20 E-4200 User’s Guide
Voltage selector: Sets the voltage for your area, either 115 V or 230 V.
Power Connector: Connects the computer power cord. The other end
of the power cord plugs into an AC outlet or power strip.
Mouse port: Connects a PS/2-compatible mouse.
Parallel port: Connects a printer or other parallel device.
Video port: Connects the monitor’s interface cable.
RJ-45 LAN connector: Connects a cable that connects the computer
to a network.
Serial ports: Connect serial devices, such as musical instrument
digital interface (MIDI) devices.
USB ports: Connect external Plug-and-Play devices that are
automatically configured when they are plugged into the computer
through one of these ports. Some USB devices are keyboards,
pointing devices, and monitors.
Keyboard port: Connects a Personal System/2 (PS/2) compatible
keyboard.
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