Ethernet connectors1/22/2024 Therefore, what most of the industry refers to as RJ45 connectors are in fact 8P8C modular connectors. However, because the connectors resemble each other so closely in appearance, the groups and individuals who transitioned from telephone networking to computer networking started to mistakenly call the unkeyed 8P8C connectors “RJ45s” and the terminology quickly caught on. The connectors are not entirely compatible with one another because of the keying used in RJ45 8P8C connectors can plug into RJ45 receptacles, but the inverse is not true. The differences between 8P8C connectors and RJ45 connectors are shown in the following diagram: There are a variety of 8P8C connectors out there, with the modern RJ45 Ethernet connector being the most prevalent.Īs a result of the close similarities, “RJ45” became the designated informal misnomer for any eight-pinned jack (8P8C modular connector) used in computer networking (Ethernet). Individual wires are then inserted into these positions. In 8P8C connectors, each plug has eight positions that are spaced approximately 1 mm apart. 8P8C ConfusionĨP8C refers to the array of pins, hence the name Eight Position, Eight Contact. With the advent of computer networking, a new but very similar connector was developed to carry out data transfer: 8P8C. The connectors of the RJ platform were developed as much smaller and cheaper replacements to the older telephone installation methods of hardwired cords or bulky plugs. RJ stands for “registered jack,” and the true RJ45 connector was originally developed as part of the standardized telecommunication network interface for the purpose of connecting telephone networks. Remember, female RJ45’s are sockets, male RJ45’s are plugs, and field RJ45’s feature more protection.Let’s start with RJ45, perhaps the term most widely used to refer to Ethernet cables today. By now, you should have the knowledge you need to make the right purchases. Those are the different types of ethernet cable connectors. You should use a field connector if your wiring system sees a lot of dust, strain, or water. It’s a more secure and durable version of a standard male RJ45. The last type of RJ45 is a field connector. Make sure that you find a cable that matches. If it’s less than the diameter of your cable, it won’t fit. On your ethernet cable, you need to know the outside diameter and overall thickness of the cable.Ĭheck the maximum cable outside-diameter you can accept for the connector you choose. If you want to buy a connector separate from your cable, you’ll need information first. Higher-end RJ45 connectors sometimes have a metal shielding to protect them from interference. They typically come as black, white, or transparent plastic. They will connect to either end of your ethernet cable. Male RJ45 connectors contain the plugs that connect into the female sockets. The female socket typically embeds into the back of your router. Make sure you don’t buy a female RJ45 socket by mistake. If you need to connect your modem to a router, you’ll need a male RJ45 connector. You plug the ethernet cable into the socket. Male connectors have plugs, while female connectors have sockets. There are male and female RJ45 connectors. You’ll need to know how to distinguish each type to purchase the correct connector for your needs. It encompasses a few different types of connectors. What’s confusing is that RJ45 is an umbrella term. In the case of ethernet cables, jacks connect the internet device (modem) to hardware (router). Registered jacks link voice and data equipment to each other or a central hub. RJ stands for ‘registered jack,’ and the 45 is the listing number. Understanding RJ45 ConnectorsĮthernet cables use RJ45 connectors for both ends. We’re here to break down the different types of ethernet cable connectors. If you want to avoid taking a cable and connector back to the store, you need to read this guide first. In that case, you’ll need to know the overall thickness of your ethernet cable. It becomes even more complicated if you need to attach a connector to a bare cable. After all, there are several different types of connectors. Yet, it’s not always clear which type of ethernet cable you’ll need. Are you trying to connect a router to a modem? If so, then you’ll need to use an ethernet cable.
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