Exam (elaborations)

CFOS/T

0 purchase

Course
CFOS/T

Institution
CFOS/T

Which connectors are acceptable in a fiber optic plant FOCIS What does OLTS stand for? Optical loss test set Fiber optic cable is sometimes tested for what before its installed? Continuity Difference between visual fault locator and tracer? Amount of optical power put into the fiber What can...

[Show more]

Preview 2 out of 5 pages

View example

Uploaded on February 18, 2025
Number of pages 5
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

cfost

Institution CFOS/T
Course CFOS/T

learndirect Member since 10 months 30 documents sold

$9.99

Add to cart

Save

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

CFOS/T
Study online at https://quizlet.com/_bg3548

Which connectors are acceptable in a
FOCIS
fiber optic plant
What does OLTS stand for? Optical loss test set
Fiber optic cable is sometimes tested for
Continuity
what before its installed?
Difference between visual fault locator
Amount of optical power put into the fiber
and tracer?
What can find breaks in fibers too close
Visual Fault Locator
to be seen by an OTDR?
Best way to examine a connector? At an angle
What is done before inspecting a con-
Ensure no power is present
nector with a microscope?
What would happen if you inspected a
Small scratches look worse than they ac-
connector with excessively high magnifi-
tually are
cation?
Where are scratches or defects a prob-
Anywhere on the core
lem?
What is the most basic measurement in
Optical Power
fiber optics?
Loss of 20dB is what reduction in power? 100x reduction in power
Loss of 3dB is what reduction in power? 50% reduction in power
Formula for Attenuation? 10, 2, 1
0dBm is equal to? 1 milliwatt
What does the 'm' in dBm represent? milliwatt
Which of the following will not affect loss? Meter Calibration Wavelength
Why do fiber optic power meters mea-
Measures loss directly
sure loss in dB?
What does 0 dB show? Loss & Reflectance
What specification is optional when
Display resolution
choosing a power meter?
Standard for testing optical power FOTP-95

1/5

, CFOS/T
Study online at https://quizlet.com/_bg3548
Why is insertion loss testing the required
Approximates how system will be used
method to be used?
Largest cause of uncertainty in testing
Modal Distribution
MM fiber is?
Normal method used for insertion loss
Double Ended
testing
Insertion loss testing method used for
Single Ended
testing one connector at a time?
Testing standard for patch cords? FOTP-171
Testing standard for installed MM Fiber? OFSTP-14
Mismatching a 50micron fiber with a 62.5
Excessive Loss
reference cable causes?
What causes a 'gainer' in insertion loss
Dirt on connectors during reference set-
testing with light source in power meter?
ting
(Different than gainer in OTDR Testing)
What are the three options for how you
1, 2 & 3 Cable
set 0db reference?
Allowance for loss in a connector? .75dB
Allowance for loss in a splice? .3dB
What component inserts a measured
Attenuator
loss into a length of fiber?
How do we control Modal Distribution? Mandral Wrap
What is the loss of a MM fiber @850 3.5dB/km
What is the loss of a MM fiber @1300 1.5dB\km
Fiber type and wavelength most suscep-
SM 1550
tible to stress?
If you test 2km MM fiber @850 & @1300
and have 7dB of loss on both what can Stressed
be said about the fiber?
How do you stop the OTDR from over-
Launch Cable
loading the fiber?
Backscatter
2/5

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 learndirect. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73118 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Seller

Class notes ·

Exam (elaborations)

CFOS/T

Document information

Subjects

Written for