Radio Interface Board (RIB) (700-16-03) 9/26/2019 Category: Products, Trilogy Mercury System, Interface Boards Radio-over-IP and analog interfacing solution Provides standard interface for up to 8 radios on each RIB Up to four Radio Interface Boards per MIU Port-specific input and output level adjustments Audio buffering when connecting to higher power transmitters Provides independent Push-To-Talk (PTT) and Carrier Operated Relay (COR) signaling for each port Control signaling actuated by any local or remote Mercury operator connected over any IP network RJ45 connectors for simple cable construction