The PVA-4R24 24 Zone Router is a zone extension for the PAVIRO system. The PVA-4R24 adds 24 zones 20 GPIs 24 GPOs and 2 control relays to the system and is controlled and supervised via the CAN bus by the PVA-4CR12 (Controller). Up to 20 external routers can be connected to one controller. One router can handle up to 4000 W speaker load. The maximum load of one zone is 500W.The zone indicator lights on the front indicate the current status of every zone:• Green: Zone in use for non emergency purpose• Red: Zone in use for emergency purpose• Yellow: Zone fault detected• Off: Zone in idle condition