Connections 12345671 Power Supply: 12V/24V 2A (DC) 2 Ethernet: 10M/100M/1000M (IEEE 802.3) 3 Outputs (O1-O2): Relay 24V, 2A (DC) 4 Inputs (I1-I5): Digital Inputs: bell, motion, gas, flood sensors, magnetic contact 5 Port 1 Connector: VRV/VRF Bus connection or Relay Port 1: Port for VRV/VRF and Relay add-on modules (VRM, VRR, RLY) 6 Port 2: [...]