User's Manual

UM-0840 28
Table 2
Indicator Panel
LED indication description
Unit is not powered or fail in power supply
Normal state: Unit is powered on
Normal state
HW fail: digital signal processor is not detected
Temperature: very high internal Unit temperature
Optical fiber alarm in at least one link
Normal state
PA Overflow or excessive temperature alarm.
PA Underflow: PA output level is lower than +25dBm
Normal state
Where:
Led OFF
Led slow blinking with period of 2 seconds aprox. WARNING
Led fast blinking with period of 0.5 seconds aprox. ALARM
Led ON
4.4 Laboratory Measurements
For specific parameters verification and laboratory tests, please contact factory.
Detailed procedures, recommended tests set up, and a knowledge engineering team will bring adequate
support to perform this measurements in a comfortable and safely way.