Rear View - ATEN US221A User Manual

Rear View

No. Component
1 Lock LED
2 Port Selection
Pushbutton(s)
3 Port Selected
LEDs
4 Beeper On/Off
Switch (on side)
5 USB Type B
Computer Port
6 USB Type A
Peripheral Port
5
6
5
6
Lights orange to show that the US221A /
US421A is locked.
Pressing a Port Selection Pushbutton brings
control to the computer attached to its
corresponding port. See Manual Operation –
Pushbutton, page 13 for further details.
Lights green to show that the computer
attached to its corresponding port has control.
Use this recessed switch to turn the US221A /
US421A's beeper on or off.
Your computers plug into these ports. See
Installation, page 11 for further details.
Your USB 2.0 peripheral device plugs into this
port.
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Description