D15329.08 SX20 Administrator Guide CE9.2, NOVEMBER 2017.   www.cisco.com — Copyright © 2017 Cisco Systems, Inc. All rights reserved. 
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Cisco TelePresence SX20 Quick Set  Administrator Guide
There is a ring of LEDs encircling the power button.
Steady light: 
The codec is ready for use.
The LEDs are pulsating slowly: 
The codec is in standby mode.
The LEDs are flashing: 
The codec calls for attention, e.g. when there is 
no LAN connection.
The light from the LEDs circles clockwise:
The codec is starting up (booting), and is not yet 
ready for use.
The LEDs light red:
The camera connector is in serial mode (camera 
control is disabled).
LED indicator
Power button with 
LED indicator