What is DSL Internet

DSL (Digital Subscriber Line) Internet Service

DSL is a type of high-speed internet service that uses telephone wires instead of cable TV networks. DSL offers much faster speeds than dialup connections, and many people use it over their phone line rather than cable. You may have heard about ADSL (Asymmetric Digital Subscriber Line), where only half of the connection speed is provided at once. There are two types of DSL services: symmetrical and asymmetrical. Symmetrical means both parties share the same bandwidth. Asymmetrical means each party gets a different amount of bandwidth.

DSLAM (Digital Subscriber Loop Access Multiplexer)

A DSLAM is a device that connects a DSL modem to a local loop. A local loop is the copper wire between your home and the central office. Your DSLAM converts digital data to analog signals and sends them over the local loop. At the other end, the DSLAM receives the analog signal and converts it back to digital data.

DSL Modem

A DSL modem is a piece of equipment that connects your computer to the internet via a DSL connection. Most modems connect directly to the wall outlet, but some models plug into Ethernet ports. If you’re using a wireless router, make sure it’s compatible with DSL technology.

Local Loop

The local loop is the copper wiring between your house and the central office. It carries voice and data traffic.

Central Office

The central office is the place where the local loops meet. It’s where the phone company stores its equipment and provides service to customers.

POTS (Plain Old Telephone Service)

POTS is the original way to get online. It was invented in 1876 and works by converting voice signals to electrical impulses and sending those impulses over the phone network.

Phone Network

The phone network consists of switches, routers, and servers that route calls across the country.

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