TANDBERG Codian HD MCU 4500 Series - Manual (Page 6)

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LED behavior
Table 1 describes the behavior of the LEDs.
Table 1: MCU LED behavior
LED Color Indicates
Compact Flash Activity Flashing
green One of:

the MCU is booting

a configuration change has been made

the configuration is being transferred
by FTP
Console Link Green A PC is connected to the console port
Status Green The MCU is operating normally
Alarm Red The MCU is booting or has developed a
fault, for example:

temperature is outside normal limits

fan failure

battery failure of the internal clock
Refer to the web interface for more
information about the problem (go to
Status > Health
)
System Load Green The MCU is processing conference data.
The LEDs represent the media processing
load of the MCU. The column numbered
1 represents audio load. The other
columns represent video DSP load. Media
processing load is also displayed in the web
interface: go to
Status > General