13 | Diagnostics
STOBER
178
02/2019 | ID 442728.05
13.2.4
Service network connection
The LEDs at X9 on the front of the device display the state of the service network connection.
2
1
Fig. 39: LEDs for the state of the service network connection
1
Green: Link
2
Yellow: Activity
Green LED
Behavior
Description
Off
No network connection
On
Network connection present
Tab. 179: Meaning of the green LED (link)
Yellow LED
Behavior
Description
Off
No network connection
Flashing
Individual data packets are sent or received
On
Active data exchange
Tab. 180: Meaning of the yellow LED (act.)