Fttx basics conventional

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The National Electrical Safety Code requires drop cables to be placed at what minimum depth?

18"

What should be used to cut the fiber drops buffer tube?

A tube cutter

What should be used to remove the protective gel from exposed fibers in drop cable?

An approved alcohol swab

How are optical splitters used in the forward path?

In the forward path, optical splitters are used as passive branching devices that divide an optical signal across multiple output fibers.

The job of the drop fiber transceiver is to

Convert light to RF and RF to light

What is the best approach to repairing an aerial fiber optic drop cable for fiber to the user (FTTX) applications?

Replace the drop cable

When a pew connectorized fiber is not attached to equipment, what should be attached to help keep it clean?

A dust cap

When should you take the RF reading out of the RF out port of a fiber optic drop transceiver?

After power supplies are connected and powered for the optic transceiver

What is the difference between the fiber to the node (FTTN) and fiber to the curb (FTTC) topologies?

An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises.

Heat shrink tubing is installed over the fusion splice to strengthen and protect it. When should the heat shrink be installed on the fiber?

Before stripping the plastic coating from the fiber

What is one reason why broadband cable operators install a fiber optic cable in stages instead of changing the infrastructure all at once?

Changing the infrastructure all at once would cause too many service disruptions.

Which type of star topology used in a passive optical network (PON) places the (PON) splitters into fiber access terminal (FAT) located deep in the network and closer to the customer premises than the centralized split?

Distributed star.

Which of the following describes a fiber pigtail?

Fiber optic cable with pre connectorized ends.

Which element of a passive optical element (PON) uses patch panels?

Optical distribution network (ODN)

Which element of a passive optical network (PON) uses a Bragg grating filter?

Optical line terminal (OLT).

Which of these components is used in a passive optical network?

Optical splitters

A wavelength optical power meter is most commonly used in

Point to multipoint FTTX installations

What is it about radio frequency over glass (RFoG) that made broadband cable operators envision using it to make a seamless transition from the legacy hybrid fiber/coax (HFC) architecture over to a gigabit capable passive optical network (GPON) or ethernet passive optical network (EPON)?

RFOG can operate in parallel with GPON or EPON, which eliminates the need for any downtime during the transition

Once fiber is spliced, the proper way to handle it is by

The heat shrink sleeve that has a steel bar inside it


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