General
8
Indicators (LEDs)
The indicators (LEDs) provide you with information on the different operational states
of the telephone system. The meaning of each indicator can be found in the table
below.
Name / icon
Function
LED on
LED off
Power
Operational state
Mains power on. Telephone
system ready for operation.
Flashing: Reset button pushed
Mains power off. Telephone
system off
Emergency phone at external line
1 ready for operation
L1
External line 1
Connection with ext. line 1
Flashing: Rhythm of the calling
signal
External line 1 in stand by
L2
External line Amt 2
Connection with ext. line 2
Flashing: Rhythm of the calling
signal
External line 2 in stand by
Night
Night programme active
Day programme active
Fax
Fax switch
Fax switch for external line 1
on
Fax switch for external line 1 off
Time control
Time control active
Time control deactivated
Door line intercom
Connected with door intercom
system via optional door
module TSM1
Not connected with door intercom
system
Service
Service
Data communication via
remote update
Tone detection
Saving settings