Siemens Scalance XR-324 managed industrial Ethernet switch from Siemens Industry Inc. offers modularity and high port density in a compact, 19-in. rack housing designed for rugged industrial applications. Available in four models that connect to 24 Vdc or 110 to 230 Vac, the product provides manufacturers and system integrators with a switch that integrates plant floor networks with enterprise networks via a high speed Gigabit backbone. Designed for 19-in. cabinets with 12 slots, each slot in the XR-324 can accommodate a selection of two-port electrical or optical media modules. The optical media modules are available with single mode or multimode fiber. They also are available with small form factor pluggable media modules with LC type connectors.