AAEON ECB-902M - Manual (Page 22)

E T X C a r r i e r B o a r d E C B - 9 0 2 M
Chapter 1 Quick Installation Guide 1-22
7 N.C. 8 N.C.
9 N.C. /+5V/+12V 10 N.C.
1.52 COM3 / COM4 Connector (CN18, CN19)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RING/+5V/+12V 10 N.C.
1.53 Audio Connector (CN20)
Pin Signal Pin Signal
A1 LINL A2 GNDAUD
A3 GNDAUD A4 LINR
B1 LOUTL B2 GNDAUD
B3 GNDAUD B4 LOUTR
C0 GNDAUD C1 N.C.
C2 GNDAUD C3 GNDAUD
C4 MIC_IN
H1 GNDAUD H2 GNDAUD
H3 GNDAUD H4 GNDAUD
H5 GNDAUD
1.54 ATX Power Connector (CN21)
Pin Signal Pin Signal
1 N.C. 11 N.C.
2 N.C. 12 -12V