Key features: up to 128 detectors 4x RS485 ethernet communication port ethernet Description Parking sensors controller allows up to 128 pcs of IUPS-R parking detectors to be connected and to communicate with the management software via Ethernet. Check out all products of parking space occupancy detection system: Parking space sensor Dynamic LED display Characteristics COMMUNICATION INTERFACE WITH SENSORS4x RS-485 COMMUNICATION INTERFACE WITH SERVEREthernet NUMBER OF SENSORS SUPPORTEDUp to 128  technical specification SUPPLY VOLTAGE 12V DC CURRENT CONSUMPTION ...