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Stations are the source and destination of the information being transmitted and received in an optical network. They are devices that network users use to access the network.
FREMONT, CA: An optical network is a communication network that uses an optical fiber cable to transmit data from one end to the other. It is one of the quickest data communication networks available. As one knows, data is transmitted in the form of light pulses via an optical fiber. As a result, optical networks are used to transmit optical signals. Now the question is, why does one need an optical network when there are other communication networks? So, the answer to this question is based on the ease with which a signal in the form of light pulses can be transmitted. Fiber cables are used in today's internet age, and only optical signals can be transmitted via them. Thus, the need for an optical network arises.
Transmission via fiber cable is a simpler task due to the cable's low production cost. A fiber cable also has a higher data-carrying capacity and can transmit data over longer distances than other cables. Hence, fiber cables are in use, and the optical network is a crucial communication system component.
Elements of Optical Network
An optical network is essentially composed of the following elements:
Stations: Stations are the source and destination of the information being transmitted and received in an optical network. They are devices that network users use to access the network. For example, a computer or any other telecommunication device.
Trunk: A trunk is a transmission line, such as an optical fiber cable that is used to transmit an optical signal. For signal transmission over long distances, a network is made up of one or more trunks.
Node: A node is simply a hub for several transmission lines within a network. An optical network does not need nodes in the case of a single transmission line since stations at both ends can be directly connected to the fiber cables.
Topology: When numerous fiber cables are utilized in an optical network, then these are connected through nodes. The topology of the network, on the other hand, is defined by how the multiple nodes are connected.
Router: A router is basically positioned inside an optical network that offers a suitable path for signal transmission.