Light is electromagnetic energy with ____ frequency and a ______ shorter wavelength - ANSWER Higher then shorter
fiber optics transmission takes place in _____ portion of the light spectrum - ANSWER IR
A simple fiber optic System consist of what 4 parts - ANSWER Transmitter
Light is electromagnetic energy with ____ frequency and a ______ shorter wavelength - ANSWER Higher
then shorter
fiber optics transmission takes place in _____ portion of the light spectrum - ANSWER IR
A simple fiber optic System consist of what 4 parts - ANSWER Transmitter, fiber optic cable, receiver,
connecters
What absolute power is Dbm referenced to - ANSWER 1 milliwatt
Absolute power in optical fiber is specified as - ANSWER Dbm
Attenuation in optical fiber is lowest at what wavelength - ANSWER 1550
What are the three most common wavelength windows used for communication thru optical fibers -
ANSWER 1550, 850, 1300
In North America what year was the first fiber optic telephone system installed - ANSWER 1977
Single-mode fiber optic systems typically use what light source - ANSWER Laser diode
Multimode Fiber optic transmitters typically use what two low cost light sources - ANSWER Led, VCSEL
The typical numerical aperture for 50/125 I'm optical fiber is - ANSWER .200
, One way to reduce modal dispersion is to - ANSWER Use a smaller core
The number of modes in an optical fiber increases as the _____ decreases - ANSWER Wavelength
In ANSI/TIA-589-C twelve colors comprise the fiber color code. What are the twelve in order ? - ANSWER
Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua
This fiber is designed be the ISO/IEC 11801 specification. The fibers designated as OM1 and OM2 are
generally known as ______ fibers and were designed for use with led light sources - ANSWER Legacy
multimode
Graded index fiber uses numerous concentric layers of glass to reduce _____ dispersion - ANSWER
Modal
Which component of the connector is the optical fibers cladding typically bonded to during the assembly
process? - ANSWER Ferrel
The NEC defines a fiber optic cable that is fire retardant and low smoke as a _____ rated cable - ANSWER
Plenum
What is the color of commercial (non military) multimode cordage - ANSWER Orange
The gel/tape/powder in a loose tube/buffered fiber cable protects the optical fiber from ______ should
the sheath or jacket fail - ANSWER Water
What does OFNR stand for - ANSWER Optical fiber non conductive riser
The NEC considers fiber optic cables which contain non-current carrying conductive members such as
metal strength member, metallic vapor barriers, amor or sheath to be _______ cables - ANSWER
Conductive
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 $9.99. You're not tied to anything after your purchase.
