Glossary
Term | Main definition |
---|---|
Splice |
(1) A permanent joint between two optical waveguides.
(2) Fusing or mechanical means for joining two fiber ends.
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Splice enclosure |
A cabinet used to organize and protect splice trays.
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Splice tray |
A container used to organize and protect spliced fibers.
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Split pair |
A wiring error in twisted-pair cabling where one of a
pair
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Splitter | Generic term for a passive device that splits one RF transmission path into two, normally full band (3dB loss)
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Splitting ratio |
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Spontaneous emission |
The emission of random photons (incoherent light) at the
junction of the p and n regions in a light-emitting diode
when current flows through it. Occurs when a semiconductor
accumulates spurious electrons. Spontaneous
emission interferes with coherent transmission
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Spontaneous emission |
The emission of random photons (incoherent light) at the
junction of the p and n regions in a light-emitting diode
when current flows through it. Occurs when a semiconductor
accumulates spurious electrons. Spontaneous
emission interferes with coherent transmission
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SRF | Supply Request Form – details the required free issue equipment / materials.
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SRL Structural return loss | A measurement of the impedance uniformity of a cable. It measures energy reflected due to structural variations in the cable. The higher the SRL number, the better the performance; this means more uniformity and lower reflections.
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ST connector |
A fiber-optic connector with a bayonet housing; it was
developed by AT&T but is not in favor as much as SC or
FC connectors. It is used with older Ethernet 10Base-FL
and fiber-optic inter-repeater links (FIORLs).
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Stabilized light source |
An LED or laser diode that emits light with a controlled
and constant spectral width, central wavelength, and
peak power with respect to time and temperature.
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Stamped and formed | Stamp and Form Contact - The contact pin is formed into its shape from the sheet of material by using a press tool.
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Standards |
Mutually agreed-upon principles of protocol or procedure.
Standards are set by committees working under various
trade and international organizations.
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Star coupler |
A fiber-optic coupler in which power at any input port
is distributed to all output ports. Star couplers may have
up to 64 input and output ports.
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