Signal protection and monitoring system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 12, 1996
Grant Date -
N/A
app pub date -
Jul 1, 1994
filing date -
Jul 1, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A redundancy switch (44) provides interfacing of network signals to spare network processors (46) in the event of a failure of a main network processor (42). A redundancy switch (44) allows for monitoring and diagnostic operations to be performed on network electrical signals without interrupting traffic flow on inbound and outbound paths. A redundancy switch (44) performs a loopback diagnostic by routing signals from transmitter portions of the spare network processors (46) to selected receiver portions. The redundancy switch (44) includes a receiver interface unit (90) and a transmitter interface unit (92) capable of routing inbound and outbound customer signals to and from the spare processors (46) for monitoring, diagnostic, and sparing purposes.
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