BSS BLU-GPX General Purpose I/O ExpanderThe Soundweb London BLU GPX is a network controlled GPIO expander which facilitates the cost effective addition of Control Inputs, Logic Outputs, and Relays to systems requiring extra analog control interfacing capability. The BLU GPX features the same rich palette of Logic Objects found in other Soundweb London devices, two PoE enabled Ethernet ports for communications and primary power, a 12VDC power connector for secondary power, a RS 232 port for