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Slide 1
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 1 LightMASTER Certified Fiber Optic Training
Slide 2
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 2 LightMASTER Course Outline Fiber to the Home (FTTH)
Architecture The Basics of Fiber Optics Optical Waveguides
Transmission Characteristics Optical Link Components Fiber Optic
System Design Safety and Handling Procedures Termination Methods
Test and Measurement FOI Examination Preparation Lab # 1 Fabricate
and Test a 2 meter Multimode ST to ST Jumper Lab # 2 Fabricate and
Test a 2 meter Multimode ST to SC Jumper Lab # 3 Fabricate and Test
a 2 meter Singlemode ST to FC Jumper Lab # 4 Perform and Validate a
Mechanical Splice Lab # 5 Perform and Validate Fusion Splices Lab #
6 Utilize a Singlemode OTDR for Troubleshooting a Fiber Link
Slide 3
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 3 Local Loop Distribution 1 st Generation Copper
Distribution Feeder Cable (600-3600 prs.) Drop Wire Distribution
Cable (100-1200 prs.) 2nd Generation Metallic Pair Gain Pair Gain
System 2 pr. T-1 Circuit (2-6 miles) 12,000 ft. or less CSA loops
18,000 ft. or less analog loops Analog/Digital Digital/Analog
Mux/Demux Digital Loop Carrier Optical/Electrical Analog/Digital
Digital/Analog Mux/Demux 12,000 ft. or less CSA loops 3rd
Generation Fiber Pair Gain Central Office Fiber Feeder (5-20 miles)
OC-n CSA = Carrier Serving Area
Slide 4
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 4 The Electromagnetic Spectrum 10 468 121416182022
Frequency (cycles/sec) 30,000 m 3 m0.3 mm 3 um 0.3 nm 3 x 10 -12 m
Wavelength 0.40.50.60.70.80.91.01.11.21.31.41.51.6 Optical Fiber
Low Loss Region Wavelength ( m) Gamma
RaysX-RayUltravioletInfraredRadioMicrowaveAudio Visible Energy
Visible Region
Slide 5
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 5 Numerical Aperture The Numerical Aperture or Cone of
Acceptance is a measure of the light gathering ability of an
optical fiber. The greater the NA, the greater the acceptance angle
and more light will be coupled into the fiber. Core Cladding NA =
sin Acceptance Cone
Slide 6
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 6 Attenuation vs. Wavelength 700 800 900 1000 1100 1200
1300 1400 1500 1600 1700 Wavelength (nm) 9 8 7 6 5 4 3 2 1 10 0
Attenuation (dB/km) 3 rd Window 2nd Window1 st Window 4th Window OH
- Spectral Loss Curve Low-Loss, High Silica, Multimode Fiber
Slide 7
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 7 Transmission Formats Point to Multi-Point - Full Duplex
TX 1 x N Coupler TX RX........ Wideband Couplers N = 16 or 32 TX RX
850 nm 1300 nm
Slide 8
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 8 Fiber Cable - Outdoor Loose Tube Outer Jacket Gel
Moisture Layer Central Strength Member Loose Buffer Tube Fiber
Bundle Tensile Strength Member Inner Sheath
Slide 9
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 9 Fiber Optic Connectors - SC Subscriber Connector (SC)
Very popular connector style introduced in the early 1990s Used in
both telco and datacom applications Singlemode and Multimode 2.5mm
Ferrule Size Keyed, Spring-loaded Style Push-Pull Design
facilitates use in High-Density Applications Easy to field
terminate, reasonable cost
Slide 10
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 10 Fiber Optic Splicing Fusion Splicing XX yy V-groove
Side View Precision V-groove Imaging Optics Electrodes Cleaved
Fibers Fusion Splicer Block Diagram Electric Arc
Slide 11
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 11 Connector Ferrule Shapes Air Gap 0.5 dB Loss 20 dB
Return Loss Physical Contact 0.3 dB Loss 30 dB Return Loss Convex
PC 0.3 dB Loss 40 dB Return Loss Angle PC 0.3 dB Loss 60 dB Return
Loss 8 deg. angle
Slide 12
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 12 Optical Loss Test Set Single Jumper Method 1300 nm
Multimode Optical Source On/ Off 4.62 dB Optical Power Meter Ref
Cable Under Test MQJ Connector Adapter Step Four Disconnect the MQJ
from the Power Meter and connect to one end of the cable under test
using a connector adapter. Step Five Connect the other end of the
cable under test to the Power Meter. Step Six Read the loss in dB
directly from the Power Meter display.
Slide 13
SAMPLE LightMASTER Certified Fiber Optic Training 2005, Michael
P. Kovacs 13 OTDR Waveform Trace Measuring Event Loss Reflective
Event Non-reflective Event A Cursor B Cursor Distance (ft or m)
Loss (dB) A Cursor B Cursor Loss (dB) OTDR set to dB Loss mode