User guide

8
Cisco TelePresence System Codec C90 Physical interface guide
D14644.03 Codec C90 Physical Interface Guide TC4.1, February 2011.
© 2010-2011 Cisco Systems, Inc. All rights reserved.
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The front panel
There are four LED’s in the front of the Codec:
• Power – The POWER LED turns ON when power is
connected, otherwise OFF
• Call – The CALL LED turns ON when there are active calls
on the codec, otherwise OFF
• Infrared – The IR LED ashes when infrared signals are
received
• Alarm – The ALARM LED turns ON when there is no
connection to the network, otherwise OFF
Power Call IR Alarm
(infrared)
Contents
Contact us
Introduction
The physical interface
Connecting to the codec
The physical interface