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COM1, COM2: RS-232 serial port connector
PIN NO.
1
3
5
7
9
COM3, COM4: RS-232/422/485 serial port connector
PIN NO.
1
2
3
4
5
6
7
8
9
SATA1, SATA2, SATA3, SATA4, SATA5, SATA6: SATA 6Gb/s drive
connectors
PIN NO.
1
2
3
4
DESCRIPTION
DCD
RXD
TXD
DTR
GND
RS-232
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
DESCRIPTION
GND
SATA_TX+
SATA_TX-
GND
PIN NO.
2
4
6
8
10
RS-422
TXD422-
TXD422+
RXD422+
RXD422-
--
--
--
--
--
PIN NO.
5
6
7
8
DESCRIPTION
DSR
RST
CTS
RI
GND
RS-485
TXD485-
TXD485+
--
--
--
--
--
--
--
DESCRIPTION
SATA_RX-
SATA RX+
GND
N/C
13
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