Fiber To Home

Fiber-To-The-Home (FTTH)

"How Fiber to the Home Works"

FTTH In an FTTH (Fiber-to-the-Home)system, glass fiber cables go directly from the Internet backbone to the user’s premises, using high-speed pulses of light to transport information. Fiber-optic cables have large bandwidth (speeds greater than 2.5 gigabits per second).

More and more, both traditional phone companies and start-up companies are installing FTTH to deliver broadband services, particularly in areas with new residential and commercial construction. Companies with older copper networks are, in some cases, overlaying copper-wired networks with new FTTH systems, then removing the old networks. Two types of FTTH architectures are currently used: Pointto- point and passive optical network (PON).

Point-to-point providers install an optical transceiver in the provider’s central office for each customer. Fiber-optic cable then connects the central offi ce to the customer’s premises, much like a telephone line. PON is a fiber optic network without active electronics, such as repeaters. A PON uses passive splitters to deliver signals to multiple terminal devices using a tree structure transmission network. PON systems use transceivers with splitters that may be located as far as 30,000 feet from the provider’s central offi ce. An optical electrical converter (OEC) installed on or near the customer’s property converts the optical signal to an electrical signal, allowing it to connect to the end user.

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