1: DC/12V --- DC 12V/3A;
2: ON/OFF --- Power switch;
3: HDMI Input1→HDMI Input8 --- HDMI Input 1-8 port;
4: HDMI Output1→HDMI Output8 --- HDMI Output 1-8 port ;
5: Output1 - Output8 --- Output selection;
IN1→IN8 --- LED indicator of Input for each output selection;
6: IR Cable --- IR extension port ;
7: IR --- IR port;
8: DIP --- EDID;
9: RS232 --- RS232 port;