Advantech IPPC-9151 Series user manual Serial COM ports, USB ports, Audio Interface

2.1.4 Serial COM ports

There are two serial COM ports on the bottom of the rear cover. You can easily attach a serial device to the panel PC, such as an external modem or mouse. Follow these instructions:

1.Make sure the panel PC and any other peripherial devices you may have connected to the panel PC are turned off.

2.Attach the interface cable of the serial device to the panel PC's serial port. (See Fig. 2-2.) If necessary, attach the other end of the interface cable to your serial device. Fasten any retaining screws.

3.Turn on any other peripheral devices you may have connected to the panel PC, and then turn on the panel PC.

4.Refer to the manual(s) which accompanied your serial device(s) for instructions on configuring your operating environment to recognize the device(s).

5.Run the BIOS setup program to set the I/O address and IRQ, and con- figure the jumper settings to change the mode of the COM ports (refer to section 3.3).

2.1.5 USB ports

An external USB device may be connected to the system via the 4-pin USB ports located on the rear side of the system unit.

1.Connect the external device to the system.

2.The USB ports support hot plug-in connection. You should install the device driver before you use the device.

2.1.6 Audio Interface

The audio interface includes three jacks: microphone-in, line-out and line-in. Their functions are:

Microphone-in:Use an external microphone to record voice and sound.

Line-out:Output audio to external devices such as speakers or earphones. The built-in speaker will not be disabled when the line-out jack is con- nected to external audio devices.

Line-in:Input audio from an external CD player or radio.

1.Connect the audio device to the system.

2.Install the driver before you use the device.

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