Aircraft cabin telephony test unit

Details Aircraft cabin telephony test unit Aircraft cabin telephony test unit

2006-11-14

2006-11-14

Kuntz, Curtis (Department: 2643)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Using portable test set

C379S001010, C379S027010, C379S029010, C379S029030, C379S029040

Reexamination Certificate

active

07136457

ABSTRACT:
A test unit for an aircraft cabin telephony system includes a pair of connectors for inserting the test unit in-line within the system; an AC voltage module that is operative to indicate the presence of an AC voltage when the test unit is connected to the Cabin Delivery System connector of the cabin telephony system; a signal module that is operative to detect the presence of data signals when the test unit is connected to the Cabin Delivery System connector; a DC power module that is operative to indicate the presence of DC voltage when the test unit is connected to a seat telephony box within the cabin telephony system; and an AC current module that is operative to detect an over-current condition when the test unit is connected to the Cabin Delivery System connector of the cabin telephony system.

REFERENCES:
patent: 5754445 (1998-05-01), Jouper et al.
patent: 5923743 (1999-07-01), Sklar

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