The IE FC RJ45 plug 4 x 2 is used to install uncrossed 10/100/1000/10000 Mbit/s Ethernet connections up to 100 m without the use of patches. Crossed cables can also be installed by swapping the transmit and receive pair in a plug.

With the casing open, colored markers on the contact element make it simple to connect the cores to the insulation displacement contacts. This enables faulty contacts to be detected and prevented at an early stage.