CN204405775U - Multiplex roles cable tester - Google Patents

Abstract

The utility model discloses a multi-interface cable tester, which comprises a signal transmitting module and a signal receiving module, and is characterized in that: the signal transmitting module has a first aviation plug, a second aviation plug, an RJ45 interface, a DB25 interface and a DB9 The interface, the signal receiving module has 4 pairs of aviation plugs and sockets, the signal transmitting module and the signal receiving module are also provided with 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 , and each light-emitting diode is connected with the signal line of the corresponding pin; the first aviation plug and the second aviation plug and other specifications of data transmission connectors and corresponding interfaces are added on the signal transmitting module and the signal receiving module, not only for the Existing ordinary network cables can be tested, and the network cables or cables using aviation connectors can also be tested to expand the scope of application. The specific cable faults can be judged by the light-emitting diodes on and off, and the test efficiency can be improved.

Description

Multi-Interface Cable Tester

technical field

The utility model relates to the technical field of on-off test equipment for network cables, in particular to a multi-interface cable tester.

Background technique

At present, the network cable tester used in the test process of the network cable generally includes a signal transmitting module and a signal receiving module. The square wave signal is sent to the CD4017 integrated circuit, and the CD4017 integrated circuit generates multiple signals from the connected network cable interface and network cable to the signal receiving module for testing. Existing network cable testers often only have RJ-45 interface, coaxial cable interface and RJ-11 interface, because a large number of aviation connectors are used in military equipment, the existing tester cannot be used for testing the aviation connector on-off test, and there is currently no corresponding aviation connector cable test device, more importantly, , the existing network cable tester can only test cables with the same interface at both ends, and cannot test cables with different structures at both ends. The equipment for testing network cables is an urgent problem in this field.

Contents of the invention

The technical problem to be solved by the utility model is to provide a multi-interface cable tester, adding aviation plugs and aviation sockets and other specifications of data transmission joints and corresponding interfaces on the signal transmitting module and the signal receiving module, not only for Existing ordinary network cables can be tested, and network cables or cables using aviation connectors can also be tested to expand the scope of application and improve test efficiency.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a multi-interface cable tester, including a signal transmitting module and a signal receiving module, the signal transmitting module has a first aviation plug, a second aviation plug, RJ45 interface, DB25 interface and DB9 interface, the signal receiving module has 4 pairs of aviation plugs and sockets, and described signal transmitting module and signal receiving module are also provided with the supporting LED group of each plug, and the quantity of each group of LEDs and corresponding The number of pins of the plug or the interface is equal, and each light-emitting diode is connected with the signal line of the corresponding pin.

The signal transmitting module includes a power module, a single-chip microcomputer and a CD4017 integrated circuit, and the signal output end of the single-chip microcomputer is connected with the signal input end of the CD4017 integrated circuit, and the signal output end of the CD4017 integrated circuit is connected with the first aviation plug, the second aviation plug, RJ45 interface, DB25 interface and DB9 interface, and the power module includes a power supply and a power switch.

The signal transmitting module also includes a voice broadcast module connected with the single-chip microcomputer, and the voice broadcast module includes a voice recording and playback chip ISD2560, a loudspeaker and a voice switch.

The signal transmitting module also includes a first aviation socket and a second aviation socket matched with the first aviation plug and the second aviation plug.

The beneficial effect of adopting the above-mentioned technical solution is that: on the signal transmitting module and the signal receiving module, aviation plugs and sockets of various specifications and data transmission connectors and corresponding interfaces of other specifications are added, which not only can be used for the existing common network cables. It can also test the network cable or cable using aviation connectors to expand the scope of application. At the same time, LED groups are installed on the signal transmitting module and signal receiving module with each joint or interface. The number of LED groups and the number of pins They are equal, and connected in series with the signal lines connected to the corresponding pins, so that specific cable faults can be judged by turning on and off the light-emitting diodes, and the test efficiency can be improved.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the layout of the plug and the interface of the utility model;

In the accompanying drawings: 1. Signal transmitting module; 2. Voice switch; 3. DB9 interface; 4. RJ45 interface; 5. Second aviation plug; 6. First aviation plug; 7. DB25 interface; 8. Power switch.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

