Siemens ST950 Plus+ User Manual page 79

ST950 Plus+ User Manual
LED Illumination
Run (Blue) Slow Flash
Off
Comms On
(Blue)
(Flashing rapidly)
On
(Flashing slowly)
Off
Fault (Red)
On
Off
4.2.7 Parts
Plus+ RAG Node PCB Assembly 667/1/53111/001
ST950 Plus+ User Manual
Figure 42 : RAG Node Status LEDs
Function
Software is operating normally (typically flashing once per second)
The node has detected a persistent fatal error and has entered a non-
operational state to prevent continual restarts (with Comms LED off
and Fault LED illuminated).
Indicates that normal communications to the CIC is occurring
Indicates abnormal communications e.g. one of the D+/D- pair is not
connected. Please fix and power cycle the node.
No relevant messages received in the last second (implies loss of
communications)
Fault is registered. The fault could be either internal or external e.g.
from LED Aspect.
Normal and correct operation
Table 13 : RAG Node LED Indicators
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667/HE/53000/000
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