What is HFC in networking?
What is HFC in networking?
(Hybrid Fiber-Coax network) A communications network (typically a cable TV network) that uses a combination of optical fibers and coaxial cable. The fiber provides the high-speed backbone, and the coax is used to connect end users to the backbone.
What are the active elements of hybrid Fibre coaxial access network?
Trunk coaxial cables are connected to the optical node and form a coaxial backbone to which smaller distribution cables connect. Trunk cables also carry AC power which is added to the cable line at usually either 60 or 90 V by a power supply (with a lead acid backup battery inside) and a power inserter.
What is a HFC plant?
Hybrid fiber coax (HFC) is the term that describes the service delivery architecture used by cable operators and multi-system operators (MSO).
Is HFC the same as cable?
A HFC (hybrid fibre coaxial) connection is basically the same as a cable connection. Historically, this type of connection has been used to provide services like Foxtel. HFC is similar to FTTN in that optic fibre is used to a central node.
Is HFC better than FTTP?
Unlike other fixed-line technology types like FTTC and FTTB, both of which bring fibre closer to the home, an HFC upgrade to FTTP is likely to be more expensive because it will factor in the cost of running cable from the nearest neighbourhood fibre node to your home.
Where is HFC used?
Many are colourless, odourless gases, but some—such as HFC-365mfc (1,1,1,3,3-pentafluorobutane)—are liquids at room temperature. As refrigerants, HFCs are used in a wide variety of cooling systems, from refrigerators and freezers to automotive air-conditioning units.
What is HFC architecture?
Hybrid fiber coax (HFC) is the term that describes the service delivery architecture used by cable operators and multi-system operators (MSO). The architecture includes a combination of fiber optic cabling and coaxial cabling to distribute video, data and voice content to/from the headend and the subscribers.
What is the full form of HFC?
Hydrofluorocarbon (HFC), any of several organic compounds composed of hydrogen, fluorine, and carbon. HFCs are produced synthetically and are used primarily as refrigerants.
Which is faster HFC or FTTC?
HFC vs FTTC While FTTC is our silver-medal pick in terms of NBN technologies, HFC is an incredibly close contender to FTTC in terms of the percentage of maximum plan speed delivered during the internet’s busy period (usually between 7pm to 11pm daily), according to regularly updated ACCC data.
Is HFC faster than Fibre?
HFC (used to be called FibreX until the ComCom got grumpy) is fibre to the edge of the property, then a coax cable from the house to the fibre cable. Technically lower speeds than fibre to the house but you might not notice the lag depending on your current fibre speed.
Will HFC be replaced?
NBN announced in September that it would be replacing the Optus HFC footprint with its FttDP network, with up to 700,000 premises to be covered by the new network technology, after a leaked NBN draft in November 2015 revealed that Optus’ HFC network is “not fully fit for purpose”.
Is HFC faster than fibre?
How are HFC networks used in the cable industry?
Over the next several years you will see changes in how the cable industry will leverage HFC networks. As an industry we plan to leverage our coaxial cable networks for the long-term future. In doing so we will ensure that all operators from across the globe can have this same long-term plan in place as an option.
Where are the hubs in a HFC network?
In the case of an HFC network, headend or hub locations house the core transmission equipment and components necessary for the various service offerings. Fiber optic connections extend from these hubs to multiple nodes, each of which serves a given geographical area (e.g., a neighborhood).
How are voltage drops created in a HFC network?
In an HFC network, active devices and cable sections create voltage drops and thus consume power. In a resistive network, the sum of all voltage drops (active and cable) equals the supply voltage. In reality, this condition only occurs (all power absorbed by the load) when the load is purely resistive (has no inductive or capacitive components).
What do you need to know about HFC AC?
At the most basic level, to determine the voltage drop between system actives along with load voltages at each active, we need the following information: The length of each cable segment. The DC loop resistance of each cable segment. The total current carried in each segment, which ties to the power-current requirements of each active component.