MIL-STD-2042 Fiber Optic Cable Topology Installation Standard Methods For Naval ShipsThis standard provides detailed methods for the installation and test of fiber optic cabling and associated components on Naval surface ships and submarines.

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MIL-STD-2042B(SH)

3.10.1  Conventional trunk cable.  A conventional optical fiber cable that runs between two fiber optic interconnection boxes.

3.10.2  BOF trunk cable.  A single BOF cable connecting two FOCP TRBs or between a FOCP TRB and a FOCP FOICB. A BOF trunk cable contains multiple BOF trunk tubes.

3.10.3  BOF Trunk tube.  A BOF tube bundled within a BOF trunk cable that runs between two FOCP TRBs or between a FOCP TRB and a FOCP FOICB.

3.11  Tube coupler.  A device used to join two BOF tubes together.

3.12  Tube furcation unit.  An assembly attached to the end of a BOF tube in a BOF cable used to separate the fibers and provide a cable structure to facilitate the termination of the optical fibers from that BOF tube.

3.13  Tube routing box (TRB).  An enclosure for holding BOF cables (trunk and local), BOF tubes (trunk and local), and BOF tube couplers to interconnect BOF tubes.

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