First of all: the queuing machine is divided into wired and wireless, and wireless is too simple. Let's talk about the wired first

　　Wired is generally divided into three parts: queue machine, LED window display, window pager

　　The queuing machine produced by general manufacturers has two wires, RS485 signal wire (network cable), and power wire. You only need to pass the signal line from the queuing machine to each window screen, and each window call sign will go through it, which solves the signal transmission problem. The second is the power supply problem, which is generally divided into centralized power supply (the entire circuit provides a switching power supply) and separate power supply (each device provides 220V separately, and the device has a switching power supply)

　　The second is the installation, mainly the installation of the window screen, how to fix it, be beautiful and decent. Hanging, hoisting, you can figure it out. The window pager is generally not difficult, just put it on the table.

　　Let's wire it up. The general manufacturers are now launching RJ45 interface, which is convenient, just connect it as a module. Set the window, configure the calling software.

　　Final debugging. carry out