• Optical Fiber Play all

    Information about optical fiber for use in premises applications
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  • Fiber Testing Play all

    Fiber-based systems must be tested after they are installed to ensure that it is operating to the specified performance parameters and loss budget.

    Tier 1 testing ensures system performance and integrity.

    The Tier 1 tests consist of link attenuation testing, link length and a polarity check. During the attenuation testing, each link is measured for attenuation with an optical loss test set (OLTS) or a light source and power meter (LSPM). This most accurately characterizes total system capability. Fiber length measurement can be achieved optically (OLTS or OTDR) or calculated by using cable sheath markings. Polarity is verified either with an OLTS/LSPM or a visible fault locator (VFL).

    Tier 2 testing is a supplement of Tier 1 testing with the addition of an OTDR trace of each fiber link. OTDRs provide in-depth signature traces (pictures) of fiber links, which show normal cable/fiber attenuation, insertion loss and reflection at the connectors, splice points, and unanticipated loss events, such as bends and breaks.
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  • Cabling Standards Play all

    These videos help explain the different structured cabling standards.

    The Telecommunication Industry Association (TIA) TR-42 committee creates standards for telecommunications cabling infrastructure.

    The International Organization for Standardization (ISO/IEC) has technical committees focusing on networking.

    The Institute of Electrical and Electronics Engineers (IEEE) most notable cabling standard is the 802.3 Standard for Ethernet -- Standards for Ethernet based local and metropolitan area networks.
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  • Passive Optical LANs Play all

    Passive Optical LANs (POLs) are optical networks that use point-to-multipoint fiber in the enterprise in which unpowered optical splitters (rather than active components) are used to enable a single optical fiber to serve multiple premises. POLs are also called Passive Optical Networks.

    These videos include information on enterprise POL solutions including architectures, fiber types, and the use of splitters.

    Different types of PONs include Ethernet Passive Optical Networks (EPON), asynchronous transfer mode PONs (APON) and generic framing PONs (GPON).
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  • Data Centers Play all

    Data Centers represent one of the fastest growing sectors for the deployment of optical fiber. Data centers must support extremely high data rates and operate with the utmost reliability. Optical fiber helps support these data rates and also helps data center managers reduce the two enemies of reliability: heat and power consumption.

    The electronics used to run data centers generate a significant amount of heat and the faster they run, the more power they consume and the more heat they produce. Getting rid of heat requires air conditioning which can consume as much power as the data center electronics!

    Optical fiber solutions run significantly cooler than copper cables, so in addition to supporting higher data rates, they allow for higher density connections, take up less rack space, and generate less heat.

    Data centers, multimode optical fiber, singlemode optical fiber, mtp connectors
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