MIL-STD-2042-4B(SH)
3. DEFINITIONS
3.1 General fiber optics terms. Definitions for general fiber optics terms used in this standard practice are in accordance with EIA/TIA-440. Definitions for other terms as they are used in this standard practice are given in the following paragraphs.
3.2 Acronyms. The following acronyms are used in this standard practice: BOF Blown optical fiber
FOCP Fiber optic cable plant
FOCT Fiber optic cable topology
FOICB Fiber optic interconnection box
TRB Tube routing box
3.3 Alternate channel. Allocated and used backup link for a normal channel.
3.4 Authorized approval. Written approval from the cognizant Government activity.
3.5 BOF bundle. A group of optical fibers within a special jacket that allows the entire bundle to be blown into a BOF tube.
3.6 BOF fiber. An optical fiber with a special coating that allows the fiber to be blown into a BOF tube.
3.7 BOF tube. A tube within a BOF cable through which BOF fibers or BOF
bundles are blown.
3.8 BOF tube coupler. A device used to join two BOF tubes together.
3.9 BOF tube routing box (TRB). An enclosure for holding BOF cables (trunk and local), BOF tubes (trunk and local), and tube couplers to interconnect BOF tubes.
3.10 End user equipment. Any cabinet, case, panel, or device that contains components that are either the origin or destination of an optical signal.
3.11 Fiber optic cable plant (FOCP). A subset of the FOCT that excludes local cables and their associated components. A conventional FOCP includes FOICBs, trunk cables and their associated connectors and splices. A BOF FOCP consists of FOICBs, TRBs, tube couplers, BOF trunk cables, BOF fibers, BOF bundles, tube furcation units and associated connectors and splices.
3.12 Fiber optic cable topology. An integrated optical fiber distribution system that provides the optical interconnection between end user equipments. A conventional FOCT includes the conventional FOCP components and outlet boxes, local cables and their associated connectors and splices. A BOF FOCT includes the BOF FOCP components, BOF cable furcations, local conventional cables, local BOF cables, and associated connectors and splices.
3.13 Fiber optic interconnection box (FOICB). An enclosure for holding optical fiber cable (BOF and conventional), BOF tubes, tube furcation units, and optical fiber splices, connectors and adapters.
3.14 Installing activity. An installing activity is any military, commercial, or industrial organization involved with the installation of fiber optic cable topologies aboard Naval ships.
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