YUCOO-TEL-16 telephone optical modem modular design, Main Board provided for business users 16 lots arbitrary matching 1-16 telephone, Sharing the road four 100M Ethernet interface. The equipment used by ultra-large-scale integrated circuit design, appearance conversations with easy installation and maintenance-free. Because of Stable performance advantages it’s widely used in IP supermarkets, living quarters, the military government units, cafes, bars and other units.