In order to solve the problem that the existing network cable tester has a narrow application range and cannot test the network cable with the aviation connector installed and the network cable with different interfaces at both ends, the utility model provides a multi-interface cable tester as shown in Figure 1. Including a signal transmitting module 1 and a signal receiving module, the utility model is an improvement based on the existing tester, and the key improvement is that the signal transmitting module 1 is connected to the first aviation plug 6, the second aviation plug 5, RJ45 interface 4, DB25 interface 7 and DB9 interface 3 (interfaces, plugs and sockets, and the arrangement of light-emitting diodes can be in two forms as shown in Figure 1 and Figure 2), and the signal receiving module is connected to the RJ-45 interface and 4 pairs of different specifications through signal lines The aviation plug/socket, the signal transmitting module 1 and the signal receiving module are also provided with LED groups supporting each plug, the number of LEDs in each group is equal to the number of pins of the corresponding plug or interface, and each LED is compatible with The signal lines corresponding to the pins are connected; also include a voice broadcast module connected to the chip of the transmitting module, the voice broadcast module includes a voice recording and playback chip, a loudspeaker and a voice switch 2; the signal transmitting module 1 includes a power supply module, a single-chip microcomputer and a CD4017 integrated circuit, and the single-chip signal The output terminal is connected to the CD4017 integrated circuit signal input terminal, the CD4017 integrated circuit signal output terminal is connected to the first aviation plug 6, the second aviation plug 5, RJ45 interface 4, DB25 interface 7 and DB9 interface 3, and the power module includes a power supply and a power switch 8; Both the signal transmitting module 1 and the signal receiving module further include a first aviation socket and a second aviation socket matching the first aviation plug 6 and the second aviation plug 5 .

The utility model adds aviation plugs and sockets of various specifications and data transmission joints and corresponding interfaces of other specifications on the signal transmitting module and the signal receiving module, not only can test the existing common network cables, but also can test the use of aviation plugs. The network cable or cable of the connector expands the scope of application. At the same time, LED groups are installed on the signal transmitting module with each connector or interface. The number of LED groups is equal to the number of pins, and they are connected in series with the signal lines connected to the corresponding pins. The specific cable fault can be judged by the light-emitting diode on and off, and the test efficiency can be improved. One end of the cable to be tested is connected to one interface of the signal transmitting module, and the other end is connected to the other interface of the signal receiving module. Press the power switch, and the two ends correspond to each other. If the indicator light of the cable is on, it means that the cable is connected. It can not only test cables with the same interface at both ends, but also test cables with different interfaces at both ends, which solves the problem of inconvenient testing of aviation plug cables in military equipment, and can greatly improve the efficiency of cable testing. The voice broadcast function makes Testing long-distance or shielded cables can be done by a single person.

Claims (4)

1. a multiplex roles cable tester, comprise signal emission module (1) and signal receiving module, it is characterized in that: described signal emission module (1) has the first aviation plug (6), second aviation plug (5), RJ45 interface (4), DB25 interface (7) and DB9 interface (3), signal receiving module has 4 pairs of aviation plugs and socket, described signal emission module (1) and signal receiving module are also provided with the light emitting diode group supporting with each plug, the quantity often organizing light emitting diode is equal with the stitch quantity of corresponding plug or interface, and each light emitting diode is all communicated with the signal wire of corresponding stitch.

2. multiplex roles cable tester according to claim 1, it is characterized in that: described signal emission module (1) comprises power module, single-chip microcomputer and CD4017 integrated circuit, described single-chip microcomputer signal output part is connected with CD4017 integrated circuit signal input end, described CD4017 integrated circuit signal output terminal is connected with the first aviation plug (6), the second aviation plug (5), RJ45 interface (4), DB25 interface (7) and DB9 interface (3), and described power module comprises power supply and power switch (8).

3. multiplex roles cable tester according to claim 2, is characterized in that: described signal emission module also comprises the voice broadcast module be connected with single-chip microcomputer, and voice broadcast module comprises voice recording and playback ic ISD2560, loudspeaker and voice switch (2).

4. multiplex roles cable tester according to claim 3, is characterized in that: described signal emission module (1) also comprises the first aviation socket and the second aviation socket that mate with the first aviation plug (6) and the second aviation plug (5).