PBX Telephone system remote synchronization
作者： John R. Scantlin , Stephen D. Flanagin , Howard G. Bubb
DOI:
关键词:
摘要: Telephone system interface circuitry for regulating the full duplex exchange of asynchronous serial bit signal information between system's station equipment and central matrix switch includes a processor, master clock, individual ports each station, in variable time delay transmission responsive to transmitted periodically from transmitting at same periodic interval but delayed received by selected regulate actual arrival (TOA) associated port coincident with desired TOA that port.
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