LED functions COMtrexx Business
The COMtrexx Business offers the following LEDs for status display:
aLED Power
bLED Status
cLED LAN link
dLED LAN activity
User guidance 
Status LED:
User prompt:
Flashes red (50/50 ms)
Pressing the Software default button is detected.
Flashes red (0,5/0,5 s)
Button Software default was pressed long enough.
Flashes orange (50/50 ms)
Pressing the Software altern. button is detected.
Flashes orange (0,5/0,5 s)
Button Software altern. was pressed long enough.
Status of the PBX 
Status LED:
Power LED:
PBX status (after restart):
Lit in red
Lit in red
The kernel is being loaded from the boot partition.
Lit in orange
Lit in red
The kernel is being initialised and the partition is checked.
Lit in green
Lit in red
The system is being initialised.
Lit in green
Lit in orange
The kernel modules are being loaded.
Lit in green
Flashes orange
The database is being initialised/converted.
Lit in green
Lit in green
The PBX is ready for operation.
Status LED:
Power LED:
PBX status (in the case of an error):
Flashes red (1/1 s)
Lit in red
No valid boot partition was found. System is paused.
Flashes orange (1/1 s)
Lit in red
No consistent kernel data has been found on either boot partition. System is paused.
*Note: If the Power LED remains constantly lit in red even after a restart, an error has occured. Please contact your dealer or the manufacturer directly.
Status LED:
Power LED:
PBX status (during powering down):
Lit in green
Flashes green
The delayed powering down has been enabled and the PBX waits for the termination of the last call.
Lit in green
Lit in red
The PBX is powered down completely.
Ethernet interface 
LAN-Link LED:
Status of the Ethernet Interface:
Off
No Ethernet connection to a computer/network exists.
Lit in green
An Ethernet connection to a computer/network exists (link).
LAN-Activity LED:
Transfer Activities on the Ethernet Interface:
Off
No transfer activity on the Ethernet interface.
Flashes orange
Packets are being transmitted.