Installation RSP 20/25/30/35
Release
 
15
 
12/2017
27
1.6 Display elements
After the supply voltage is set up, the software starts and initializes itself. 
Afterwards, the device performs a self-test. During this process, various 
LEDs light up.
1.6.1 Device state
These LEDs provide information about conditions which affect the operation 
of the whole device.
Applies to software releases before 02.0.00:
LED Display Color Activity Meaning
Power Supply voltage — none Supply voltage is too low
yellow Lights up Device variants with redundant power 
supply:
Supply voltage 1 or 2 is on
flashes 4 times 
a period
Software update is running. Maintain the 
power supply.
green Lights up Device variants with redundant power 
supply:
Supply voltages 1 and 2 are on
Device variants with single power supply:
Supply voltage is on
RM Ring Manager — none No redundancy configured
green Lights up Redundancy exists
Flashes 1 time 
a period
Device is reporting an incorrect 
configuration of the RM function
yellow Lights up No redundancy exists
ACA Storage medium
ACA31
— none ACA storage medium not connected
green Lights up ACA storage medium connected
Flashes 3 
times a period
Device writes to/reads from the storage 
medium
yellow Lights up ACA storage medium inoperative
LED Display Color Activity Meaning
Status Device Status — none Device is starting and/or is not ready for 
operation
green Lights up Device is ready for operation.
Characteristics can be configured
red Lights up Device is inoperative
Flashes 1 time 
a period
The boot parameters used when the 
device has been started differ from the 
boot parameters saved.
Start the device again.
Status
RM
ACA
Power