Methods and apparatus for system framing synchronization control for a framer/mapper/multiplexor device with 1+1 and equipment protection

Methods and apparatus for system framing synchronization control for a framer/mapper/multiplexor device with 1+1 and equipment protection

Methods and apparatus are provided for framing synchronization control for a framer/mapper/multiplexor (FMM) device with 1+1 and equipment protection. FMM device are disclosed that synchronize one or more internal signals by changing a phase of the one or more internal signals without changing a fre...

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Bibliographische Detailangaben
Hauptverfasser: SHAFFER MICHAEL S, WANG TAO, HUA LIN, DUAN CHENG GANG, XU QIAN G
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MULTIPLEX COMMUNICATION
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:Methods and apparatus are provided for framing synchronization control for a framer/mapper/multiplexor (FMM) device with 1+1 and equipment protection. FMM device are disclosed that synchronize one or more internal signals by changing a phase of the one or more internal signals without changing a frequency of the one or more internal signals based on a desired phase at a destination of each of the one or more internal signals. A programmable synchronization signal may optionally be employed for the synchronization.