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US5594576A Optical serial bus interface 失效
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Optical serial bus interface
摘要:
In an optical fiber transmission network, a remote terminal fed by a high-rate optical signal includes an internal electrical link called a serial interface bus carrying 24 DS0 channels. The optical transmission network is extended by converting the SBI baseband signal from electrical to optical and transmitting the SBI optical signal over a distribution fiber to a network unit located in the neighborhood of the subscribers.
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