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It can be either or depending on the circuit, here's a link that will help you more:

http://communication.howstuffworks.com/fiber-optic-communications/fiber-optic.htm

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14y ago

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Can dedicated lines be either analog or digital?

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Can optic ADSL function with optical fiber?

Optic ADSL, or Asymmetric Digital Subscriber Line, typically does not function with optical fiber as it is designed to work over traditional copper telephone lines. ADSL uses electrical signals transmitted over these copper lines to provide internet access. In contrast, fiber optic technology uses light signals transmitted through optical fibers, offering faster speeds and higher bandwidth. For fiber optic connections, technologies like FTTH (Fiber to the Home) or FTTC (Fiber to the Cabinet) are used instead of ADSL.


What Following statements accurately describes how a modem works?

A modem (modulator-demodulator) converts digital data from a computer into analog signals for transmission over telephone lines or other communication mediums. It modulates digital signals into analog form for sending and demodulates incoming analog signals back into digital data for the computer. This process enables devices to communicate over various types of networks, such as DSL, cable, or fiber-optic connections. Essentially, the modem serves as a bridge between digital devices and the analog transmission infrastructure.


How does modern work for computer?

you mean modem? MO-DEM MOdulation / DEModulation. It turns your digital signal into analog, so it can go thru the phone lines to your isp, and then from the phone lines to their server, it converts the analog signal back into digital.


Why is a modem needed for analog telephone lines?

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What kind of lines consist of two digital channels over the same copper wire used by regular analog telephones?

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