Serial Port Connector: Dell Latitude CP and CPi
Serial Port Connector (9 pin): Dell™ Latitude™ CP and CPi
Pin Assignments for Serial Port
Connector (9 pin)
| Pin |
Signal |
I/O |
Definition |
| 1 |
DCD |
I |
Data carrier detect |
| 2 |
RXDA |
I |
Receive data |
| 3 |
TXDA |
O |
Transmit data |
| 4 |
DTR |
O |
Data terminal ready |
| 5 |
GND |
N/A |
Signal ground |
| 6 |
DSR |
I |
Data set ready |
| 7 |
RTS |
O |
Request to send |
| 8 |
CTS |
I |
Clear to send |
| 9 |
RI |
I |
Ring indicator |
| Shell |
N/A |
N/A |
Frame ground |
|
