Wiring Cable On Routers

Wiring

When we talk, so that the voice we speak can reach the ears of the colleagues we are talking to, we need a transmission medium, in this case air. Every computer network also requires a transmission medium. There are many transmission media for computer networks, can use cable media, radio waves / wireless, infrared, bluetooth, or currently the popular use of light media (fiber optic). Most of the transmission media used today are cable types. Each type of cable in particular has different capabilities and specifications, therefore the introduction of cable types is made.


Twisted Pair Cable


Twisted-pair cable is a type of cable used for telephone communications and most modern Ethernet networks. A pair of cables forms a path that can transmit data. The pairs are wrapped around each other to provide protection against "crosstalk," or interference generated by adjacent pairs of wires. When an electric current flows through the wire, it creates a small circular magnetic field around the wire. When two wires in an electrical circuit are placed close together, and their magnetic fields are the opposite of each other, the two magnetic fields cancel each other out. The pair of wires will also remove any magnetic fields coming from outside the wire. Twisting the cables increases the mutual elimination effect of magnetic fields and can effectively provide protection to network cables. There are 2 general types of twisted-pair cable, unshielded twisted pair (UTP) and shielded twisted pair (STP).



Patch Cord




UTP


UTP cable is a transmission medium consisting of 4 pairs of wires. UTP cables are used in various networks. Each of the eight individual copper wires in the UTP cable is covered by an insulating material. Additionally, the wires in each pair are wrapped around each other.



Utp Cabel


UTP cables are often combined using the Registered Jack 45 (RJ-45) connector. RJ-45 is an eight-wire connector that is usually used to connect computers to a local-area network (LAN), especially Ethernet.


Rj 45



UTP cables have four pairs with a copper wire size of 22 or 24 gauge (gauge is the standard measuring cable). One of the factors that distinguishes UTP cables from other cables is that the UTP cable has an impedance of 100 ohms. although in the past UTP cables were said to have slow transfer speeds, in their development they are now able to pass traffic up to 1 Gbps. The maximum length of the UTP cable is 100 meters.


STP


Almost the same as UTP, only each pair of wires is wrapped in metal foil. The four pairs of comrades will be wrapped again in metal foil or metal fibers. The aim is to reduce disturbances such as electric noise, magnetic fields, etc. STP can be combined with the STP Data Connector or it can be RJ45. The maximum length of the STP cable is 100 meters. Because it is more resistant to noise, STP cables are more widely used for outdoor applications, such as cables leading to the AP on the tower.



STP Cable


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