Installation MACH104
Release
 
07
 
07/2014
17
1.5 Display elements
After the working voltage is set up, the software starts and initializes itself. 
Afterwards, the device performs a self-test. During this process, various 
LEDs light up.
The process takes around 15 seconds.
Figure 7: MACH104 Display elements
1 - Device status display elements
2 - Port status display elements
1.5.1 Device state
These LEDs provide information about conditions which affect the operation 
of the whole device.
The following table applies to the stated device variants only:
 MACH104-20TX-FR...
The following table applies to the stated device variants only:
 MACH104-20TX-F...
 MACH104-20TX-F-4PoE...
LED Display Color Activity Meaning
P Working 
voltage
Green Lights up The working voltages 1 and 2 are on.
Yellow Lights up The working voltages 1 or 2 are on.
None The supply voltages 1 and 2 are too low.
LED Display Color Activity Meaning
P Working 
voltage
Green Lights up Operating voltage is on
None Operating voltage is too low