Communications: electrical – Visual indication – Multiple colors
Patent
1996-11-29
1998-10-06
Hofsass, Jeffery
Communications: electrical
Visual indication
Multiple colors
34081543, 34081553, G08B 2100
Patent
active
058183434
ABSTRACT:
This invention relates to a visual indication system for a field replaceable unit. The system includes two or more visual indicators on a face of the field replaceable unit (FRU), each indicator having a unique shape and being switchable between an on state and an off state. Diagnostic and administrative control within the FRU functions to monitor overall operation of the FRU and, under the control of Network Operations Systems, selectively turns on or off the visual indicators to reflect status of the FRU.
REFERENCES:
patent: 4586034 (1986-04-01), Nakamine
patent: 4753117 (1988-06-01), Osterhout et al.
patent: 5493278 (1996-02-01), Mackenzie et al.
Planas Miguel
Sobel Jay Richard
Winlow Thomas
Granchelli John A.
Hofsass Jeffery
Northern Telecom Limited
Woods Davetta
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