5.Connect the other end of the cable to the printer. If the printer interface has retaining clips, squeeze them gently until they snap into place.

6.Connect the printer's power cable to a grounded electrical socket.

Connecting a Serial Device

You can use the COM1 port to connect a serial device. such as a serial printer or plotter. You could also connect a modem or pointing device, such as a trackball or mouse.

Follow these steps to connect a serial device:1.Make sure both the computer and the serial device are off.2.Connect the serial cable to the COM1 port.

3.If the connector has retaining screws, tighten them by hand or with a screwdriver.

4-6Connecting Optional Devices