Media connectors

Media connectors

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A variety of media connectors are used in a network. A media connector attaches to the transmission media and allows the physical connection into the computing devices. It is necessary to identify the connectors associated with the specific media. Some of the media connectors are described below:

RJ-11 (Registered Jack)

RJ-11 is the most familiar of the registered jack connectors. RJ-11 type of connector is most often used for telephone wire terminals. An RJ-11 connector has only four conductors. It is used to connect telephone cables to a telephone set or to a modem. RJ-11 connectors are used with two standard varieties of wirings- untwisted (flat-satin cable) and Unshielded Twisted Pair (UTP).



RJ-45 (Registered Jack)

RJ-45 is a type of connector similar to an RJ-11 telephone connector but is larger in size because it has eight conductors. An unshielded twisted-pair (UTP) connection uses an RJ-45 connector and is used in computer networks.



F-Type

An F-type connector is a threaded medium performance coaxial signal connector, which is used in TVs and VCRs. The pin of the connector is actually the center conductor of the coaxial cable. It is an inexpensive connector.



ST (Straight Tip)

A straight tip (ST) connector is a fiber-optic connector used with multimode fiber. An ST connector has a 2.5mm shaft and bayonet locking ring, and allows quick connect and disconnect of 125 micron multi-mode fiber.



SC (Subscriber Connector or Standard Connector)

A subscriber connector (SC) is a fiber-optic connector used with multimode fiber. It is a square shaped connector used for terminating fiber optic cables.



IEEE 1394 (FireWire)

The IEEE 1394 (FireWire) connector is used with the FireWire serial bus. FireWire can transmit data at a very high speed of 400Mbps. Two types of connectors are available in this category, namely 4-pin and 6-pin.



Fiber LC (Local Connector)

The LC connector was developed to meet the need for small and easier-to-use fiber optic connectors. The LC connector reduces space required on panels by 50%.



MT-RJ (Mechanical Transfer Registered Jack)

The MT-RJ connector is the most recent type of small form factor fiber optic connector. The MT-RJ fiber connector is less than half the size of the SC duplex connector and transceiver, so it doubles the port density of fiber-optic LAN equipment. The connector is a 2-fiber connector and takes up no more room than an RJ-45 jack.



USB (Universal Serial Bus)

A Universal Serial Bus (USB) connector is used with the USB cable for connecting various electronic devices to a computer. USB supports a data speed of up to 12 megabits per second. Two types of connectors are used with USB, namely USB-A Type and USB-B Type.

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