| 摘要 |
Disclosed is a system for communicating electrical signals, digital and/or analog, from one location to another first over an RF communications link and then secondly over an optical communications link. A first digital memory is included on the transmitter side of the RF communications link so that a plurality of fixed or portable signal sources can feed data thereto in a desired sequence for subsequent transmission upon demand first to at least one second or interim digital memory at the end of the RF communications link and then to at least one third digital memory at the end of the optical communications link. The third memory is located in a terminal unit, fixed or portable, which is adapted to feed the data transmitted thereto to one or more utilization devices.
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