Main Technical Characteristic 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. Operating Environment: Operating temperature: 0ºC ~ +42ºC Relative humidity: ≤95%, Non-condensing 3. Capacity: Floor type: 64 Loops; Control Points of Each Loop: 242. 4. Display: LCD display (Mode: HY-320240) 5. Dimension( L x W x H ): 420mm x130mm x 470mm; 6. Wiring Requirement 6.1·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. 6.2·It is forbidden to put the 485 communication cable, telephone line and fire alarm bus cable in one multi-core cable.