Reference Manual

Table Of Contents
Operation and Maintenance Support
Preconditions and Initiation
Applicable for any operational condition. The function is initiated by
the HW when the RU is started.
Description
The DC Disconnect indicator indicates if the DC is working properly or
not. If the environmental requirements are not fullled, the power to the
rest of the RBS is switched off. The DC Disconnect indicator is
controlled from the Climate protection functionality and from Restart
and Recovery functionality. When the RU is reset in any way the
handling of the indicator is terminated.
Colour: Yellow
Position: EDMRU (ECU)
States of the indicator
ON: The environmental requirements are not
fullled and thus the power to the rest of
the RBS is switched off.
OFF The environmental requirements are
fullled.
38.20 Battery Mode Indicator
Purpose
To indicate if the RBS is running on battery backup.
Preconditions and Initiation
Applicable for any operational condition. The function is initiated by
the HW when the RU is started.
Description
The Battery Mode indicator indicates if the RBS is running on mains
power supply or battery backup. The Battery Mode indicator is
controlled from Power Supply functionality and from Restart and
Recovery functionality. When the RU is reset in any way the handling
of the indicator is terminated.
Colour: Yellow
Position: EDMRU (ECU)
States of the indicator
ON: Battery power supply fully or partly used.
OFF Mains power supply. No battery power is
used.
EN/LZT 720 0008 R1A
2001-06-26
297 (421)
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