3
Side & Bottom
1.
Kensington lock
2.
Phone-in jack
3.
Expansion microphone jack
4.
USB to PC/Mac port
5.
Power jack
6.
Ceiling mount holes
LED Indicator
Function
LED
Mute (
)
-
Unmute:
blue
-
Mute:
red
Phone in (
)
-
Off
:
not tie in phone in device
-
On:
tie in phone in device