Used for data collection and provide power to vote unit. Vote host has four 8P-DIN plugs ,can connect multiple systems and can be connected to 250 hosts voting machines. Vote host has host cascade interface, can achieve multi-level machine linking, cascading through the host system, you can reach 10,000 units on behalf of the device. This system is suitable for a variety of large, medium and small occasions. System is equipped with a dedicated "T" type cable to connect to Personal Emergency manner, easy to install .Power supply: 220V AC power supply. Power consunption: 100W. Net Weight: 2Kg. Can be installed in standard 19-inch rack.