1) RS232 serial or Gigabit Ethernet port communication; 
2) Ethernet port connection between two receiving cards or at the end; 
3) Timer function which is able to replace timer and delayer; 
4) Temperature detection of power distribution box; 
5) Humidity detection of power distribution box; 
6) Audio output; 
7) 4-way light sensor connection to achieve automatic brightness adjustment; 
8) Temperature module connection;
9) 8-way power switch control.

Instruction

Diagram

Connect function card to computer directly by RS232 serial cable.

? Connect function card between sending card (or independent controller) and the first receiving card.

? Connect function card between any two receiving cards.

? Connect function card to the last receiving card.