D-LinkDEM-CB300S, 3m SFP+ to SFP+, Terminated

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Ethernet cables are physical cables that are used to connect devices in a wired local area network (LAN). They are commonly used to establish a wired connection between computers, routers, switches, and other networked devices. Ethernet cables are essential for transmitting data, such as internet traffic, between devices within a network.

## **What are the Features and Benefits of Ethernet Cables?**
- **Physical Design:** Ethernet cables typically consist of twisted pairs of copper wires encased in a protective outer sheath. The most common type of Ethernet cable is known as "Category 5e" (Cat 5e) or "Category 6" (Cat 6). Cat 5e cables can handle speeds up to 1 gigabit per second (Gbps), while Cat 6 cables can support speeds up to 10 Gbps.
- **Connectors:** Ethernet cables use [connectors](https://sg.rs-online.com/web/c/connectors/) called "RJ-45 connectors" at each end. These connectors have eight pins that make contact with the eight wires inside the cable. They are designed to snap into Ethernet ports on devices.
- **Ethernet Standards:** Ethernet cables adhere to various standards, such as 10BASE-T, 100BASE-TX, and 1000BASE-T, which specify the maximum data transfer speeds they can support. Newer standards like 10GBASE-T support even faster data rates.
- **Cable Length:** Ethernet cables have a maximum recommended length, which depends on the specific standard and cable quality. For example, Cat 5e cables should not exceed 100 metres (about 328 feet) in length for optimal performance.
- **PoE (Power over Ethernet):** Some Ethernet cables support Power over Ethernet, allowing both data and electrical power to be transmitted over the same cable. This is often used to power devices like IP cameras and VoIP phones.
- **Colour Coding:** Ethernet cables often follow a [colour-coding scheme for the wires](https://sg.rs-online.com/web/content/discovery/ideas-and-advice/wiring-colours-guide) inside. The most common colour code is TIA/EIA-568-B, which specifies the order of wire pairs within the cable.

## **Types of Ethernet Cables**

Here are some of the most common types of Ethernet cables:

- **Cat 5e (Category 5e):** [Cat 5e cables](https://sg.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/?applied-dimensions=4294484708) are among the most used Ethernet cables. They support data transfer speeds of up to 1 gigabit per second (Gbps) and are suitable for most home and small office network applications.
- **Cat 6 (Category 6):** [Cat 6 cables](https://sg.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/?applied-dimensions=4294484887) are an improvement over Cat 5e and can handle higher data transfer speeds, up to 10 gigabits per second (Gbps) over shorter distances.
- **Cat 6a (Category 6a):** Cat 6a cables, also known as Cat 6 Augmented, offer even higher data transfer speeds, up to 10 Gbps over longer distances than Cat 6 cables.
- **Cat 7 (Category 7):** [Cat 7 cables](https://sg.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/?applied-dimensions=4294479398) are designed for high-speed networking and offer data transfer speeds of up to 10 Gbps.
- **Cat 8 (Category 8):** [Cat 8 cables](https://sg.rs-online.com/web/c/cables-wires/networking-coaxial-cables/ethernet-cable/?applied-dimensions=4290961890) are the latest addition to Ethernet cable categories and are designed for extremely high-speed data transfer.
- **Cat 8.1 (Category 8.1):** Cat 8.1 is a variant of Cat 8 cables designed for use in residential and commercial applications. It supports data transfer speeds of up to 25 Gbps

## **Applications of Ethernet Cables**

While WiFi offers convenience and improved speeds, it has limitations. WiFi signals can only handle a limited number of devices, leading to weak or unstable connections, especially in older homes with thick walls or interference from household items like microwaves and cordless phones.

Ethernet cables provide a reliable solution. By hardwiring devices to your router, Ethernet cables ensure stable and fast connections, ideal for streaming, gaming, and downloading large files. This direct connection avoids the common issues of signal interference and instability associated with WiFi.

Additionally, Ethernet cables offer superior security. Unlike WiFi, which can be accessed by anyone within range, data sent over Ethernet is confined to the local network, reducing the risk of unauthorised access.

## **Ordering and Delivery Information**

Explore our comprehensive range of Ethernet cables on the [RS Singapore](https://sg.rs-online.com/web/) online platform. Simply add your desired items to your basket for next-day delivery, or choose to pick them up at your nearest RS branch. If you prefer to place your order by phone, call us at +65 6865 3400 for assistance.

For more information on all available delivery options, please visit our [delivery information page](https://sg.rs-online.com/web/content/support/all-articles/delivery).



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