An optical fiber communications network using a star coupler to broadcast a selected transmission received on incoming channels from one of a number of stations, over an equal number of outgoing channels to {HEAD ~ all} of {TAIL ~ the stations} 
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An optical fiber communications network using a star coupler to broadcast a selected transmission received on incoming channels from one of a number of stations , over an equal number of outgoing channels to { HEAD ~ all } of { TAIL ~ the stations }
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