RDM capable, rack mountable DMX splitter with two inputs and eight assignable outputs. This allows for safely going beyond the 32 devices limit of the DMX standard, as well as for building star topologies. In the same way, the XPD-28 can also be used as a repeater to overcome larger. Introduction XPD-28 is a DMX & RDM splitter provided with eight outputs, which can be connected to any of its two inputs. Each of the ten signal ports is optically isolated.