What is Optical Network Architecture?
1.1 Optical Network Architecture Optical networks are high-capacity telecommunications networks based on optical technologies and component that provide routing, grooming, and restoration at the wavelength level as well as wavelength-based services.
What are the four components of an optical network?
Components of a fiber-optical networking system include:
- Fiber.
- Laser or LED light source.
- Multiplexer/demultiplexer, also called mux/demux, filter, or prism.
- Optical switch, to direct light between ports without an optical-electrical-optical conversion.
- Optical splitter, to send a signal down different fiber paths.
What is optical networking equipment?
An optical network is a communication system that uses light signals, instead of electronic ones, to send information between two or more points. The points could be computers in an office, large urban centers or even nations in the global telecommunications system.
How does optical networking work?
Light travels down a fiber optic cable by bouncing off the walls of the cable repeatedly. Each light particle (photon) bounces down the pipe with continued internal mirror-like reflection. The light beam travels down the core of the cable. The core is the middle of the cable and the glass structure.
How do optical networks work?
Fiber-optic cables transmit data via fast-traveling pulses of light. Another layer of glass, called “cladding,” is wrapped around the central fiber and causes light to repeatedly bounce off the walls of the cable rather than leak out at the edges, enabling the single to go farther without attenuation.
How does an ONT work?
The ONT (also called the modem) connects to the Termination Point (TP) with an optical fibre cable. It connects to your router via a LAN / ethernet cable and translates light signals from the fibre optic line from your TP into electronic signals that your router can read.
What is OTN used for?
OTN—or Optical Transport Network—is a telecommunications industry standard protocol— defined in various ITU Recommendations, such as G. 709 and G. 798—that provides an efficient way to transport, switch, and multiplex different services onto high-capacity wavelengths across the optical network.
What are OTN products?
An optical transport network (OTN) is a digital wrapper that encapsulates frames of data, to allow multiple data sources to be sent on the same channel. This creates an optical virtual private network for each client signal.
What is GPON architecture?
GPON Architecture features a tree topology maximizing the coverage with minimum network splits therefore reducing optical power. The FTTH access network encompasses five areas: a core network area, a central office area, a feeder area, a distribution area, and a user area.
Why do we need optical network?
Advantages of Optical Network The advantages are as follows: An optical transmission system supports high bandwidth. The transmitted signal can be transmitted to longer distances. This networking system is more flexible than other transmission systems.
Why do we need optical networks?
What is structure of optical fiber?
An optical fiber consists of three basic concentric elements: the core, the cladding, and the outer coating (Figure 1). The core is usually made of glass or plastic, although other materials are sometimes used, depending on the transmission spectrum desired. The core is the light-transmitting portion of the fiber.
What is inside an ONT?
An ONT is an Optical Network Terminal. This device connects the fibre that has been wired to the outside of your house, to your modem. The ONT is a small white plastic box (180mm x50mm x 120mm) that will be placed on your internal wall.
Is ONT a gateway?
ONTs can vary in features. They can act as gateway devices and provide IP addresses to your devices, or they can bridge the connection between your provider and your internal network.