Chapter 3 WDM Optical Fiber Systems

What is Wavelength Division Multiplexing (WDM)?

• A technique for reducing signal loss in fiber optics.

• A process for converting light into electrical signals.

• Wavelength Division Multiplexing (WDM) is a technology that enables the simultaneous transmission of multiple data signals over a single optical fiber using different wavelengths of light.

• A method for increasing bandwidth by using electrical signals.

What is a Passive Optical Network (PON)?

• A Passive Optical Network (PON) is a fiber-optic network that uses passive components to connect multiple users to a single optical fiber.

• A Passive Optical Network (PON) is a wireless network that connects users via radio signals.

• A Passive Optical Network (PON) is a type of copper network that requires active components for signal amplification.

• A Passive Optical Network (PON) is a satellite-based communication system for global internet access.

List the main components of a Passive Optical Network.

• Optical Transceivers, Optical Network Units (ONUs), Optical Network Terminals (ONTs), passive optical splitters

• Optical Fiber Amplifiers, Optical Line Terminal (OLT), Optical Network Units (ONUs), Optical Network Terminals (ONTs)

• Active Network Devices, Optical Network Terminals (ONTs), passive optical splitters

• Optical Line Terminal (OLT), Optical Network Units (ONUs), Optical Network Terminals (ONTs), passive optical splitters

What are the five categories of PON?

• FPON, APON, BPON, EPON, 10G-PON

• LPON, APON, GPON, EPON, 10G-PON

• XPON, BPON, GPON, EPON, 10G-PON

• APON, BPON, GPON, EPON, GEPON 10GPON

Explain the concept of Fiber-in-the-Loop.

• Fiber-in-the-Loop is a wireless communication technology.

• Fiber-in-the-Loop (FITL) is a telecommunications architecture that connects fiber optic cables directly to the end-user, enhancing bandwidth and reducing latency.

• Fiber-in-the-Loop refers to a type of copper cable used in telecommunication.

• Fiber-in-the-Loop is a method for storing data in cloud servers.

What is Fiber-to-the-Home (FTTH)?

• A method for delivering internet via satellite

• A service that only provides telephone connections

• Fiber-to-the-Home (FTTH) is a technology that delivers high-speed internet and other services directly to homes using fiber optic cables.

• A type of broadband using coaxial cables

What safety measures should be taken during fiber installation?

• Use any tools available

• Ignore electrical hazards

• Install without training

• Wear PPE, handle cables carefully, maintain a clean work area, follow electrical safety protocols, and provide training.

What are the differences between FTTH, FTTB, FTTC, and FTTP?

• FTTT: Fiber to the Terminal,
  FTTB: Fiber to the Building;

  FTTC: Fiber to the Curb;

  FTTP: Fiber to the Premises.

• FTTT: Fiber to the Tree
  FTTH: Fiber to the Home;

  FTTC: Fiber to the Curb;

  FTTP: Fiber to the Premises.

• FTTH: Fiber to the Home;

  FTTB: Fiber to the Building;

  FTTC: Fiber to the Curb;

  FTTP: Fiber to the Premises.

• FTTH: Fiber to the Tower,
  FTTH: Fiber to the Home;

  FTTB: Fiber to the Building;

  FTTC: Fiber to the Curb;

What role do Optical Network Terminals (ONTs) play in FTTH networks?

• ONTs convert electrical signals into optical signals for transmission.

• ONTs are used to amplify signals in copper networks.

• ONTs serve as the main router for wireless connections.

• ONTs are only used for testing fiber connections.

What is the primary function of an Optical Line Terminal (OLT) in a Passive Optical Network?

• To convert optical signals into electrical signals for user devices.

• To manage and control the data traffic in the network.

• To amplify signals for long-distance transmission.

• To serve as a backup power source for the network.