Many shielded RJ45 connectors on the market feature external ground collars, do you know the purpose of them and how to crimp them correctly?
The external ground collar features the same material as the shielding and often acts as a ground point. So, it is important to crimp it correctly.
How to press and crimp the ground collar? It requires strength to press the collar by hand, and you’d better use a small hand tool to press it. The small tip is to slightly bend the cable in the opposite direction.
Most RJ45 crimping tools on the market feature a cavity to crimp the ground collar and you just need to put it in the right place.
If you find it difficult to crimp the external ground collar with an RJ45 crimping tool, you may need a specific ground collar crimping tool.