Fujitsu LifeBook Series S-4540 Manual page 19

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Infrared communications port
Interface for carrying out infrared communications.
Critical Point
Don't bring the AC adaptor or CRT display close to the infrared communications port during
infrared communication, otherwise the computer may malfunction because of noise generated.
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mini-Serial connector (available on certain model)
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USB connector (Invalid for the Windows NT system)
Connector for connecting a peripheral equipment which meets the USB standard.
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LAN connector
Connector for connecting a LAN cable.
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CRT connector
Connector for connecting an external display, for example, a separately sold CRT monitor.
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DC-IN connector
Connector for connecting the AC adaptor that comes with this computer.
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MAIN switch
This is the switch for turning the power to the computer main unit on and off.
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Port replicator connector
Connector for connecting the port replicator.
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Expansion RAM module slot
Slot for fitting a separately sold expansion RAM module.
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Release button
Slide this release button to release the internal battery pack lock from locking status.
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Internal battery pack lock
Slide this lock to attach/detach the internal battery pack to/from this personal computer.
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Internal battery pack
The internal battery pack is mounted here.
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