Connection unit for mounting on a TH35 mounting rail in accordance with DIN EN 60715 in electrical distributors for domestic and industrial installations, equipped with an E-DAT Industry RJ45 field jack insert, plug-in direction vertical, 90° to the mounting rail, compliance with class E, A in accordance with ISO/IEC 11801, DIN EN 50173-1, suitable for 10 GBit Ethernet (IEEE 802.3an), remote powering (PoE, PoE plus, UPoE, 4PPoE) and HDBaseT, easy-to-install connection of the 2- to 4-pair data cable AWG 24/1 - 22/1 and stranded conductor with 7-wire CU strand AWG 26/7 to BTR 8-way IDC insulation displacement terminals, the width of 1TE enables the installation of up to 12 devices in a standard electrical distributor, when installed as a device of protection class I, the potential equalization is carried out via a switchable integrated potential equalization spring directly above the mounting rail, which is to be connected to the building potential equalization via corresponding contact terminals, variants: wiring according to T568A, T568B or PROFINET