Fiber Types
What does SMF stand for?
Single Mode Fiber
Which connector is common for LANs?
LC connector
What does "tight buffer" mean?
Fiber coated directly with a protective buffer
What does VFL stand for?
Visual Fault Locator
What is fusion splicing?
Welding fibers together using an electric arc
What does MMF stand for?
Multimode Fiber
What connector is round twist-lock?
ST connector
What is a loose tube cable?
Fibers are inside small tubes for protection
What tool measures optical loss?
OLTS (Optical Loss Test Set)
What is mechanical splicing?
Aligning fibers inside a mechanical sleeve
Which fiber type is used for long distances?
Singlemode Fiber
What connector is square-shaped?
SC connector
Which cable type is used outdoors?
Loose tube cable
What does an OTDR show?
Splices, breaks, loss points in fiber
What is a pigtail?
A short fiber with a connector on one end
Which fiber uses LEDs?
Multimode Fiber
What is a duplex connector?
A connector that carries two fibers
What is armored cable used for?
Protection from physical damage
What is insertion loss?
Loss of signal power at a connection
What is the purpose of a splice tray?
To organize and protect spliced fibers
What color is SM fiber jacket?
Yellow
Name one fiber connector with a ferrule.
LC, SC, ST, or FC
What is a breakout cable?
Cable with multiple jacketed fibers inside
What is back reflection?
Light reflected back toward the source
Why do we polish connectors?
To reduce loss and back reflection