ABB FOX61 Series, User Manual, Page: 27 / 52

O P E R A T I O N A N D M A I N T E N A N C E
FOX61x

LEDE1 27
7 Operation and maintenance
This section gives an overview of operational and maintenance aspects of
the LEDE1 unit. You will find the following information:
• Description of the optical indicators found on the LEDE1 unit front (sec-
tion "Unit optical indicators" (page 27) ).
• Diagnostic loop availability and handling (section "Loops" (page 28) ).
• Generic maintenance functions of the unit (section "Maintenance"
(page 29) ).
Please note:
The operation functions described in this section assume a correctly config-
ured and operational LEDE1 unit.
7.1 Unit optical indicators
LEDs on the front of the LEDE1 unit are used to indicate to the user the
alarm status summary of the unit and of the network traffic signals.
Figure 7: Fault indication LEDs on the LEDE1 unit
XXXXx R1B
ANR_37900374
UNIT TRAFFIC
Table 6: LED signalling on LEDE1
LED name Colour State Meaning
UNIT Red Failure Unit is not in service.
The unit is not able to provide the requested function due to
- equipment failure (total breakdown),
- mismatch of HW and SW.
Recovery from this error situation is done usually by replacement
of unit HW or ESW.
Green / Red
(blinking 1 Hz) Booting or
waiting Unit has not been taken in service yet or the unit has not been pro-
visioned.
Recovery from this situation is done by taking this unit into service
with FOXCST.
Green Running Unit is up and running, it is ready to provide the required service.
Off Failure System is not powered or outage of power supply on unit or outage
of LED.