Acnodes FES2215 User Manual page 19

13. Front Panel Audio Header (9-pin HD_ AUDIO1) [refer to P.13, No. 25 ]
14. DC 12V Power Connector (4-pin DC 12V 1) [re fer t o P.1 3, No. 3 ]
15. COM Port 4 ,5 ,6 (10-pin COM 4,5,6) [refer to P. 13 , No. 19 ]