1.Power plug

2.Power switch

3.Mouse port

4.Keyboard port

5.VGA port

6.Printer port.

7.Series port

8.USB port

9.Microphone in port

10.Speaker out port

11.1-16 Video input

12.Relay output

13.Cooling fan

14.LAN port

15.Line in port

16.1-16 single TV output

17.RS-485 Communication port

18.Sensor input