Hand-held tester and method for local area network cabling

Details Hand-held tester and method for local area network cabling Hand-held tester and method for local area network cabling

2005-01-25

2005-01-25

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Parameter related to the reproduction or fidelity of a...

C324S066000

Reexamination Certificate

active

06847213

ABSTRACT:
A LAN tester has display and remote units each having a connector jack attached to an adapter board for connection to the plug of a patch cord. Both the display and remote units have circuits which are capable of measuring the phase between a drive signal voltage and the corresponding coupled or reflected signal due to the drive signal. Scattering parameters for the mated connector pairs and the patch cord itself are measured during a field calibration. A computer in one or both of the tester units stores the measured scattering parameters and uses the scattering parameters to move the reference plane to any desired location along the patch cord. Channel link or permanent link tests can be conducted using the same equipment.

REFERENCES:
patent: 5159262 (1992-10-01), Rumbaugh et al.
patent: 6285653 (2001-09-01), Koeman et al.
patent: 6433558 (2002-08-01), Sciacero et al.

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