Dilihat 2218
- How fibers guide light
- Differentiating between core and cladding
- Index of refraction
- Light rays and light waves
- Singlemode fiber (SMF) and multimode fiber (MMF)
- How SMF and MMF are different
- Choosing fiber based upon your communication needs
- Trading ease of use for highest performance
- Planning for the future
- Loss and attenuation of fibers
- Understanding how loss is measured
- Inherent loss factors: scattering and absorption
- The effect of light color on loss
- Using a loss test set
- Budgeting the loss
- Bandwidth: the capacity for information
- Causes of distortion
- Dispersion
- Modes
- When bandwidth is an issue
- Physical sizes of fiber
- Why fibers have different sizes
- The impact of numerical aperture
- Dealing with manufacturing tolerances
- Light sources
- 1st, 2nd and 3rd “windows”
- LEDs vs lasers
- Wavelength division multiplexing
- Detecting light with photodiodes
- Wavelength agility
- How to factor in speed
- What to look for in test instrumentation
- Responsivity: the calibration factor
- Indoor cable
- Structural issues: connection, identification and installation
- Abiding by the fire code
- Why tight buffer is common
- Outdoor cable
- Underground vs aerial cable
- Loose tube
- Ribbon
- Slotted core
- Avoiding moisture contamination
- Benefiting from structured cabling options
- Surveying structured cabling standards
- Vendor interpretations
- Acceptance testing
- Testing continuity: the first step
- Examining cable plant loss
- Locating mismatch problems
- Troubleshooting fiber systems
- Knowing when to troubleshoot
- Common steps to identify the problem
- Sources of difficulty you should know
- Testing fiber paths with OTDR
- Using the OTDR before, during and after cable
- Installation
- Safety concerns
- Interpreting OTDR traces
- Capabilities and limitations of OTDR
- Relying on your own interpretation
- Quality factors
- Throughput and return loss
- Cost differentials
- Durability
- Fresnel reflection and index matching
- Mechanical and fusion splices
- When to consider fusion splicing
- Pros and cons of mechanical splicing
- Identifying different types of connectors (ST, SC, FC, SMA, Biconic, D4, Non-contact and physical contact/PC)
- Practical fiber termination
- Installing ST connectors
- Joining fibers with mechanical splices
- Tuning splices
- Repairing connectors
- Advanced fiber-optic components
- Fiber couplers
- Optical amplifiers
- Wavelength Division Multiplexers (WDM)
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