16
3
1
SFAN2
1
3
SFAN 1
CPUFAN
1
3
(9) Serial Port Connectors (9-Pin female): COM2
Serial COM Port 9-pin Block
Pin1 Pin6
DCD
Pin5
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
(10) RS232/422/485 Header: TX-RXCOM1
TX-RX COM Header
TX-RXCOM
Pin 1
TX
D
N
RX
D
P
TX
D
P
2
RX
D
N
3
4