What does rj45 mean

Cat6a doubles the frequency to MHz while continuing to reduce noise interference with grounded foil shielding. These improvements remove the cable distance penalty when operating in 10 Gigabit Ethernet. Operating at frequencies up to MHz, Cat7 was designed specifically to support the rated speeds of 10 Gigabit Ethernet.

In addition to the shielding introduced by Cat6e, this new specification provides individual shielding for each of the four twisted pairs. Cat7 has a maximum distance of meters while maintaining backward compatibility with Cat5 and Cat6. RJ45 connectors are the key part of Ethernet connectivity to transmit voice and data media.

They were developed as much smaller and cheaper replacements to the older telephone installation methods of hardwired cords. The easy plug-n-play style reduces the difficulty of installation. Compared with RJ11, RJ45 is suitable for more applications, such as Ethernet networking, telecommunications, factory automation, and so on.

It is frequently used for networking devices including Ethernet cables, modems, computers, laptops, printers, etc.

RJ11 is mostly used for voice applications. Computer networking. RJ45 is typically used in Ethernets or connecting cable modems with Wi-Fi routers. This type of cable is typically used for direct computer-to-computer connections when there is no router , hub , or switch available.

The definition of RJ45 on this page is an original TechTerms. If you would like to reference this page or cite this definition, you can use the green citation links above.

The goal of TechTerms. We strive for simplicity and accuracy with every definition we publish. If you have feedback about the RJ45 definition or would like to suggest a new technical term, please contact us. Want to learn more tech terms? RJ45 cables can be wired according to two different schemes, T A or B, depending upon the devices to be connected within the network. Crossover patch cables have different wiring schemes on each end to support computer-to-computer connections.

High-speed modem and other computer network applications are supported by RJ connectors. An RJ 45 patch lead comes with this registered jack connection.

RJ45 connections are also known as data jacks. Share this Term. Local Area Network Ethernet. Tech moves fast! Stay ahead of the curve with Techopedia! Join nearly , subscribers who receive actionable tech insights from Techopedia.