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No, RJ45 and CAT6 are not the same. The RJ45 is a connector, while CAT6 (CATEGORY 6) is a model of twisted-pair cables. But, CAT cables are commonly referred to as RJ45 cables or Ethernet cables. Applications of RJ45 cables What does this little connector actually do and how does it work? Let’s unravel the mystery and unplug some myths and get to the reality of the matter. What is interesting about this plug is that it will also connect right into any standard RJ45 port. However, the way you work with it and the size of cable it accepts could not be more different. This one requires a special crimp/termination tool, and it is meant to be used with shielded Ethernet cable. For more on how to actually terminate one of these beasts see How To: Terminate a Shielded Cat6/Cat6A Standard Load Bar RJ45 Connector With External Ground . If you’re going to be putting strain relief boots on, slide one on now before you proceed to start putting the end on.
So, take your wire cutters and cut however much cable you need for the cable run you’re working on – being sure to leave a generous amount of excess, partly because a few centimetres will get chopped from either end, and because it’s always better to have a little bit of excess rather than realise the cable’s too short! Some crimping tools also include a cutter and a stripper, although I tend to use my own separate wire cutters and strippers – but it’s up to you. Cabling used in Ethernet and EtherCAT networks is offered in several different types from Cat5 and Cat6 to now Cat7 and even the new Cat8. Each of the cable standards offer greatly different performance metrics, but all still utilize the same RJ45 connectors. This means that each cable, regardless of the standard, will consist of 8 wires and 4 twisted wire pairs, which matches the RJ45’s 8P8C configuration.
Ethernet cabling categories
Category 6 cable appeared at the start of the 21st century and remains popular with home networkers. Category 6 runs at up to 250MHz and sometimes used shielding around the bundle of data-carrying wires to reduce interference. Capable of moving up to 1Gbps over 330 feet, or 10Gbps for about half that, Cat 6A upgraded the spec to 500MHz for 330 feet of 1Gbps throughput. (See our primer on Gigabit-speed internet to learn why that 1Gbps threshold is so important.)
The five main categories used in twisted-pair are CAT3, CAT5, CAT6, CAT7, and CAT8. Out of these, CAT5 and CAT6 wires are commonly used with RJ45 connectors. The difference in the categories is the maximum speed they can handle without any interference. The table below gives the maximum speed provided by each category. Category Crimping tools are used to join or connect two components or pieces of material through compression forces. They work by squeezing the two parts together tightly enough to form a fairly permanent bond or seal. Different sorts of crimp tools have various additional functions along with this ability to compress and seal materials. Common examples include cutting, stripping, and bending. Although it's not recognized by the Telecommunications Industry Association (TIA), Category 7 cable debuted in 2010 and is aimed at data centers and server rooms where top speed counts. Each cable is double-shielded: around each pair of wires and an overall shield around the entire bundle of wires. This extra isolation is needed because the 600MHz frequency used can push a maximum of 10Gbps over 330 feet. More recently, the introduction of Cat 7A cable increases the speed to 1GHz and throughput to 40Gbps, but tops out at 165 feet. Cat 8 Cable: The new 2GHz speed limit The ability to supply DC power over these wire pairs eliminates the need for separate power wiring. With no need for separate electrical cables, outlets, or installation, PoE has grown rapidly thanks to those provided cost savings and flexibility. PoE is also designed to be safe, reliable, and scalable.It enables multiple connections with a single connector due to which RJ45 was initially known as modular connectors. The connector comes with an orientation tab that helps in proper wiring. Type of cables used in RJ45 connectors 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? RJ45 cables are commonly used in Ethernet connections. Yet, they are useful for other applications also. For example: Table 1: Ethernet cable category specifications (Image source: CUI Devices) Power over Ethernet (PoE) RJ45 connectors that will be interfacing with an Ethernet network have several technical considerations to keep in mind during design. At the board level, the focus is on reducing EMI, preserving electrical signal isolation, and maintaining signal integrity. Without diving too far into the details of circuit design, it is important to pay close attention to the length and position of traces on the board. Physical placement of the connectors on the PCB should also be considered.
IEEE 802.3at, 802.3af and 802.3bt– the various power over Ethernet (PoE) standards for RJ45 connectors capable of supplying electrical current to the end device So there you have it! All about the simple, ho-hum RJ45 connector plug. Not quite as simple and ho-hum as people may think! Knowing is half the battle, and hopefully you will get a chance to terminate some of these connectors yourself. There is no substitute for “hands-on” experience. Read also: Know the Difference- RJ9, RJ11, RJ12, RJ45, RJ48 & Pinout Types of twisted-pair cable on the basis of wiring standardsRJ45, modular plug, 8P8C, end, connector... these terms are used interchangeably. These all describe the piece attached to the end of an Ethernet cable that plugs into your TV, computer, router, etc.
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