The 1009970500 is a remote input/output controller board. For connection of technical alarm inputs and distribution of remote control outputs within an AlphaCom XE system. Distributed I/O device with built in 8 remote control inputs and logic for 18 remote control outputs per unit. Up to 140 alarm inputs within the same. AlphaCom XE Audio Server. Up to 30 RIO‘s can be connected to a server thereby controlling up to 500 RCO‘s. Up to 30 RIO's can be connected.