IBM (International Business Machines Corporation) introduced such a distinction of all the devices. Yet, they are useful for other applications also.Crossover Cable is simply related to the connection of two devices of the same technology or systems like DCE-DCE or DTE-DTE, basically connecting asymmetrical devices like DTE-DCE cables are known as cross-link cables. RJ45 cables are commonly used in Ethernet connections. But, CAT cables are commonly referred to as RJ45 cables or Ethernet cables. The RJ45 is a connector, while CAT6 (CATEGORY 6) is a model of twisted-pair cables. Looking for some ethernet adapters? 7 Best USB to Ethernet Adapters in 2023 (USB-C, 3.0, 2.0) Are RJ45 and CAT6 the same? Category Maximum Speed CATEGORY 3 (CAT3) 10 Mbps CATEGORY 5 (CAT5) 100 Mbps CATEGORY 5e (CAT5e) 1 Gbps (Enhanced) CATEGORY 6 (CAT6) 1 Gbps (10 Gbps, if used with cable of length less than 100meters) CATEGORY 6e (CAT6e) 10 Gbps (Augmented) CATEGORY 7 (CAT7) 10 Gbps (Added shielding to wires) CATEGORY 8 (CAT8) 40 Gbps (Distance up to 30 meters) Maximum Speed of Different Categories of Cables The table below gives the maximum speed provided by each category. The difference in the categories is the maximum speed they can handle without any interference. Out of these, CAT5 and CAT6 wires are commonly used with RJ45 connectors. The five main categories used in twisted-pair are CAT3, CAT5, CAT6, CAT7, and CAT8. What are the different categories of twisted pair cables? One side of the cable is connected in T568-B standard, while the other is connected in T568-A standard. RJ-45 Straight Cable PinoutĪs visible in the figure above, both connectors at the ends of the cable have different standards. It is generally used to connect two dissimilar devices together. When the two ends of the ethernet cable are connected using the same standard (either 568A or 568B), it is called a Straight or Patch cable. Based on this these standards, there are two types of twisted pair cable: Straight Cable(Patch) The difference between these two standards lies in the order, in which pairs are arranged inside the cable. Read also: Know the Difference- RJ9, RJ11, RJ12, RJ45, RJ48 & Pinout Types of twisted-pair cable on the basis of wiring standardsĮthernet cable can be wired using two different wiring standards, i.e., 568A and 568B. It is similar to a shielded twisted pair cable, but it has an extra layer of protection against electromagnetic interference.It is used in home and office networks.This is done to prevent electromagnetic interference and distortion of the signal. It consists of 4 pairs of color-coded wires that are twisted around each other.These twisted pair cables are available in Unshielded Twisted Pair and Shielded Twisted Pair. The connector comes with an orientation tab that helps in proper wiring. It enables multiple connections with a single connector due to which RJ45 was initially known as modular connectors. The other two pairs, i.e., Blue and Brown are used as ISDN or phone connections. Note: The Ethernet require only two pairs of wire, i.e., Orange and Green for internet connection. This set of cables is shielded together as twisted pairs, which are known as twisted pair cables. This standard is known as 8P8C (8-position 8-contact).
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