Glossary
Term | Main definition |
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Simplex |
(1) A link that can only carry a signal in one direction.
(2) A fiber-optic cable or cord carrying a single fiber.
Simplex cordage is mainly used for patch cords and temporary
installations.
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Simplex cable |
A term sometimes used to describe a single-fiber cable.
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Simplex transmission |
Data transmission over a circuit capable of transmitting
in only one direction.
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Single polarization fibers |
Optical fibers capable of carrying light in only one
polarization.
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Single polarization fibers |
Optical fibers capable of carrying light in only one
polarization.
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Single-board computer |
A circuit board containing the components needed for
a computer that performs a prescribed task. A singleboard
computer is often the basis of a larger piece of
equipment that contains it.
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Single-ended line |
An unbalanced circuit or transmission line, such as a
coaxial cable (see also balanced line and unbalanced
line).
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Single-frequency laser |
A laser that emits a range of wavelengths small enough
to be considered a single frequency.
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Sintering |
A process in optical fiber manufacturing in which the
soot created by heating silicon dioxide is compressed
into glass to make the fiber preform.
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Sinusoidal |
A signal that varies over time in proportion to the sine of
an angle. Alternating current (AC) is sinusoidal.
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SiteNet |
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Skew ray |
A light ray that does not intersect the fiber axis and generally
enters the fiber at a very high angle.
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Skin effect |
The tendency of alternating current to travel on the surface
of a conductor as the frequency increases.
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SLED Surface light emitting diode | A light-emitting diode (LED) that emits light from its flat surface rather than its side. These are simple and inexpensive and provide emission spread over a wide range.
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SMA |
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