USBG-COM-X – Product Manual
13
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5.
DB-9 Male Connector Pin-out
•
RS-232 Signal Pin-outs of DB-9 Male (default)
Pin Header 1&2 Short
Pin 1
DCD
Pin 2
RxD
Pin 3
TxD
Pin 4
DTR
Pin 5
GND
Pin 6
DSR
Pin 7
RTS
Pin 8
CTS
Pin 9
RI
•
RS-232 Signal Pin-outs of DB-9 Male (Power Output Mode)
Pin Header 2&3 Short
Pin 1
DCD
Pin 2
RxD
Pin 3
TxD
Pin 4
DTR
Pin 5
GND
Pin 6
DSR
Pin 7
RTS
Pin 8
CTS
Pin 9
DC 5V