Appeal No. 2002-0067 Page 3
Application No. 08/721,921
Accordingly, the appellant's invention can inform an installer of an ODU that a
IFL is faulty without requiring him to travel indoors to an associated IDU. More
specifically, the ODU includes a dumb transmission circuit and a voltage detector. (Id.)
The latter detects voltages insufficient to operate the former. A signal generator
responsive to an output from the voltage detector generates an external output to
indicate the insufficiency. (Id. at 14.)
A further understanding of the invention can be achieved by reading the following
claim.
1. A method of indicating a malfunction of a communications link
connecting an indoor unit and an outdoor unit of a communications
system, wherein the outdoor unit comprises a dumb transmission circuit,
the method comprising the steps of:
a. detecting the malfunction of the communications link at the
outdoor unit; and
b. indicating the malfunction with an external output at the outdoor
unit.
Claims 1-4, 7-11, 13, 14, 16-21, and 23-25 stand rejected under 35 U.S.C.
§ 103(a) as obvious over U.S. Patent No. 5,724,645 ("Na").
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