Ports and connector pin-outs, Port locations, Serial connector – Dell Inspiron 4100 User Manual
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Ports and Connector Pin-Outs
Dell™ Inspiron™ 4100
Port Locations
Serial Connector
Use the 9-pin serial connector to attach a serial device to the computer. The serial connector passes data in serial format (1 bit at a time over one line). This
connector supports a variety of devices, including a serial mouse, that require serial data transmission. If you reconfigure your hardware, you may need pin
number and signal information for the serial connector.
1 air intake
6 PS/2 connector
2 serial connector
7 USB connector
3 parallel connector 8 video connector
4 docking connector 9 AC adapter connector
5 air vent
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