; The common terminals of the two four-level switches (6) are electrically connected to the three-level switch (5) through the first three-level throwing port and the second three-level throwing port, respectively, and the throwing terminal of the four-level switch (6) is connected to the test product.

7. The cable one-stop testing system according to claim 6, characterized in that, Each of the four-level switches (6) is provided with a first fourth-level throwing port, a second fourth-level throwing port, ..., a Dth fourth-level throwing port; The tested products include Type II, Type III, ..., and Type E products; The first fourth-level throwing port, the second fourth-level throwing port, ..., the D fourth-level throwing port are electrically connected to the test terminals of the Type II product, the Type III product, ..., and the Type E product, respectively.

8. The cable one-stop testing system according to claim 7, characterized in that, The first fourth-stage throwing port, the second fourth-stage throwing port, ..., the D fourth-stage throwing port are divided into positive polarity switches and negative polarity switches; The test terminals of Type II, Type III, ..., and Type E products are equipped with positive and negative contacts; The positive-type switch is electrically connected to the positive contacts of the Type II, Type III, ..., and Type E products, respectively, while the negative-type switch is electrically connected to the negative contacts of the Type II, Type III, ..., and Type E products.

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