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Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link

A tone and cable technology, applied in the field of location devices, can solve problems such as link pulses not being added, link pulses not being observed, etc.

Inactive Publication Date: 2004-01-14
弗兰克公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This way, if the technician sets the wrong cable state, the link pulse is not applied to the appropriate cable line, and as a result, the link pulse is not observed by the network device connected to the other end of the cable

Method used

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  • Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link
  • Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link
  • Method and apparatus for distinguishing cable by simultaneous supplying of tone and intermittent link

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Embodiment Construction

[0016] The system according to the preferred embodiment of the present invention includes a network test instrument that simultaneously applies tones and link pulses to the cable to be tested. The link pulse alternates between the transmission and receiving lines of the cable. It is not important to ensure that the link pulse is obtained using the IEEE802.3 MDI specification or the IEEE802.3 MDI-X specification.

[0017] Referring to FIG. 1, which is a block diagram of a network test instrument 10 according to the present invention, a microprocessor 12, a display 14 and a key 16 connected to the display are provided. The Ethernet physical layer interface 18 communicates with the microprocessor, and the physical layer interface drives the link indicator LED 22. The physical layer interface is also connected to the transmit / receive switch block (TX / RX SWAP), and the TX / RX SWAP is connected to the RJ45 interface jack 24. The plug hole 24 is connected to a tone driver 26 which is cont...

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PUM

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Abstract

A test device for assisting in locating a cable efficiently provides both tone and link pulses simultaneously to a cable under test. The link pulses are alternated between transmit and receive pairs on the cable.

Description

Technical field [0001] The present invention relates to a network test instrument, and more specifically, to a device that assists in determining the position of a cable in an effective manner. Background technique [0002] When installing and maintaining a network or other telecommunication equipment, it is often desirable or necessary to determine the location of a specific cable associated with a specific network device. However, since the number of cables may be large in specific situations, it is quite difficult to identify individual cables of interest. [0003] In the telecommunications industry, adding tones on cables has been used as a positioning aid. Use the detector to help determine the location of the required cable or cable pair at the location where the tone is applied remotely. However, if the test situation involves the use of a switching control station (HUB), the tone will also not work. [0004] Another method of determining cable location during network inst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F58/26G01R31/02G01R31/34H04B3/46H04L12/26H04L12/413H04M3/26
CPCH04L43/50H04M3/085H04M3/26G01R31/60G01R31/58
Inventor T·K·博利T·杜马斯M·凯斯林
Owner 弗兰克公司
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