II.Functions:
● 当主控箱窗口数较多且供电不足时，可加此中继盒。
● It’s powerful in digital load with an input port and five output ports and RJ45 socket, it can connect with windows display, the main displayisplay and Ticket Station.
● With power switch button, it can turn on/off the power of Relay box manually.
● Attached with switch power supply, model: LB-81-62  DC24V 6.3A
● Working voltage: AC220V; DC24V.
● Size：253x74x233mm(LxWxH)