Rs232 Serial Port - Dell Inspiron 545 MT User Manual

Dell inspiron 545 mt: user guide
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RS232 Serial Port

A serial port is a serial communication physical interface through which
information transfers in or out one bit at a time. Serial port is usually
identified with RS-232 standard compliant hardware. Some of the devices
that commonly use serial port are dial-up modems, printers, and serial mice.
Pin
Signal
1
CD
2
RD
3
TD
4
DTR
5
SG
6
DSR
7
RTS
8
CTS
9
RI
315
Ports

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