Pin Assignments for I/O Connectors: Dell Inspiron 510m Service Manual
Serial Connector
Pin
Signal
Pin
Signal
1
DCD
6
DSR
2
RXDA
7
RTS
3
TXDA
8
CTS
4
DTR
9
RI
5
GND
IEEE 1394 Connector
Pin
Signal
1
TPB–
2
TPB+
3
TPA–
4
TPA+
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