Progression: Maintenance Tech II - III Conventional Exam | Questions & Answers (100
%Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With
Expert Solutions
In what applications is a splice closure used? - Splice Closures are used to protect optical fibers and
splices against a full range of environmental changes in aerial installations or below ground in vaults.
When preparing a fiber-optic cable for splicing, what is the purpose of removing approximately 2.5 cm
(1 inch) of jacket and any armor that is present, from the end of the cable? - To access the cables rip
cord and to check the cutting depth of the knife or ringing tool.
What does water do to the glass core of an optical fiber? - Water causes the glass core of the optical
fiber to become opaque, which degrades the signal as its transported through the fiber.
When preparing a splice closure, what should be done with the fiberglass rod strength member that
runs down the center of loose-tube fiber optic cable? - Trim the strength member back for convenience,
but leave it long enough to be tightly clamped to a strain-relief lug in the closure.
What is the purpose of splice trays inside splice closures? - Splice trays are designed to provide
protection for mechanical splices, fusion splice protectors, and optical splitters as well as provide
storage for the required fiber slack.
How should the buffer tubes be secured in the closure? - The buffer tubes should be secured with tie
wraps to allow slight movement without pulling or stressing the optical fibers.
How are optical splices secured in a splice tray? - Retaining clips hold optical splices in place in a splice
tray.
What is the Purpose of Buffer tubes in a fiber optic cable? - Buffer tubes protect and separate the
optical fiber in smaller bundles
When splicing fiber-optic cable, why is it a good safety practice to clean off fiber strippers and other
hand tools after each use? - To prevent the accidental transfer of fiber debris or fiber chips onto clean
hands.
, Where would you expect to install a mid-entry splice in a fiber-optic cable network? - A location where a
select number of optical fibers need to be spliced, and the remaining buffer tubes and fibers remain
untouched.
Which type of fusion splicer is ideal for fiber-to-the-x (FTTx) splicing? - The fixed V-Groove splicer.
When would a mid-entry splice in a fiber-optic network be used? - In a self-healing ring network that
requires only two fibers to feed an optical fiber drop.
What is required of mechanical splices used for acceptance testing? - A mechanical splice used for
acceptance testing should be simple to use and reusable.
What are some prerequisites before performing a fusion splice of optical fibers? - A controlled
environment such as a splicing van, trailer or tent and a stable work surface that is large enough to
accommodate the fusion splicer, tools, and the splice closure.
Why are Velcro straps preferred over standard plastic tie wraps when bundling pigtails for storage in a
splice panel? - Because Velcro straps are removable and can hold the pigtails together without placing
undue strain on the optical fibers
When preparing fiber-optic cable for connection to a patch panel, how much buffer tube and fiber slack
should be provided? - Leave enough slack in the buffer tubes to allow the splice trays to reach the
splicing equipment and enough fiber slack to store on individual trays for later additions, moves and
changes
If tight-buffered distribution fiber optic cable is installed between the master splice panel in an optical
entrance enclosure (0EE) and a rack-mounted fiber-optic distribution panel, where in the facility must
the distribution panel be located? - The distribution panel can be located anywhere in the facility since
the distribution cable complies with indoor code requirements for riser or plenum installations.
The quality and attenuation value of a mechanical splice of optical fibers is dependent on which tool
during the preparation process? - The quality and attenuation value of the mechanical splice of optical
fibers is dependent on the quality of the cleaving tool.
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