Table 6. Led Conditions For An Interface Unit; Table 7. Led Conditions Of The Power Supply Unit - Nokia MetroSite Maintenance Manual

Table 6.
LED colour
Green
Yellow
Red
7.4 Power supply unit LED
The condition of the power supply unit's LED indicators are specified in Table 7.
Table 7.
LED colour
Green
Yellow
Red
Flashing yellow
7.5 Fan unit LED
The conditions for the fan unit's LED indicators are specified in Table 8.
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LED conditions for an interface unit
LED conditions of the power supply unit
Indication
OCXO operating
OCXO warming up
OCXO broken
Condition
Unit operating
1. Output voltage OK, switch on the power supply
unit is in the ON position, BTS in cold start mode
2. Power shut down signal sent from the
BSC/NMS
3. Output voltage OFF because of a detected
overtemperature
Unit broken or short circuit in one of the BTS's
units
Input voltage OK, switch the power supply unit to
the stand-by position
Draft
LED indicator conditions
49 (52)