Dell Latitude C610 - Manual (Page 49)

Pin Assignments for I/O Connectors: Dell Latitude C610/C510 Service Manual
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Pin Assignments for I/O Connectors
Dell™ Latitude™ C610/C510 Service Manual
USB Connector
Pin Signal
1 VCC
2 -Data
3 +Data
4 Ground
Serial Connector
Pin Signal Pin Signal
1 DCD 6 DSR
2 RXDA 7 RTS
3 TXDA 8 CTS
4 DTR 9 RI
5 GND