4-4
Expanding Your Computer
Connecting a Serial Device
Your computer has two serial ports for connecting a serial device.
Follow this procedure to connect a serial device:
1.
Turn off the computer.
2.
Plug the device cable to the serial port on the rear of the computer.
3.
Turn on the computer.
NOTE:
Portable modems that derive power through the serial port cannot
be used with the computer. Instead, use a modem that is powered by its
own internal battery or external AC power.
COM2
COM1
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