Acer Extensa 4210 - Manual (Page 35)

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# Icon Item Description
1 Kensington lock
slot Connects to a Kensington-compatible
computer security lock.
2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB
mouse, USB camera).
3 Battery Powers the computer.
4 124-pin Acer
ezDock connector Connects to Acer ezDock (for selected
models).
5 Ethernet (RJ-45)
port Connects to an Ethernet 10/100/1000-
based network (for selected models).