| 摘要 |
An undersea optical repeater includes a pressure resisting bulkhead through which an incoming sea cable is glanded, interconnecting optical fibres, stored in an elongate compartment within the repeater interconnected the cable with an optical transmitter (laser L1), a receiver (diode D) A rescue laster L2 is provided. A plurality (A,B,C,D) of such repeaters may be provided in a single pressure-resisting casing (Fig. 3 not shown). <IMAGE> |
