Step-By-Step Installation Guide for Ethernet Splitters

Ethernet splitters are a great way to divide one cable into multiple connections. However, they do decrease the overall network speed.

To get around this issue, consider using a network switch instead. This will allow you to connect more devices to the same router without experiencing significant speed decreases.


So, how does an ethernet switch work? Ethernet splitters are helpful for situations where multiple devices need to connect to a network but only have one available Ethernet port on the router. While ethernet splitters can be a good option, they also have drawbacks. For example, using a splitter can reduce the speed of an Internet connection by splitting a single incoming signal into multiple output signals.

To build an Ethernet splitter, you’ll need a wire cutter/stripper, two CAT-5e RJ45 keystone jacks, electrical tape, and a crimping tool. You’ll also need to cut the Ethernet cables to a suitable length based on your needs and strip the outer insulation to expose four sets of twisted wire pairs.

Then, you’ll need to open the keystone jacks and insert the Ethernet wires into them. Place the white and orange wires into Pin #1, the blue wires into Pin #2, the green wires into Pin #3, and the brown wires into Pin #6.

Connect the side of the ethernet splitter with one port to the wall jack in Room A. Then, connect the other splitter to Room B’s wall jack. Then, hook the devices that need to be connected to the network (such as a computer and printer) to the splitter. The merged signals from the splitter will then be separated into two Ethernet connections for each device.

Cut the Ethernet Cables

The ethernet cable in most homes comprises four twisted pairs of wires, totaling eight individual copper wires. Each twisted couple of lines handles one direction of data. If you need to expand your home network, Ethernet splitters can help. However, it’s essential to understand the difference between an ethernet splitter and a hub or network switch before you buy one.

An ethernet splitter allows you to physically connect two devices to the same ethernet signal without having to use another cord or an ethernet wall outlet. It’s typically used to connect a computer and printer in one room to the router in another. It saves the hassle of plugging and unplugging devices and helps conserve the number of ethernet wall outlets in your house.

When using an ethernet splitter, it is recommended that you only split the signals to a maximum of two devices. This will ensure that the connection does not slow down or become unstable. A network switch is best if you break the signs into three or more devices.

To prepare the ethernet cable for splitting:

  1. Cut off a section of the sheathing at the end with scissors or a utility knife.
  2. Untwist the tiny wires inside, arrange them in order, and place the limitations into an RJ-45 connector.
  3. Ensure the connector pins are positioned correctly and the cables fit snugly into the connector.

A small, flathead screwdriver press down each pin to secure the connector.

Crimp the Connectors

Ethernet splitters aren’t the only device you can use to expand a network, but they’re one of the cheapest and most accessible. You’ll need a standard Ethernet cable, a splitter board, and a crimping tool (or a wire stripper) to start.

Once you’ve got all the supplies, a little patience and basic knowledge of wiring can make you an expert at building your own Ethernet splitter. It’s a simple project that can give you a sense of accomplishment. The best part is you can use your Ethernet splitter immediately.

The most common Ethernet splitter scenario involves a router in one room and a computer or gaming console in another. Still, there’s only a single ethernet wall jack in each room. Run two cables from the router to a splitter, plug them into their respective devices, and then hook up the second splitter to revert to two lines, saving both money and space in your home.

However, remember that ethernet splitters do not increase the maximum speed reached over an Ethernet connection. If you’re looking to improve your current Internet connection, it’s worth considering a Powerline Ethernet adapter instead, which can provide up to 600Mbps over existing copper wires. This is a worthwhile option if your home has coaxial cabling installed and you’re unwilling to tear up your walls to establish new Ethernet connections.

Test the Connections

Using an Ethernet splitter can save you time and money by reducing the number of network devices needed. But it’s essential to understand how these devices work and their limitations before investing.

As its name implies, an Ethernet splitter divides a single Ethernet cable into two separate connections. This is a valuable tool for homes with multiple network-connected devices that are too far from the router or modem to be reached with a single cable. It’s also economical if you need more money to purchase a switch.

These networking devices can be purchased online and at most electronics stores. They’re inexpensive and easy to use, requiring only essential tools like wire cutters and strippers to install. However, they limit the number of Ethernet connections that can be made, so you should only purchase one or two Ethernet splitters if your network setup requires it.

You will need a pair of Keystone jacks and an ethernet cable to make an Ethernet splitter. Plug one of the jacks into your router or modem and connect the other to the device that needs a wired Ethernet connection. Then, plug the ethernet cable’s other end into your Ethernet splitter’s corresponding “input” port. Please ensure the colors match on both connectors before crimping them with your crimping tool.

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