Practice Exam 2 Flashcards
The typical coding diameter for a fiber used in tight-buffered cables is
900 microns
In cordage, what color signifies single-mode Fiber
Yellow
In ANSI/TIA-568-C, 12 colors comprise the fiber color code. What are the twelve in order
Blue, orange, green, brown, slate, white, red, black, yellow, Violet, Rose, aqua
This fiber is designated by 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
Multi mode
Grated index fiber uses numerous concentric layers of glass to reduce _____ dispersion
Modal
Which component of the connector is the optical fibers cladding typically bonded to during the assembly process
Ferrule
The NEC defines a fiber optic cable that is fire retardant and low smoke as a ______ rated cable
Plenum
What is the color of commercial ( non-military ) multi mode cordage
Orange
The gel/tape/powder in a loose tube/buffered fiber cable protects the optical fiber from _______ should the sheath or jacket fail
Water
What does “OFNR” stand for
Optical Fiber Non-Conductive Riser
The NEC considers fiber optic cables which contain non-current carrying conducting members such as metallic strength member, metallic vapor barrier’s, armor or sheath to be ________ cables
Conductive
What type of cable, as defined by the NEC, contains both optical fibers and current carrying electrical conductors within the same jacket
Composite
What is the name of indoor tight-buffered “non-breakout” style cable
Distribution
All connection should be ________ prior to testing
Cleaned
Precision fiber connector ferrules are mostly made out of what materials
Ceramic ( most important )
Aluminus
Zirconia
What pattern of polishing is generally used with a hand polishing technique to minimize surface scratches
Figure Eights
An MPO connector is A recognize connector In the ANTI/TIA-568-C.3 standard
True
An SC connector is a recognized connector in the ANTI/TIA-568-C.3 standard
True
What safety forms must be available in chemicals are used
MSDS- Material Safety Data Sheet
What is the best way to dispose of waste fiber ends
Marked fiber sealed container
The loss resulting from mated fiber and that are not perpendicular to the fibers axis and are not lined up with one another due to a poor cleave angle is an example of _______ loss
Extrinsic loss
Most small form factor connectors use this diameter Ferrule
1.25mm
The NEC is updated every ______ years
3
If the cable has metallic members, what does the NEC require at termination points
Ground
What kind of cable kit branches the fibers contained in a loose tube fiber optic cable into 900 microns outside diameter protective tubes
Fan-out kits
