Simplex Definition

sĭmplĕks
simplexes, simplices
adjective
Having only one part; not complex or compounded.
Webster's New World
Designating or of a system of telegraphy, telephony, etc. in which a signal can be transmitted in only one direction at a time.
Webster's New World

(telecommunications) Unidirectional.

Wiktionary
noun
An element or figure contained within a Euclidean space of a specified number of dimensions and having one more boundary point than the number of dimensions (Ex.: a simplex of zero dimensions is a point, of one dimension is a line segment, of two dimensions is a triangle and its interior, of three dimensions is a tetrahedron and its interior)
Webster's New World
A word that has no affixes and is not part of a compound; a simple word.
American Heritage
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other
A fiber optic transmission system (FOTS) using a single single-mode fiber (SMF) for transmission in both directions and perhaps supporting multiple wavelengths. Passive optical network (PON) standards, for example, include a simplex option. In this configuration, the downstream transmissions are supported in the 1480
Webster's New World Telecom

A transmission path or circuit designed to support information transfer in one direction only. Physically, the circuit may be able to support duplex, or two-way, information transfer, but the equipment on either end will not allow it. In other words, the protocol is simplex. Burglar alarm, intrusion alarm, and fire alarm circuits are simplex in nature, as they are designed to support information transfer from a sensor to a central alarm answering point, but will not support information transfer in the reverse direction. It would be unwise to reset such an alarm remotely without a physical inspection. Rather, the cause of the alarm must be analyzed by a human being who is physically present at the alarm point.The human being can then reset the alarm locally.Two simplex circuits, one in each direction, can be used to provision a full duplex circuit, i.e., a circuit that supports simultaneous transmission in both directions. See also duplex, full duplex, half duplex, and protocol.

Webster's New World Telecom

Other Word Forms of Simplex

Noun

Singular:
simplex
Plural:
simplexes

Origin of Simplex

  • Latin simple sem-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin

    From Wiktionary

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