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Note: If system’s power supply cannot provide the efficient power to
serial devices, it will cause your PC system unstable or unexpected
reboot.
2.2 Pin Assignment
The 2-ports RS-232 PCIe Card has a female DB44 connector on the
board. In this section, we give the on-board connector’s pin assignments
to facilitate making your own connection cable, and the male DB9
device-side pin assignments for the fan out cable.
Male DB9 Connector: Device-side Pin Assignments:
Pin Description
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
