Motherboard connectors  > Dell pinouts
Pin Pin
1 CD Carrier Detect
2 RXD Recive data
3 TXD Transmit data
4 DTR Data terminal ready
5 GND Ground
6 DSR Data set ready
7 RTS Request to send
8 CTS Clear to send
9 RI Ring indicator
10   NC
11 Enable connect to 12 for enable ser 2
12 Enable connect to 11 for enable ser 2


12 pin IDC male connector layout
12 pin IDC male connector
at the Motherboard
According to 2 reports in our database (2 positive and 0 negative) this pinout should be correct.

Is this pinout
Dell GX270 SER2 motherboard connector visual pinout:
Dell GX270 SER2 motherboard connector diagram
click to enlarge
Source(s) of this and additional information:
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