Signal – AAEON EPIC-9457 Rev.B User Manual
Page 31
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E P I C B o a r d
E P I C - 9 4 5 7 R e v . B
Chapter 2 Quick Installation Guide
2-19
2.31 RS-232 Serial Port Connector (CN21, CN22)
Pin
Signal Pin
Signal
1 DCD
2 DSR
3 RXD
4 RTS
5 TXD
6 CTS
7 DTR
8 RI
9 GND
2.32 Standby Power Output Connector (CN23)
Pin
Signal Pin
Signal
1 SMBDAT_SBY
2 GND
3 SMBCLK_SBY
4 GND
5 PS_ON#
6 5VSB
2.33 COM1/2 Connectors (CN26)
Pin
Signal Pin
Signal
1 DCD1
2 RXD1
3 TXD1
4 DTR1
5 GND
6 DSR1
7 RTS1
8 CTS1
9 RI1
10
DCD2
(422TXD-/485DATA-)
11
RXD2 (422RXD+)
12
TXD2 (422TXD+/485DATA+)
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