Data monitoring apparatus

Details Data monitoring apparatus Data monitoring apparatus

1998-03-24

2000-12-19

Patel, Ajit

Multiplex communications

Diagnostic testing

Of a switching system

370247, G01R 3108

Patent

active

061635308

ABSTRACT:
An apparatus for monitoring selected one of multiple channels comprises a counting unit for increasing a count value when an up mode is selected and for decreasing the count value when a down mode is selected, wherein the count value corresponds to a channel number of the multiple channels; a mode selecting unit for selecting one of the up and the down modes; a unit for inputting a channel number; a unit for generating a count value corresponding to the channel number from the inputting unit and a write-enable signal; a source selecting unit for selecting one of the count values from the counting unit and from the generating unit; a signal generating unit for generating a channel selecting signal corresponding to the count value; a converting unit for extracting data from a channel depicted by the channel selecting signal and converting transmission rate of the data; and an analyzing unit for monitoring the data from the converting unit to check whether or not the data is transferred properly.

REFERENCES:
patent: 5224092 (1993-06-01), Brandt
patent: 5361252 (1994-11-01), Sallberg et al.
patent: 5361253 (1994-11-01), Feijen et al.
patent: 5940409 (1999-08-01), Bergin

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