Method and system for synchronous high speed Ethernet GFP...

Details Method and system for synchronous high speed Ethernet GFP... Method and system for synchronous high speed Ethernet GFP...

2011-01-18

2011-01-18

Nguyen, Brian D (Department: 2472)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S503000

Reexamination Certificate

active

07873073

ABSTRACT:
An interworking device, method and system distribute reference timing between at least two communication networks. The interworking device includes a first communication interface operable to communicate with a first communication network operating using a first communication protocol and a second communication interface operable to communicate with a second communication network operating using a second communication protocol. The interworking device also includes a client generic framing procedure/optical transport network (“GFP/OTN”) mapping block in communication with the first communication interface and the second communication interface. The client GFP/OTN mapping block recovers a first reference timing signal from data received from the first communication network. At least one hybrid synchronous equipment timing source transforms the first reference timing signal into a second reference timing signal that is phase and frequency locked to the first reference timing signal, and supplies the second reference timing signal to the client GFP/OTN mapping block to clock the second communication network.

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