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.
Pin
Signal
1
DCD
2
RXDA
3
TXDA
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Shell
N/A
Parallel Connector
Use the 25-hole parallel connector to attach a parallel device to the computer. The parallel connector is used primarily for printers. The parallel connector