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Traditional copper cables incur significant losses over extended lengths (100 meters being the outside edge of transmissibility). This permits partial upgrades of network infrastructure to fiber-optic technology, maintains the ability to connect to copper and other types of wired networks, and enhances fast Ethernet speeds. In most cases, they are used to connect twisted pair or coaxial cable to a fiber-optic cable, allowing the interconnection of newer fiber-optic networks and cable systems and older copper-based cabling systems.

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Please feel free to contact us for further information.Fiber media converters are networking devices capable of connecting two different media types. We are striving to provide the best services to all the customers. I hope readers can learn from it. Fiberstore supplies a variety of optical communication products including HFC optical transmitter, HFC optical receivers, FTTH optical transmitter, FTTH optical receivers, SAT-IF optical transmitter & receiver, EOC system products, and network switches, etc. This passage has made a brief introduction to the HFC network.

COAX TO FIBRE MEDIA CONVERTER TV

This new generation cable network is now used for cable telephones, increased number of CATV channels (over 200) and a direct infrastructure to new digital TV standard. It increases from traditional CATV network (up to 330 MHz or 450 MHz) to 750 MHz (It can be upgraded to 1 GHz in the future) with HFC. What’s more, HFC network possesses high bandwidth capabilities. Compared to CATV, HFC network is more reliable, immune to noise and has almost non-existent attenuation. It also has the ability to adapt to new services such as voice, data or video without changing existing operational parameters. In addition, the most obvious advantage of HFC is that there is no need for subscribers to change the already existing coaxial networks as it uses a separate connection. In addition, it needs fewer maintenance costs due to fewer amplifiers required and also less electricity than coaxial.

To begin with, HFC network provides high performance at low cost because they can be designed to match the asymmetrical bandwidth needs of most broadband distribution systems. At last, the fiber spurs end into fiber nodes that translate the signal from a light beam to an electrical signal, and send it over coaxial cable lines for distribution to subscriber residences. The loop is tapped at regular points by a fiber hub that can distribute the optical signals on fiber spurs. In this way, if any break occurs in the cable, the signal will automatically be available from the other part of the loop. The fiber cables are connected in a loop around the cable television service area. Firstly, multiple RF television channels at the headend are shifted in frequency to allow distribution through high-speed fiber cable. The above image shows the HFC distribution system. In a hybrid fiber coax system, the fiber optic network extends from the cable operators’ master headend, then out to a neighborhood’s fiber hub, and finally to a coaxial fiber node which serves anywhere from 25 to 2000 homes. HFC system is mainly used for delivering video, telephony, voice telephony, data, and other interactive services over coaxial and fiber optic cables.

HFC is also called the 2nd generation of CATV systems that use fiber optic cable for the headend and feeder distribution system and coax for the customer’s end connection. HFC refers to a broadband telecommunication network that combines optical fiber and Ethernet cable, which has been utilized globally by cable television operators since the early 1990s. But the 1980s witnessed a breakthrough in cable television network that CATV can be transmitted through the optical fiber. CATV refers to a system of transmitting television signals to subscribers, using radio frequency (RF) signals transmitted through the coaxial cable. In order to have a better understanding of HFC, let’s first get familiar with the CATV network. The purpose of this article is to present a brief introduction to the hybrid fiber coax network. Hybrid fiber coax, as an upgraded community antenna television (CATV) network, might be a great news for them.

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As cable and telecommunication operators are striving to introduce new services to meet the surge in data demand, they must find a plan that evolves their current networks and maximizes their full capacity.

Coax to fibre media converter