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