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Left-side components
Item Component Function
(1) Power connector Connects an AC adapter.
(2) Power connector light
●
On: The device is running on AC power.
●
Off: The device is running on battery power.
(3) USB port Connects an optional USB device.
(4) Vent Enables airflow to cool internal components.
NOTE: The device fan starts up automatically to cool
internal components and prevent overheating. It is normal
for the internal fan to cycle on and off during routine
operation.
(5) Expansion port Connects the device to an optional docking device or an
optional expansion product.
(6) Audio-out (headphone) jack/Audio-in (microphone)
jack
Produces sound when connected to optional powered
stereo speakers, headphones, earbuds, a headset, or
television audio. Also connects an optional headset
microphone.
WARNING! To reduce the risk of personal injury, adjust
the volume before putting on headphones, earbuds, or a
headset. For additional safety information, refer to the
Regulatory, Safety and Environmental Notices.
NOTE: When a device is connected to the jack, the
device speakers are disabled.
(7) RJ-45 (network) jack Connects a network cable.
10 Chapter 2 External component identification