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Table Of Contents  CertiGuide to A+ (A+ 4 Real)
 9  Chapter 13: Basic Networking Terminology
      9  Cables and Fibers
           9  Fiber Optic Cabling

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SingleMode/MultiMode Fiber
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Fiber-Optic Connectors

Once a fiber-optic cable termination has been made, it must be connected to the end-point device. There are a number of different types of fiber-optic connectors.

While fiber-optics has not found common use in everyday life, fiber-optics has been in use long enough to have a legacy connector. That connector type is known as the SMA connector. The SMA connector features a threaded cap and housing. It has been replaced in large part by the ST connector.

Figure 426: SMA905 and SMA906 Connectors

 


The ST connector is the most common connector in use today. The ST is popular both in buildings and finds use in the field. The bayonet mount uses a keyed coupling and utilizes a push/twist installation that prevents over-tighting and subsequent damage of the fiber-optic end. The ST connector is used with both SingleMode and MultiMode fiber. The shape and connection method is similar to a BNC connector (as used for 10Base2 cable connections).

Figure 427: ST Fiber Connector

 


STConnectors

Be able to visually identify the duplex ST connector.


One of the newest connectors in the fiber-optic world is the SC connect. The SC connector is a push-pull connector and while commonly used with SingleMode fiber, there are versions that also work for MultiMode fiber as well. The SC connector can be found as a single connector designed to hold a pair of fiber optic strands and is known as the SC Duplex connector.

In this new century, the LC connector is getting a lot of attention. Check the following for some cool LC pictures! Pre-polished cables, crimpers and more await you. http://www.ampnetconnect.com/documents/LightCrimp_Plus_Data_Sheet_1307099_%28040827%29.pdf

Another connector to be familiar with is the Fiber Distributed Data Interface (FDDI) connector. An illustration of one is shown in Figure 428.


Figure 428: FDDI Connector

 


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SingleMode/MultiMode Fiber
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OSI Reference Model and Networking Protocols and Technologies
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