SCALANCE X-100 Unmanaged Switches Siemens SCALANCE X-100 Unmanaged Switches and Media Converters are designed for the cost-effective setup of smaller electrical or optical networks. Siemens SCALANCE X-100 offers eight or 24x ports designed to withstand harsh environmental conditions. The series includes the XCM102 Media Converter, which is ideal for converting electrical signals into optical signals in industrial Ethernet networks.