When talking about fiber optic patch cable, related products that firstly come to our mind are usually multi-mode and single-mode patch cable. However, there are many other types, such as simplex fiber patch cable, duplex fiber patch cable,LC to LC fiber patch cableand LC-SC fiber patch cable. People might wonder what duplex and simplex fiber patch cables are. In today’s text, we will introduce you about these cables. Before we come to simplex and duplex fiber patch cables, let’s firstly get familiar with the two words—simplex and duplex.

However, at other times, communications can flow in the reverse direction. That is half-duplex. Half-duplex system means a communication channel that operates in one direction at a time and may be reversible. A good analogy for half-duplex system will be two roads with a traffic controller at each end, in order to ensure smooth flow of traffic, the traffic controller only allows one direction at a time. But if one party transmits at the same time, a collision occurs, resulting in lost messages.

"Duplex” comes from "duo” that means "two”, and "plex” refers to "weave” or "fold”. A duplex system has two clearly defined paths with each path providing information in only one direction, that is A to B over one path, B to A over the other. Compared with half-duplex, a full-duplex system, or sometimes called double-duplex allows communication in both directions and allowing this to happen simultaneously. Just like the cellphone, both parties can speak and be heard at the same time.

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