Main controller and main control PC
·Ticket number printing terminal
·Main display screen
·Counter window display screen
·Counter control terminal

·Specification
Maximum terminal quantity: 128pcs
Data communication port: RS-485
Communication speed: 9600dps
Lobby display screen: display 8/12/16 digits Chinese character
Maximum digits of screen: 600 Chinese characters or 1200 English letters
Maximum types: 16types
System power: AC220V

·Operating environment
Required hardware of main PC:
CPU: Above Pentium200
EMS memory: Above32M
Hard disc: Above 2GB
Operating system: Windows98/2000

1. Calling device
　　Function：Service search, number of waiting persons, calling waiting person
　　Calling：First time calling; Repeat calling; Select calling
　　Structure：16 keys, 8 number; LCD display; 122x32 matrix; LCD display
　　Mode：Wire; wireless
2. Calling screen
　　Function：Display current calling number in divided screen
　　Display mode：3 2types of display modes
　　Specification：Digital and 6 matrix
　　Mode：Wire; wireless
3. Queuing main screen
　　Display：Current number
　　Mode：Wire; wireless
4. Audio system
　　Function：Calling; Background music
　　Composition：sound box、amplifier, audio device
　　Feature：Clear
　　Mode：Wire; wireless
5. Software system