1. The communication is available by CAT5, standard internet, and all the equipment that supports TCP/IP protocol, including the computer, wireless internet equipment, etc. It provides the functions of computer control, long-distance maintenance, connect and communicate resource share and centralized administration. 2. On the AV matrix, VGA signal switching matrix control and joint control; 3. Control the projection systemí»s turn on/off, input signal switch, electromotive screen 4. Control the DVD, videoí»s play, stop, pause; 5. Control meeting system, cameras, and is able to move all video cameras simultaneously. 6. Control dimmer, relay to turn the lights on or off, or brighten or darken the lights; can add time waiting during controlling, then it is able to turn off automatically when all people part from the meeting; 7. Control audio frequency of the loud-speaker system, it is able to raise/lower the volume and also to turn it off. 8. Supply low-pressure relay and low-pressure power to all the equipments;
