Select language and region
English 日本語 한국어 繁體中文

RJ45 Connectors

In today's digital age, seamless connectivity is paramount. Whether you're setting up a home network, a bustling office server, or simply connecting devices, the RJ45 connector stands as the unsung hero behind the scenes. Renowned for its reliability and universal compatibility, the RJ45 is the gold standard for Ethernet connections worldwide. Dive into our comprehensive range of RJ45 connectors, designed to cater to every networking need.

RJ45's with different angle of input

What is an RJ45 Connector?

An RJ45 connector, also known as an 8P8C connector, is a standardized physical connector commonly used for connecting ethernet cables. It is the most widely used connector for networking applications and is designed to transmit data signals over twisted-pair cables.

RJ45 Connector Applications

RJ45 connectors are used in various applications, including:

  • Networking: RJ45 connectors are essential for establishing wired ethernet connections.
  • Telephone Systems: RJ45 connectors can be used in voice over IP (VoIP) systems.
  • Industrial Automation: RJ45 connectors are used in industrial environments for connecting devices in Ethernet/IP and EtherCAT networks.
  • Smart Homes: RJ45 connectors are used for wired connections in smart home automation systems.

Introduction to Wired Ethernet Connections

Ethernet is a widely used networking technology that allows for high-speed data transmission over local area networks (LANs). It provides a reliable and efficient way to connect devices and share information. Wired ethernet connections rely on RJ45 connectors to establish physical connections between devices.

Importance of RJ45 Connectors in Ethernet

RJ45 connectors play a crucial role in ethernet connections. They ensure reliable and secure data transmission by providing a standardized interface for connecting ethernet cables. Without RJ45 connectors, it would be challenging to establish wired ethernet connections and build robust network infrastructures.

Types of RJ45 Connectors

There are various types of RJ45 connectors available, each with its own unique features and applications. Some of the commonly used types include:

  • Male RJ45 Connectors (RJ45 Plugs): These connectors are typically used at the end of an ethernet cable.
  • Female RJ45 Connectors (RJ45 Sockets): These connectors are used for connecting devices to ethernet cables.
  • Field RJ45 Connectors: These connectors are designed for use in industrial environments and provide robust connections.

RJ45 Pin Assignment

RJ45 connectors have eight pins that are used for transmitting and receiving data signals. The pin assignments follow a specific wiring standard, such as T568A or T568B. Understanding the pin assignments is essential for proper wiring and connectivity.

T568A and T568B Wiring Standards

T568A and T568B are two common wiring standards used for ethernet cables. These standards define the arrangement of the eight wires inside an ethernet cable and ensure compatibility between different devices. It is important to follow the correct wiring standard at each end of the cable to ensure proper connectivity.

RJ45 Cables

RJ45 cables, also known as patch cables, are used to establish connections between devices in a network. These cables consist of twisted-pair wires with RJ45 connectors at each end. RJ45 cables are available in different categories, such as Cat5e, Cat6, and Cat6a, each offering varying levels of performance and bandwidth.

Our RJ45 Connectors: Product Range

Know more about Taoglas Magnetics Portfolio

View More


An RJ45 connector, often referred to as an 8P8C connector, is a standardized physical interface used primarily for connecting ethernet cables. It’s designed to transmit data signals over twisted-pair cables and is the most common connector for networking applications.

No, RJ45 and Ethernet are not the same. RJ45 refers to the connector type, while Ethernet is a networking protocol that defines how data is transmitted over a local area network (LAN). However, RJ45 connectors are commonly used in Ethernet cables and networks.

While all RJ45 connectors may look similar, there are variations in terms of their design and specifications. Some connectors are designed for specific types of ethernet cables, like Cat5e, Cat6, or Cat7. Additionally, there are shielded and unshielded RJ45 connectors, each serving different purposes based on the environment they are used in.

The term “jack” often refers to the female receptacle or port where you plug in a connector. An RJ45 jack is the female counterpart that accepts an RJ45 plug (male connector). In essence, the RJ45 is the type of connector, while a jack denotes the gender and the interface where a plug is inserted.

When selecting an RJ45 connector, consider the type of ethernet cable you’re using (e.g., Cat5e, Cat6), the environment (whether you need a shielded connector for interference-prone areas), and the specific application (home, office, industrial).

Yes, while RJ45 connectors are primarily associated with Ethernet, they can also be used for other applications, such as voice over IP (VoIP) telephone systems and some industrial automation systems.

We're Here to Help!

Whether you have questions about our RJ45 connectors, need assistance with a purchase, or simply want to provide feedback, we're all ears. Reach out to us, and our dedicated team will be on hand to assist you promptly.

bunch of Taoglas products

By default, we will search the Taoglas Product Catologue which includes in excess of 900 products.

However, if you wish to find non-product content such as a Support Document or Press Release, choose Search Website.

Search Results