Conference system features discussion and voting functions. One controller supports 128 units, expansion up to 4096 units. Four meeting modes first-in/first out, normal, free and apply. Speech microphone quantity selector 1, 2, 4 and 6 chairman units are free of control. All of the system are communicated through standard and secured 8 pins conference system cable. Three channel outputs for microphone units connection. All of the equipments are connected hand-by-hand for easy wiring and maintenance. Built-in a digital EQ for signal processor and noise delete. Two line outputs for sound amplification system. Voting and data management features could be done by link with PC where installed software. Supports 6 cameras by link together with auto-video tracking controller TS-0690. Secure ground line protection from 8000V static electricity.