Network interface modules
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 22, 1994
Grant Date -
N/A
app pub date -
Apr 15, 1991
filing date -
Apr 15, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A network interface module for providing connection between a customer's equipment and the telephone company owned portion of the customer loop is provided with a miniaturized easily removable module which includes the overvoltage protection device and the circuitry necessary to provide a prescribed line test termination impedance having a particular characteristic signature to the telephone central office when a continuity test is made on a subscriber line.
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Cited Art Landscape
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