CN110297152A - Portable multi-interface communication cable test device - Google Patents

Abstract

The invention discloses a portable multi-interface communication cable testing device, which comprises a network tester, a signal relay module and a multifunctional interface, the signal relay module and the multifunctional interface are arranged on the relay plug-in shell, and the signal relay module The output, input and control signals are pluggably connected to the network tester through the RJ45 interface set on the relay plug-in shell, the inner signal line of the multi-function interface is connected to the signal relay module, and the relay plug-in shell is also set There is a group of light-emitting diodes matching each plug, and the number of light-emitting diodes in each group is equal to the number of pins of the corresponding plug or interface; the present invention matches the interface conversion device on the basis of the existing network tester, and can match M2 and RS232 interfaces at the same time , Through the matching interface, the test steps and methods of the network tester can be extended to 2M lines and RS232 cables, avoiding the disadvantages of multimeter testing, and performing reliable and convenient tests on cables.

Description

Portable multi-interface communication cable tester

Technical field:

The invention relates to the field of electric power communication, in particular to a portable multi-interface communication cable testing device.

Background technique:

Among the existing business interfaces of the power communication system, the most common ones are 2M coaxial interface, RJ45 interface and RS232 interface. Common 2M coaxial interfaces include BNC and L9, RS232 interfaces include RS232 pin type and hole type, and RJ45 interfaces include T568A or T568B. Some devices use two different interface combinations, such as Cisco equipment. The 2M cable is L9 and RJ-45, etc., which increases the difficulty of testing.

When the multimeter is tested for a long time, the test data is unreliable and the result is not intuitive; the two ends of the cable are generally longer, the interface core is thinner and smaller, and the diameter is generally .5-1MM. Mistakenly touching other wire cores will cause errors in the results, which need to be confirmed repeatedly in the actual test.

Invention content:

The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, to match the interface conversion device on the basis of the existing network tester, to match the M2 and RS232 interfaces at the same time, and to be able to convert the test steps of the network tester to the network tester through the matching interface. And the method is extended to 2M lines and RS232 cables, avoiding the disadvantages of multimeter testing, and it is a portable multi-interface communication cable testing device for reliable and convenient testing of cables.

The technical solution of the present invention is: a portable multi-interface communication cable testing device, including a network tester, a signal relay module and a multi-function interface, characterized in that: the signal relay module and the multi-function interface are arranged in the relay plug-in On the housing, the output, input and control signals of the signal relay module are pluggably connected to the network tester through the RJ45 interface provided on the relay plug-in housing, and the multi-function interface includes a BNC interface, L9 interface, RS232 interface, the inner signal lines of various interfaces are connected to the signal relay module, and the relay plug-in housing is also provided with a group of light-emitting diodes matching each plug, and the number of light-emitting diodes in each group is the same as The number of pins corresponding to the plug or the interface is equal, and each light-emitting diode is connected with the signal line of the corresponding pin.

Further, the signal relay module includes a matrix and an MCU controller, the MCU controller is connected to the RJ45 interface, and the MCU controller controls the switching of the matrix through signals, thereby realizing switching between different interfaces.

Further, the output and control signals of the matrix are respectively connected to the corresponding signal detection port and signal control port of the MCU controller.

Further, the button is connected to the signal relay module, and the corresponding interface is connected by operating the button.

Further, the relay plug-in housing is provided with a connection indicator connected to the RJ45 interface, and the connection indicator includes a power indicator and a signal indicator.

The beneficial effects of the present invention are:

1. The present invention matches the interface conversion device on the basis of the existing network tester, can match M2 and RS232 interfaces simultaneously, and can extend the test steps and methods of the network tester to 2M lines and RS232 cables through the matching interface, avoiding Disadvantages of multimeter testing, reliable and convenient testing of cables.

2. The present invention performs plug-in connection through the RJ45 interface on the existing network tester, and can match cables and connectors of various interfaces. , which is beneficial to quickly eliminate the failure of the bad interface line during the work process and improve work efficiency.

3. Each connector or interface of the present invention is equipped with a light emitting diode group, the number of light emitting diode groups is equal to the number of pins, and connected in series with the signal lines connected to the corresponding pins, the specific cable fault can be judged by turning on and off the light emitting diodes, Improve testing efficiency.

4. The RJ45 interface of the present invention is provided with a power indicator light and a signal indicator light. When the signal relay module is connected with the network tester, the two indicator lights are on. If they are not on, it means that there is no connection or there is a fault.

