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Network cable tester

A tester and network cable technology, applied in the field of network testing, can solve the problems of network cable quality degradation, crystal head interface performance degradation, unreliable and accurate test results, etc., and achieve the effect of easy operation, portability and simple equipment

Pending Publication Date: 2022-02-08
ZHEJIANG INST OF COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the test results are not reliable and accurate, because in some occasions, such as the deterioration of the quality of the network cable, poor connection of the network cable, performance degradation of the crystal head interface, poor insulation between pairs, and changes in the characteristic impedance of twisted-pair pairs of high-speed data signals, etc. In some cases, the line connectivity tested by the network line tester does not indicate the normality of network line communication transmission. There are many detours in the process of failure, so it is necessary to improve the existing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment one: refer to figure 2 , image 3 with Figure 4 .

[0039] A network cable tester, including a signal transmission device 1 and a test terminal 2 connected to the network, the signal transmission device 1 includes a housing 11, and an encoder 12, a PHY chip 13, and a first pin switching circuit are arranged in the housing 11 14. The transformer 15 and the first communication module 16, the encoder 12, the PHY chip 13, the first pin switching circuit 14, the transformer 15 and the first communication module 16 are electrically connected in sequence, and the first communication module 16 is connected to the test terminal 2 connect;

[0040] The test terminal 2 includes a main body 21, the main body 21 is provided with a second communication module 22, a second pin switching circuit 23, an impedance matching module 24 and a miniature digital oscilloscope 25, the second communication module 22 is connected with the first communication module 16, The second ...

Embodiment 2

[0044] Embodiment 2: On the basis of Embodiment 1, further speaking, the model of the PHY chip 13 is RTL8211E.

Embodiment 3

[0045] Embodiment three: on the basis of embodiment one or embodiment two, further say, such as Figure 5 As shown, the first communication module 15 uses the first Ethernet port and the first RJ45 interface.

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Abstract

A network cable tester disclosed by the present invention comprises a signal sending device and a test terminal, the signal sending device comprises a shell, the shell is internally provided with an encoder, a PHY chip, a first pin switching circuit, a transformer and a first communication module, and the encoder, the PHY chip, the first pin switching circuit, the transformer and the first communication module are electrically connected in sequence; the test terminal comprises a main body, the main body is provided with a second communication module, a second pin switching circuit, an impedance matching module and a miniature digital oscilloscope, the second communication module is connected with the first communication module, and the second communication module is respectively connected with the second pin switching circuit and the impedance matching module; the second pin switching circuit is connected with an impedance matching module, the impedance matching module is connected with a miniature digital oscilloscope, and a display screen is arranged on the miniature digital oscilloscope. According to the invention, the design is reasonable, the on-off and line sequence problems of the network cable can be more clearly and visually observed, time and labor consumption is avoided, and the working efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical field of network testing, in particular to a network cable tester. Background technique [0002] At present, Ethernet applications are ubiquitous. For example, in the installation, construction, maintenance and troubleshooting of projects such as LAN, smart transportation, and the Internet of Things, a network line tester is often used to test the connectivity of the eight core wires in the twisted pair and the wires. For example, the Chinese invention patent whose authorized announcement number is CN104660468B discloses a hand-held HINOC network tester, which includes a HINOC module and a main unit, and the main unit includes a housing cover, a touch display, a motherboard, The CPU board includes a MIC socket for connecting an earphone or a microphone on the shell cover, an antenna connector for connecting an external WiFi antenna, a USB interface and one or more Ethernet interfaces. The HINOC module includes a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/08
CPCG01R31/08
Inventor 陈楚王工一戎成宣峰李莉
Owner ZHEJIANG INST OF COMM
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