True - ANSWER A fiber optic inspection microscope can increase the danger of high powered light sources by focusing the light out of a fiber into your eye.
True - ANSWER The fiber optic power meter measures absolute power in dBm (dB referenced to 1 mw) and, when used with a light source, measure...
Fiber optics CORRECT QUESTIONS &
ANSWERS(RATED A)
True - ANSWER A fiber optic inspection microscope can increase the danger of high powered light
sources by focusing the light out of a fiber into your eye.
True - ANSWER The fiber optic power meter measures absolute power in dBm (dB referenced to 1 mw)
and, when used with a light source, measures insertion loss in dB.
Total internal reflection - ANSWER Confining light in a material by surrounding it by another material
with lower refractive index is the phenomenon of?
Scattering - ANSWER The largest cause of attenuation in an optical fiber is?
Core size, the diameter in microns - ANSWER When we say 62.5/125 fiber, what does "62.5" mean?
Cladding size, the diameter in microns - ANSWER When we say 50/125 fiber, what does "125" mean?
Has a higher bandwidth which gives more distance capability with gigabit networks - ANSWER An older
multimode fiber design with a 50/125 micron core is now an option in premises cabling systems because
it.
Higher - ANSWER In multimode fiber, the attenuation is ______ at 850 nm than at 1300 nm.
9/125 micron - ANSWER Which of the following represents a singlemode fiber size?
Greater - ANSWER Singlemode fiber has ______ bandwidth than multimode fiber.
, Chromatic dispersion - ANSWER What form of dispersion affects bandwidth in both multimode and
singlemode fibers.
Large core step-index - ANSWER Most plastic optical fibers are ______.
Yellow - ANSWER Premises cable jackets are usually color-coded in what color to indicate singlemode
fiber?
20 times the cable diameter - ANSWER The minimum bend radius for a cable while pulling (under
tension during installation) is ______.
Use a breakaway swivel or monitor tension
Lubricate the cable
Pull from the center to the ends - ANSWER When pulling long lengths of cable in conduit or innerduct,
you may need to ______.
To prevent water from entering the cable - ANSWER In a loose tube buffer cable, gel or absorbent tape is
normally used ______.
Tight buffer - ANSWER When flexibility and ease of termination are a priority, the type of cable best
suited is:
Loose tube (loose buffer) cable - ANSWER What type of cable may require installation of a breakout kit
(also called a furcation or fan out kit) for termination?
Can harm cables if too tight, so they should be hand-tightened - ANSWER Cable ties used on fiber optic
cables ______.
High mechanical strength and low loss - ANSWER Fiber optic joints (connectors or splices) should have
______.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller shantelleG. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
