
Ethernet connectors are essential components in Ethernet networking, facilitating fast, reliable, and interference-free connections between devices such as telecommunications or data equipment. These connectors attach to each end of an Ethernet cable, ensuring a stable data transfer that is often preferred over wireless or Wi-Fi networks due to its consistency and speed.

## **Types of RJ Connectors**

RJ stands for registered jack which is a standardised networking interface. RJ connectors are classified under Ethernet connectors because they are commonly used to establish Ethernet connections, facilitating data and communication networking across various devices. These are some of the common types:

### **RJ11**

The RJ11 connector is a common interface in telecommunications, primarily used for connecting telephones with up to six wires. It's widely employed for linking older wired telephone lines to internet service providers using twisted-pair connections.

### **RJ12**

RJ12 connectors typically feature six positions and contacts, used in various telecommunication and data transmission applications with six-core cables.

### **RJ22**

Often found in handset-to-telephone connections, RJ22 connectors include four pins and are tailored for specific telecom applications.

### **RJ25**

The RJ25 connector makes use of a six-position, six-contact (6P6C) setup, connecting three telephone lines typically within residential or small office environments.

### **RJ45**

RJ45 connector is used today to describe both male RJ45 plugs and female RJ45 sockets. The plugs, sometimes called modular connectors, are usually found on the end of [Ethernet cables](https://nz.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/). The sockets or jacks are generally embedded in the device that is being hooked up or mounted to a fixed wall panel. RJ45 connectors are also available to suit a range of LAN categories from Cat3 to Cat6a. Different mounting options are also available, including cable mount, PCB mount and panel mount. 

### **RJ48**

Specialised for data transmission interfaces, the RJ48 connector uses an eight-pin modular jack, differing from RJ45s primarily in pin-out arrangements to support various digital transmission standards.

### **RJ50**

Though not an official registered jack, the RJ50 is widely recognised for its 10-position, 10-contact (10P10C) configuration, mainly used in specialised data and proprietary systems.

## **Other types of Ethernet connectors**

### **Mini IO connectors**

[Mini IO connectors](https://nz.rs-online.com/web/c/connectors/network-telecom-connectors/mini-i-o-connectors/) are compact wire-to-board interfaces that are well-suited for various settings. These connectors facilitate straightforward installations without necessitating wire termination or soldering.

Each Mini IO connector comprises a housing, shell, and terminal with multiple contact points. Constructed from thermoplastics, the exterior of these connectors offers exceptional resistance to shocks, vibrations, and temperature extremes.

The contact points within the terminals are made from a copper alloy to enhance electrical conductivity, ensuring reliable connections. Additionally, these connectors are equipped with latching mechanisms that secure the cables in place, preventing accidental disconnections.

## **Applications of RJ connectors**

RJ connectors, particularly the RJ45, are integral in setting up Ethernet networks due to their reliability and compatibility with various networking standards. Here’s an overview of their key applications:

**Home and Office Networks:** RJ45 connectors are crucial for establishing LAN to LAN connections, creating Local Area Networks (LANs) that link devices like computers, printers, and routers within a single building. These connectors support fast data transfer rates, making them ideal for both residential and commercial environments.

**Telecommunications:** These connectors are used extensively in telecommunications equipment, where stable and reliable connections are crucial. RJ11, for example, is widely used to connect telephone lines.

**Data Equipment Connections:** RJ45 connectors are used to link servers, switches, and other networking hardware in data centres, supporting high-speed data transfer and minimising interference.

**Industrial Ethernet Systems:** RJ connectors adapt well to industrial settings, connecting devices that operate under rigorous conditions, thanks to their robustness and ability to handle high data rates.

**Consumer Electronics:** RJ connectors are also found in consumer electronics, facilitating wired connections for devices like gaming consoles and smart TVs, ensuring faster and more reliable connectivity than wireless options.

## **Explore High-Quality Ethernet Connectors Today!**

Discover top-tier Ethernet connectors from [RS New Zealand](https://nz.rs-online.com/web/), a trusted supplier and distributor renowned for quality. Our selection features well-respected brands like [Siemens](https://nz.rs-online.com/web/b/siemens/), [Sick](https://nz.rs-online.com/web/b/sick/), [TE Connectivity](https://nz.rs-online.com/web/b/te-connectivity/), and more, ensuring you access to the most reliable products on the market. Enhance your network’s performance by shopping with us today and benefit from our curated range.

## **Ordering & Delivery Information for NZ**

Ordering your Ethernet connectors from RS NZ is straightforward. Browse our comprehensive range online, make your purchase, and benefit from our efficient delivery service across New Zealand. For additional details about our delivery options, including estimated delivery times and costs, please visit our [Delivery Information page](https://nz.rs-online.com/web/content/support/all-articles/delivery). RS NZ is committed to providing you with a seamless shopping experience, ensuring you get what you need, when you need it.



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