Serial networking fiber optic inflight entertainment system network configuration
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United States of America Patent
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Apr 9, 2013
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app pub date -
Aug 20, 2010
filing date -
Aug 20, 2009
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Abstract
Serial networking dedicated fiber optic inflight entertainment (IFE) systems, methods therefor and components thereof, that exhibit improved configuration and failover attributes through implementation of novel network configuration protocols. In some aspects of the invention, such an IFE system comprises a plurality of head end line replaceable units (HE-LRUs) and a plurality of serial networking line replaceable units (SN-LRUs), wherein each of the SN-LRUs individually detects that a closed system network has been formed between the plurality of HE-LRUs and the plurality of SN-LRUs based on a plurality of packets sourced by at least one of the HE-LRUs and received on a plurality of ports of each of the SN-LRUs, and wherein in response to detecting that the closed system network has been formed one of the SN-LRUs blocks one of its ports based on further detecting that the SN-LRU is a middle SN-LRU.
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