2.4 Main Technical Characteristi 2.4.1 Power Supply: AC Power(Main Power): Input Voltage ~ 220VAC ( 175~ 245VAC) Standby Power: Standby power supply with different capacity should be configured according to different device points. 2.4.2 Operating Environment: Operating temperature: 0ºC ~ +42ºC Relative humidity: ≤95%, Non-condensing 2.4.3 Capacity: Floor type: 64 Loops; Control Points of Each Loop: 242. 2.4.4 Display: LCD display (Mode: HY-320240) 2.4.5 Dimension( L x W x H ): 420mm x130mm x 470mm; 2.4.6 Wiring Requirement ·For 485 communication cable and fire alarm bus cable, it is recommended to use UTP RVS2×1.0 MM 2OR RVS2×1.5 MM 2 twisted-pair cable; When environmental interference is heavy, it is better to use RVSP2×1.0MM shielded twisted-pair cable. ·It is forbidden to put the 485 communication cable, telephone line and fire alarm bus cable in one multi-core cable.