1. switch panel type: momentary.
2. button wires to KC868-Server's digital input ports.
3. LED indicator wires from KC868-Server's digital output ports.
4. double click function define for key buttons:
key1: ON 3,4,5,6
key2: OFF 3,4,5,6
key3: invert 3,4,5,6
5. momentary time:
relay4: 1 second
relay5: 5 second