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Left-side components
Item Component Function
(1)
Power connector Connects an AC adapter.
(2)
USB ports (2) Connect optional USB devices.
(3)
RJ-45 (network) jack Connects a network cable.
NOTE: The RJ-45 (network) jack provides Gigabit Ethernet
functionality.
(4)
RJ-11 (modem) jack Connects a modem cable.
(5)
Optical drive Reads optical discs and, on select models, also writes to
optical discs.
(6)
Optical drive light On: The optical drive is being accessed.
12 Chapter 2 External component identification