RS-485 Keyboard
• Address can be set from 0~255
• Up to 128 devices can be connected in parallel
• Lightning protection design of all input and output communication ports
• High anti-jamming ability
• Up to 1.2km transmission distance
• Full functionalities for controlling the speed dome cameras
• Built-in multiple protocols
• Supports OSD with multi-language
• Supports key sound on/off function