A type of multiplexer that allows you to simultaneously record images to tape and display the live, full screen image of any individual security camera (compare this to the duplex type which can also display multiple-picture screen images while recording). A simplex multiplexer can display multiple-picture screen images, but it cannot record at the same time. Also unlike a duplex multiplexer, it is unable to record and playback recorded tapes simultaneously.

Data transmission in one direction only.

Operation mode of a communication circuit in which one end can only transmit and the other end can only receive.

Capability for data transmission in only one direction between a sending station and a receiving station. Compare with full duplex and half duplex.

printing on only one side of a sheet of paper.

Ability to print on one side.

Single sided scanner

A document scanner that copies single-sided documents.

A system in which only one signal can be transmitted at a time (normally used to indicate that only one channel of dual channel radar is transmitting).

is a system which can handle only one channel of video, audio or data signal.

Transmitting and receiving on the same frequency.

a method of frequency use in which stations transit and receive on the same frequency

Single; Simplex fibre cables house only one fibre.

A component or element in units of one. For instance a simplex connector would only have one fiber attached.

Single, on of. Usually applied to frames with a single downtube.

Type of fiber optic cable with a single core.