Thursday, June 2, 2011

Glossary: ​​Structured Wiring

  • Cabling: It is the collective system of cables, pipes, fittings, labels, and other devices that must be installed to establish a telecommunications infrastructure in a building physically is a single cable network, complete with combinations of copper wire (UTP) , fiber optic cables, terminal blocks, cables terminated at different types of connectors and adapters.




  • Rack: is a compact computer designed to house communications equipment. Her measurements are standardized for compatibility with any manufacturer.




  • Rack unit: a unit of measurement used to describe the height of the equipment ready to be mounted in a 19 or 23 inches wide.




  • Patch Panel: electronic panels used in computer networkcommunications systems so where all the network cables terminate.All input and output lines of the teams will have their connection to one of these panels. In a LAN, the patch panel interconnects computers in a network, turn to outgoing lines that enable the LAN to connect to the Internet.



  • Impact Wrench: It is a tool used to hold the twisted pair cables in the keystone module.



  • Keytone Module: RJ-45 Female Connector.




  • LC Connector (Lucent Technologies Connector) is an optical connector that reduces by half the size of a SC connector, this makes their integration level is very high, so it is increasingly common sight on the switch ports that have LC duplex fiber connectors integrated mini GBIC or SFP modules.


  • SC connector   (Subscriber Connector) SC connectors have replaced the ST mainly in structured cabling, primarily to achieve higher integration density and allow for range-duplex in which the two channels of transmit / receive Tx / Rx can be in the same modular.The SC connector optical connector is considered a third generation, improving size, strength and ease of use with respect to the above.


  • ST connector (Straight Tip) its design is inspired by the coaxial cable connector has a bayonet attachment system that makes this connector a model very resistant to vibration and it is especially suited for demanding environments.


  • Patch Cord: Patch Cord   or   hose is used for the RJ45 connectors used in a network to connect an electronic device to another.




  • Category 6 cable: is a   Standard   of   cables   for   Gigabit Ethernet  and other protocols   Network   that is backwards compatible with standards   Category 5/5e   and   Category 3. Category 6 has features and specifications for   crosstalk   and noise.  





  • Backbone Cabling: The purpose of the backbone wiring is to provide interconnections between service entry rooms building, equipment rooms and telecommunications rooms. The backbone wiring includes the vertical connection between floors in multistory buildings. The backbone wiring includes transmission media (cable), main and intermediate points crossover and mechanical terminations.  


Network Cable Types

- Coaxial cable: A coaxial cable consists of a copper wire core surrounded by an insulator, a braided metal shielding and an outer cover.
- Twisted Pair: In its simplest form, a twisted pair cable consists of two insulated copper wires and intertwined. There are two types of twisted pair cables: cable unshielded twisted pair (UTP) and unshielded twisted pair (STP).
- Fiber Optic Cable: The fiber optic cable carrying the signals are digital data signals as pulses of light modulated.


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