Siemens SIMATIC NET IE FC RJ45 Compact Operating Instructions page 22

Assembly
4. Clamp the cable with the stripping tool by pressing the lever forward to the last
position. With four-pair cables, only press the lever forward to the second-to-last
position.
5. To strip the insulation, turn the tool in the direction of the arrow.
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IE FC RJ45 Plug 4x2 CAT 6A
A5E34280610-AD, 01/2023