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Siemens AG
Entry type: FAQ Entry ID: 109757504, Entry date: 07/25/2018
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What should you watch out for when connecting two interface modules via a SCALANCE X101-1?

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If you connect two interface modules, IM 151-8F and IM 151-3, for example, via a SCALANCE X101-1, you disable the medium and cable length settings at the ports.

This function is not available with SCALANCE X101-1 between the interface modules.

If you set "Copper" as the medium and a fixed cable length, the BF-PN LED or BF LED lights red although the function of the interface modules is still available.

 

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