Term
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Definition
| network cable that has a core surrounded by one or more glass or Perspex strands, which is surrounded by extra fiber strands, or wraps, and a protective outer jacket |
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Term
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Definition
| the angle between the normal and the light ray as light enters the second medium |
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Term
| the main types of optic fiber cables |
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Definition
single-mode fiber
step-index multi-mode fiber
graded-index multi-mode fiber |
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Term
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Definition
| transmits a single beam of light in one direction at a time. provides a bandwidth of up to 30 MHz |
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Term
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Definition
| supports more than one mode of transmitted path for light |
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Term
| total internal reflection |
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Definition
| when light from the core enters the cladding, a step down occurs and all the light is reflected back into the core |
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Term
| step index multi-mode fiber |
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Definition
| contains a core surrounded by cladding. the refractive index of the core-or the speed at which it transmits light is much higher than that of the cladding |
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Term
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Definition
| between 5 and 100 microns thick. light pulses from a laser or high-intensity light-emitting diode are passed through to carry a signal |
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Term
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Definition
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Term
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Definition
| may be placed under the cable jacket to prevent the cable from being squashed and so crimping the fiber core |
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Term
| outer jacket of an optical fiber cable |
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Definition
| is a plastic coating that protects the cable from dirt, UV rays, and water |
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Term
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Definition
| optical fiber cables can transmit data at up to 40,000 Mbps and beyond |
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Term
| transmission distance: single-mode fiber cable |
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Definition
| can transmit data over distance of up to 62 miles between repeaters |
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Term
| transmission distance: Multi-mode fiber |
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Definition
| can usually transmit signals over a maximum of about 500 meters or 1640 feet |
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Term
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Definition
| optical fiber cables support full-duplex transmission |
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Term
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Definition
| optical fiber cables are immune to electromagnetic interference |
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Term
| straight tip ST connector) |
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Definition
| has a straight ceramic center pin with a round bayonet lug lockdown |
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Term
| Subscriber Connector (SC) |
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Definition
| also known as a standard connector, is square and snaps into a square receptacle |
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Term
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Definition
| is round with a strong ceramic or metal center tube, or ferrule, that supports the fiber |
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Term
| Fiber Distributed Data Interface (FDDI) |
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Definition
| also known as a media interface connector-contains two connectors for full-duplex communications and is designed to snap into a receptacle |
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Term
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Definition
| now obsolete, were one of the earliest connector types |
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Term
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Definition
| has a small form factor ceramic ferrule and an RJ45 type latch to secure it to a device |
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Term
| Sub Miniature type A (SMA) |
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Definition
| also known as a Sub multi assembly connector, has a threaded ferrule on the outside of a jacket for locking the connector in place in a waterproof connection |
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Term
| Mechanical Transfer Registered Jack (MT-RJ) |
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Definition
| connects two optical fiber strands in a snap-to-lock connection. also called a fiber jack |
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Term
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Definition
| a device that transmits and receives signals over network media |
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Term
| multimode fiber to Ethernet convertor |
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Definition
| extends an Ethernet network connection over a multimode fiber backbone |
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Term
| fiber to coaxial convertor |
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Definition
| converts signals on fiber to coaxial cable |
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Term
| single-mode to multi-mode fiber convertor |
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Definition
| transmits multi-mode fiber signals over single-mode fiber devices and links |
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Term
| single mode fiber to Ethernet convertor |
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Definition
| extends an Ethernet network connection over a single-mode fiber backbone |
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