Description of drawings:

Fig. 1 is a schematic structural diagram of a portable multi-interface communication cable testing device.

Fig. 2 is a structural connection block diagram of a portable multi-interface communication cable testing device.

Detailed ways:

Embodiment: See Figure 1 and Figure 2, in the figure, 1-network tester, 2-relay plug-in housing, 3-RJ45 interface, 4-BNC interface, 5-L9 interface, 6-RS232 interface, 7-luminescence Diode group, 8-button, 9-connection indicator.

A portable multi-interface communication cable testing device includes a network tester 1, a signal relay module and a multifunctional interface. The present invention is an improvement based on the existing network tester 1. The key improvement is that the signal relay module and the The functional interface is set on the relay plug-in shell 2, and the output, input and control signals of the signal relay module are pluggably connected to the network tester 1 through the RJ45 interface 3 set on the relay plug-in shell 2, and the multi-function The interfaces include BNC interface 4, L9 interface 5, and RS232 interface 6. The inner signal lines of various interfaces are connected to the signal relay module, and the relay plug-in housing 1 is also provided with a light-emitting diode group 7 and buttons matching each plug. 8. The number of light-emitting diodes in each group is equal to the number of pins of the corresponding plug or interface, and each light-emitting diode is connected to the signal line of the corresponding pin.

Further, the signal relay module includes a matrix and an MCU controller, the MCU controller is connected to the RJ45 interface 3, and the MCU controller controls the switching of the matrix through signals, thereby realizing switching between different interfaces.

Further, the output and control signals of the matrix are respectively connected to the corresponding signal detection port and signal control port of the MCU controller.

Further, the button 8 is connected to the signal relay module, and the corresponding interface communication is realized by operating the button 8 .

Further, a connection indicator light 9 connected to the RJ45 interface 3 is provided on the relay plug housing 1, and the connection indicator light 9 includes a power indicator light and a signal indicator light.

When in use, insert the relay plug-in housing 2 into the existing network tester 1 through the RJ45 interface 3 to realize the connection between the signal relay module and the network tester, and to complete the communication between the signal and the power supply (power indicator light and signal indication The light is on), and the personnel select and press the corresponding button 8 according to the type of cable interface to be tested, and connect to the corresponding interface through the MCU controller through the control matrix; the signal relay module is equipped with a light-emitting diode that is matched with each connector or interface. Group 7, the number of light-emitting diode groups is equal to the number of pins, and it is connected in series with the signal lines connected to the corresponding pins. The specific cable fault can be judged by the light-emitting diodes on and off, and the test efficiency can be improved. One end of the cable to be tested is connected to the signal transmitting module. The other end is connected to the other interface of the signal receiving module. If the corresponding indicator lights at both ends are on, it means that the cable is connected. If an indicator light is not on, it means that the cable is not connected. And it can test cables with different interfaces at both ends.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to within the scope of the technical solutions of the present invention.

Claims (5)

1. A portable multi-interface communication cable testing device, comprising a network tester, a signal relay module and a multifunctional interface, is characterized in that: the signal relay module and the multifunctional interface are arranged on the relay plug-in housing, and the The output, input and control signals of the signal relay module are pluggably connected to the network tester through the RJ45 interface provided on the relay plug-in housing, and the multi-function interface includes a BNC interface, an L9 interface, and an RS232 interface , the inner signal wires of various interfaces are connected to the signal relay module, and the relay plug-in housing is also provided with a set of light-emitting diodes and buttons matching each plug, and the number of light-emitting diodes in each set is the same as that of the corresponding plug or The number of pins of the interface is equal, and each light-emitting diode is connected with the signal line of the corresponding pin. 2. The portable multi-interface communication cable testing device according to claim 1, characterized in that: the signal relay module includes a matrix and an MCU controller, the MCU controller is connected to the RJ45 interface, and the MCU controller is controlled by a signal Matrix switching, so as to realize the switching between different interfaces. 3. The portable multi-interface communication cable testing device according to claim 2, characterized in that: the output and control signals of the matrix are respectively connected to the corresponding signal detection port and signal control port of the MCU controller. 4. The portable multi-interface communication cable testing device according to claim 1, characterized in that: the buttons are connected to the signal relay module, and the corresponding interfaces are connected by operating the buttons. 5. The portable multi-interface communication cable testing device according to claim 1, characterized in that: the relay plug housing is provided with a connection indicator connected to the RJ45 interface, and the connection indicator includes a power indicator and Signal light.