... The Player with two kind of button, 1: with Green terminal, can input 1,2,3,4,5,6, , ... : Relay Interface On the board, there is one Relay port, if client require this, there is one channel Relay ... output (On the board, there is a Relay) C: Wireless interface, this is for several player ,sync play function. ... controll play On the player there is one RS485 port RS485 format:”9600,8,N,1”, baudrate=9600,8 ...