I.Main Control Box diagram:
● With an input port, five output ports and RJ45 socket, it can
connect with the window display, the main display and ticket-caller.
● With speaker output port, it can connect with active or inactive
sound box and ceiling speaker.
● With volume button, it can adjust the volume at any time as
● With power switch button, it can turn on/off the power of Main Control Box manually.
● Attached with switch power supply, model: LB-81-62 DC24V 6.3A
● Working voltage: AC220V; DC24V.